(for PR #28326)

2025-08-12 04:03.19: New job: build vcr.1.0.0~alpha0, using opam 2.0
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28326/head (d58bd10ebb1b37f6389a3b08d16305ecc873703c)
                              on debian-12-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28326/head" && git reset --hard d58bd10e
git fetch origin master
git merge --no-edit fb96181bf90338b7e9a1c6a0001541cab4756218
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.14@sha256:b3b4d6d5643af6178c2c7da1f4185223f562d83280904781325cdf5798986a63
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam depext -u || true
RUN opam pin add -k version -yn vcr.1.0.0~alpha0 1.0.0~alpha0
RUN opam depext vcr.1.0.0~alpha0 && opam reinstall vcr.1.0.0~alpha0; \
    res=$?; \
    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 "\"debian-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'vcr.1.0.0~alpha0' && partial_fails="$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 .

2025-08-12 04:03.19: Using cache hint "ocaml/opam:debian-12-ocaml-4.14@sha256:b3b4d6d5643af6178c2c7da1f4185223f562d83280904781325cdf5798986a63-vcr.1.0.0~alpha0-d58bd10ebb1b37f6389a3b08d16305ecc873703c"
2025-08-12 04:03.19: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.14@sha256:b3b4d6d5643af6178c2c7da1f4185223f562d83280904781325cdf5798986a63)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam"))
 (run (network host)
      (shell "opam init --reinit --config .opamrc-sandbox -ni"))
 (run (shell "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 --strict default opam-repository/"))
 (run (network host)
      (shell "opam depext -u || true"))
 (run (shell "opam pin add -k version -yn vcr.1.0.0~alpha0 1.0.0~alpha0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam depext vcr.1.0.0~alpha0 && opam reinstall vcr.1.0.0~alpha0;\
             \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 \"\\\"debian-12\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'vcr.1.0.0~alpha0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-08-12 04:03.19: Waiting for resource in pool OCluster
2025-08-12 04:03.28: Waiting for worker…
2025-08-12 04:06.11: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
All commits already cached
Updating files:  90% (16263/17999)
Updating files:  91% (16380/17999)
Updating files:  92% (16560/17999)
Updating files:  93% (16740/17999)
Updating files:  94% (16920/17999)
Updating files:  95% (17100/17999)
Updating files:  96% (17280/17999)
Updating files:  97% (17460/17999)
Updating files:  98% (17640/17999)
Updating files:  99% (17820/17999)
Updating files: 100% (17999/17999)
Updating files: 100% (17999/17999), done.
HEAD is now at fb96181bf9 Merge pull request #28332 from jmid/fix-bad-checksums
Updating fb96181bf9..d58bd10ebb
Fast-forward
 packages/matrix-term/matrix-term.1.0.0~alpha0/opam | 43 +++++++++++++++++
 packages/matrix/matrix.1.0.0~alpha0/opam           | 45 ++++++++++++++++++
 packages/mosaic/mosaic.1.0.0~alpha0/opam           | 55 ++++++++++++++++++++++
 packages/toffee/toffee.1.0.0~alpha0/opam           | 41 ++++++++++++++++
 packages/vcr/vcr.1.0.0~alpha0/opam                 | 47 ++++++++++++++++++
 5 files changed, 231 insertions(+)
 create mode 100644 packages/matrix-term/matrix-term.1.0.0~alpha0/opam
 create mode 100644 packages/matrix/matrix.1.0.0~alpha0/opam
 create mode 100644 packages/mosaic/mosaic.1.0.0~alpha0/opam
 create mode 100644 packages/toffee/toffee.1.0.0~alpha0/opam
 create mode 100644 packages/vcr/vcr.1.0.0~alpha0/opam

(from ocaml/opam:debian-12-ocaml-4.14@sha256:b3b4d6d5643af6178c2c7da1f4185223f562d83280904781325cdf5798986a63)
2025-08-12 04:06.21 ---> using "7f53aba96fd697ea92c7c7d3f6be48133fa7f3f6538a693606c4cbcecd7917b8" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam"))
2025-08-12 04:06.21 ---> using "870b0d0ad516da6424be21612e8d251d98bcbccc2fa45d5e194bc6d43f03309f" from cache

/home/opam: (run (network host)
                 (shell "opam init --reinit --config .opamrc-sandbox -ni"))
[NOTE] Will configure from /home/opam/.opamrc-sandbox, then /home/opam/.opamrc, and finally 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.

