(not at the head of any monitored branch or PR)
2025-11-30 20:45.57: New job: build melange.6.0.1-414, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29001/head (f552a18f416e36738eee28c6bf79045fd1a926dd)
                              on debian-13-ocaml-5.4-no-flat-float-array/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29001/head" && git reset --hard f552a18f
git fetch origin master
git merge --no-edit 1808b67a60cee484a3c5ff1a64046c0e5f0406a5
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.4-no-flat-float-array@sha256:a3f1c720165897c44090abc7375cea1183beb9ad65438777163fef2c966ccb4d
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn melange.6.0.1-414 6.0.1-414
RUN opam reinstall melange.6.0.1-414; \
    res=$?; \
    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-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'melange.6.0.1-414' && partial_fails="$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 .

2025-11-30 20:45.57: Using cache hint "ocaml/opam:debian-13-ocaml-5.4-no-flat-float-array@sha256:a3f1c720165897c44090abc7375cea1183beb9ad65438777163fef2c966ccb4d-melange.6.0.1-414-f552a18f416e36738eee28c6bf79045fd1a926dd"
2025-11-30 20:45.57: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.4-no-flat-float-array@sha256:a3f1c720165897c44090abc7375cea1183beb9ad65438777163fef2c966ccb4d)
 (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 melange.6.0.1-414 6.0.1-414"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall melange.6.0.1-414;\
             \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-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'melange.6.0.1-414' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-11-30 20:45.57: Waiting for resource in pool OCluster
2025-11-30 20:48.34: Waiting for worker…
2025-11-30 20:50.29: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
All commits already cached
HEAD is now at 1808b67a60 Merge pull request #28997 from dinosaure/release-hxd-v0.3.6
Updating 1808b67a60..f552a18f41
Fast-forward
 packages/melange/melange.6.0.1-414/opam | 42 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.1-51/opam  | 42 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.1-52/opam  | 42 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.1-53/opam  | 42 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.1-54/opam  | 42 +++++++++++++++++++++++++++++++++
 5 files changed, 210 insertions(+)
 create mode 100644 packages/melange/melange.6.0.1-414/opam
 create mode 100644 packages/melange/melange.6.0.1-51/opam
 create mode 100644 packages/melange/melange.6.0.1-52/opam
 create mode 100644 packages/melange/melange.6.0.1-53/opam
 create mode 100644 packages/melange/melange.6.0.1-54/opam

(from ocaml/opam:debian-13-ocaml-5.4-no-flat-float-array@sha256:a3f1c720165897c44090abc7375cea1183beb9ad65438777163fef2c966ccb4d)
Unable to find image 'ocaml/opam:debian-13-ocaml-5.4-no-flat-float-array@sha256:a3f1c720165897c44090abc7375cea1183beb9ad65438777163fef2c966ccb4d' locally
docker.io/ocaml/opam@sha256:a3f1c720165897c44090abc7375cea1183beb9ad65438777163fef2c966ccb4d: Pulling from ocaml/opam
13cc39f8244a: Already exists
9d7c1cac6af4: Already exists
979e6521bf84: Already exists
b129e961d700: Already exists
9288fc69cd29: Already exists
b232c90b1855: Already exists
658a78f60f44: Already exists
b3e6010fbc4c: Already exists
e75ac7b73fdb: Already exists
f1dbfc01d8b6: Already exists
42e8958c94a5: Already exists
1c77fd15fa4b: Already exists
f8ae0ec2765e: Already exists
87b5808a8709: Already exists
6551add7b2f4: Already exists
a050a941214a: Already exists
da6cadefa7ea: Already exists
0a3e89137cf8: Already exists
cc34154fc322: Already exists
eb7661180f3a: Already exists
faad806bf7c5: Already exists
4f4fb700ef54: Already exists
fe5692607199: Already exists
caa548e7f855: Already exists
8ad66e641b14: Already exists
b9d5d27dc0b6: Already exists
788961b65661: Already exists
9ed95272e11f: Already exists
82c1497059a3: Already exists
8abbeded2fb9: Already exists
1276181ef5dc: Already exists
0bd63c9342a5: Already exists
0294cf425d8c: Already exists
def43d8fc04c: Already exists
c87ed18f9ca6: Pulling fs layer
056f995b50a2: Pulling fs layer
c9f03af6c585: Pulling fs layer
4e0df0b17574: Pulling fs layer
1fcd55c53252: Pulling fs layer
056f995b50a2: Download complete
c9f03af6c585: Download complete
9fe15f147c9c: Pulling fs layer
6aba0bde3b08: Pulling fs layer
1fcd55c53252: Download complete
4e0df0b17574: Download complete
9fe15f147c9c: Download complete
eb47c999a07f: Pulling fs layer
c3b5761e8351: Pulling fs layer
cfe3e61963e9: Pulling fs layer
61a4bda5bec1: Pulling fs layer
8610502a0fed: Pulling fs layer
75d5dd216629: Pulling fs layer
cfe3e61963e9: Waiting
61a4bda5bec1: Waiting
8610502a0fed: Waiting
75d5dd216629: Waiting
eb47c999a07f: Download complete
c3b5761e8351: Verifying Checksum
c3b5761e8351: Download complete
6aba0bde3b08: Verifying Checksum
6aba0bde3b08: Download complete
61a4bda5bec1: Download complete
8610502a0fed: Verifying Checksum
8610502a0fed: Download complete
75d5dd216629: Download complete
cfe3e61963e9: Verifying Checksum
cfe3e61963e9: Download complete
c87ed18f9ca6: Pull complete
056f995b50a2: Pull complete
c9f03af6c585: Pull complete
4e0df0b17574: Pull complete
1fcd55c53252: Pull complete
9fe15f147c9c: Pull complete
6aba0bde3b08: Pull complete
eb47c999a07f: Pull complete
c3b5761e8351: Pull complete
cfe3e61963e9: Pull complete
61a4bda5bec1: Pull complete
8610502a0fed: Pull complete
75d5dd216629: Pull complete
Digest: sha256:a3f1c720165897c44090abc7375cea1183beb9ad65438777163fef2c966ccb4d
Status: Downloaded newer image for ocaml/opam@sha256:a3f1c720165897c44090abc7375cea1183beb9ad65438777163fef2c966ccb4d
2025-11-30 20:51.00 ---> using "394286b5b7b078c551bbe9e5dd41e3f64567eb6caa1111aaf012b38c238b57c6" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-11-30 20:51.00 ---> using "c5911a069293048f955cc55da3568ff3ecb4144bdf670f2459299df75e1d725b" from cache

