ubuntu-25.04-5.3_opam-2.4

2025-08-07 14:43.11: New job: test ahrefs/ocannl https://github.com/ahrefs/ocannl.git#refs/heads/master (24f71f9658d5123fe0e0dd740cc82a1f80bd45da) (linux-x86_64:ubuntu-25.04-5.3_opam-2.4)
Base: ocaml/opam:ubuntu-25.04-ocaml-5.3@sha256:124a52160e4ea699e59a91d7f5e2e8443befd060c18b27eb6007f855adc30d93
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ahrefs/ocannl.git" -b "master" && cd "ocannl" && git reset --hard 24f71f96
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-25.04-ocaml-5.3@sha256:124a52160e4ea699e59a91d7f5e2e8443befd060c18b27eb6007f855adc30d93
# ubuntu-25.04-5.3_opam-2.4
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam
RUN opam init --reinit -ni
RUN uname -rs && opam exec -- ocaml -version && opam --version
WORKDIR /src
RUN sudo chown opam /src
RUN cd ~/opam-repository && (git cat-file -e e77940d8ff8706305602d0d643bf01c77beef2e7 || git fetch origin master) && git reset -q --hard e77940d8ff8706305602d0d643bf01c77beef2e7 && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 neural_nets_lib.opam arrayjit.opam ./
RUN opam pin add -yn neural_nets_lib.dev './' && \
opam pin add -yn arrayjit.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="angstrom.0.16.1 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0 camlp-streams.5.0.1 camlzip.1.13 cmdliner.1.3.0 conf-libcurl.2 conf-libffi.2.0.0 conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 csv.2.4 ctypes.0.23.0 ctypes-foreign.0.23.0 curl.0.10.0 dune.3.19.1 dune-configurator.3.19.1 dune-private-libs.3.19.1 dune-site.3.19.1 dyn.3.19.1 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ordering.3.19.1 parsexp.v0.17.0 pp.2.0.0 pprint.20230830 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_fields_conv.v0.17.0 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_minidebug.2.3.0 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppx_string.v0.17.0 ppx_variants_conv.v0.17.1 ppxlib.0.36.0 ppxlib_jane.v0.17.4 printbox.0.12 printbox-ext-plot.0.12 printbox-html.0.12 printbox-md.0.12 printbox-text.0.12 ptime.1.2.0 re.1.13.2 result.1.5 saturn_lockfree.0.5.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 stdune.3.19.1 thread-local-storage.0.2 time_now.v0.17.0 topkg.1.1.0 tyxml.4.6.0 uucp.16.0.0 uutf.1.0.4 variantslib.v0.17.0"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.4 --depext-only -y neural_nets_lib.dev arrayjit.dev $DEPS
RUN opam install $DEPS
COPY --chown=1000:1000 . /src
RUN opam exec -- dune build @install @check @runtest && rm -rf _build


END-OF-DOCKERFILE
docker build .
END-REPRO-BLOCK


2025-08-07 14:43.11: Using cache hint "ahrefs/ocannl-ocaml/opam:ubuntu-25.04-ocaml-5.3@sha256:124a52160e4ea699e59a91d7f5e2e8443befd060c18b27eb6007f855adc30d93-ubuntu-25.04-5.3_opam-2.4-83f2c92a8149933d384aef7c4711fb31"
2025-08-07 14:43.11: Using OBuilder spec:
((from ocaml/opam:ubuntu-25.04-ocaml-5.3@sha256:124a52160e4ea699e59a91d7f5e2e8443befd060c18b27eb6007f855adc30d93)
(comment ubuntu-25.04-5.3_opam-2.4)
(user (uid 1000) (gid 1000))
(env CLICOLOR_FORCE 1)
(env OPAMCOLOR always)
(workdir /src)
(run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))
(run (shell "opam init --reinit -ni"))
(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
(workdir /src)
(run (shell "sudo chown opam /src"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e e77940d8ff8706305602d0d643bf01c77beef2e7 || git fetch origin master) && git reset -q --hard e77940d8ff8706305602d0d643bf01c77beef2e7 && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src neural_nets_lib.opam arrayjit.opam) (dst ./))
(run (network host)
(shell  "opam pin add -yn neural_nets_lib.dev './' && \
\nopam pin add -yn arrayjit.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "angstrom.0.16.1 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0 camlp-streams.5.0.1 camlzip.1.13 cmdliner.1.3.0 conf-libcurl.2 conf-libffi.2.0.0 conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 csv.2.4 ctypes.0.23.0 ctypes-foreign.0.23.0 curl.0.10.0 dune.3.19.1 dune-configurator.3.19.1 dune-private-libs.3.19.1 dune-site.3.19.1 dyn.3.19.1 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ordering.3.19.1 parsexp.v0.17.0 pp.2.0.0 pprint.20230830 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_fields_conv.v0.17.0 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_minidebug.2.3.0 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppx_string.v0.17.0 ppx_variants_conv.v0.17.1 ppxlib.0.36.0 ppxlib_jane.v0.17.4 printbox.0.12 printbox-ext-plot.0.12 printbox-html.0.12 printbox-md.0.12 printbox-text.0.12 ptime.1.2.0 re.1.13.2 result.1.5 saturn_lockfree.0.5.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 stdune.3.19.1 thread-local-storage.0.2 time_now.v0.17.0 topkg.1.1.0 tyxml.4.6.0 uucp.16.0.0 uutf.1.0.4 variantslib.v0.17.0")
(env CI true)
(env OCAMLCI true)
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam update --depexts && opam install --cli=2.4 --depext-only -y neural_nets_lib.dev arrayjit.dev $DEPS"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
(copy (src .) (dst /src))
(run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
)


2025-08-07 14:43.11: Waiting for resource in pool OCluster
2025-08-07 14:43.11: Waiting for worker…
2025-08-07 14:43.11: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
HEAD is now at 9cd1261d Incorporate let-binding identifier in `%cd` names; fix handling of syntactic functions
HEAD is now at 24f71f96 `disable_rootness_check` is going awaaaay


(from ocaml/opam:ubuntu-25.04-ocaml-5.3@sha256:124a52160e4ea699e59a91d7f5e2e8443befd060c18b27eb6007f855adc30d93)
2025-08-07 14:43.12 ---> using "d30519b4acdd57742b165f681c15a599aecbfb24619a803ce0d60757b34b2167" from cache


/: (comment ubuntu-25.04-5.3_opam-2.4)


/: (user (uid 1000) (gid 1000))


/: (env CLICOLOR_FORCE 1)


/: (env OPAMCOLOR always)


/: (workdir /src)


/src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))
2025-08-07 14:43.12 ---> using "f246f4986611cfad265009a42a8a72d8438f00b872c9afcda05da64805d1beae" from cache


/src: (run (shell "opam init --reinit -ni"))
Configuring from /home/opam/.opamrc and then from built-in defaults.
Checking for available remotes: rsync and local, git.
- you won't be able to use mercurial repositories unless you install the hg command on your system.
- you won't be able to use darcs repositories unless you install the darcs command on your system.


This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.
You may want to back it up before going further.


Continue? [Y/n] y
Format upgrade done.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-08-07 14:43.12 ---> using "1fbf02475475c348bd88f5d066d3fe619ade5b4a8db6c274116d5ef338e91925" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 5.15.0-134-generic
The OCaml toplevel, version 5.3.0
2.4.1
2025-08-07 14:43.12 ---> using "e907eaf9f29c835755a2fe7116a0f8cae47cfe00d485f386f422668b72dfcb60" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-08-07 14:43.12 ---> using "03e37adb747b7c9a784a95a214bcb087341bc9513415faa991b59cd13889a2ce" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e e77940d8ff8706305602d0d643bf01c77beef2e7 || git fetch origin master) && git reset -q --hard e77940d8ff8706305602d0d643bf01c77beef2e7 && git log --no-decorate -n1 --oneline && opam update -u"))
e77940d8ff Merge pull request #28255 from dbuenzli/b0-publish-fmt.0.11.0


<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] synchronised from git+file:///home/opam/opam-repository


Already up-to-date.
Nothing to do.
# To update the current shell environment, run: eval $(opam env)
2025-08-07 14:43.12 ---> using "afe06332cd1057d133b790851c1984a10e017e5c6e3a6323f73c83eab4303fa1" from cache


/src: (copy (src neural_nets_lib.opam arrayjit.opam) (dst ./))
2025-08-07 14:43.12 ---> using "838fde09198ce83d9a24fd3e4c861454b32c85a7a055ce6c2e024745a28b9e24" from cache


/src: (run (network host)
(shell  "opam pin add -yn neural_nets_lib.dev './' && \
\nopam pin add -yn arrayjit.dev './'"))
[neural_nets_lib.dev] synchronised (file:///src)
neural_nets_lib is now pinned to file:///src (version dev)
[arrayjit.dev] synchronised (file:///src)
arrayjit is now pinned to file:///src (version dev)
2025-08-07 14:43.12 ---> using "bc8f8c3f8527157191c9e37de4e408550ac336ed7d49b72a95c090368ddf3394" from cache


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-08-07 14:43.12 ---> using "a3ea90689f887b738b1f39f36dc632ab88d397eaecdbad468a0dae7af3f8486c" from cache


/src: (env DEPS "angstrom.0.16.1 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0 camlp-streams.5.0.1 camlzip.1.13 cmdliner.1.3.0 conf-libcurl.2 conf-libffi.2.0.0 conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 csv.2.4 ctypes.0.23.0 ctypes-foreign.0.23.0 curl.0.10.0 dune.3.19.1 dune-configurator.3.19.1 dune-private-libs.3.19.1 dune-site.3.19.1 dyn.3.19.1 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ordering.3.19.1 parsexp.v0.17.0 pp.2.0.0 pprint.20230830 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_fields_conv.v0.17.0 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_minidebug.2.3.0 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppx_string.v0.17.0 ppx_variants_conv.v0.17.1 ppxlib.0.36.0 ppxlib_jane.v0.17.4 printbox.0.12 printbox-ext-plot.0.12 printbox-html.0.12 printbox-md.0.12 printbox-text.0.12 ptime.1.2.0 re.1.13.2 result.1.5 saturn_lockfree.0.5.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 stdune.3.19.1 thread-local-storage.0.2 time_now.v0.17.0 topkg.1.1.0 tyxml.4.6.0 uucp.16.0.0 uutf.1.0.4 variantslib.v0.17.0")


/src: (env CI true)


/src: (env OCAMLCI true)