[WARNING] Recommended dependencies -- most packages rely on these:
  - m4

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
default (at git+file:///home/opam/opam-repository): 
    [INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)

2025-08-12 04:06.21 ---> using "541e91a0157719eb15a6b309ce557d03f77bba99787426199b8cc228a3201722" from cache

/home/opam: (run (shell "opam config report"))
# opam config report
# opam-version      2.0.10 (adc1e1829a2bef5b240746df80341b508290fe3b) 
# self-upgrade      no
# system            arch=x86_64 os=linux os-distribution=debian os-version=12
# solver            builtin-mccs+glpk
# install-criteria  -removed,-count[version-lag,request],-count[version-lag,changed],-changed
# upgrade-criteria  -removed,-count[version-lag,solution],-new
# jobs              71
# repositories      1 (version-controlled)
# pinned            1 (version)
# current-switch    4.14
2025-08-12 04:06.21 ---> using "520acc36991581c4e7acd6b6d3f688b89a0e180f7052ea55d2d43d3204118280" from cache

/home/opam: (env OPAMDOWNLOADJOBS 1)

/home/opam: (env OPAMERRLOGLEN 0)

/home/opam: (env OPAMPRECISETRACKING 1)

/home/opam: (env CI true)

/home/opam: (env OPAM_REPO_CI true)

/home/opam: (run (shell "rm -rf opam-repository/"))
2025-08-12 04:06.21 ---> using "b7f8138fb19ef9cd918098696a693ba3512b0599acfa6716b61b2f9627cf18c5" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-08-12 04:06.51 ---> saved as "e4ad5f945c7dcf7abfcfd7cc8deea16471d8e0188c6f67116da74924e56d8811"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
default (at file:///home/opam/opam-repository): 
    [INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)

2025-08-12 04:07.04 ---> saved as "0a0c9a18afa61f00d41d9bda6b2ba18767377ca211e5108471f67a10b23d11fc"

/home/opam: (run (network host)
                 (shell "opam depext -u || true"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
# No extra OS packages requirements found.
# All required OS packages found.
The following command needs to be run through "sudo":
    apt-get update
Get:1 http://deb.debian.org/debian bookworm InRelease [151 kB]
Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
Get:4 http://deb.debian.org/debian bookworm-updates/main amd64 Packages.diff/Index [21.8 kB]
Ign:4 http://deb.debian.org/debian bookworm-updates/main amd64 Packages.diff/Index
Get:5 http://deb.debian.org/debian bookworm-updates/main amd64 Packages [6924 B]
Get:6 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [272 kB]
Fetched 555 kB in 1s (1026 kB/s)
Reading package lists...
# OS package update successful
2025-08-12 04:07.06 ---> saved as "9eac6f82bdb71e662c81c5e189d85d90adb378bf29f2370cf74690036529e1d3"

/home/opam: (run (shell "opam pin add -k version -yn vcr.1.0.0~alpha0 1.0.0~alpha0"))
vcr is now pinned to version 1.0.0~alpha0
2025-08-12 04:07.07 ---> saved as "e3650676911ceebe0c050f2b40fe06538aeeefdc95d5666b4c049d087d986b93"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam depext vcr.1.0.0~alpha0 && opam reinstall vcr.1.0.0~alpha0;\
                        \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 \"\\\"debian-12\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'vcr.1.0.0~alpha0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
[ERROR] No solution for vcr.1.0.0~alpha0: The following dependencies couldn't be met:
          - vcr -> matrix -> ocaml >= 5.1
              base of this switch (use `--unlock-base' to force)


Command failed: opam list --readonly --external '--resolve=vcr.1.0.0~alpha0' --color=never returned 20
"/usr/bin/env" "bash" "-c" "opam depext vcr.1.0.0~alpha0 && opam reinstall vcr.1.0.0~alpha0;
        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 "\"debian-12\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'vcr.1.0.0~alpha0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-08-12 04:07.18: Job failed: Failed: Build failed
2025-08-12 04:07.18: Log analysis:
2025-08-12 04:07.18: >>> 
[ERROR] No solution for vcr.1.0.0~alpha0: The following dependencies couldn't be met:
 (score = 100)
2025-08-12 04:07.18: [SKIP] Package not available