(not at the head of any monitored branch or PR)
2026-04-10 10:44.45: New job: build qcow.0.14.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29696/head (1f431665cd90223344508f34bdfcda13ee53e31d)
                              on debian-testing-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29696/head" && git reset --hard 1f431665
git fetch origin master
git merge --no-edit 4d62a12e2668620ec407587e7db38305357322d7
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-testing-ocaml-5.4@sha256:fc17460e4efea8621e8069472066d02080dd173638b39a662d99cd41c02ae416
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn qcow.0.14.0 0.14.0
RUN opam reinstall qcow.0.14.0; \
    res=$?; \
    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 "\"debian-testing\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'qcow.0.14.0' && partial_fails="$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 .

2026-04-10 10:44.45: Using cache hint "ocaml/opam:debian-testing-ocaml-5.4@sha256:fc17460e4efea8621e8069472066d02080dd173638b39a662d99cd41c02ae416-qcow.0.14.0-1f431665cd90223344508f34bdfcda13ee53e31d"
2026-04-10 10:44.45: Using OBuilder spec:
((from ocaml/opam:debian-testing-ocaml-5.4@sha256:fc17460e4efea8621e8069472066d02080dd173638b39a662d99cd41c02ae416)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
 (run (network host)
      (shell "opam init --reinit --config .opamrc-sandbox -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 --strict default opam-repository/"))
 (run (network host)
      (shell "opam update --depexts || true"))
 (run (shell "opam pin add -k version -yn qcow.0.14.0 0.14.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall qcow.0.14.0;\
             \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 \"\\\"debian-testing\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'qcow.0.14.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-04-10 10:44.45: Waiting for resource in pool OCluster
2026-04-10 10:46.59: Waiting for worker…
2026-04-10 10:51.27: Got resource from pool OCluster
Building on doris.caelum.ci.dev
All commits already cached
HEAD is now at 4d62a12e26 Merge pull request #29694 from tmcgilchrist/release-runtime_events_tools-0.5.4
Updating 4d62a12e26..1f431665cd
Fast-forward
 packages/qcow-stream/qcow-stream.0.14.0/opam | 45 ++++++++++++++++++++
 packages/qcow-tool/qcow-tool.0.14.0/opam     | 57 +++++++++++++++++++++++++
 packages/qcow-types/qcow-types.0.14.0/opam   | 49 ++++++++++++++++++++++
 packages/qcow/qcow.0.14.0/opam               | 62 ++++++++++++++++++++++++++++
 4 files changed, 213 insertions(+)
 create mode 100644 packages/qcow-stream/qcow-stream.0.14.0/opam
 create mode 100644 packages/qcow-tool/qcow-tool.0.14.0/opam
 create mode 100644 packages/qcow-types/qcow-types.0.14.0/opam
 create mode 100644 packages/qcow/qcow.0.14.0/opam

(from ocaml/opam:debian-testing-ocaml-5.4@sha256:fc17460e4efea8621e8069472066d02080dd173638b39a662d99cd41c02ae416)
Unable to find image 'ocaml/opam:debian-testing-ocaml-5.4@sha256:fc17460e4efea8621e8069472066d02080dd173638b39a662d99cd41c02ae416' locally
docker.io/ocaml/opam@sha256:fc17460e4efea8621e8069472066d02080dd173638b39a662d99cd41c02ae416: Pulling from ocaml/opam
7bdf93a2879f: Pulling fs layer
ec62c0de4dca: Pulling fs layer
09d37fa00da2: Pulling fs layer
9a10e848aeb3: Pulling fs layer
fab4fc622e59: Pulling fs layer
b0d14a46215e: Pulling fs layer
ae692a02c882: Pulling fs layer
c68b65e8a5e5: Pulling fs layer
9a10e848aeb3: Waiting
b416ab77abfb: Pulling fs layer
b0d14a46215e: Waiting
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ae692a02c882: Waiting
c68b65e8a5e5: Waiting
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ba5c179ccab6: Waiting
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00288accabb3: Pulling fs layer
88b174105502: Waiting
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c698c3f87d6d: Waiting
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487f8c331970: Waiting
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0026228a0d08: Waiting
9838b2a24e15: Pulling fs layer
9838b2a24e15: Waiting
5dea03ae033f: Waiting
ec62c0de4dca: Download complete
09d37fa00da2: Verifying Checksum
09d37fa00da2: Download complete
fab4fc622e59: Verifying Checksum
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7bdf93a2879f: Verifying Checksum
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09d37fa00da2: Pull complete
b0d14a46215e: Verifying Checksum
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c9a711a3b10d: Verifying Checksum
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88b174105502: Verifying Checksum
88b174105502: Download complete
85bccb01f516: Verifying Checksum
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81346a28b617: Verifying Checksum
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Digest: sha256:fc17460e4efea8621e8069472066d02080dd173638b39a662d99cd41c02ae416
Status: Downloaded newer image for ocaml/opam@sha256:fc17460e4efea8621e8069472066d02080dd173638b39a662d99cd41c02ae416
2026-04-10 10:54.04 ---> saved as "ea0642f5386cc2a5cbdb1912f562c273fd955c7ab699ae3399887e7f457ab896"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-04-10 10:54.04 ---> saved as "3ebb81658d5d117d8ddfc21ddf6e4b524a37787c108d96186a4ed27d8bc540db"

