(lower-bound)

2026-01-09 21:43.43: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/heads/main (c44ee5ce96c120b7ccc23a12d241dc8672e2888f) (linux-x86_64:(lower-bound))
Base: ocaml/opam:debian-13-ocaml-5.2@sha256:9af90c5283bf719e1a1f7a134db0529a98b608b10a01ce5a4bad59d6f2464dc2
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ocaml-multicore/eio.git" -b "main" && cd "eio" && git reset --hard c44ee5ce
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.2@sha256:9af90c5283bf719e1a1f7a134db0529a98b608b10a01ce5a4bad59d6f2464dc2
# debian-13-5.2_opam-2.5
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo ln -f /usr/bin/opam-2.5 /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 2dee2fe30df966714e056f8af164fe0ed7648a63 || git fetch origin master) && git reset -q --hard 2dee2fe30df966714e056f8af164fe0ed7648a63 && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam ./
RUN opam pin add -yn eio_windows.dev './' && \
opam pin add -yn eio_posix.dev './' && \
opam pin add -yn eio_main.dev './' && \
opam pin add -yn eio_linux.dev './' && \
opam pin add -yn eio.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="afl-persistent.1.1 alcotest.1.7.0 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.9.0 camlp-streams.5.0.1 cmdliner.1.3.0 conf-bash.1 conf-pkg-config.1.0 containers.3.7 cppo.1.6.7 crowbar.0.2.1 csexp.1.3.2 cstruct.6.0.1 domain-local-await.0.1.0 dscheck.0.1.0 dune.3.10.0 dune-configurator.2.9.3 either.1.0.0 fmt.0.9.0 hmap.0.8.1 iomux.0.2 kcas.0.3.0 logs.0.7.0 lwt.5.7.0 lwt-dllist.1.0.0 mdx.2.4.1 mtime.2.1.0 ocaml.5.2.1 ocaml-base-compiler.5.2.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.3.5.0 ocamlbuild.0.14.3 ocamlfind.1.9.6 ocplib-endian.1.1 optint.0.3.0 oseq.0.4.1 psq.0.2.0 re.1.9.0 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8 uring.0.9 uutf.1.0.3 yojson.2.0.2"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.5 --depext-only -y eio_windows.dev eio_posix.dev eio_main.dev eio_linux.dev eio.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


2026-01-09 21:43.43: Using cache hint "ocaml-multicore/eio-ocaml/opam:debian-13-ocaml-5.2@sha256:9af90c5283bf719e1a1f7a134db0529a98b608b10a01ce5a4bad59d6f2464dc2-debian-13-5.2_opam-2.5-d4fae62ccf9050b452fec6a0a2e21e67"
2026-01-09 21:43.43: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.2@sha256:9af90c5283bf719e1a1f7a134db0529a98b608b10a01ce5a4bad59d6f2464dc2)
(comment debian-13-5.2_opam-2.5)
(user (uid 1000) (gid 1000))
(env CLICOLOR_FORCE 1)
(env OPAMCOLOR always)
(workdir /src)
(run (shell "sudo ln -f /usr/bin/opam-2.5 /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 2dee2fe30df966714e056f8af164fe0ed7648a63 || git fetch origin master) && git reset -q --hard 2dee2fe30df966714e056f8af164fe0ed7648a63 && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam)
(dst ./))
(run (network host)
(shell  "opam pin add -yn eio_windows.dev './' && \
\nopam pin add -yn eio_posix.dev './' && \
\nopam pin add -yn eio_main.dev './' && \
\nopam pin add -yn eio_linux.dev './' && \
\nopam pin add -yn eio.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "afl-persistent.1.1 alcotest.1.7.0 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.9.0 camlp-streams.5.0.1 cmdliner.1.3.0 conf-bash.1 conf-pkg-config.1.0 containers.3.7 cppo.1.6.7 crowbar.0.2.1 csexp.1.3.2 cstruct.6.0.1 domain-local-await.0.1.0 dscheck.0.1.0 dune.3.10.0 dune-configurator.2.9.3 either.1.0.0 fmt.0.9.0 hmap.0.8.1 iomux.0.2 kcas.0.3.0 logs.0.7.0 lwt.5.7.0 lwt-dllist.1.0.0 mdx.2.4.1 mtime.2.1.0 ocaml.5.2.1 ocaml-base-compiler.5.2.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.3.5.0 ocamlbuild.0.14.3 ocamlfind.1.9.6 ocplib-endian.1.1 optint.0.3.0 oseq.0.4.1 psq.0.2.0 re.1.9.0 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8 uring.0.9 uutf.1.0.3 yojson.2.0.2")
(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=2.5 --depext-only -y eio_windows.dev eio_posix.dev eio_main.dev eio_linux.dev eio.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"))
)


2026-01-09 21:43.43: Waiting for resource in pool OCluster
2026-01-09 21:43.43: Waiting for worker…
2026-01-09 23:55.42: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
Uncaught exception: Unix.Unix_error(Unix.ENOSPC, "mkdir", "/var/cache/obuilder/ocluster/tmp/build-context-b97206")
2026-01-09 23:55.43: Job failed: Failed: Internal error