2026-04-03 11:37.23: New job: test hannesm/duration https://github.com/hannesm/duration.git#refs/pull/10/head (a9e8c72cdcaa32af30d44eed31048dd000d15a80) (linux-x86_64:debian-13-4.09_opam-2.5)Base: ocaml/opam:debian-13-ocaml-4.09@sha256:41e6dcf5676516f92abac434470e80894b320cb1a1eec6b73d3502806da6053aOpam project buildTo reproduce locally:git clone --recursive "https://github.com/hannesm/duration.git" && cd "duration" && git fetch origin "refs/pull/10/head" && git reset --hard a9e8c72ccat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-4.09@sha256:41e6dcf5676516f92abac434470e80894b320cb1a1eec6b73d3502806da6053a# debian-13-4.09_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 duration.opam ./RUN opam pin add -yn duration.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-threads.base base-unix.base cmdliner.2.1.0 dune.3.22.1 fmt.0.11.0 ocaml.4.09.1 ocaml-base-compiler.4.09.1 ocaml-config.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.11.0 seq.base stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y duration.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-03 11:37.23: Using cache hint "hannesm/duration-ocaml/opam:debian-13-ocaml-4.09@sha256:41e6dcf5676516f92abac434470e80894b320cb1a1eec6b73d3502806da6053a-debian-13-4.09_opam-2.5-6698fd8798ac1aa96502c20abb5aec57"2026-04-03 11:37.23: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-4.09@sha256:41e6dcf5676516f92abac434470e80894b320cb1a1eec6b73d3502806da6053a)(comment debian-13-4.09_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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src duration.opam) (dst ./))(run (network host)(shell "opam pin add -yn duration.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-threads.base base-unix.base cmdliner.2.1.0 dune.3.22.1 fmt.0.11.0 ocaml.4.09.1 ocaml-base-compiler.4.09.1 ocaml-config.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.11.0 seq.base stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4")(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 duration.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")))2026-04-03 11:37.23: Waiting for resource in pool OCluster2026-04-03 19:20.29: Waiting for worker…2026-04-03 19:23.45: Got resource from pool OClusterBuilding on odawa.caelum.ci.devAll commits already cachedHEAD is now at a9e8c72 Add of_string_exn(from ocaml/opam:debian-13-ocaml-4.09@sha256:41e6dcf5676516f92abac434470e80894b320cb1a1eec6b73d3502806da6053a)2026-04-03 19:44.18 ---> using "28cee70f2eb4fa8fb33112744eaac147d7365d8f1114c87e4f5433c6be525f95" from cache/: (comment debian-13-4.09_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-04-03 19:44.18 ---> using "d7cee649f336d71aa3726e62bdb6a364a02d146071185f01540869da6a982fd9" 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[NOTE] The 'jobs' option was reset, its value was 71 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:opam option jobs=71 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-04-03 19:44.18 ---> using "68cdfb3c36ad9377e690d20a6d8149a4aea9e0d453e8185e4b85700889e99432" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-106-genericThe OCaml toplevel, version 4.09.12.5.02026-04-03 19:44.18 ---> using "985d32b69c550867434ec7960bff23e0d2769e6b050fcc5c1283e230e25bf21f" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-03 19:44.18 ---> using "70cf2f285c5eb2c41fecac9825d8db8fc82e3e303ed9d956e2f89343a8ebc805" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADffb54b9bdd..d28e8bf13a master -> origin/masterd06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything 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.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-04-03 19:44.18 ---> using "79d44cb1a2e9538fbd975391d8fba9e4d8e49ac69fc8d869b99a53c9a12008e4" from cache/src: (copy (src duration.opam) (dst ./))2026-04-03 19:44.18 ---> using "36654d05a8012816cb665f1b482befe7271768177b452c05028af81681de4655" from cache/src: (run (network host)(shell "opam pin add -yn duration.dev './'"))[duration.dev] synchronised (file:///src)duration is now pinned to file:///src (version dev)2026-04-03 19:44.18 ---> using "c576a12585dfe4de7f7d4f003afe3d656b03c32430f2114d953ceba77aaea3e0" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-03 19:44.18 ---> using "3147742d4d019353721f1e38b8fbcfd9f9dba1974453339f6497a2abd63aa116" from cache/src: (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-threads.base base-unix.base cmdliner.2.1.0 dune.3.22.1 fmt.0.11.0 ocaml.4.09.1 ocaml-base-compiler.4.09.1 ocaml-config.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.11.0 seq.base stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4")/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=2.5 --depext-only -y duration.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Get:1 http://deb.debian.org/debian trixie InRelease [140 kB]- 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 trixie/main amd64 Packages [9671 kB]- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [119 kB]- Fetched 10.0 MB in 1s (9840 kB/s)- Reading package lists...<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[duration.dev] synchronised (file:///src)[NOTE] Package ocaml-config is already installed (current version is 1).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.09.1).[NOTE] Package ocaml is already installed (current version is 4.09.1).[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).# To update the current shell environment, run: eval $(opam env)2026-04-03 19:44.18 ---> using "04e26828ed837e715a4d6485ac1eeed523abb7aaeec9a3502e28b6849ad9deef" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-config is already installed (current version is 1).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.09.1).[NOTE] Package ocaml is already installed (current version is 4.09.1).[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 13 packages- install alcotest 1.9.1- install astring 0.8.5- install cmdliner 2.1.0- install dune 3.22.1- install fmt 0.11.0- install ocaml-syntax-shims 1.0.0- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install re 1.11.0- install seq base- install stdlib-shims 0.3.0- install topkg 1.1.1- install uutf 1.0.4<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved alcotest.1.9.1 (cached)-> retrieved astring.0.8.5 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved seq.base (cached)-> installed seq.base-> retrieved re.1.11.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved uutf.1.0.4 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved dune.3.22.1 (cached)-> installed cmdliner.2.1.0-> installed ocamlbuild.0.16.1-> installed ocamlfind.1.9.8-> installed topkg.1.1.1-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed astring.0.8.5-> installed dune.3.22.1-> installed stdlib-shims.0.3.0-> installed ocaml-syntax-shims.1.0.0-> installed re.1.11.0-> installed alcotest.1.9.1Done.# To update the current shell environment, run: eval $(opam env)2026-04-03 19:44.18 ---> using "5ff9696dd4f006aa7d601f60cf56e68bf509ce675b7d9048be17a59ae9b7976a" from cache/src: (copy (src .) (dst /src))2026-04-03 19:44.19 ---> saved as "d46ac2915db93871bd4b329bde1945c69692612f53ef5c1f35e1529632a44eb2"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /home/opam/.opam/4.09/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -I .duration.objs/byte -intf-suffix .ml -no-alias-deps -opaque -o .duration.objs/byte/duration.cmo -c -impl duration.ml)File "duration.ml", line 200, characters 11-25:200 | if String.for_all is_digit v = false && String.length v > 0^^^^^^^^^^^^^^Error: Unbound value String.for_all(cd _build/default && /home/opam/.opam/4.09/bin/ocamlopt.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -I .duration.objs/byte -I .duration.objs/native -intf-suffix .ml -no-alias-deps -opaque -o .duration.objs/native/duration.cmx -c -impl duration.ml)File "duration.ml", line 200, characters 11-25:200 | if String.for_all is_digit v = false && String.length v > 0^^^^^^^^^^^^^^Error: Unbound value String.for_all"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-04-03 19:44.19: Job failed: Failed: Build failed