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam update --depexts && opam install --cli=2.4 --depext-only -y neural_nets_lib.dev arrayjit.dev $DEPS"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://archive.ubuntu.com/ubuntu plucky InRelease
- Get:2 http://security.ubuntu.com/ubuntu plucky-security InRelease [126 kB]
- Get:3 http://archive.ubuntu.com/ubuntu plucky-updates InRelease [126 kB]
- Get:4 http://security.ubuntu.com/ubuntu plucky-security/restricted amd64 Packages [163 kB]
- Get:5 http://archive.ubuntu.com/ubuntu plucky-backports InRelease [126 kB]
- Get:6 http://security.ubuntu.com/ubuntu plucky-security/main amd64 Packages [217 kB]
- Get:7 http://security.ubuntu.com/ubuntu plucky-security/universe amd64 Packages [129 kB]
- Get:8 http://archive.ubuntu.com/ubuntu plucky-updates/universe amd64 Packages [233 kB]
- Get:9 http://archive.ubuntu.com/ubuntu plucky-updates/restricted amd64 Packages [181 kB]
- Get:10 http://archive.ubuntu.com/ubuntu plucky-updates/main amd64 Packages [335 kB]
- Fetched 1636 kB in 1s (1526 kB/s)
- Reading package lists...
- 


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[arrayjit.dev] synchronised (file:///src)
[neural_nets_lib.dev] synchronised (file:///src)


[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).
[NOTE] Package ocaml-config is already installed (current version is 3).
[NOTE] Package ocaml-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml is already installed (current version is 5.3.0).
[NOTE] Package base-unix is already installed (current version is base).
[NOTE] Package base-threads is already installed (current version is base).
[NOTE] Package base-nnp is already installed (current version is base).
[NOTE] Package base-effects is already installed (current version is base).
[NOTE] Package base-domains is already installed (current version is base).
[NOTE] Package base-bigarray is already installed (current version is base).


The following system packages will first need to be installed:
libcurl4-gnutls-dev libffi-dev pkg-config zlib1g-dev


<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>


+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libcurl4-gnutls-dev" "libffi-dev" "pkg-config" "zlib1g-dev"
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- Unpacking libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-3ubuntu1) ...
- Selecting previously unselected package libgmp-dev:amd64.
- Preparing to unpack .../15-libgmp-dev_2%3a6.3.0+dfsg-3ubuntu1_amd64.deb ...
- Unpacking libgmp-dev:amd64 (2:6.3.0+dfsg-3ubuntu1) ...
- Selecting previously unselected package nettle-dev:amd64.
- Preparing to unpack .../16-nettle-dev_3.10.1-1_amd64.deb ...
- Unpacking nettle-dev:amd64 (3.10.1-1) ...
- Selecting previously unselected package libgnutls28-dev:amd64.
- Preparing to unpack .../17-libgnutls28-dev_3.8.9-2ubuntu3.1_amd64.deb ...
- Unpacking libgnutls28-dev:amd64 (3.8.9-2ubuntu3.1) ...
- Selecting previously unselected package libkrb5-dev:amd64.
- Preparing to unpack .../18-libkrb5-dev_1.21.3-4ubuntu2_amd64.deb ...
- Unpacking libkrb5-dev:amd64 (1.21.3-4ubuntu2) ...
- Selecting previously unselected package libldap-dev:amd64.
- Preparing to unpack .../19-libldap-dev_2.6.9+dfsg-2ubuntu1_amd64.deb ...
- Unpacking libldap-dev:amd64 (2.6.9+dfsg-2ubuntu1) ...
- Selecting previously unselected package libpkgconf3:amd64.
- Preparing to unpack .../20-libpkgconf3_1.8.1-4_amd64.deb ...
- Unpacking libpkgconf3:amd64 (1.8.1-4) ...
- Selecting previously unselected package pkgconf-bin.
- Preparing to unpack .../21-pkgconf-bin_1.8.1-4_amd64.deb ...
- Unpacking pkgconf-bin (1.8.1-4) ...
- Selecting previously unselected package pkgconf:amd64.
- Preparing to unpack .../22-pkgconf_1.8.1-4_amd64.deb ...
- Unpacking pkgconf:amd64 (1.8.1-4) ...
- Selecting previously unselected package libnghttp2-dev:amd64.
- Preparing to unpack .../23-libnghttp2-dev_1.64.0-1ubuntu1_amd64.deb ...
- Unpacking libnghttp2-dev:amd64 (1.64.0-1ubuntu1) ...
- Selecting previously unselected package libpsl-dev:amd64.
- Preparing to unpack .../24-libpsl-dev_0.21.2-1.1build1_amd64.deb ...
- Unpacking libpsl-dev:amd64 (0.21.2-1.1build1) ...
- Selecting previously unselected package zlib1g-dev:amd64.
- Preparing to unpack .../25-zlib1g-dev_1%3a1.3.dfsg+really1.3.1-1ubuntu1_amd64.deb ...
- Unpacking zlib1g-dev:amd64 (1:1.3.dfsg+really1.3.1-1ubuntu1) ...
- Selecting previously unselected package librtmp-dev:amd64.
- Preparing to unpack .../26-librtmp-dev_2.4+20151223.gitfa8646d.1-2build7_amd64.deb ...
- Unpacking librtmp-dev:amd64 (2.4+20151223.gitfa8646d.1-2build7) ...
- Selecting previously unselected package libssl-dev:amd64.
- Preparing to unpack .../27-libssl-dev_3.4.1-1ubuntu3_amd64.deb ...
- Unpacking libssl-dev:amd64 (3.4.1-1ubuntu3) ...
- Selecting previously unselected package libssh2-1-dev:amd64.
- Preparing to unpack .../28-libssh2-1-dev_1.11.1-1_amd64.deb ...
- Unpacking libssh2-1-dev:amd64 (1.11.1-1) ...
- Selecting previously unselected package libcurl4-gnutls-dev:amd64.
- Preparing to unpack .../29-libcurl4-gnutls-dev_8.12.1-3ubuntu1_amd64.deb ...
- Unpacking libcurl4-gnutls-dev:amd64 (8.12.1-3ubuntu1) ...
- Selecting previously unselected package pkg-config:amd64.
- Preparing to unpack .../30-pkg-config_1.8.1-4_amd64.deb ...
- Unpacking pkg-config:amd64 (1.8.1-4) ...
- Selecting previously unselected package libffi-dev:amd64.
- Preparing to unpack .../31-libffi-dev_3.4.7-1_amd64.deb ...
- Unpacking libffi-dev:amd64 (3.4.7-1) ...
- Selecting previously unselected package libtasn1-doc.
- Preparing to unpack .../32-libtasn1-doc_4.20.0-2_all.deb ...
- Unpacking libtasn1-doc (4.20.0-2) ...
- Setting up libgnutls-openssl27t64:amd64 (3.8.9-2ubuntu3.1) ...
- Setting up libtasn1-doc (4.20.0-2) ...
- Setting up libevent-2.1-7t64:amd64 (2.1.12-stable-10) ...
- Setting up libffi-dev:amd64 (3.4.7-1) ...
- Setting up libpsl-dev:amd64 (0.21.2-1.1build1) ...
- Setting up libunbound8:amd64 (1.22.0-1ubuntu1.1) ...
- Setting up libpkgconf3:amd64 (1.8.1-4) ...
- Setting up libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-3ubuntu1) ...
- Setting up libgnutls-dane0t64:amd64 (3.8.9-2ubuntu3.1) ...
- Setting up libgssrpc4t64:amd64 (1.21.3-4ubuntu2) ...
- Setting up libldap-dev:amd64 (2.6.9+dfsg-2ubuntu1) ...
- Setting up comerr-dev:amd64 (2.1-1.47.2-1ubuntu1) ...
- Setting up libssl-dev:amd64 (3.4.1-1ubuntu3) ...
- Setting up pkgconf-bin (1.8.1-4) ...
- Setting up libidn2-dev:amd64 (2.3.8-2) ...
- Setting up zlib1g-dev:amd64 (1:1.3.dfsg+really1.3.1-1ubuntu1) ...
- Setting up libtasn1-6-dev:amd64 (4.20.0-2) ...
- Setting up libbrotli-dev:amd64 (1.1.0-2build4) ...
- Setting up libp11-kit-dev:amd64 (0.25.5-2ubuntu3) ...
- Setting up libkadm5clnt-mit12:amd64 (1.21.3-4ubuntu2) ...
- Setting up libgmp-dev:amd64 (2:6.3.0+dfsg-3ubuntu1) ...
- Setting up nettle-dev:amd64 (3.10.1-1) ...
- Setting up libkdb5-10t64:amd64 (1.21.3-4ubuntu2) ...
- Setting up pkgconf:amd64 (1.8.1-4) ...
- Setting up pkg-config:amd64 (1.8.1-4) ...
- Setting up libssh2-1-dev:amd64 (1.11.1-1) ...
- Setting up libkadm5srv-mit12:amd64 (1.21.3-4ubuntu2) ...
- Setting up krb5-multidev:amd64 (1.21.3-4ubuntu2) ...
- Setting up libgnutls28-dev:amd64 (3.8.9-2ubuntu3.1) ...
- Setting up libnghttp2-dev:amd64 (1.64.0-1ubuntu1) ...
- Setting up libkrb5-dev:amd64 (1.21.3-4ubuntu2) ...
- Setting up librtmp-dev:amd64 (2.4+20151223.gitfa8646d.1-2build7) ...
- Setting up libcurl4-gnutls-dev:amd64 (8.12.1-3ubuntu1) ...
- Processing triggers for libc-bin (2.41-6ubuntu1.1) ...
2025-08-07 14:43.12 ---> using "a48755ca9455402eda866262ec8042a0f02fb255a1a90e7e44dc3efe6555d38a" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).
[NOTE] Package ocaml-config is already installed (current version is 3).
[NOTE] Package ocaml-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml is already installed (current version is 5.3.0).
[NOTE] Package base-unix is already installed (current version is base).
[NOTE] Package base-threads is already installed (current version is base).
[NOTE] Package base-nnp is already installed (current version is base).
[NOTE] Package base-effects is already installed (current version is base).
[NOTE] Package base-domains is already installed (current version is base).
[NOTE] Package base-bigarray is already installed (current version is base).
The following actions will be performed:
=== install 87 packages
- install angstrom                0.16.1
- install astring                 0.8.5
- install backoff                 0.1.1
- install base                    v0.17.3
- install base-bytes              base
- install bigarray-compat         1.1.0
- install bigstringaf             0.10.0
- install camlp-streams           5.0.1
- install camlzip                 1.13
- install cmdliner                1.3.0
- install conf-libcurl            2
- install conf-libffi             2.0.0
- install conf-pkg-config         4
- install conf-zlib               1
- install cppo                    1.8.0
- install csexp                   1.5.2
- install csv                     2.4
- install ctypes                  0.23.0
- install ctypes-foreign          0.23.0
- install curl                    0.10.0
- install dune                    3.19.1
- install dune-configurator       3.19.1
- install dune-private-libs       3.19.1
- install dune-site               3.19.1
- install dyn                     3.19.1
- install fieldslib               v0.17.0
- install fmt                     0.11.0
- install integers                0.7.0
- install jane-street-headers     v0.17.0
- install jst-config              v0.17.0
- install logs                    0.9.0
- install mdx                     2.5.0
- install mtime                   2.1.0
- install multicore-magic         2.3.1
- install num                     1.6
- install ocaml-compiler-libs     v0.17.0
- install ocaml-syntax-shims      1.0.0
- install ocaml-version           4.0.1
- install ocaml_intrinsics_kernel v0.17.1
- install ocamlbuild              0.16.1
- install ocamlfind               1.9.8
- install ordering                3.19.1
- install parsexp                 v0.17.0
- install pp                      2.0.0
- install pprint                  20230830
- install ppx_assert              v0.17.0
- install ppx_base                v0.17.0
- install ppx_cold                v0.17.0
- install ppx_compare             v0.17.0
- install ppx_derivers            1.2.1
- install ppx_deriving            6.1.1
- install ppx_enumerate           v0.17.0
- install ppx_expect              v0.17.3
- install ppx_fields_conv         v0.17.0
- install ppx_globalize           v0.17.2
- install ppx_hash                v0.17.0
- install ppx_here                v0.17.0
- install ppx_inline_test         v0.17.1
- install ppx_minidebug           2.3.0
- install ppx_optcomp             v0.17.1
- install ppx_sexp_conv           v0.17.1
- install ppx_string              v0.17.0
- install ppx_variants_conv       v0.17.1
- install ppxlib                  0.36.0
- install ppxlib_jane             v0.17.4
- install printbox                0.12
- install printbox-ext-plot       0.12
- install printbox-html           0.12
- install printbox-md             0.12
- install printbox-text           0.12
- install ptime                   1.2.0
- install re                      1.13.2
- install result                  1.5
- install saturn_lockfree         0.5.0
- install seq                     base
- install sexplib                 v0.17.0
- install sexplib0                v0.17.0
- install stdio                   v0.17.0
- install stdlib-shims            0.3.0
- install stdune                  3.19.1
- install thread-local-storage    0.2
- install time_now                v0.17.0
- install topkg                   1.1.0
- install tyxml                   4.6.0
- install uucp                    16.0.0
- install uutf                    1.0.4
- install variantslib             v0.17.0


