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2025-09-28 08:49.03: New job: test ocaml-multicore/ocaml-uring https://github.com/ocaml-multicore/ocaml-uring.git#refs/pull/127/head (720b36080281f096f1f75ac30b0019889d09d2c0) (linux-x86_64:(lint-doc))
Base: ocaml/opam:debian-13-ocaml-4.12@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072
Opam project lint documentation


To reproduce locally:


git clone --recursive "https://github.com/ocaml-multicore/ocaml-uring.git" && cd "ocaml-uring" && git fetch origin "refs/pull/127/head" && git reset --hard 720b3608
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.12@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072
# debian-13-4.12_opam-2.4
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo ln -f /usr/bin/opam-2.2 /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 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 uring.opam ./
RUN opam pin add -yn uring.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bechamel.0.5.0 camlp-streams.5.0.1 cmdliner.1.3.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.20.2 dune-configurator.3.20.2 fmt.0.11.0 logs.0.8.0 lwt.5.9.2 mdx.2.5.0 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 re.1.12.0 result.1.5 seq.base topkg.1.1.0"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.2 --depext-only -y uring.dev $DEPS
RUN opam install $DEPS
RUN opam install --yes dune 'odoc>=1.5.0'
COPY --chown=1000:1000 . /src/
RUN ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo "dune build @doc failed"; exit 2)


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


2025-09-28 08:49.03: Using cache hint "ocaml-multicore/ocaml-uring-ocaml/opam:debian-13-ocaml-4.12@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072-debian-13-4.12_opam-2.4-bfde36ed81db71a19647ae5ab6e8805c"
2025-09-28 08:49.03: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.12@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072)
(comment debian-13-4.12_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-2.2 /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 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src uring.opam) (dst ./))
(run (network host)
(shell "opam pin add -yn uring.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bechamel.0.5.0 camlp-streams.5.0.1 cmdliner.1.3.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.20.2 dune-configurator.3.20.2 fmt.0.11.0 logs.0.8.0 lwt.5.9.2 mdx.2.5.0 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 re.1.12.0 result.1.5 seq.base topkg.1.1.0")
(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=2.2 --depext-only -y uring.dev $DEPS"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install --yes dune 'odoc>=1.5.0'"))
(copy (src .) (dst /src/))
(run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)"))
)


2025-09-28 08:49.03: Waiting for resource in pool OCluster
2025-09-28 08:49.03: Waiting for worker…
2025-09-28 08:49.04: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
All commits already cached
HEAD is now at 720b360 Fix mkdir test


(from ocaml/opam:debian-13-ocaml-4.12@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072)
2025-09-28 08:49.05 ---> using "bf060ccab3216165cd0b7bdb6a21baec6b19a600b6e09009a74027abe95d184c" from cache


/: (comment debian-13-4.12_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-2.2 /usr/bin/opam"))
2025-09-28 08:49.05 ---> saved as "e4c3e922650beaef61268b899a2d637a3ce6b7766258126e2ad64adf76a199f2"


/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 development 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
2025-09-28 08:49.29 ---> saved as "c7251660ed2c2bdf27744a328ebe8d51d32f5fae5c50c36d2a817838559a9841"


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-83-generic
The OCaml toplevel, version 4.12.1
2.2.1
2025-09-28 08:49.30 ---> saved as "9d4272fc05ba4457511b3d07154565850ed7ff19ff77bc6e6470316e4da0067f"


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-09-28 08:49.30 ---> saved as "2f195f8f076b67fd209d99234a8eeb3860c53edc4417fe332abec87020649447"


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
bcac5d1731..3c6a0f524c  master     -> origin/master
6ef6813522 Merge pull request #28449 from dra27/ocaml-compiler-msvc


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


Everything as up-to-date as possible (run with --verbose to show unavailable upgrades).
However, you may "opam upgrade" these packages explicitly, which will ask permission to downgrade or uninstall the conflicting packages.
Nothing to do.
# Run eval $(opam env) to update the current shell environment
2025-09-28 08:49.49 ---> saved as "4e701eec6b510a70a5eb468a481de5141b9f5d7233fd045a84f45fe5c400b5c1"


/src: (copy (src uring.opam) (dst ./))
2025-09-28 08:49.49 ---> saved as "f055fcfc85d38eed796e609ac5a9ea3e56976b84a870c093619366c124f195af"


/src: (run (network host)
(shell "opam pin add -yn uring.dev './'"))
[uring.dev] synchronised (file:///src)
uring is now pinned to file:///src (version dev)
2025-09-28 08:49.51 ---> saved as "f533de6d526dbaaffba74dceaeeabcbd274b753315e6b580e72fc3094c1be8ad"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-09-28 08:49.51 ---> saved as "a9dfbf6a1451bde7f2f6bcd110d7bc7916ca85acad958ef64ba3377ba9113af4"


/src: (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bechamel.0.5.0 camlp-streams.5.0.1 cmdliner.1.3.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.20.2 dune-configurator.3.20.2 fmt.0.11.0 logs.0.8.0 lwt.5.9.2 mdx.2.5.0 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 re.1.12.0 result.1.5 seq.base topkg.1.1.0")


/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=2.2 --depext-only -y uring.dev $DEPS"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian trixie InRelease
- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [46.2 kB]
- Fetched 137 kB in 0s (1281 kB/s)
- Reading package lists...