/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.

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
2025-11-30 20:51.00 ---> using "b6280cff4c3c422048096c30884835e002f34040df5b99110d48e16a96575c21" from cache

/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~beta1
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=13
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 71
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       5.4
# invariant            ["ocaml-variants" {= "5.4.0+options"}]
# compiler-packages    ocaml-compiler.5.4.0, ocaml-option-no-flat-float-array.1, ocaml-options-only-no-flat-float-array.1, ocaml-variants.5.4.0+options
# 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       5.4.0+options+no-flat-float-array
2025-11-30 20:51.00 ---> using "33218981d1b4b73c96e424f4d87b9509a77ccb2f0e233f924091c69c88510df1" 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/"))
2025-11-30 20:51.00 ---> using "64e7221b8b770c89b69903c4f00ec4e2612ec6f08e1489688d843ec7a5df2d28" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-11-30 20:51.28 ---> saved as "3750181aeaf7f184c98658f730613cfeed2d49ba8261415156c5248be48f04ba"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-11-30 20:51.47 ---> saved as "03a4bac0f8abd022239d63f879287ea1a4fc07970d15bd6139552e00c8e90d30"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /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 [9670 kB]
- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [76.0 kB]
- Fetched 9977 kB in 1s (6863 kB/s)
- Reading package lists...
- 
2025-11-30 20:51.50 ---> saved as "02c5cc1c749318c5467039396d33cde8395d44c7bea85d58d3df5e9c67fadebd"

/home/opam: (run (shell "opam pin add -k version -yn melange.6.0.1-414 6.0.1-414"))
melange is now pinned to version 6.0.1-414
2025-11-30 20:51.51 ---> saved as "ef66b8b1f089a9bde958ad1f408e21f0a4734327dab577572f05e6b67d4c3588"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall melange.6.0.1-414;\
                        \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-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'melange.6.0.1-414' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
melange.6.0.1-414 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-variants = 5.4.0+options
    - melange >= 6.0.1-414 -> ocaml < 4.15 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-variants = 5.4.0+options
    - melange >= 6.0.1-414 -> ocaml < 4.15 -> 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 | = 4.03.0 | = 4.04.0 | = 4.04.1 | = 4.04.2 | = 4.05.0 | = 4.06.0 | = 4.06.1 | = 4.07.0 | = 4.07.1 | = 4.08.0 | = 4.08.1 | = 4.09.0 | = 4.09.1 | = 4.10.0 | = 4.10.1 | = 4.10.2 | = 4.11.0 | = 4.11.1 | = 4.11.2 | >= 4.12.0~)
  * Missing dependency:
    - melange >= 6.0.1-414 -> ocaml < 4.15 -> ocaml-base-compiler (= 4.02.4 | = 4.03.1 | = 4.04.3 | = 4.05.1 | = 4.06.2 | = 4.07.2 | = 4.08.2 | = 4.09.2 | = 4.10.3 | = 4.11.3) | ocaml-system >= 4.02.4 | ocaml-variants < 4.11.4~
    no matching version
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.0" & (os != "win32" | sys-ocaml-libc = "msvc")'
    not available because the package is pinned to version 5.4.0+options

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall melange.6.0.1-414;
        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-13\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'melange.6.0.1-414' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-11-30 20:52.25: Job failed: Failed: Build failed
2025-11-30 20:52.25: Log analysis:
2025-11-30 20:52.25: >>> 
No solution found, exiting
 (score = 100)
2025-11-30 20:52.25: [SKIP] Package not available