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved angstrom.0.16.1  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved backoff.0.1.1  (cached)
-> retrieved bigarray-compat.1.1.0  (cached)
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved base.v0.17.3  (cached)
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved camlzip.1.13  (cached)
-> retrieved cmdliner.1.3.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> installed conf-libcurl.2
-> installed conf-pkg-config.4
-> retrieved csexp.1.5.2  (cached)
-> retrieved csv.2.4  (cached)
-> retrieved ctypes.0.23.0, ctypes-foreign.0.23.0  (cached)
-> installed conf-libffi.2.0.0
-> installed conf-zlib.1
-> retrieved curl.0.10.0  (cached)
-> retrieved fieldslib.v0.17.0  (cached)
-> retrieved integers.0.7.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved jane-street-headers.v0.17.0  (cached)
-> retrieved jst-config.v0.17.0  (cached)
-> retrieved logs.0.9.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved multicore-magic.2.3.1  (cached)
-> retrieved mdx.2.5.0  (cached)
-> retrieved num.1.6  (cached)
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved ocaml-syntax-shims.1.0.0  (cached)
-> retrieved ocaml-version.4.0.1  (cached)
-> retrieved ocaml_intrinsics_kernel.v0.17.1  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved parsexp.v0.17.0  (cached)
-> retrieved pp.2.0.0  (cached)
-> retrieved pprint.20230830  (cached)
-> retrieved ppx_assert.v0.17.0  (cached)
-> retrieved ppx_base.v0.17.0  (cached)
-> retrieved ppx_cold.v0.17.0  (cached)
-> retrieved ppx_compare.v0.17.0  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppx_deriving.6.1.1  (cached)
-> retrieved ppx_enumerate.v0.17.0  (cached)
-> retrieved ppx_fields_conv.v0.17.0  (cached)
-> retrieved ppx_expect.v0.17.3  (cached)
-> retrieved ppx_globalize.v0.17.2  (cached)
-> retrieved dune.3.19.1, dune-configurator.3.19.1, dune-private-libs.3.19.1, dune-site.3.19.1, dyn.3.19.1, ordering.3.19.1, stdune.3.19.1  (cached)
-> retrieved ppx_hash.v0.17.0  (cached)
-> retrieved ppx_here.v0.17.0  (cached)
-> retrieved ppx_inline_test.v0.17.1  (cached)
-> retrieved ppx_optcomp.v0.17.1  (cached)
-> retrieved ppx_sexp_conv.v0.17.1  (cached)
-> retrieved ppx_string.v0.17.0  (cached)
-> retrieved ppx_variants_conv.v0.17.1  (cached)
-> retrieved ppxlib_jane.v0.17.4  (cached)
-> retrieved ppx_minidebug.2.3.0  (cached)
-> installed cmdliner.1.3.0
-> installed num.1.6
-> installed ocamlbuild.0.16.1
-> retrieved ppxlib.0.36.0  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved result.1.5  (cached)
-> retrieved re.1.13.2  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sexplib.v0.17.0  (cached)
-> retrieved printbox.0.12, printbox-ext-plot.0.12, printbox-html.0.12, printbox-md.0.12, printbox-text.0.12  (cached)
-> retrieved saturn_lockfree.0.5.0  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved stdio.v0.17.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved thread-local-storage.0.2  (cached)
-> retrieved time_now.v0.17.0  (cached)
-> retrieved topkg.1.1.0  (cached)
-> retrieved tyxml.4.6.0  (cached)
-> retrieved variantslib.v0.17.0  (cached)
-> retrieved uutf.1.0.4  (cached)
-> retrieved uucp.16.0.0  (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed camlzip.1.13
-> installed topkg.1.1.0
-> installed mtime.2.1.0
-> installed uutf.1.0.4
-> installed fmt.0.11.0
-> installed ptime.1.2.0
-> installed astring.0.8.5
-> installed logs.0.9.0
-> installed dune.3.19.1
-> installed backoff.0.1.1
-> installed bigarray-compat.1.1.0
-> installed camlp-streams.5.0.1
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed csv.2.4
-> installed jane-street-headers.v0.17.0
-> installed multicore-magic.2.3.1
-> installed ocaml-compiler-libs.v0.17.0
-> installed ocaml-syntax-shims.1.0.0
-> installed ocaml-version.4.0.1
-> installed ocaml_intrinsics_kernel.v0.17.1
-> installed pp.2.0.0
-> installed pprint.20230830
-> installed ppx_derivers.1.2.1
-> installed printbox.0.12
-> installed result.1.5
-> installed sexplib0.v0.17.0
-> installed stdlib-shims.0.3.0
-> installed thread-local-storage.0.2
-> installed re.1.13.2
-> installed saturn_lockfree.0.5.0
-> installed integers.0.7.0
-> installed ordering.3.19.1
-> installed dune-configurator.3.19.1
-> installed parsexp.v0.17.0
-> installed dyn.3.19.1
-> installed bigstringaf.0.10.0
-> installed sexplib.v0.17.0
-> installed mdx.2.5.0
-> installed angstrom.0.16.1
-> installed tyxml.4.6.0
-> installed printbox-html.0.12
-> installed curl.0.10.0
-> installed stdune.3.19.1
-> installed uucp.16.0.0
-> installed ctypes.0.23.0
-> installed printbox-text.0.12
-> installed printbox-md.0.12
-> installed base.v0.17.3
-> installed printbox-ext-plot.0.12
-> installed fieldslib.v0.17.0
-> installed variantslib.v0.17.0
-> installed stdio.v0.17.0
-> installed dune-private-libs.3.19.1
-> installed ctypes-foreign.0.23.0
-> installed dune-site.3.19.1
-> installed ppxlib.0.36.0
-> installed ppx_optcomp.v0.17.1
-> installed ppxlib_jane.v0.17.4
-> installed ppx_cold.v0.17.0
-> installed ppx_here.v0.17.0
-> installed ppx_variants_conv.v0.17.1
-> installed ppx_fields_conv.v0.17.0
-> installed ppx_enumerate.v0.17.0
-> installed ppx_deriving.6.1.1
-> installed ppx_compare.v0.17.0
-> installed ppx_globalize.v0.17.2
-> installed ppx_sexp_conv.v0.17.1
-> installed ppx_hash.v0.17.0
-> installed ppx_assert.v0.17.0
-> installed ppx_minidebug.2.3.0
-> installed ppx_base.v0.17.0
-> installed jst-config.v0.17.0
-> installed ppx_string.v0.17.0
-> installed time_now.v0.17.0
-> installed ppx_inline_test.v0.17.1
-> installed ppx_expect.v0.17.3
Done.
# To update the current shell environment, run: eval $(opam env)
2025-08-07 14:43.12 ---> using "9cabe73ba1815ed6255817e6c9bbc19afaf54166a2154d4e34694ab944baf460" from cache


/src: (copy (src .) (dst /src))
2025-08-07 14:43.12 ---> saved as "cf892d149197d46cf2b52fde59d5ae0b0a4f78ca6b90d0f3d66fa3f9afab24d6"


