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2025-09-23 10:14.38: New job: test ocaml-multicore/ocaml-uring https://github.com/ocaml-multicore/ocaml-uring.git#refs/heads/main (c95951dbd6984a33e01f17b2e34bad17fb75b8d0) (linux-x86_64:(lower-bound))
Base: ocaml/opam:debian-13-ocaml-4.12@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ocaml-multicore/ocaml-uring.git" -b "main" && cd "ocaml-uring" && git reset --hard c95951db
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-2.4 /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 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.0.1.0 bigarray-compat.1.0.0 camlp-streams.5.0.1 cmdliner.1.3.0 conf-m4.1 cppo.1.6.1 csexp.1.3.2 cstruct.6.0.1 dune.3.5.0 dune-configurator.2.5.1 dune-private-libs.2.5.1 fmt.0.9.0 jbuilder.1.0+beta20.1 logs.0.7.0 lwt.5.4.0 mdx.2.1.0 mmap.1.1.0 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.3.5.0 ocamlbuild.0.14.0 ocamlfind.1.8.1 ocplib-endian.1.0 odoc-parser.1.0.1 optint.0.3.0 re.1.7.2 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.4 --depext-only -y uring.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


2025-09-23 10:14.38: Using cache hint "ocaml-multicore/ocaml-uring-ocaml/opam:debian-13-ocaml-4.12@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072-debian-13-4.12_opam-2.4-ac15696cd39a228ff5415c066d4fb51e"
2025-09-23 10:14.38: 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-2.4 /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 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.0.1.0 bigarray-compat.1.0.0 camlp-streams.5.0.1 cmdliner.1.3.0 conf-m4.1 cppo.1.6.1 csexp.1.3.2 cstruct.6.0.1 dune.3.5.0 dune-configurator.2.5.1 dune-private-libs.2.5.1 fmt.0.9.0 jbuilder.1.0+beta20.1 logs.0.7.0 lwt.5.4.0 mdx.2.1.0 mmap.1.1.0 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.3.5.0 ocamlbuild.0.14.0 ocamlfind.1.8.1 ocplib-endian.1.0 odoc-parser.1.0.1 optint.0.3.0 re.1.7.2 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8")
(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 uring.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"))
)


2025-09-23 10:14.38: Waiting for resource in pool OCluster
2025-09-23 10:14.38: Waiting for worker…
2025-09-23 10:34.36: Got resource from pool OCluster
Building on eumache
All commits already cached
HEAD is now at c95951d Merge pull request #122 from talex5/setup-flags


(from ocaml/opam:debian-13-ocaml-4.12@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072)
Unable to find image 'ocaml/opam:debian-13-ocaml-4.12@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072' locally
docker.io/ocaml/opam@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072: Pulling from ocaml/opam
41943b02295d: Already exists
Digest: sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072
Status: Downloaded newer image for ocaml/opam@sha256:b709571f8d07162fc471b175be263d529890a0150dd657404f898fbbebe5e072
2025-09-23 10:34.37 ---> 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-2.4 /usr/bin/opam"))
2025-09-23 10:34.37 ---> using "0194b460d1d42cc768a2a3d6210b0c4471f1f01c519ddc450f12e442f54298ab" 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
2025-09-23 10:35.01 ---> saved as "bb9d1d41f3b5d56483f5de84304468dab93822ce334f32fcb693dd228eb38a68"


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 5.15.0-131-generic
The OCaml toplevel, version 4.12.1
2.4.1
2025-09-23 10:35.02 ---> saved as "6a5ad51d62c914dfc5542399005b724d8d5164e46c0576c50138ea80f8edbab2"


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-09-23 10:35.02 ---> saved as "3d8f89e4906e6950a700e9b423f364773fea28ad4c64f372e028ffbbbc7ab74e"


/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..3f21ebe342  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 at these versions (e.g. "opam upgrade ocaml.5.3.0"), which will ask permission to downgrade or uninstall the conflicting packages.
Nothing to do.
# To update the current shell environment, run: eval $(opam env)
2025-09-23 10:35.27 ---> saved as "be57b88b379847c40c2ace7712cb9a063e630c41ab7fc3eba4d3e4071462aa8c"


/src: (copy (src uring.opam) (dst ./))
2025-09-23 10:35.28 ---> saved as "45b2dd67040a1704df2ada50f08e97e42df26084749b607f16828a528d17bd04"


