(not at the head of any monitored branch or PR)
2026-04-08 03:59.26: New job: build stdcompat.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29667/head (3ff349ae2cd8702ef7a5124f6b5cdbaaf3350d51)
                              on macos-homebrew-ocaml-5.4/arm64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29667/head" && git reset --hard 3ff349ae
git fetch origin master
git merge --no-edit 67472cd54293d750a62d6d4423024d55f77268b0
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM macos-homebrew-ocaml-5.4
USER 1000:1000
RUN ln -f ~/local/bin/opam-dev ~/local/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url -k local --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn stdcompat.0 0
RUN opam reinstall stdcompat.0; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    partial_fails=""; \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"macos-homebrew\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'stdcompat.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1

END-OF-DOCKERFILE
docker build -f ../Dockerfile .

2026-04-08 03:59.26: Using cache hint "macos-homebrew-ocaml-5.4-stdcompat.0-3ff349ae2cd8702ef7a5124f6b5cdbaaf3350d51"
2026-04-08 03:59.26: Using OBuilder spec:
((from macos-homebrew-ocaml-5.4)
 (user (uid 1000) (gid 1000))
 (run (shell "ln -f ~/local/bin/opam-dev ~/local/bin/opam"))
 (run (network host)
      (shell "opam init --reinit -ni"))
 (run (shell "opam option solver=builtin-0install && opam config report"))
 (env OPAMDOWNLOADJOBS 1)
 (env OPAMERRLOGLEN 0)
 (env OPAMPRECISETRACKING 1)
 (env CI true)
 (env OPAM_REPO_CI true)
 (run (shell "rm -rf opam-repository/"))
 (copy (src .) (dst opam-repository/))
 (run (shell "opam repository set-url -k local --strict default opam-repository/"))
 (run (network host)
      (shell "opam update --depexts || true"))
 (run (shell "opam pin add -k version -yn stdcompat.0 0"))
 (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))
      (network host)
      (shell  "opam reinstall stdcompat.0;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        partial_fails=\"\";\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"macos-homebrew\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'stdcompat.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-04-08 03:59.26: Waiting for resource in pool OCluster
2026-04-08 03:59.30: Waiting for worker…
2026-04-08 05:07.27: Got resource from pool OCluster
Building on m1-worker-02
All commits already cached
Updating files:  68% (12747/18636)
Updating files:  69% (12859/18636)
Updating files:  70% (13046/18636)
Updating files:  71% (13232/18636)
Updating files:  72% (13418/18636)
Updating files:  73% (13605/18636)
Updating files:  74% (13791/18636)
Updating files:  75% (13977/18636)
Updating files:  76% (14164/18636)
Updating files:  77% (14350/18636)
Updating files:  78% (14537/18636)
Updating files:  79% (14723/18636)
Updating files:  80% (14909/18636)
Updating files:  81% (15096/18636)
Updating files:  82% (15282/18636)
Updating files:  83% (15468/18636)
Updating files:  84% (15655/18636)
Updating files:  85% (15841/18636)
Updating files:  86% (16027/18636)
Updating files:  87% (16214/18636)
Updating files:  88% (16400/18636)
Updating files:  89% (16587/18636)
Updating files:  90% (16773/18636)
Updating files:  91% (16959/18636)
Updating files:  92% (17146/18636)
Updating files:  93% (17332/18636)
Updating files:  94% (17518/18636)
Updating files:  95% (17705/18636)
Updating files:  96% (17891/18636)
Updating files:  97% (18077/18636)
Updating files:  98% (18264/18636)
Updating files:  99% (18450/18636)
Updating files: 100% (18636/18636)
Updating files: 100% (18636/18636), done.
HEAD is now at 67472cd542 Merge pull request #29652 from RyanGibb/master
Updating 67472cd542..3ff349ae2c
Fast-forward
 packages/stdcompat/stdcompat.0/opam    | 2 +-
 packages/stdcompat/stdcompat.1/opam    | 2 +-
 packages/stdcompat/stdcompat.15/opam   | 2 +-
 packages/stdcompat/stdcompat.16/opam   | 2 +-
 packages/stdcompat/stdcompat.17/opam   | 2 +-
 packages/stdcompat/stdcompat.18/opam   | 2 +-
 packages/stdcompat/stdcompat.19/opam   | 2 +-
 packages/stdcompat/stdcompat.20.0/opam | 2 +-
 packages/stdcompat/stdcompat.20.1/opam | 2 +-
 packages/stdcompat/stdcompat.21.0/opam | 2 +-
 packages/stdcompat/stdcompat.21.1/opam | 2 +-
 11 files changed, 11 insertions(+), 11 deletions(-)