/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
File "arrayjit/test/dune", line 6, characters 16-24:
6 |   (pps ppx_here ppx_jane)))
^^^^^^^^
Error: Library "ppx_jane" not found.
-> required by
_build/default/arrayjit/test/.merlin-conf/exe-test_numerical_types
-> required by alias arrayjit/test/check
(cd _build/default/test/operations/config && ../../../arrayjit/bin/read_config.exe --read=backend)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Wrote value of 'backend' to ocannl_backend.txt
(cd _build/default/test/operations && ./test_threefry_precision.exe)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Threefry4x32 result precision: single
Uniform result precision: single
Retrieving commandline, environment, or config file variable ocannl_backend
Found multicore_cc, in the config file
Retrieving commandline, environment, or config file variable ocannl_cd_ident_style
Not found, using default heuristic
Retrieving commandline, environment, or config file variable ocannl_ll_ident_style
Not found, using default heuristic
Retrieving commandline, environment, or config file variable ocannl_prefer_backend_uniformity
Found true, in the config file
Retrieving commandline, environment, or config file variable ocannl_debug_log_to_stream_files
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_cc_backend_optimization_level
Not found, using default 3
Retrieving commandline, environment, or config file variable ocannl_cc_backend_compiler_command
Not found, using default gcc
Retrieving commandline, environment, or config file variable ocannl_cc_backend_verify_codesign
Not found, using default false
Compilation successful!
Actual tensor precision in context: single
(cd _build/default/test/ppx && ./test_ppx_op.exe)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/default/test/ppx && ./test_ppx_op_expected.exe)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/fd059e129a658077da25569a1742b2ad/default/test/einsum && .einsum_tutorials.inline-tests/inline-test-runner.exe inline-test-runner einsum_tutorials -partition 'Retrieving commandline, environment, or config file variable ocannl_log_level' -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/fd059e129a658077da25569a1742b2ad/default/test/einsum && .einsum_tutorials.inline-tests/inline-test-runner.exe inline-test-runner einsum_tutorials -partition 'Found 0, in the config file' -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/d6375325de752227c1220d21e1ed7763/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition 'Retrieving commandline, environment, or config file variable ocannl_log_level' -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/d6375325de752227c1220d21e1ed7763/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition 'Found 0, in the config file' -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/d6375325de752227c1220d21e1ed7763/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition test_threefry4x32.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/operations/dune", lines 19-29, characters 0-281:
19 | (rule
20 |  (alias runtest)
21 |  (target
22 |   (dir log_files))
23 |  (action
24 |   (run
25 |    %{dep:micrograd_demo_logging.exe}
26 |    "--ocannl_debug_backend=text"
27 |    "--ocannl_log_file_stem=micrograd_demo_logging"
28 |    "--ocannl_log_main_domain_to_stdout=false"
29 |    "--ocannl_debug_log_to_stream_files=true")))
(cd _build/default/test/operations && ./micrograd_demo_logging.exe --ocannl_debug_backend=text --ocannl_log_file_stem=micrograd_demo_logging --ocannl_log_main_domain_to_stdout=false --ocannl_debug_log_to_stream_files=true)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Retrieving commandline, environment, or config file variable ocannl_backend
Found multicore_cc, in the config file
Retrieving commandline, environment, or config file variable ocannl_never_capture_stdout
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_cd_ident_style
Not found, using default heuristic
Retrieving commandline, environment, or config file variable ocannl_ll_ident_style
Not found, using default heuristic
Retrieving commandline, environment, or config file variable ocannl_prefer_backend_uniformity
Found true, in the config file
Retrieving commandline, environment, or config file variable ocannl_debug_log_to_stream_files
Found true, commandline --ocannl_debug_log_to_stream_files=true
Retrieving commandline, environment, or config file variable ocannl_cc_backend_optimization_level
Not found, using default 3
Retrieving commandline, environment, or config file variable ocannl_cc_backend_compiler_command
Not found, using default gcc
Retrieving commandline, environment, or config file variable ocannl_cc_backend_verify_codesign
Not found, using default false
Fatal error: exception File "src/printbox-text/PrintBox_text.ml", line 212, characters 6-12: Assertion failed
Raised at PrintBox_text.Output.Make_out.to_buf_aux_ in file "src/printbox-text/PrintBox_text.ml", line 212, characters 6-50
Called from Stdlib__Map.Make.fold in file "map.ml", line 329, characters 19-42
Called from Stdlib__Map.Make.fold in file "map.ml", line 329, characters 26-41
Called from Stdlib__Map.Make.fold in file "map.ml", line 329, characters 26-41
Called from Stdlib__Map.Make.fold in file "map.ml", line 329, characters 26-41
Called from PrintBox_text.Output.Make_out.render in file "src/printbox-text/PrintBox_text.ml", line 242, characters 14-64
Called from PrintBox_text.output in file "src/printbox-text/PrintBox_text.ml", line 851, characters 2-31
Called from Minidebug_runtime.PrintBox.output_box in file "minidebug_runtime.ml", line 1527, characters 19-59
Called from Minidebug_runtime.PrintBox.close_log_impl.close_tree in file "minidebug_runtime.ml", line 1572, characters 6-38
Called from Backends.Add_buffer_retrieval_and_syncing.sync_routine.post in file "arrayjit/lib/backends.ml", lines 225-232, characters 13-15
Called from Ir__Task.run in file "arrayjit/lib/task.ml", line 17, characters 2-14
Re-raised at Ir__Task.run in file "arrayjit/lib/task.ml", lines 15-17, characters 20-14
Called from Ocannl__Train.run in file "lib/train.ml" (inlined), line 43, characters 17-44
Called from Ocannl__Train.init_params in file "lib/train.ml", line 372, characters 2-10
Called from Ocannl__Train.run_once in file "lib/train.ml", line 541, characters 9-73
Re-raised at Ocannl__Train.run_once in file "lib/train.ml", line 541, characters 9-73
Re-raised at Ocannl__Train.run_once in file "lib/train.ml", lines 522-545, characters 25-17
Called from Dune__exe__Micrograd_demo_logging.(fun) in file "test/operations/micrograd_demo_logging.ml", line 30, characters 9-47
Called from Utils.capture_stdout_logs in file "arrayjit/lib/utils.ml", line 858, characters 10-16
Re-raised at Utils.capture_stdout_logs in file "arrayjit/lib/utils.ml", line 889, characters 8-87
Called from Dune__exe__Micrograd_demo_logging in file "test/operations/micrograd_demo_logging.ml", lines 29-34, characters 2-27
(cd _build/.sandbox/d6375325de752227c1220d21e1ed7763/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition zero2hero_1of7.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/d6375325de752227c1220d21e1ed7763/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition primitive_ops.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/einsum/einsum_trivia_exec.expected", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/einsum/einsum_trivia_exec.expected _build/default/test/einsum/einsum_trivia_exec.exe.output
diff --git a/_build/default/test/einsum/einsum_trivia_exec.expected b/_build/default/test/einsum/einsum_trivia_exec.exe.output
index 1c66789..e2ed27d 100644
--- a/_build/default/test/einsum/einsum_trivia_exec.expected
+++ b/_build/default/test/einsum/einsum_trivia_exec.exe.output
@@ -657,169 +657,169 @@ HERE: test/einsum/einsum_trivia_exec.ml:229:21
│└──────┴────────────────────────────────────┘│
└─────────────────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:254:21
-┌────────────────────────────────┐
-│[9]: ;=>+ shape 0:4,1:5,2:6,3:3 │
-│┌──────┬──────────────────┐     │
-││0 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 0.00  0.00  0.00 │     │
-││axis 2│ 0.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  0.00  4.00 │     │
-││      │ 0.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 0.00  1.00  0.00 │     │
-││axis 2│ 0.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  1.00  4.00 │     │
-││      │ 0.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 0.00  2.00  0.00 │     │
-││axis 2│ 0.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  2.00  4.00 │     │
-││      │ 0.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 0.00  3.00  0.00 │     │
-││axis 2│ 0.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  3.00  4.00 │     │
-││      │ 0.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 0.00  4.00  0.00 │     │
-││axis 2│ 0.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  4.00  4.00 │     │
-││      │ 0.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-├────────────────────────────────┤
-│┌──────┬──────────────────┐     │
-││1 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 1.00  0.00  0.00 │     │
-││axis 2│ 1.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  0.00  4.00 │     │