/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)
2025-09-23 10:35.30 ---> saved as "a79009ab74215f2fcac52675269689979376e8373e37fbcdb243dace7e55346a"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-09-23 10:35.30 ---> saved as "bd871bdd528f0a61403fc78bc4adc8b7f0588166cd59d2586b142740ed4255c1"


/src: (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bechamel.0.1.0 bigarray-compat.1.0.0 camlp-streams.5.0.1 cmdliner.1.3.0 conf-m4.1 cppo.1.6.1 csexp.1.3.2 cstruct.6.0.1 dune.3.5.0 dune-configurator.2.5.1 dune-private-libs.2.5.1 fmt.0.9.0 jbuilder.1.0+beta20.1 logs.0.7.0 lwt.5.4.0 mdx.2.1.0 mmap.1.1.0 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.3.5.0 ocamlbuild.0.14.0 ocamlfind.1.8.1 ocplib-endian.1.0 odoc-parser.1.0.1 optint.0.3.0 re.1.7.2 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8")


/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 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 [45.7 kB]
- Fetched 136 kB in 0s (1189 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).


The following system packages will first need to be installed:
m4


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


+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "m4"
- Selecting previously unselected package m4.
- (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 20622 files and directories currently installed.)
- Preparing to unpack .../archives/m4_1.4.19-8_amd64.deb ...
- Unpacking m4 (1.4.19-8) ...
- Setting up m4 (1.4.19-8) ...
2025-09-23 10:35.48 ---> saved as "e5ad322aefd8328acee71777003665c192a1c34261f33eb91d22dcbe8b0ca813"


/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 30 packages
- install astring           0.8.5
- install base-bytes        base
- install bechamel          0.1.0
- install bigarray-compat   1.0.0
- install camlp-streams     5.0.1
- install cmdliner          1.3.0
- install conf-m4           1
- install cppo              1.6.1
- install csexp             1.3.2
- install cstruct           6.0.1
- install dune              3.5.0
- install dune-configurator 2.5.1
- install dune-private-libs 2.5.1
- install fmt               0.9.0
- install jbuilder          1.0+beta20.1 (deprecated)
- install logs              0.7.0
- install lwt               5.4.0
- install mdx               2.1.0
- install mmap              1.1.0
- install ocaml-version     3.5.0
- install ocamlbuild        0.14.0
- install ocamlfind         1.8.1
- install ocplib-endian     1.0
- install odoc-parser       1.0.1
- install optint            0.3.0
- install re                1.7.2
- install result            1.5
- install seq               0.3
- install stdlib-shims      0.1.0
- install topkg             1.0.8


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved astring.0.8.5  (cached)
-> retrieved bechamel.0.1.0  (cached)
-> retrieved bigarray-compat.1.0.0  (cached)
-> retrieved camlp-streams.5.0.1  (cached)
-> installed conf-m4.1
-> retrieved cmdliner.1.3.0  (cached)
-> retrieved cppo.1.6.1  (cached)
-> retrieved csexp.1.3.2  (cached)
-> retrieved cstruct.6.0.1  (cached)
-> retrieved fmt.0.9.0  (cached)
-> retrieved jbuilder.1.0+beta20.1  (cached)
-> retrieved dune-configurator.2.5.1, dune-private-libs.2.5.1  (cached)
-> retrieved dune.3.5.0  (cached)
-> retrieved logs.0.7.0  (cached)
-> retrieved lwt.5.4.0  (cached)
-> retrieved mdx.2.1.0  (cached)
-> retrieved mmap.1.1.0  (cached)
-> retrieved ocaml-version.3.5.0  (cached)
-> retrieved ocplib-endian.1.0  (cached)
-> retrieved ocamlbuild.0.14.0  (cached)
-> installed cmdliner.1.3.0
-> retrieved ocamlfind.1.8.1  (cached)
-> retrieved odoc-parser.1.0.1  (cached)
-> retrieved optint.0.3.0  (cached)
-> retrieved re.1.7.2  (cached)
-> retrieved result.1.5  (cached)
-> retrieved seq.0.3  (cached)
-> retrieved stdlib-shims.0.1.0  (cached)
-> retrieved topkg.1.0.8  (cached)
-> installed ocamlfind.1.8.1
-> installed base-bytes.base
-> installed ocamlbuild.0.14.0
-> installed jbuilder.1.0+beta20.1
-> installed cppo.1.6.1
-> installed re.1.7.2
-> installed topkg.1.0.8
-> installed fmt.0.9.0
-> installed astring.0.8.5
-> installed dune.3.5.0
-> installed ocplib-endian.1.0
-> installed bigarray-compat.1.0.0
-> installed camlp-streams.5.0.1
-> installed mmap.1.1.0
-> installed ocaml-version.3.5.0
-> installed optint.0.3.0
-> installed result.1.5
-> installed seq.0.3
-> installed stdlib-shims.0.1.0
-> installed csexp.1.3.2
-> installed cstruct.6.0.1
-> installed odoc-parser.1.0.1
-> installed bechamel.0.1.0
-> installed dune-private-libs.2.5.1
-> installed dune-configurator.2.5.1
-> installed lwt.5.4.0
-> installed logs.0.7.0
-> installed mdx.2.1.0
Done.


