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2026-04-13 10:23.09: New job: test ahrefs/monorobot https://github.com/ahrefs/monorobot.git#refs/heads/re2-2-re (4c3f4eb0fc0d387b4c5d59b40856258d34272921) (linux-x86_64:(lower-bound))
Base: ocaml/opam:debian-13-ocaml-4.14@sha256:ec5999d94ff5da2754b2d163583ef868ccaefbaaabbe66412fde8712ae6f5126
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ahrefs/monorobot.git" -b "re2-2-re" && cd "monorobot" && git reset --hard 4c3f4eb0
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:ec5999d94ff5da2754b2d163583ef868ccaefbaaabbe66412fde8712ae6f5126
# debian-13-4.14_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 dfabc62ce959654b104432183a6053f22cd133ac || git fetch origin master) && git reset -q --hard dfabc62ce959654b104432183a6053f22cd133ac && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 monorobot.opam ./
RUN opam pin add -yn monorobot.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="asn1-combinators.0.3.1 astring.0.8.5 atd.2.14.0 atdgen.2.14.0 atdgen-runtime.2.14.0 base-bigarray.base base-bytes.base base-threads.base base-unix.base base64.3.3.0 biniou.1.1.0 camlp4.4.14+1 camlzip.1.07 cmdliner.1.3.0 conf-gmp.5 conf-gmp-powm-sec.4 conf-libcurl.1 conf-libevent.1 conf-libpcre.1 conf-pkg-config.1.0 conf-sqlite3.1 conf-which.1 cppo.1.6.1 csexp.1.5.1 cstruct.3.3.0 curl.0.10.0 curl_lwt.0.10.0 devkit.1.20240429 digestif.1.3.0 domain-name.0.3.0 dune.3.12.1 dune-configurator.3.18.2 duration.0.2.1 easy-format.1.0.1 eqaf.0.8 extlib.1.7.8 extunix.0.1.5 fmt.0.8.8 gmap.0.3.0 ipaddr.5.6.0 jbuilder.1.0+beta20.1 kdf.1.0.0 libevent.0.8.0 logs.0.7.0 lwt.5.7.0 lwt_ppx.5.8.0 macaddr.5.6.0 menhir.20180528 mirage-crypto.2.0.2 mirage-crypto-ec.2.0.2 mirage-crypto-pk.2.0.2 mirage-crypto-rng.2.0.2 mybuild.5 num.1.5 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-compiler-libs.v0.11.0 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.14.0 ocamldiff.1.2 ocamlfind.1.9.1 ocplib-endian.1.0 ocurl.transition ohex.0.2.0 omd.1.3.1 ounit.2.2.0 ounit2.2.2.0 parsexp.v0.16.0 pcre.7.1.3 ppx_derivers.1.0 ppx_deriving.5.2 ppxlib.0.24.0 ptime.1.2.0 re.1.9.0 result.1.5 seq.0.3 sexplib.v0.16.0 sexplib0.v0.16.0 sqlgg.20231201 sqlite3.5.1.0 stdlib-shims.0.1.0 stringext.1.4.0 topkg.1.0.8 trace.0.4 uri.3.0.0 x509.1.0.6 yojson.2.0.2 zarith.1.13"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.5 --depext-only -y monorobot.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


2026-04-13 10:23.09: Using cache hint "ahrefs/monorobot-ocaml/opam:debian-13-ocaml-4.14@sha256:ec5999d94ff5da2754b2d163583ef868ccaefbaaabbe66412fde8712ae6f5126-debian-13-4.14_opam-2.5-8fbabb878fd7fec473bad806a8861680"
2026-04-13 10:23.09: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:ec5999d94ff5da2754b2d163583ef868ccaefbaaabbe66412fde8712ae6f5126)
(comment debian-13-4.14_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 dfabc62ce959654b104432183a6053f22cd133ac || git fetch origin master) && git reset -q --hard dfabc62ce959654b104432183a6053f22cd133ac && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src monorobot.opam) (dst ./))
(run (network host)
(shell "opam pin add -yn monorobot.dev './'"))
(run (shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "asn1-combinators.0.3.1 astring.0.8.5 atd.2.14.0 atdgen.2.14.0 atdgen-runtime.2.14.0 base-bigarray.base base-bytes.base base-threads.base base-unix.base base64.3.3.0 biniou.1.1.0 camlp4.4.14+1 camlzip.1.07 cmdliner.1.3.0 conf-gmp.5 conf-gmp-powm-sec.4 conf-libcurl.1 conf-libevent.1 conf-libpcre.1 conf-pkg-config.1.0 conf-sqlite3.1 conf-which.1 cppo.1.6.1 csexp.1.5.1 cstruct.3.3.0 curl.0.10.0 curl_lwt.0.10.0 devkit.1.20240429 digestif.1.3.0 domain-name.0.3.0 dune.3.12.1 dune-configurator.3.18.2 duration.0.2.1 easy-format.1.0.1 eqaf.0.8 extlib.1.7.8 extunix.0.1.5 fmt.0.8.8 gmap.0.3.0 ipaddr.5.6.0 jbuilder.1.0+beta20.1 kdf.1.0.0 libevent.0.8.0 logs.0.7.0 lwt.5.7.0 lwt_ppx.5.8.0 macaddr.5.6.0 menhir.20180528 mirage-crypto.2.0.2 mirage-crypto-ec.2.0.2 mirage-crypto-pk.2.0.2 mirage-crypto-rng.2.0.2 mybuild.5 num.1.5 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-compiler-libs.v0.11.0 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.14.0 ocamldiff.1.2 ocamlfind.1.9.1 ocplib-endian.1.0 ocurl.transition ohex.0.2.0 omd.1.3.1 ounit.2.2.0 ounit2.2.2.0 parsexp.v0.16.0 pcre.7.1.3 ppx_derivers.1.0 ppx_deriving.5.2 ppxlib.0.24.0 ptime.1.2.0 re.1.9.0 result.1.5 seq.0.3 sexplib.v0.16.0 sexplib0.v0.16.0 sqlgg.20231201 sqlite3.5.1.0 stdlib-shims.0.1.0 stringext.1.4.0 topkg.1.0.8 trace.0.4 uri.3.0.0 x509.1.0.6 yojson.2.0.2 zarith.1.13")
(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 monorobot.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"))
)