-││      │ 1.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 1.00  1.00  0.00 │     │
-││axis 2│ 1.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  1.00  4.00 │     │
-││      │ 1.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 1.00  2.00  0.00 │     │
-││axis 2│ 1.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  2.00  4.00 │     │
-││      │ 1.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 1.00  3.00  0.00 │     │
-││axis 2│ 1.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  3.00  4.00 │     │
-││      │ 1.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 1.00  4.00  0.00 │     │
-││axis 2│ 1.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  4.00  4.00 │     │
-││      │ 1.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-├────────────────────────────────┤
-│┌──────┬──────────────────┐     │
-││2 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 2.00  0.00  0.00 │     │
-││axis 2│ 2.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  0.00  4.00 │     │
-││      │ 2.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 2.00  1.00  0.00 │     │
-││axis 2│ 2.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  1.00  4.00 │     │
-││      │ 2.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 2.00  2.00  0.00 │     │
-││axis 2│ 2.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  2.00  4.00 │     │
-││      │ 2.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 2.00  3.00  0.00 │     │
-││axis 2│ 2.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  3.00  4.00 │     │
-││      │ 2.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 2.00  4.00  0.00 │     │
-││axis 2│ 2.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  4.00  4.00 │     │
-││      │ 2.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-├────────────────────────────────┤
-│┌──────┬──────────────────┐     │
-││3 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 3.00  0.00  0.00 │     │
-││axis 2│ 3.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  0.00  4.00 │     │
-││      │ 3.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 3.00  1.00  0.00 │     │
-││axis 2│ 3.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  1.00  4.00 │     │
-││      │ 3.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 3.00  2.00  0.00 │     │
-││axis 2│ 3.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  2.00  4.00 │     │
-││      │ 3.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 3.00  3.00  0.00 │     │
-││axis 2│ 3.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  3.00  4.00 │     │
-││      │ 3.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 3.00  4.00  0.00 │     │
-││axis 2│ 3.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  4.00  4.00 │     │
-││      │ 3.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-└────────────────────────────────┘
+┌────────────────────────────────────────┐
+│[9]: ;=>+ shape 0:4,1:5,2:6,3:3         │
+│┌──────┬───────────────────────────────┐│
+││0 @ 0 │axis 3                         ││
+│├──────┼───────────────────────────────┤│
+││0 @ 1 │ 4.35e+18  4.57e-41  -6.21e-21 ││
+││axis 2│ 6.29e+2   2.91e+3   1.00      ││
+││      │ ...       ...       ...       ││
+││      │ 5.30e+3   5.12e+3   4.00      ││
+││      │ 6.29e+2   4.57e-41  5.00      ││
+│├──────┼───────────────────────────────┤│
+││1 @ 1 │ 4.35e+18  1.00     2.06e+3    ││
+││axis 2│ 0.00      2.91e+3  2.06e+3    ││
+││      │ ...       ...      ...        ││
+││      │ 4.68e+3   5.12e+3  2.06e+3    ││
+││      │ 0.00      1.00     2.06e+3    ││
+│├──────┼───────────────────────────────┤│
+││2 @ 1 │ 4.35e+18  2.00     2.46e+3    ││
+││axis 2│ 2.14e+3   2.91e+3  2.46e+3    ││
+││      │ ...       ...      ...        ││
+││      │ 6.82e+3   5.12e+3  2.46e+3    ││
+││      │ 2.14e+3   2.00     2.46e+3    ││
+│├──────┼───────────────────────────────┤│
+││3 @ 1 │ 4.35e+18  3.00     2.86e+3    ││
+││axis 2│ 2.48e+3   2.91e+3  2.86e+3    ││
+││      │ ...       ...      ...        ││
+││      │ 7.16e+3   5.12e+3  2.86e+3    ││
+││      │ 2.48e+3   3.00     2.86e+3    ││
+│├──────┼───────────────────────────────┤│
+││4 @ 1 │ 4.35e+18  4.00     3.26e+3    ││
+││axis 2│ 2.82e+3   2.91e+3  3.26e+3    ││
+││      │ ...       ...      ...        ││
+││      │ 7.50e+3   5.12e+3  3.26e+3    ││
+││      │ 2.82e+3   4.00     3.26e+3    ││
+│└──────┴───────────────────────────────┘│
+├────────────────────────────────────────┤
+│┌──────┬───────────────────────────────┐│
+││1 @ 0 │axis 3                         ││
+│├──────┼───────────────────────────────┤│
+││0 @ 1 │ 4.35e+18  -8.05e+36  5.28e-30 ││
+││axis 2│ 6.30e+2   -8.05e+36  1.00     ││
+││      │ ...       ...        ...      ││
+││      │ 5.31e+3   -8.05e+36  4.00     ││
+││      │ 6.30e+2   -8.05e+36  5.00     ││
+│├──────┼───────────────────────────────┤│
+││1 @ 1 │ 4.35e+18  -8.05e+36  2.06e+3  ││
+││axis 2│ 1.00      -8.05e+36  2.06e+3  ││
+││      │ ...       ...        ...      ││
+││      │ 4.68e+3   -8.05e+36  2.06e+3  ││
+││      │ 1.00      -8.05e+36  2.06e+3  ││
+│├──────┼───────────────────────────────┤│
+││2 @ 1 │ 4.35e+18  -8.05e+36  2.46e+3  ││
+││axis 2│ 2.14e+3   -8.05e+36  2.46e+3  ││
+││      │ ...       ...        ...      ││
+││      │ 6.82e+3   -8.05e+36  2.46e+3  ││
+││      │ 2.14e+3   -8.05e+36  2.46e+3  ││
+│├──────┼───────────────────────────────┤│
+││3 @ 1 │ 4.35e+18  -8.05e+36  2.86e+3  ││
+││axis 2│ 2.48e+3   -8.05e+36  2.86e+3  ││
+││      │ ...       ...        ...      ││
+││      │ 7.16e+3   -8.05e+36  2.86e+3  ││
+││      │ 2.48e+3   -8.05e+36  2.86e+3  ││
+│├──────┼───────────────────────────────┤│
+││4 @ 1 │ 4.35e+18  -8.05e+36  3.26e+3  ││
+││axis 2│ 2.82e+3   -8.05e+36  3.26e+3  ││
+││      │ ...       ...        ...      ││
+││      │ 7.50e+3   -8.05e+36  3.26e+3  ││
+││      │ 2.82e+3   -8.05e+36  3.26e+3  ││
+│└──────┴───────────────────────────────┘│
+├────────────────────────────────────────┤
+│┌──────┬─────────────────────────────┐  │
+││2 @ 0 │axis 3                       │  │
+│├──────┼─────────────────────────────┤  │
+││0 @ 1 │ 4.35e+18  2.27e+12  3.35e+7 │  │
+││axis 2│ 6.31e+2   2.27e+12  3.35e+7 │  │
+││      │ ...       ...       ...     │  │
+││      │ 5.31e+3   2.27e+12  3.35e+7 │  │
+││      │ 6.31e+2   2.27e+12  3.35e+7 │  │
+│├──────┼─────────────────────────────┤  │
+││1 @ 1 │ 4.35e+18  2.27e+12  3.35e+7 │  │
+││axis 2│ 2.00      2.27e+12  3.35e+7 │  │
+││      │ ...       ...       ...     │  │
+││      │ 4.68e+3   2.27e+12  3.35e+7 │  │
+││      │ 2.00      2.27e+12  3.35e+7 │  │
+│├──────┼─────────────────────────────┤  │
+││2 @ 1 │ 4.35e+18  2.27e+12  3.35e+7 │  │
+││axis 2│ 2.15e+3   2.27e+12  3.35e+7 │  │
+││      │ ...       ...       ...     │  │
+││      │ 6.83e+3   2.27e+12  3.35e+7 │  │
+││      │ 2.15e+3   2.27e+12  3.35e+7 │  │
+│├──────┼─────────────────────────────┤  │
+││3 @ 1 │ 4.35e+18  2.27e+12  3.35e+7 │  │
+││axis 2│ 2.48e+3   2.27e+12  3.35e+7 │  │
+││      │ ...       ...       ...     │  │
+││      │ 7.16e+3   2.27e+12  3.35e+7 │  │
+││      │ 2.48e+3   2.27e+12  3.35e+7 │  │
+│├──────┼─────────────────────────────┤  │
+││4 @ 1 │ 4.35e+18  2.27e+12  3.35e+7 │  │
+││axis 2│ 2.82e+3   2.27e+12  3.35e+7 │  │
+││      │ ...       ...       ...     │  │
+││      │ 7.50e+3   2.27e+12  3.35e+7 │  │
+││      │ 2.82e+3   2.27e+12  3.35e+7 │  │
+│└──────┴─────────────────────────────┘  │
+├────────────────────────────────────────┤
+│┌──────┬────────────────────────────┐   │
+││3 @ 0 │axis 3                      │   │
+│├──────┼────────────────────────────┤   │
+││0 @ 1 │ 4.35e+18  7.56e-44  0.00   │   │
+││axis 2│ 6.32e+2   2.91e+3   1.00   │   │
+││      │ ...       ...       ...    │   │
+││      │ 5.31e+3   5.12e+3   4.00   │   │
+││      │ 6.32e+2   6.86e-44  5.00   │   │
+│├──────┼────────────────────────────┤   │
+││1 @ 1 │ 4.35e+18  1.00     2.06e+3 │   │
+││axis 2│ 3.00      2.91e+3  2.06e+3 │   │
+││      │ ...       ...      ...     │   │
+││      │ 4.68e+3   5.12e+3  2.06e+3 │   │
+││      │ 3.00      1.00     2.06e+3 │   │
+│├──────┼────────────────────────────┤   │
+││2 @ 1 │ 4.35e+18  2.00     2.46e+3 │   │
+││axis 2│ 2.15e+3   2.91e+3  2.46e+3 │   │
+││      │ ...       ...      ...     │   │
+││      │ 6.83e+3   5.12e+3  2.46e+3 │   │
+││      │ 2.15e+3   2.00     2.46e+3 │   │
+│├──────┼────────────────────────────┤   │
+││3 @ 1 │ 4.35e+18  3.00     2.86e+3 │   │
+││axis 2│ 2.48e+3   2.91e+3  2.86e+3 │   │
+││      │ ...       ...      ...     │   │
+││      │ 7.16e+3   5.12e+3  2.86e+3 │   │
+││      │ 2.48e+3   3.00     2.86e+3 │   │
+│├──────┼────────────────────────────┤   │
+││4 @ 1 │ 4.35e+18  4.00     3.26e+3 │   │
+││axis 2│ 2.82e+3   2.91e+3  3.26e+3 │   │
+││      │ ...       ...      ...     │   │
+││      │ 7.50e+3   5.12e+3  3.26e+3 │   │
+││      │ 2.82e+3   4.00     3.26e+3 │   │
+│└──────┴────────────────────────────┘   │
+└────────────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:255:21
-┌───────────────────────────┐
-│[1]: =>_ti shape 0:4,1:3   │
-│┌──────┬──────────────────┐│
-││      │axis 1            ││
-│├──────┼──────────────────┤│
-││axis 0│ 0.00  0.00  0.00 ││
-││      │ 1.00  0.00  0.00 ││
-││      │ 2.00  0.00  0.00 ││
-││      │ 3.00  0.00  0.00 ││