(from macos-homebrew-ocaml-5.4)
2026-04-08 05:07.29 ---> using "338135fbf1889e924a607b47198b8b308c32a925cc9436066d65a9bdc402cad5" from cache

/: (user (uid 1000) (gid 1000))

/: (run (shell "ln -f ~/local/bin/opam-dev ~/local/bin/opam"))
2026-04-08 05:07.30 ---> using "7aa34524ca0a69b4a488c30909f7495a04a243f9066091b1dfe73b446b0dfcd3" from cache

/: (run (network host)
        (shell "opam init --reinit -ni"))
No configuration file found, using 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 /Users/mac1000/.opam from version 2.1 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 1 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=1 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] no changes from git+file:///Users/mac1000/opam-repository
2026-04-08 05:07.30 ---> using "91dcaa513ca3161d91620d0583acdea5310cd52ccab1dfbdd183600da37afdb2" from cache

/: (run (shell "opam option solver=builtin-0install && opam config report"))
Set to 'builtin-0install' the field solver in global configuration
# opam config report
# opam-version         2.5.0
# self-upgrade         no
# system               arch=arm64 os=macos os-distribution=homebrew os-version=15.5
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 7
# repositories         1 (version-controlled)
# pinned               0
# current-switch       5.4.0
# invariant            ["ocaml-base-compiler" {= "5.4.0"} | "ocaml-system" {= "5.4.0"}]
# compiler-packages    ocaml-base-compiler.5.4.0, ocaml-compiler.5.4.0, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /Users/mac1000/.opam/5.4.0/lib/ocaml/stublibs:/Users/mac1000/.opam/5.4.0/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.4.0
2026-04-08 05:07.30 ---> using "cea1bfc0b1cda73d964aa2fc69cc828a6e6d8edd86f991754707e8b004a3cb09" from cache

/: (env OPAMDOWNLOADJOBS 1)

/: (env OPAMERRLOGLEN 0)

/: (env OPAMPRECISETRACKING 1)

/: (env CI true)

/: (env OPAM_REPO_CI true)

/: (run (shell "rm -rf opam-repository/"))
2026-04-08 05:07.30 ---> using "e3eba35b672d86e69268bbb9214f23a1f9d1fb0787b4d803840af8d45829b222" from cache

/: (copy (src .) (dst opam-repository/))
2026-04-08 05:07.31 ---> using "9156f4857db6ae57faca902555962b4272511bdaa16f3c05d47b0740f4242ebb" from cache

/: (run (shell "opam repository set-url -k local --strict default opam-repository/"))
[default] Initialised
2026-04-08 05:07.31 ---> using "88c900b9e4308fc60ea1eafd62962143d156c355d07410ececa0e8b07c4474b9" from cache

/: (run (network host)
        (shell "opam update --depexts || true"))
+ /opt/homebrew/bin/brew "update"
- ==> Updating Homebrew...
- ==> Downloading https://ghcr.io/v2/homebrew/core/portable-ruby/blobs/sha256:f41c72b891c40623f9d5cd2135f58a1b8a5c014ae04149888289409316276c72
- #=#=#                                                                          
- 
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- 
#######                                                                   10.3%
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- ==> Pouring portable-ruby-4.0.2_1.arm64_big_sur.bottle.tar.gz
- ==> Homebrew collects anonymous analytics.
- Read the analytics documentation (and how to opt-out) here:
-   https://docs.brew.sh/Analytics
- No analytics have been recorded yet (nor will be during this `brew` run).
- 
- ==> Homebrew is run entirely by unpaid volunteers. Please consider donating:
-   https://github.com/Homebrew/brew#donations
- 
- Already up-to-date.
2026-04-08 05:07.32 ---> using "b23731754ae408338aa71c6af27dc31e347700c7c1fd8f8b699a241ec97291bd" from cache