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[uring.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 2).
[NOTE] Package ocaml-base-compiler is already installed (current version is 4.12.1).
[NOTE] Package ocaml is already installed (current version is 4.12.1).
[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-bigarray is already installed (current version is base).
2025-09-28 08:50.02 ---> saved as "619003e13f53e68f205b0f899e41c1b627081c6ecf825c4b3cad8db583883c99"


/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 2).
[NOTE] Package ocaml-base-compiler is already installed (current version is 4.12.1).
[NOTE] Package ocaml is already installed (current version is 4.12.1).
[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-bigarray is already installed (current version is base).
The following actions will be performed:
=== install 23 packages
- install astring           0.8.5
- install base-bytes        base
- install bechamel          0.5.0
- install camlp-streams     5.0.1
- install cmdliner          1.3.0
- install cppo              1.8.0
- install csexp             1.5.2
- install cstruct           6.2.0
- install dune              3.20.2
- install dune-configurator 3.20.2
- install fmt               0.11.0
- install logs              0.8.0
- install lwt               5.9.2
- install mdx               2.5.0
- install ocaml-version     4.0.1
- install ocamlbuild        0.16.1
- install ocamlfind         1.9.8
- install ocplib-endian     1.2
- install optint            0.3.0
- install re                1.12.0
- install result            1.5
- install seq               base
- install topkg             1.1.0


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved bechamel.0.5.0  (cached)
-> retrieved cmdliner.1.3.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved cstruct.6.2.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved logs.0.8.0  (cached)
-> retrieved lwt.5.9.2  (cached)
-> retrieved mdx.2.5.0  (cached)
-> retrieved ocaml-version.4.0.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocplib-endian.1.2  (cached)
-> retrieved optint.0.3.0  (cached)
-> retrieved result.1.5  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved re.1.12.0  (cached)
-> retrieved topkg.1.1.0  (cached)
-> retrieved dune.3.20.2, dune-configurator.3.20.2  (cached)
-> installed cmdliner.1.3.0
-> installed ocamlbuild.0.16.1
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed topkg.1.1.0
-> installed fmt.0.11.0
-> installed astring.0.8.5
-> installed dune.3.20.2
-> installed result.1.5
-> installed csexp.1.5.2
-> installed bechamel.0.5.0
-> installed camlp-streams.5.0.1
-> installed cppo.1.8.0
-> installed cstruct.6.2.0
-> installed ocaml-version.4.0.1
-> installed optint.0.3.0
-> installed re.1.12.0
-> installed ocplib-endian.1.2
-> installed dune-configurator.3.20.2
-> installed lwt.5.9.2
-> installed logs.0.8.0
-> installed mdx.2.5.0
Done.
# Run eval $(opam env) to update the current shell environment
2025-09-28 08:50.44 ---> saved as "db783ee2797515d34ead519ac8c151273723cbb6b789f419e9d6623a37208c4b"


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install --yes dune 'odoc>=1.5.0'"))
[NOTE] Package dune is already installed (current version is 3.20.2).
The following actions will be performed:
=== install 7 packages
- install crunch      4.0.0 [required by odoc]
- install fpath       0.7.3 [required by odoc]
- install odoc        3.1.0
- install odoc-parser 3.1.0 [required by odoc]
- install ptime       1.2.0 [required by crunch]
- install tyxml       4.6.0 [required by odoc]
- install uutf        1.0.4 [required by tyxml]


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved crunch.4.0.0  (cached)
-> retrieved fpath.0.7.3  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved tyxml.4.6.0  (cached)
-> retrieved uutf.1.0.4  (cached)
-> retrieved odoc.3.1.0, odoc-parser.3.1.0  (cached)
-> installed fpath.0.7.3
-> installed ptime.1.2.0
-> installed uutf.1.0.4
-> installed crunch.4.0.0
-> installed odoc-parser.3.1.0
-> installed tyxml.4.6.0
-> installed odoc.3.1.0
Done.
# Run eval $(opam env) to update the current shell environment
2025-09-28 08:51.01 ---> saved as "d2ecdefc738c699c044ef49b0000eeecf639ba3476eb9310f77cd037c1166f37"


/src: (copy (src .) (dst /src/))
2025-09-28 08:51.02 ---> saved as "fbd9c8d9878be3d615cc9fea4ff3382b40989823304a949315f90fc97f535eb9"