-│└──────┴──────────────────┘│
-└───────────────────────────┘
+┌─────────────────────────────────────┐
+│[1]: =>_ti shape 0:4,1:3             │
+│┌──────┬────────────────────────────┐│
+││      │axis 1                      ││
+│├──────┼────────────────────────────┤│
+││axis 0│ 0.00  4.57e-41   -6.21e-21 ││
+││      │ 1.00  -8.05e+36  5.28e-30  ││
+││      │ 2.00  2.27e+12   3.35e+7   ││
+││      │ 3.00  6.86e-44   0.00      ││
+│└──────┴────────────────────────────┘│
+└─────────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:256:21
-┌───────────────────────────┐
-│[7]: =>_tk shape 0:6,1:3   │
-│┌──────┬──────────────────┐│
-││      │axis 1            ││
-│├──────┼──────────────────┤│
-││axis 0│ 0.00  0.00  0.00 ││
-││      │ 0.00  0.00  1.00 ││
-││      │ ...   ...   ...  ││
-││      │ 0.00  0.00  4.00 ││
-││      │ 0.00  0.00  5.00 ││
-│└──────┴──────────────────┘│
-└───────────────────────────┘
+┌───────────────────────────────────┐
+│[7]: =>_tk shape 0:6,1:3           │
+│┌──────┬──────────────────────────┐│
+││      │axis 1                    ││
+│├──────┼──────────────────────────┤│
+││axis 0│ 4.35e+18  7.00e-45  0.00 ││
+││      │ 0.00      2.91e+3   1.00 ││
+││      │ ...       ...       ...  ││
+││      │ 4.68e+3   5.12e+3   4.00 ││
+││      │ 0.00      0.00      5.00 ││
+│└──────┴──────────────────────────┘│
+└───────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:278:21
┌─────────────────────────────────────────────────────────────────┐
│[2]: ;=>_c shape 0:3|1:4,2:2                                     │
(cd _build/.sandbox/d6375325de752227c1220d21e1ed7763/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition hello_world_op.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/operations/zero2hero_1of7.ml", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/operations/zero2hero_1of7.ml _build/.sandbox/d6375325de752227c1220d21e1ed7763/default/test/operations/zero2hero_1of7.ml.corrected
diff --git a/_build/default/test/operations/zero2hero_1of7.ml b/_build/.sandbox/d6375325de752227c1220d21e1ed7763/default/test/operations/zero2hero_1of7.ml.corrected
index 5caa1d9..1484b73 100644
--- a/_build/default/test/operations/zero2hero_1of7.ml
+++ b/_build/.sandbox/d6375325de752227c1220d21e1ed7763/default/test/operations/zero2hero_1of7.ml.corrected
@@ -273,21 +273,21 @@ let%expect_test "Simple gradients hosted" =
[%expect
{|
#12 *._l
-                        0.00
+                        -2.83e-28
#13 grad_*._l
-                        0.00
+                        -2.83e-28
#8 +_d                   │#10 f non-emb
-                  0.00                    │ -2.00
+                  -2.83e-28               │ -2.00
#9 grad_+_d              │#11 grad_f
-                  0.00                    │ 0.00
+                  -2.83e-28               │ -2.83e-28
#4 *._e            │#6 c non-emb│
-           0.00              │ 1.00e+1    │
+           -2.83e-28         │ 1.00e+1    │
#5 grad_*._e       │#7 grad_c   │
-           0.00              │ 0.00       │
+           -2.83e-28         │ -2.83e-28  │
#0 a non-emb│#2 b non-emb│            │
2.00       │ -3.00      │            │
#1 grad_a   │#3 grad_b   │            │
-     0.00       │ 0.00       │            │
+     -2.83e-28  │ -2.83e-28  │            │
|}];
(* Do not update the params: all values and gradients will be at initial points, which are
specified in the tensor in the brackets. *)
@@ -403,21 +403,21 @@ let%expect_test "Simple gradients virtual" =
[%expect
{|
#12 *._l
-                    0.00
+                    -2.83e-28
#13 grad_*._l Virt/40
<void>
#8 +_d Local/1046            │#10 f non-emb
<void>                       │ -2.00
#9 grad_+_d Virt/40          │#11 grad_f
-             <void>                       │ 0.00
+             <void>                       │ -2.83e-28
#4 *._e Virt/152       │#6 c non-emb│
<void>                 │ 1.00e+1    │
#5 grad_*._e Virt/40   │#7 grad_c   │
-      <void>                 │ 0.00       │
+      <void>                 │ -2.83e-28  │
#0 a non-emb│#2 b non-emb│            │
2.00       │ -3.00      │            │
#1 grad_a   │#3 grad_b   │            │
-     0.00       │ 0.00       │            │
+     -2.83e-28  │ 1.43e+37   │            │
|}];
(* Do not update the params: all values and gradients will be at initial points, which are
specified in the tensor in the brackets. *)
(cd _build/.sandbox/fd059e129a658077da25569a1742b2ad/default/test/einsum && .einsum_tutorials.inline-tests/inline-test-runner.exe inline-test-runner einsum_tutorials -partition einsum_trivia.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/einsum/einsum_trivia.ml", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/einsum/einsum_trivia.ml _build/.sandbox/fd059e129a658077da25569a1742b2ad/default/test/einsum/einsum_trivia.ml.corrected
diff --git a/_build/default/test/einsum/einsum_trivia.ml b/_build/.sandbox/fd059e129a658077da25569a1742b2ad/default/test/einsum/einsum_trivia.ml.corrected
index 3049108..cd57877 100644
--- a/_build/default/test/einsum/einsum_trivia.ml
+++ b/_build/.sandbox/fd059e129a658077da25569a1742b2ad/default/test/einsum/einsum_trivia.ml.corrected
@@ -976,177 +976,177 @@ let%expect_test "outer_sum simulating axis concatenation" =
[%expect
{|
HERE: test/einsum/einsum_trivia.ml:975:21
-    ┌────────────────────────────────┐
-    │[9]: ;=>+ shape 0:4,1:5,2:6,3:3 │
-    │┌──────┬──────────────────┐     │
-    ││0 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 0.00  0.00  0.00 │     │
-    ││axis 2│ 0.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  0.00  4.00 │     │
-    ││      │ 0.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 0.00  1.00  0.00 │     │
-    ││axis 2│ 0.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  1.00  4.00 │     │
-    ││      │ 0.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 0.00  2.00  0.00 │     │
-    ││axis 2│ 0.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  2.00  4.00 │     │
-    ││      │ 0.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 0.00  3.00  0.00 │     │
-    ││axis 2│ 0.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  3.00  4.00 │     │
-    ││      │ 0.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 0.00  4.00  0.00 │     │
-    ││axis 2│ 0.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  4.00  4.00 │     │
-    ││      │ 0.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    ├────────────────────────────────┤
-    │┌──────┬──────────────────┐     │
-    ││1 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 1.00  0.00  0.00 │     │
-    ││axis 2│ 1.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  0.00  4.00 │     │
-    ││      │ 1.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 1.00  1.00  0.00 │     │
-    ││axis 2│ 1.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  1.00  4.00 │     │
-    ││      │ 1.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 1.00  2.00  0.00 │     │
-    ││axis 2│ 1.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  2.00  4.00 │     │
-    ││      │ 1.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 1.00  3.00  0.00 │     │
-    ││axis 2│ 1.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  3.00  4.00 │     │
-    ││      │ 1.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 1.00  4.00  0.00 │     │
-    ││axis 2│ 1.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  4.00  4.00 │     │
-    ││      │ 1.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    ├────────────────────────────────┤
-    │┌──────┬──────────────────┐     │
-    ││2 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 2.00  0.00  0.00 │     │
-    ││axis 2│ 2.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  0.00  4.00 │     │
-    ││      │ 2.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 2.00  1.00  0.00 │     │
-    ││axis 2│ 2.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  1.00  4.00 │     │
-    ││      │ 2.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 2.00  2.00  0.00 │     │
-    ││axis 2│ 2.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  2.00  4.00 │     │
-    ││      │ 2.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 2.00  3.00  0.00 │     │
-    ││axis 2│ 2.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  3.00  4.00 │     │
-    ││      │ 2.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 2.00  4.00  0.00 │     │
-    ││axis 2│ 2.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  4.00  4.00 │     │
-    ││      │ 2.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    ├────────────────────────────────┤
-    │┌──────┬──────────────────┐     │
-    ││3 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 3.00  0.00  0.00 │     │
-    ││axis 2│ 3.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  0.00  4.00 │     │
-    ││      │ 3.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 3.00  1.00  0.00 │     │
-    ││axis 2│ 3.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  1.00  4.00 │     │
-    ││      │ 3.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 3.00  2.00  0.00 │     │
-    ││axis 2│ 3.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  2.00  4.00 │     │
-    ││      │ 3.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 3.00  3.00  0.00 │     │