<><> jbuilder.1.0+beta20.1 installed successfully <><><><><><><><><><><><><><><>
=> Note: This package is deprecated.
# To update the current shell environment, run: eval $(opam env)
2025-09-23 10:36.37 ---> saved as "3a603fa89dddc7c6ebdf03229732d477c3928fe5c20f757c189b518e17e58bdc"


/src: (copy (src .) (dst /src))
2025-09-23 10:36.37 ---> saved as "364ce6cbb83f451691255950dc9eb37d3525cee8f5378a005a2025e137f62891"


/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
File "/home/opam/.opam/4.12/lib/re/re.dune", line 1, characters 0-0:
Warning: .dune files are ignored since 2.0. Reinstall the library with dune
>= 2.0 to get rid of this warning and enable support for the subsystem this
library provides.
File "/home/opam/.opam/4.12/lib/re/emacs/re.emacs.dune", line 1, characters 0-0:
Warning: .dune files are ignored since 2.0. Reinstall the library with dune
>= 2.0 to get rid of this warning and enable support for the subsystem this
library provides.
File "/home/opam/.opam/4.12/lib/re/glob/re.glob.dune", line 1, characters 0-0:
Warning: .dune files are ignored since 2.0. Reinstall the library with dune
>= 2.0 to get rid of this warning and enable support for the subsystem this
library provides.
File "/home/opam/.opam/4.12/lib/re/pcre/re.pcre.dune", line 1, characters 0-0:
Warning: .dune files are ignored since 2.0. Reinstall the library with dune
>= 2.0 to get rid of this warning and enable support for the subsystem this
library provides.
File "/home/opam/.opam/4.12/lib/re/perl/re.perl.dune", line 1, characters 0-0:
Warning: .dune files are ignored since 2.0. Reinstall the library with dune
>= 2.0 to get rid of this warning and enable support for the subsystem this
library provides.
File "/home/opam/.opam/4.12/lib/re/posix/re.posix.dune", line 1, characters 0-0:
Warning: .dune files are ignored since 2.0. Reinstall the library with dune
>= 2.0 to get rid of this warning and enable support for the subsystem this
library provides.
File "/home/opam/.opam/4.12/lib/re/str/re.str.dune", line 1, characters 0-0:
Warning: .dune files are ignored since 2.0. Reinstall the library with dune
>= 2.0 to get rid of this warning and enable support for the subsystem this
library provides.
(cd _build/default/vendor/liburing && ./configure)
prefix                        /usr
includedir                    /usr/include
libdir                        /usr/lib
libdevdir                     /usr/lib
relativelibdir
mandir                        /usr/man
datadir                       /usr/share
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
nolibc support                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 register.ol
CC syscall.ol
CC nolibc.ol
CC version.ol
CC ffi.ol
CC setup.os
CC queue.os
CC register.os
CC syscall.os
CC version.os
CC nolibc.os
CC ffi.os
AR liburing.a
ar: creating liburing.a
CC liburing.so.2.4
RANLIB liburing.a
AR liburing-ffi.a
ar: creating liburing-ffi.a
CC liburing-ffi.so.2.4
RANLIB liburing-ffi.a
make: Leaving directory '/src/_build/default/vendor/liburing/src'
(cd _build/default/tests && ./poll_add.exe)
submitted 1
poll_add: 1
2025-09-23 10:36.48 ---> saved as "8a4d7415351c9b2b91ce27e88cb286cf7256a81ee2c8d4f2262e53f02b8f37f1"
Job succeeded
2025-09-23 10:36.48: Job succeeded