/: (run (shell "opam pin add -k version -yn stdcompat.0 0"))
stdcompat is now pinned to version 0
2026-04-08 05:07.33 ---> saved as "b9fbf42a5acf750218d09e15756307388ec13b8d1afd791fc0d19dbd1d7c8166"

/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))
        (network host)
        (shell  "opam reinstall stdcompat.0;\
               \n        res=$?;\
               \n        test \"$res\" != 31 && exit \"$res\";\
               \n        export OPAMCLI=2.0;\
               \n        build_dir=$(opam var prefix)/.opam-switch/build;\
               \n        failed=$(ls \"$build_dir\");\
               \n        partial_fails=\"\";\
               \n        for pkg in $failed; do\
               \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"macos-homebrew\\\"\"; then\
               \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
               \n          fi;\
               \n          test \"$pkg\" != 'stdcompat.0' && partial_fails=\"$partial_fails $pkg\";\
               \n        done;\
               \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
               \n        exit 1"))
stdcompat.0 is not installed. Install it? [Y/n] y
  * No agreement on the version of ocaml-base-compiler:
    - (invariant) -> ocaml-base-compiler = 5.4.0
    - stdcompat < 1 -> ocaml < 5.0 -> ocaml-base-compiler < 4.14.4~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.0
    - stdcompat < 1 -> ocaml < 5.0 -> dkml-base-compiler
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.0
    - stdcompat < 1 -> ocaml < 5.0 -> ocaml-variants >= 4.10.2
  * Missing dependency:
    - stdcompat < 1 -> ocaml < 5.0 -> ocaml-base-compiler (<= 3.07+1 | = 3.07+2 | = 3.08.0 | = 3.08.1 | = 3.08.2 | = 3.08.3 | = 3.08.4 | = 3.09.0 | = 3.09.1 | = 3.09.2 | = 3.09.3 | = 3.10.0 | = 3.10.1 | = 3.10.2 | = 3.11.0 | = 3.11.1 | = 3.11.2 | = 3.12.0 | = 3.12.1 | = 4.00.0 | = 4.00.1 | = 4.01.0 | = 4.02.0 | = 4.02.1 | = 4.02.2 | = 4.02.3 | = 4.02.4 | = 4.03.0 | = 4.03.1 | = 4.04.0 | = 4.04.1 | = 4.04.2 | = 4.04.3 | = 4.05.0 | = 4.05.1 | = 4.06.0 | = 4.06.1 | = 4.06.2 | = 4.07.0 | = 4.07.1 | = 4.07.2 | = 4.08.0 | = 4.08.1 | = 4.08.2 | = 4.09.0 | = 4.09.1 | = 4.09.2 | = 4.10.0 | = 4.10.1) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 4.10.2~
    unmet availability conditions, e.g. '!(os = "macos" & arch = "arm64")'
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.1" & (os != "win32" | sys-ocaml-libc = "msvc")'
    unmet availability conditions, e.g. '!(os = "macos" & arch = "arm64")'
  * Missing dependency:
    - stdcompat < 1 -> ocaml < 5.0 -> ocaml-variants >= 4.10.2 -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall stdcompat.0;
        res=$?;
        test "$res" != 31 && exit "$res";
        export OPAMCLI=2.0;
        build_dir=$(opam var prefix)/.opam-switch/build;
        failed=$(ls "$build_dir");
        partial_fails="";
        for pkg in $failed; do
          if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"macos-homebrew\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'stdcompat.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-04-08 05:07.51: Job failed: Failed: Build failed
2026-04-08 05:07.51: Log analysis:
2026-04-08 05:07.51: >>> 
No solution found, exiting
 (score = 100)
2026-04-08 05:07.51: [SKIP] Package not available