2026-04-13 10:23.09: Waiting for resource in pool OCluster
2026-04-13 11:56.07: Waiting for worker…
2026-04-13 12:19.04: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
HEAD is now at 4c3f4eb Merge branch 'master' into re2-2-re


(from ocaml/opam:debian-13-ocaml-4.14@sha256:ec5999d94ff5da2754b2d163583ef868ccaefbaaabbe66412fde8712ae6f5126)
Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:ec5999d94ff5da2754b2d163583ef868ccaefbaaabbe66412fde8712ae6f5126' locally
docker.io/ocaml/opam@sha256:ec5999d94ff5da2754b2d163583ef868ccaefbaaabbe66412fde8712ae6f5126: Pulling from ocaml/opam
8f6ad858d0a4: Already exists
9cb5e198c8cf: Already exists
2d346d36dcf2: Already exists
cdc35e289b8d: Already exists
aeb7244bb580: Already exists
fc1943254a0d: Already exists
84238c416f8e: Already exists
fbbfe75d3112: Already exists
221fdc5d9929: Already exists
1fec9149b52a: Already exists
9c6e52557f24: Already exists
8737f5036aae: Already exists
d69c4074de14: Already exists
7237152a5f04: Already exists
fba4b414d8a0: Already exists
40d552afb3ef: Already exists
077cc17dc8e4: Already exists
077cc17dc8e4: Already exists
169e1be36a55: Already exists
0a8a005097ab: Already exists
caba3ec4b361: Already exists
6a364dc641f8: Already exists
4f4fb700ef54: Already exists
ab8052928cdc: Already exists
f5717a28dd6a: Already exists
79233a9b9bed: Already exists
d832d53e7392: Already exists
1872dad82243: Already exists
bfd849b08ba7: Already exists
834a8024ef15: Already exists
98ccec79258b: Already exists
fb48f36a0542: Already exists
3688b13db8e7: Already exists
a5c099f5f72c: Already exists
1ff1760de5b0: Already exists
98eec6764aa5: Already exists
aa22ae69debd: Already exists
12bfb7b962a2: Already exists
ec25ce9bb816: Already exists
beadd3cf7357: Already exists
d0d0c65a426d: Already exists
27080da82c6b: Pulling fs layer
3b99adeb504e: Pulling fs layer
867c8a52ad10: Pulling fs layer
01ca275a6ca2: Pulling fs layer
01ca275a6ca2: Waiting
3b99adeb504e: Verifying Checksum
3b99adeb504e: Download complete
867c8a52ad10: Verifying Checksum
867c8a52ad10: Download complete
01ca275a6ca2: Verifying Checksum
01ca275a6ca2: Download complete
27080da82c6b: Verifying Checksum
27080da82c6b: Download complete
27080da82c6b: Pull complete
3b99adeb504e: Pull complete
867c8a52ad10: Pull complete
01ca275a6ca2: Pull complete
Digest: sha256:ec5999d94ff5da2754b2d163583ef868ccaefbaaabbe66412fde8712ae6f5126
Status: Downloaded newer image for ocaml/opam@sha256:ec5999d94ff5da2754b2d163583ef868ccaefbaaabbe66412fde8712ae6f5126
2026-04-13 12:19.04 ---> using "d0e330c08fa445d83f06df86dbe749aac73c20b9c3be340824d01a143f189b82" from cache