-    ││axis 2│ 3.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  3.00  4.00 │     │
-    ││      │ 3.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 3.00  4.00  0.00 │     │
-    ││axis 2│ 3.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  4.00  4.00 │     │
-    ││      │ 3.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    └────────────────────────────────┘
+    ┌─────────────────────────────────────────┐
+    │[9]: ;=>+ shape 0:4,1:5,2:6,3:3          │
+    │┌──────┬───────────────────────────┐     │
+    ││0 @ 0 │axis 3                     │     │
+    │├──────┼───────────────────────────┤     │
+    ││0 @ 1 │ -1.03e-2   3.08e-41  0.00 │     │
+    ││axis 2│ -5.22e-3   7.00e-45  1.00 │     │
+    ││      │ ...        ...       ...  │     │
+    ││      │ -2.34e+16  3.08e-41  4.00 │     │
+    ││      │ -5.22e-3   1.19e-43  5.00 │     │
+    │├──────┼───────────────────────────┤     │
+    ││1 @ 1 │ -5.10e-3   1.00  2.06e+3  │     │
+    ││axis 2│ 0.00       1.00  2.06e+3  │     │
+    ││      │ ...        ...   ...      │     │
+    ││      │ -2.34e+16  1.00  2.06e+3  │     │
+    ││      │ 3.08e-41   1.00  2.06e+3  │     │
+    │├──────┼───────────────────────────┤     │
+    ││2 @ 1 │ 2.14e+3    2.00  2.46e+3  │     │
+    ││axis 2│ 2.14e+3    2.00  2.46e+3  │     │
+    ││      │ ...        ...   ...      │     │
+    ││      │ -2.34e+16  2.00  2.46e+3  │     │
+    ││      │ 2.14e+3    2.00  2.46e+3  │     │
+    │├──────┼───────────────────────────┤     │
+    ││3 @ 1 │ 2.48e+3    3.00  2.86e+3  │     │
+    ││axis 2│ 2.48e+3    3.00  2.86e+3  │     │
+    ││      │ ...        ...   ...      │     │
+    ││      │ -2.34e+16  3.00  2.86e+3  │     │
+    ││      │ 2.48e+3    3.00  2.86e+3  │     │
+    │├──────┼───────────────────────────┤     │
+    ││4 @ 1 │ 2.81e+3    4.00  3.26e+3  │     │
+    ││axis 2│ 2.82e+3    4.00  3.26e+3  │     │
+    ││      │ ...        ...   ...      │     │
+    ││      │ -2.34e+16  4.00  3.26e+3  │     │
+    ││      │ 2.82e+3    4.00  3.26e+3  │     │
+    │└──────┴───────────────────────────┘     │
+    ├─────────────────────────────────────────┤
+    │┌──────┬────────────────────────────────┐│
+    ││1 @ 0 │axis 3                          ││
+    │├──────┼────────────────────────────────┤│
+    ││0 @ 1 │ 9.89e-1    -6.21e+17  4.58e-41 ││
+    ││axis 2│ 9.94e-1    -6.21e+17  1.00     ││
+    ││      │ ...        ...        ...      ││
+    ││      │ -2.34e+16  -6.21e+17  4.00     ││
+    ││      │ 9.94e-1    -6.21e+17  5.00     ││
+    │├──────┼────────────────────────────────┤│
+    ││1 @ 1 │ 9.94e-1    -6.21e+17  2.06e+3  ││
+    ││axis 2│ 1.00       -6.21e+17  2.06e+3  ││
+    ││      │ ...        ...        ...      ││
+    ││      │ -2.34e+16  -6.21e+17  2.06e+3  ││
+    ││      │ 1.00       -6.21e+17  2.06e+3  ││
+    │├──────┼────────────────────────────────┤│
+    ││2 @ 1 │ 2.14e+3    -6.21e+17  2.46e+3  ││
+    ││axis 2│ 2.14e+3    -6.21e+17  2.46e+3  ││
+    ││      │ ...        ...        ...      ││
+    ││      │ -2.34e+16  -6.21e+17  2.46e+3  ││
+    ││      │ 2.14e+3    -6.21e+17  2.46e+3  ││
+    │├──────┼────────────────────────────────┤│
+    ││3 @ 1 │ 2.48e+3    -6.21e+17  2.86e+3  ││
+    ││axis 2│ 2.48e+3    -6.21e+17  2.86e+3  ││
+    ││      │ ...        ...        ...      ││
+    ││      │ -2.34e+16  -6.21e+17  2.86e+3  ││
+    ││      │ 2.48e+3    -6.21e+17  2.86e+3  ││
+    │├──────┼────────────────────────────────┤│
+    ││4 @ 1 │ 2.82e+3    -6.21e+17  3.26e+3  ││
+    ││axis 2│ 2.82e+3    -6.21e+17  3.26e+3  ││
+    ││      │ ...        ...        ...      ││
+    ││      │ -2.34e+16  -6.21e+17  3.26e+3  ││
+    ││      │ 2.82e+3    -6.21e+17  3.26e+3  ││
+    │└──────┴────────────────────────────────┘│
+    ├─────────────────────────────────────────┤
+    │┌──────┬───────────────────────────────┐ │
+    ││2 @ 0 │axis 3                         │ │
+    │├──────┼───────────────────────────────┤ │
+    ││0 @ 1 │ 1.98       3.08e-41  1.69e+19 │ │
+    ││axis 2│ 1.99       0.00      1.69e+19 │ │
+    ││      │ ...        ...       ...      │ │
+    ││      │ -2.34e+16  3.08e-41  1.69e+19 │ │
+    ││      │ 1.99       1.12e-43  1.69e+19 │ │
+    │├──────┼───────────────────────────────┤ │
+    ││1 @ 1 │ 1.99       1.00  1.69e+19     │ │
+    ││axis 2│ 2.00       1.00  1.69e+19     │ │
+    ││      │ ...        ...   ...          │ │
+    ││      │ -2.34e+16  1.00  1.69e+19     │ │
+    ││      │ 2.00       1.00  1.69e+19     │ │
+    │├──────┼───────────────────────────────┤ │
+    ││2 @ 1 │ 2.14e+3    2.00  1.69e+19     │ │
+    ││axis 2│ 2.15e+3    2.00  1.69e+19     │ │
+    ││      │ ...        ...   ...          │ │
+    ││      │ -2.34e+16  2.00  1.69e+19     │ │
+    ││      │ 2.15e+3    2.00  1.69e+19     │ │
+    │├──────┼───────────────────────────────┤ │
+    ││3 @ 1 │ 2.48e+3    3.00  1.69e+19     │ │
+    ││axis 2│ 2.48e+3    3.00  1.69e+19     │ │
+    ││      │ ...        ...   ...          │ │
+    ││      │ -2.34e+16  3.00  1.69e+19     │ │
+    ││      │ 2.48e+3    3.00  1.69e+19     │ │
+    │├──────┼───────────────────────────────┤ │
+    ││4 @ 1 │ 2.82e+3    4.00  1.69e+19     │ │
+    ││axis 2│ 2.82e+3    4.00  1.69e+19     │ │
+    ││      │ ...        ...   ...          │ │
+    ││      │ -2.34e+16  4.00  1.69e+19     │ │
+    ││      │ 2.82e+3    4.00  1.69e+19     │ │
+    │└──────┴───────────────────────────────┘ │
+    ├─────────────────────────────────────────┤
+    │┌──────┬──────────────────────────────┐  │
+    ││3 @ 0 │axis 3                        │  │
+    │├──────┼──────────────────────────────┤  │
+    ││0 @ 1 │ 2.98       -4.45e-2  7.16e-1 │  │
+    ││axis 2│ 2.99       -4.45e-2  1.71    │  │
+    ││      │ ...        ...       ...     │  │
+    ││      │ -2.34e+16  -4.45e-2  4.71    │  │
+    ││      │ 2.99       -4.45e-2  5.71    │  │
+    │├──────┼──────────────────────────────┤  │
+    ││1 @ 1 │ 2.99       9.55e-1  2.06e+3  │  │
+    ││axis 2│ 3.00       9.55e-1  2.06e+3  │  │
+    ││      │ ...        ...      ...      │  │
+    ││      │ -2.34e+16  9.55e-1  2.06e+3  │  │
+    ││      │ 3.00       9.55e-1  2.06e+3  │  │
+    │├──────┼──────────────────────────────┤  │
+    ││2 @ 1 │ 2.15e+3    1.95  2.46e+3     │  │
+    ││axis 2│ 2.15e+3    1.95  2.46e+3     │  │
+    ││      │ ...        ...   ...         │  │
+    ││      │ -2.34e+16  1.95  2.46e+3     │  │
+    ││      │ 2.15e+3    1.95  2.46e+3     │  │
+    │├──────┼──────────────────────────────┤��
+    ││3 @ 1 │ 2.48e+3    2.95  2.86e+3     │  │
+    ││axis 2│ 2.48e+3    2.95  2.86e+3     │  │
+    ││      │ ...        ...   ...         │  │
+    ││      │ -2.34e+16  2.95  2.86e+3     │  │
+    ││      │ 2.48e+3    2.95  2.86e+3     │  │
+    │├──────┼──────────────────────────────┤  │
+    ││4 @ 1 │ 2.82e+3    3.95  3.26e+3     │  │
+    ││axis 2│ 2.82e+3    3.95  3.26e+3     │  │
+    ││      │ ...        ...   ...         │  │
+    ││      │ -2.34e+16  3.95  3.26e+3     │  │
+    ││      │ 2.82e+3    3.95  3.26e+3     │  │
+    │└──────┴──────────────────────────────┘  │
+    └─────────────────────────────────────────┘
|}];
Train.printf ~here:[%here] ~with_code:false ~with_grad:false ti;
[%expect
{|
HERE: test/einsum/einsum_trivia.ml:1118:21
-    ┌───────────────────────────┐
-    │[1]: =>_ti shape 0:4,1:3   │
-    │┌──────┬──────────────────┐│
-    ││      │axis 1            ││
-    │├──────┼──────────────────┤│
-    ││axis 0│ 0.00  0.00  0.00 ││
-    ││      │ 1.00  0.00  0.00 ││
-    ││      │ 2.00  0.00  0.00 ││
-    ││      │ 3.00  0.00  0.00 ││
-    │└──────┴──────────────────┘│
-    └───────────────────────────┘
+    ┌────────────────────────────────────┐
+    │[1]: =>_ti shape 0:4,1:3            │
+    │┌──────┬───────────────────────────┐│
+    ││      │axis 1                     ││
+    │├──────┼───────────────────────────┤│
+    ││axis 0│ 0.00  7.00e-45   0.00     ││
+    ││      │ 1.00  -6.21e+17  4.58e-41 ││
+    ││      │ 2.00  0.00       1.69e+19 ││
+    ││      │ 3.00  -4.45e-2   7.16e-1  ││
+    │└──────┴───────────────────────────┘│
+    └────────────────────────────────────┘
|}];
Train.printf ~here:[%here] ~with_code:false ~with_grad:false tk;
[%expect
{|
HERE: test/einsum/einsum_trivia.ml:1134:21
-    ┌───────────────────────────┐
-    │[7]: =>_tk shape 0:6,1:3   │
-    │┌──────┬──────────────────┐│
-    ││      │axis 1            ││
-    │├──────┼──────────────────┤│
-    ││axis 0│ 0.00  0.00  0.00 ││
-    ││      │ 0.00  0.00  1.00 ││
-    ││      │ ...   ...   ...  ││
-    ││      │ 0.00  0.00  4.00 ││
-    ││      │ 0.00  0.00  5.00 ││
-    │└──────┴──────────────────┘│
-    └───────────────────────────┘
+    ┌────────────────────────────────────┐
+    │[7]: =>_tk shape 0:6,1:3            │
+    │┌──────┬───────────────────────────┐│
+    ││      │axis 1                     ││
+    │├──────┼───────────────────────────┤│
+    ││axis 0│ -5.10e-3   3.08e-41  0.00 ││
+    ││      │ 0.00       0.00      1.00 ││
+    ││      │ ...        ...       ...  ││
+    ││      │ -2.34e+16  3.08e-41  4.00 ││
+    ││      │ 3.08e-41   1.12e-43  5.00 ││
+    │└──────┴───────────────────────────┘│
+    └────────────────────────────────────┘
|}]