/src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)"))
(cd _build/default/vendor/liburing && ./configure)
prefix                        /usr
includedir                    /usr/include
libdir                        /usr/lib
libdevdir                     /usr/lib
relativelibdir
mandir                        /usr/man
datadir                       /usr/share
libgcc_link_flag              /usr/lib/gcc/x86_64-linux-gnu/14/libgcc.a
stringop_overflow             yes
array_bounds                  yes
__kernel_rwf_t                yes
__kernel_timespec             yes
open_how                      yes
statx                         yes
glibc_statx                   yes
C++                           yes
has_ucontext                  yes
NVMe uring command support    yes
futex waitv support           yes
has_idtype_t                  yes
nolibc                        yes
has_fanotify                  yes
CC                            gcc
CXX                           g++
(cd _build/default/vendor/liburing && /usr/bin/make -j -C src)
make: Entering directory '/src/_build/default/vendor/liburing/src'
CC setup.ol
CC queue.ol
CC syscall.ol
CC register.ol
CC version.ol
CC nolibc.ol
CC ffi.ol
CC queue.os
CC setup.os
CC register.os
CC syscall.os
CC version.os
CC nolibc.os
CC ffi.os
AR liburing.a
CC liburing.so.2.7
RANLIB liburing.a
AR liburing-ffi.a
RANLIB liburing-ffi.a
CC liburing-ffi.so.2.7
make: Leaving directory '/src/_build/default/vendor/liburing/src'
ar: creating liburing.a
ar: creating liburing-ffi.a
(cd _build/default/_doc/_html && /home/opam/.opam/4.12/bin/odoc link -I ../_odoc/pkg/uring -I ../../lib/uring/.uring.objs/byte -o ../_odocls/uring/uring.odocl ../../lib/uring/.uring.objs/byte/uring.odoc)
File "lib/uring/heap.mli", line 31, characters 4-58:
Warning: Failed to resolve reference unresolvedroot(Invalid_argument) Couldn't find "Invalid_argument"
File "lib/uring/uring.mli", line 874, characters 4-50:
Warning: Failed to resolve reference unresolvedroot(Unix).Unix_error Couldn't find "Unix"
File "lib/uring/uring.mli", line 781, characters 4-66:
Warning: Failed to resolve reference unresolvedroot(Invalid_argument) Couldn't find "Invalid_argument"
File "lib/uring/uring.mli", line 748, characters 4-102:
Warning: Failed to resolve reference unresolvedroot(Invalid_argument) Couldn't find "Invalid_argument"
File "lib/uring/uring.mli", line 694, characters 4-51:
Warning: Failed to resolve reference unresolvedroot(Invalid_argument) Couldn't find "Invalid_argument"
File "lib/uring/uring.mli", line 440, characters 4-64:
Warning: Failed to resolve reference unresolvedroot(Invalid_argument) Couldn't find "Invalid_argument"
File "lib/uring/uring.mli", line 425, characters 4-64:
Warning: Failed to resolve reference unresolvedroot(Invalid_argument) Couldn't find "Invalid_argument"
File "lib/uring/uring.mli", line 406, characters 72-92:
Warning: Failed to resolve reference unresolvedroot(Optint).Int63.zero Couldn't find "Optint"
File "lib/uring/uring.mli", line 405, characters 27-52:
Warning: Failed to resolve reference unresolvedroot(Optint).Int63.minus_one Couldn't find "Optint"
File "lib/uring/uring.mli", line 392, characters 72-92:
Warning: Failed to resolve reference unresolvedroot(Optint).Int63.zero Couldn't find "Optint"
File "lib/uring/uring.mli", line 391, characters 27-52:
Warning: Failed to resolve reference unresolvedroot(Optint).Int63.minus_one Couldn't find "Optint"
File "lib/uring/uring.mli", line 298, characters 52-66:
Warning: Failed to resolve reference unresolvedroot(Unix).EAGAIN Couldn't find "Unix"
File "lib/uring/uring.mli", line 213, characters 50-63:
Warning: Failed to resolve reference unresolvedroot(Unix).ELOOP Couldn't find "Unix"
File "lib/uring/uring.mli", line 202, characters 30-43:
Warning: Failed to resolve reference unresolvedroot(Unix).EBUSY Couldn't find "Unix"
File "lib/uring/uring.mli", line 199, characters 19-33:
Warning: Failed to resolve reference unresolvedroot(Unix).EEXIST Couldn't find "Unix"
File "lib/uring/uring.mli", line 129, characters 4-65:
Warning: Failed to resolve reference unresolvedroot(Invalid_argument) Couldn't find "Invalid_argument"
File "lib/uring/uring.mli", line 106, character 4 to line 107, character 65:
Warning: Failed to resolve reference unresolvedroot(Invalid_argument) Couldn't find "Invalid_argument"
File "lib/uring/uring.mli", line 95, characters 4-66:
Warning: Failed to resolve reference unresolvedroot(Unix).Unix_error Couldn't find "Unix"
File "lib/uring/region.mli", line 47, characters 58-69:
Warning: Failed to resolve reference unresolvedroot(Bigarray) Couldn't find "Bigarray"
2025-09-28 08:51.04 ---> saved as "f4da273991ab3d3a5ecda78b69978a26043a3b6ca4060e4b858f6c53ab272987"
Job succeeded
2025-09-28 08:51.04: Job succeeded