/: (comment debian-13-4.14_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"))
2026-04-13 12:19.04 ---> using "f59e5580f17ca54c6c0f0e8726a93a153599c5e1ef8bf3f75a71ea998e4d5bd4" 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
2026-04-13 12:19.04 ---> using "e5f050c685be6325713c9c81ec0604f69b60a3eb2e3c52aa4f8819fabb9fa2cd" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-106-generic
The OCaml toplevel, version 4.14.3
2.5.0
2026-04-13 12:19.04 ---> using "71c131cebc84b80d37c64736b2b671e51b17c599ce05b0c60675c940259a4b2d" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-04-13 12:19.04 ---> using "a5f96b2cefe3b06adfa1cbb2cf3eb286dd052053da8bf6c0b210857fc5d42690" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e dfabc62ce959654b104432183a6053f22cd133ac || git fetch origin master) && git reset -q --hard dfabc62ce959654b104432183a6053f22cd133ac && git log --no-decorate -n1 --oneline && opam update -u"))
dfabc62ce9 Merge pull request #29552 from mjambon/release-atd-4.0.0


<><> 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.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages.
Nothing to do.
# To update the current shell environment, run: eval $(opam env)
2026-04-13 12:19.27 ---> saved as "e4d3749802ae838789a42bfbbdcc8f225c45b454e0e628691b6d7f2b72d3da1b"


/src: (copy (src monorobot.opam) (dst ./))
2026-04-13 12:19.28 ---> saved as "69d5977fcdaa98f3b4f8b955ac1b5636029a12b5da7d2f83cf1699ddbe872ef7"


/src: (run (network host)
(shell "opam pin add -yn monorobot.dev './'"))
[monorobot.dev] synchronised (file:///src)
monorobot is now pinned to file:///src (version dev)
2026-04-13 12:19.31 ---> saved as "73cb3e2e67cf1434ffc155c082bb4b8766ff33236c6039950b592cd155cc0653"


/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-04-13 12:19.31 ---> saved as "1a9f49f331baf8cd9b3ab641a05fbb2f0c9ead40069f0de746f1383c188ee044"


/src: (env DEPS "asn1-combinators.0.3.1 astring.0.8.5 atd.2.14.0 atdgen.2.14.0 atdgen-runtime.2.14.0 base-bigarray.base base-bytes.base base-threads.base base-unix.base base64.3.3.0 biniou.1.1.0 camlp4.4.14+1 camlzip.1.07 cmdliner.1.3.0 conf-gmp.5 conf-gmp-powm-sec.4 conf-libcurl.1 conf-libevent.1 conf-libpcre.1 conf-pkg-config.1.0 conf-sqlite3.1 conf-which.1 cppo.1.6.1 csexp.1.5.1 cstruct.3.3.0 curl.0.10.0 curl_lwt.0.10.0 devkit.1.20240429 digestif.1.3.0 domain-name.0.3.0 dune.3.12.1 dune-configurator.3.18.2 duration.0.2.1 easy-format.1.0.1 eqaf.0.8 extlib.1.7.8 extunix.0.1.5 fmt.0.8.8 gmap.0.3.0 ipaddr.5.6.0 jbuilder.1.0+beta20.1 kdf.1.0.0 libevent.0.8.0 logs.0.7.0 lwt.5.7.0 lwt_ppx.5.8.0 macaddr.5.6.0 menhir.20180528 mirage-crypto.2.0.2 mirage-crypto-ec.2.0.2 mirage-crypto-pk.2.0.2 mirage-crypto-rng.2.0.2 mybuild.5 num.1.5 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-compiler-libs.v0.11.0 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.14.0 ocamldiff.1.2 ocamlfind.1.9.1 ocplib-endian.1.0 ocurl.transition ohex.0.2.0 omd.1.3.1 ounit.2.2.0 ounit2.2.2.0 parsexp.v0.16.0 pcre.7.1.3 ppx_derivers.1.0 ppx_deriving.5.2 ppxlib.0.24.0 ptime.1.2.0 re.1.9.0 result.1.5 seq.0.3 sexplib.v0.16.0 sexplib0.v0.16.0 sqlgg.20231201 sqlite3.5.1.0 stdlib-shims.0.1.0 stringext.1.4.0 topkg.1.0.8 trace.0.4 uri.3.0.0 x509.1.0.6 yojson.2.0.2 zarith.1.13")


/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 monorobot.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 [122 kB]
- Fetched 213 kB in 0s (1105 kB/s)
- Reading package lists...
- 


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[monorobot.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 4.14.3).
[NOTE] Package ocaml is already installed (current version is 4.14.3).
[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).
[ERROR] Package conf-libpcre.1 depends on the unavailable system package 'libpcre3-dev'. You can use `--no-depexts' to attempt installation anyway.
"/usr/bin/env" "bash" "-c" "opam update --depexts && opam install --cli=2.5 --depext-only -y monorobot.dev $DEPS" failed with exit status 5
2026-04-13 12:19.38: Job failed: Failed: Build failed