let%expect_test "einsum with a leftmost input axis preserved as output axis" =
File "test/training/moons_demo.expected", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/training/moons_demo.expected _build/default/test/training/moons_demo.exe.output
diff --git a/_build/default/test/training/moons_demo.expected b/_build/default/test/training/moons_demo.exe.output
index 3d5e347..fc1725b 100644
--- a/_build/default/test/training/moons_demo.expected
+++ b/_build/default/test/training/moons_demo.exe.output
@@ -2,38 +2,38 @@ Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Half-moons scatterplot and decision boundary:
┌────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│************************************#*********************************************..................│
-│*****************************##*#*#***###**#*************************************...................│
-│*********************##**#*#*###***#*##*#**#*##*********************************....................│
-│*******************####*##########***#####**####*******************************.....................│
-│**************#**###**#**#*#*#*###*#*#**#*#####*****##************************......................│
-│***************#####*#*##****##**####*####**#**#*#*#*************************.......................│
-│*************#*###*#*#*#*******************#*#*#########*********************.......................│
-│*********#**##*#*#*#**************************####*###*#********************........................│
-│********#****###*#*******************************#**#*#*##*#****************........................│
-│******#*#*#*#####************************************#####******************........................│
-│************###**************************************#*#********************........................│
-│********###**#**************........*******************###*##**************.........................│
-│******####*###***********.............********************###**#***********.........................│
-│*****###*##*#**********...........%%....****************#*##*#*************....................%....│
-│****#*#####***********.........%....%.....****************####**#**********....................%....│
-│****##*#*#**********...........%%%%........****************##*************...................%%.%%..│
-│***####*#**********..............%..%........***************####**********...................%..%.%.│
-│**##*#**#*********..............%.%%...........************###**##********...................%..%..%│
-│*##*#*##*********..............%.%%.%...........**********#**##**#********...................%.%..%.│
-│***####*********...............%%.%%.%............***********#####*#*****....................%....%.│
-│*##*##*#******..................%...%...............********##*#*#*******..................%.%%%.%..│
-│#**#**#******..................%%%.%%................*********#*###******...................%....%..│
-│####********.......................%.%.%...............******##*##*******..................%%%%%....│
-│#***##*****......................%%.%%..%................****#####*#****...................%%%%.%...│
-│##*#******........................%%%.%.%.................********##****.................%..%%%.....│
-│#*#******..........................%%.%.....................***#**##****..................%.%.%%%...│
-│#**#***.............................%%%%%..%..................***#******.................%%%........│
-│##****............................%...%.%%%...................##***#***................%%%.%..%.....│
-│*****...............................%.%%%%........................*****..............%..%.%%.%......│
-│****.................................%%.%%%%.............................................%%.%%......│
-│***....................................%..%..%.....................................%%%%.%%%%%.......│
-│*........................................%.%%.%%..%...............................%%%%%%.%.%........│
+│************************************#***************************************************************│
+│*****************************##*#*#***###**#********************************************************│
+│*********************##**#*#*###***#*##*#**#*##*****************************************************│
+│*******************####*##########***#####**####****************************************************│
+│**************#**###**#**#*#*#*###*#*#**#*#####*****##**********************************************│
+│***************#####*#*##****##**####*####**#**#*#*#************************************************│
+│*************#*###*#*#*#*******************#*#*#########********************************************│
+│*********#**##*#*#*#**************************####*###*#********************************************│
+│********#****###*#*******************************#**#*#*##*#****************************************│
+│******#*#*#*#####************************************#####******************************************│
+│************###**************************************#*#**************************************......│
+│********###**#**************************************...###.##.......................................│
+│******####*###******************..........................###..#....................................│
+│*****###*##*#*****************....%%....................#.##.#.................................%....│
+│****#*#####*****************...%....%.....................####..#..............................%....│
+│****##*#*#****************.....%%%%........................##................................%%.%%..│
+│***####*#***************.........%..%.......................####.............................%..%.%.│
+│**##*#**#**************.........%.%%.......................###..##...........................%..%..%│
+│*##*#*##*************..........%.%%.%.....................#..##..#...........................%.%..%.│
+│***####************............%%.%%.%.......................#####.#.........................%....%.│
+│*##*##*#*********...............%...%.......................##.#.#.........................%.%%%.%..│
+│#**#**#*********...............%%%.%%.........................#.###.........................%....%..│
+│####**********.....................%.%.%.....................##.##.........................%%%%%....│
+│#***##******.....................%%.%%..%....................#####.#.......................%%%%.%...│
+│##*#*******.......................%%%.%.%.........................##.....................%..%%%.....│
+│#*#******..........................%%.%........................#..##......................%.%.%%%...│
+│#**#****............................%%%%%..%.....................#.......................%%%........│
+│##****............................%...%.%%%...................##...#...................%%%.%..%.....│
+│****................................%.%%%%...........................................%..%.%%.%......│
+│***..................................%%.%%%%.............................................%%.%%......│
+│*......................................%..%..%.....................................%%%%.%%%%%.......│
+│.........................................%.%%.%%..%...............................%%%%%%.%.%........│
│........................................%%.%%.%%%................................%%.%.%...%.........│
│.............................................%%%.............................%.%.%..%%..%...........│
│.............................................%.%%.%%%%%..................%%%.%%.%.%..%..............│
@@ -79,10 +79,10 @@ Half-moons scatterplot and decision boundary:
│        │                                                                                                    │
│        │-                                                                                                   │
│        │   -                                                                                                │
-│        │ -    - -  - - -- -                 -        -                                                      │
-│        │     -    -         -  - -         -- - -- -  -    -                                                │
-│        │-- - -- - -    -- - -- -  - - -- - -- -         - -  - -- - -- - -- -  -   -                        │
-│        │---- -- - -- - ---- -- - ---- -- - -- - -- - --    -                  -  -  - - -- - --   -         │
+│        │ -    - -  - - -- - -     -                                                                         │
+│        │     -    -          - -    - -- - -- - -- - -  - -- -                                              │
+│        │-- - -- - -    -- - --   -- -            - - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - │
+│        │---- -- - -- - ---- -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - │
│ 0.00   │----------------------------------------------------------------------------------------------------│
├────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│        │0.00                                                                                         4.79e+3│
@@ -96,38 +96,38 @@ Half-moons scatterplot and decision boundary:
│         │-                                                                                                   │
│         │                                                                                                    │
│         │-  -                                                                                                │
-│         │ -   -- - -- - -- - -               -        --                                                     │
-│         │      -           -  - - -- -  -   -- - -- -    - -- -  -    -                                      │
-│         │-- - -- - -- - ---  -  - -- - -- - -- -                -  - -  - -- -  -   -                        │
-│         │---- -- - -- - ---- -- - ---- -- - -- - --   --                       -  -       -    -             │
-│         │-  - -- - -- - -    -    -  - -  - --      -       - -                      - - -  - -  - -         │
-│         │- -  -- -    -   --  ---   --  - - -  - --   -  - -                                          -      │
-│         │- --  -      -   -                  - -  -   -         -- -  -                             -      - │
-│         │-  - -    --        --           - -- - --      -    - -    -    -  -                          --   │
-│         │     --   --      -   --      -     -         -   --    - -  -   -  -                               │
-│l        │-  -    -      -    --   - --   --      -  - -                    -        -             -       -  │
-│o        │ -   ---   - -         -      - -  -  -  - -         -      -             -          -              │
-│g        │ -  - -- -    -          -         --    -  -   -  -              -    -         --    -    -       │
-│         │- --    -    -  -   ---    -     -------- - - --                  --           -    -          -    │
-│l        │--    -- - -          -     -  -- -- --- -- -     - - -    -  - -  -  -   --                  -    -│
-│o        │--  - --  ----        -     - --    -- -- -  --   ---- - - -         -              -               │
-│s        │--    --   -    -     -          -- -- --   -  - ---     -   - -   -         --           --        │
-│s        │ -- - --   -         ---    --    ------ --     --    -- -    -             --               -      │
-│         │        -  -     -   --   -  -   - - - --    --   -   ---  --           -        - - -    -         │
-│         │-  - ---      -      -       -   ---    -    - - - -   --  -    -       -    -  -             -  -  │
-│         │       - - -          -     -    --  ---   - -  -  -   -  -       - -   -       -   -               │
-│         │-  -                           - -   - -    -     -         -  -                          -         │
-│         │-                         -     --    - - - -  -    -        -       -   -        -                 │
-│         │                               - -   -  -      -    -         -- -              -     -             │
-│         │-   -                --          -      - --   -               -                                    │
-│         │       -                  -   -    - --     -            -               -                          │
-│         │                                  -     -        -               -         -                        │
-│         │                                -         -           -      -                 -              -     │
-│         │                                                 -                                                  │
-│         │      -                                                                                             │
-│         │                                                      -                                             │
-│         │                                                                -                                   │
+│         │ -   -- - -- - -- - --    - -                                                                       │
+│         │      -           -    - -    -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - │
+│         │-- - -- - -- - -- - -- - -- - -    -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - │
+│         │---- -- - -- - ---- -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - │
+│         │-  - -- - -- - -  - -- - -- - -- -  -   --   -- - --   -- -  - - -- - -- - -- - -- - -- - -- - -- - │
+│         │- -  -- -    - - -  --           -  - -    -         -    - -     -    -        -  - --      -  -   │
+│         │- --  -      -            - -      -          -   -          - -      -  -    -             -  -    │
+│         │-  - -    --     -  -  -      -  -        -     -                                -                  │
+│         │     --   --             -            -                 -        -                        -       - │
+│l        │-  -    -            -      - -         -     - - -- -     -                -      -          - -   │
+│o        │ -   ---   - -    -                                     - - -       -         -  -  --  --      - --│
+│g        │ -  - -- -    -   - --       -             -  -    - --   -    -    -  -  --          -    -- -   - │
+│         │- --    -    -        - -   - -- --      - -    -  -   -- -- -    -  -      -  - -  -   -          -│
+│l        │--    -- - -   --        -  --      - -  -   -  --      -    -  -   -       - -     -      - -     -│
+│o        │--  - --  ----         --      -  -----     --  --           -      --   -    -    --   -       -   │
+│s        │--    --   -       - ----  -  ----- ----      -       -    - - -- -  - -  - - -    -  - --      - - │
+│s        │ -- - --   -         - --       --   - - - --    - - -  -       - - -- - --  --- - -- - -- -  --- --│
+│         │        -  -    --      -      -       -    - -- -      - --  --- -  - - -    -- ---- - -- - -- - --│
+│         │-  - ---      -       -             -  - - -- -- -    - -    - -- -      -- -  - ---- -- - -  - -  -│
+│         │       - - -           -  - -    -       -     -   -- ---  - - -   --  ---  - --    - - - -- -- - --│
+│         │-  -               -   -        -           - -       -  ---  --- - -   - - -  - -  -   -  -  - -   │
+│         │-                    -  -   -        - -   -       -     -   -  -  - - -  -  ---   -  -- -      - --│
+│         │                     -        - -              -   ----         -    -    -   -       -    -  -  - -│
+│         │-   -                                  -              - -  -  - - -  -    -  - -   -  - -    -    - │
+│         │       -                -                        - -     -  -     -         -  --  -               -│
+│         │                                                     -               -                        -     │
+│         │                        -                  -               -                                    -   │
+│         │                                                                       --                -       - -│
+│         │      -                           -                                 -               -               │
+│         │                             -                               -                                -     │
│         │                                                                                                    │
+│         │                                                                       -         -                  │
│ -1.00e+1│----------------------------------------------------------------------------------------------------│
├─────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│         │0.00                                                                                         4.79e+3│
File "test/training/dune", line 23, characters 7-13:
23 |  (name bigram)
^^^^^^
(cd _build/default/test/training && ./bigram.exe) > _build/default/test/training/bigram.exe.output
Fatal error: exception Invalid_argument("Assignments.get_name: no comments in code")
Raised at Stdlib.invalid_arg in file "stdlib.ml", line 30, characters 20-45
Called from Backends.lower_assignments.(fun) in file "arrayjit/lib/backends.ml", line 249, characters 51-81
Re-raised at Backends.lower_assignments.(fun) in file "arrayjit/lib/backends.ml", line 249, characters 40-82
Called from Base__Option.value_or_thunk in file "src/option.ml" (inlined), line 125, characters 12-22
Called from Backends.lower_assignments in file "arrayjit/lib/backends.ml", line 249, characters 4-82
Re-raised at Backends.lower_assignments in file "arrayjit/lib/backends.ml", lines 248-249, characters 2-82
Re-raised at Backends.lower_assignments in file "arrayjit/lib/backends.ml", lines 247-256, characters 34-47
Called from Backends.Raise_backend.compile in file "arrayjit/lib/backends.ml", line 440, characters 6-59
Re-raised at Backends.Raise_backend.compile in file "arrayjit/lib/backends.ml", lines 439-440, characters 4-59
Re-raised at Backends.Raise_backend.compile in file "arrayjit/lib/backends.ml", lines 438-446, characters 26-99
Called from Ocannl__Train.to_routine in file "lib/train.ml", line 347, characters 26-82
Called from Dune__exe__Bigram in file "test/training/bigram.ml", line 84, characters 4-84
"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1
2025-08-07 14:45.42: Job failed: Failed: Build failed