/home/opam: (run (network host)
                 (shell "opam init --reinit --config .opamrc-sandbox -ni"))
Configuring 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.

Continue? [Y/n] y
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.

Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-04-10 10:54.26 ---> saved as "8b761a6bd408f5358bdf45291783d11ce8c1bdb38b1bd26d381a41566a6fadad"

/home/opam: (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=x86_64 os=linux os-distribution=debian os-version=unknown
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 255
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       5.4
# invariant            ["ocaml-base-compiler" {= "5.4.1"}]
# compiler-packages    ocaml-base-compiler.5.4.1, ocaml-compiler.5.4.1, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/5.4/lib/ocaml/stublibs:/home/opam/.opam/5.4/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.4.1
2026-04-10 10:54.26 ---> saved as "4acccb8acc8e6a6b8ca3c9fa0f4f3953055e3cc44f8b1f6d40dfc2f4cab4fe77"

/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/"))
2026-04-10 10:54.36 ---> saved as "92c26fe81910d98aae8900185391100570717e5206706e23a4e36f24cb516652"

/home/opam: (copy (src .) (dst opam-repository/))
2026-04-10 10:54.45 ---> saved as "5bcd76991229f84737459a76705e7c31cb84310e631ba6379d1bfae0bde17bda"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-04-10 10:55.02 ---> saved as "6e05e569728ba66b72064e3de32ea15be4243c3916dcb70bde08e41ccc55615c"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian testing InRelease [137 kB]
- Get:2 http://deb.debian.org/debian testing-updates InRelease [40.6 kB]
- Get:3 http://deb.debian.org/debian-security testing-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian testing/main amd64 Packages.diff/Index [63.6 kB]
- Get:5 http://deb.debian.org/debian testing/main amd64 Packages T-2026-04-10-0803.04-F-2026-04-04-0800.01.pdiff [486 kB]
- Get:5 http://deb.debian.org/debian testing/main amd64 Packages T-2026-04-10-0803.04-F-2026-04-04-0800.01.pdiff [486 kB]
- Fetched 771 kB in 1s (565 kB/s)
- Reading package lists...
2026-04-10 10:55.04 ---> saved as "cf7fd6dd2875b2b0428acd878fa77a63317dcb348da7cb7905c01052dc73c7e0"

/home/opam: (run (shell "opam pin add -k version -yn qcow.0.14.0 0.14.0"))
qcow is now pinned to version 0.14.0
2026-04-10 10:55.05 ---> saved as "731d23cb1b976b2cde68ba9f1146080c1f2a0c9d1925e1bcf96332adc192c099"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall qcow.0.14.0;\
                        \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 \"\\\"debian-testing\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'qcow.0.14.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
qcow.0.14.0 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.1
    - qcow >= 0.14.0 -> unix-type-representations -> ocaml < 5.0.0 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.1
    - qcow >= 0.14.0 -> unix-type-representations -> ocaml < 5.0.0 -> ocaml-variants
  * Missing dependency:
    - qcow >= 0.14.0 -> unix-type-representations -> ocaml < 5.0.0 -> 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) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 3.09.1~
    not available because the package is pinned to version 5.4.1
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.1" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - qcow >= 0.14.0 -> unix-type-representations -> ocaml < 5.0.0 -> ocaml-variants -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - qcow >= 0.14.0 -> unix-type-representations -> ocaml < 5.0.0 -> ocaml-variants -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall qcow.0.14.0;
        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 "\"debian-testing\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'qcow.0.14.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-04-10 10:55.20: Job failed: Failed: Build failed
2026-04-10 10:55.20: Log analysis:
2026-04-10 10:55.20: >>> 
No solution found, exiting
 (score = 100)
2026-04-10 10:55.20: [SKIP] Package not available