(not at the head of any monitored branch or PR)
2025-05-09 11:52.19: New job: build conf-cuda.1, using opam 2.0
                              from https://github.com/ocaml/opam-repository.git#refs/pull/27864/head (b3bc9d73d284e8a1aa3409da9fc3f2c4b22be9f7)
                              on debian-12-ocaml-5.3/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/27864/head" && git reset --hard b3bc9d73
git fetch origin master
git merge --no-edit 0d013e603b5ebf0e9b404e10d5a6839f226e1739
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-5.3@sha256:1b8db2464075e045f2710c633c15ec40916e273f0dea1055c6f56c58e621387a
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam depext -u || true
RUN opam pin add -k version -yn conf-cuda.1 1
RUN opam depext conf-cuda.1 && opam reinstall conf-cuda.1; \
    res=$?; \
    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 "$pkg" != 'conf-cuda.1' && partial_fails="$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 .

2025-05-09 11:52.19: Using cache hint "ocaml/opam:debian-12-ocaml-5.3@sha256:1b8db2464075e045f2710c633c15ec40916e273f0dea1055c6f56c58e621387a-conf-cuda.1-b3bc9d73d284e8a1aa3409da9fc3f2c4b22be9f7"
2025-05-09 11:52.19: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.3@sha256:1b8db2464075e045f2710c633c15ec40916e273f0dea1055c6f56c58e621387a)
 (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 conf-cuda.1 1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam depext conf-cuda.1 && opam reinstall conf-cuda.1;\
             \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 \"$pkg\" != 'conf-cuda.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-05-09 11:52.19: Waiting for resource in pool OCluster
2025-05-09 11:52.20: Waiting for worker…
2025-05-09 11:52.20: Got resource from pool OCluster
Building on clete.caelum.ci.dev
All commits already cached
Updating files:  96% (22227/23009)
Updating files:  97% (22319/23009)
Updating files:  98% (22549/23009)
Updating files:  99% (22779/23009)
Updating files: 100% (23009/23009)
Updating files: 100% (23009/23009), done.
HEAD is now at 0d013e603b Merge pull request #27802 from Khady/release-junit-2.3.0
Updating 0d013e603b..b3bc9d73d2
Fast-forward
 packages/conf-cuda/conf-cuda.1/opam | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(from ocaml/opam:debian-12-ocaml-5.3@sha256:1b8db2464075e045f2710c633c15ec40916e273f0dea1055c6f56c58e621387a)
Unable to find image 'ocaml/opam:debian-12-ocaml-5.3@sha256:1b8db2464075e045f2710c633c15ec40916e273f0dea1055c6f56c58e621387a' locally
docker.io/ocaml/opam@sha256:1b8db2464075e045f2710c633c15ec40916e273f0dea1055c6f56c58e621387a: Pulling from ocaml/opam
ddbd326690dc: Pulling fs layer
ddbd326690dc: Verifying Checksum
ddbd326690dc: Download complete
ddbd326690dc: Pull complete
Digest: sha256:1b8db2464075e045f2710c633c15ec40916e273f0dea1055c6f56c58e621387a
Status: Downloaded newer image for ocaml/opam@sha256:1b8db2464075e045f2710c633c15ec40916e273f0dea1055c6f56c58e621387a
2025-05-09 11:52.37 ---> using "c27ab789c36f636d2f62a674e3eae2c305d73399092c4108cbaa52dc8a10012e" 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"))
2025-05-09 11:52.37 ---> using "ecec621c23bf21a9a3696f19ca1c00a80eae747019bee55bc58d9123f79a72e2" 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)

2025-05-09 11:52.37 ---> using "e859b841bac8e590b7528224571eb481079bafca0e8ac38510564715583e2489" 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              39
# repositories      1 (version-controlled)
# pinned            1 (version)
# current-switch    5.3
2025-05-09 11:52.37 ---> using "a9073a77c8811db15ca1e65acdfb1b136713beb32395a052ee42a1f625a3d28f" 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/"))
2025-05-09 11:52.37 ---> using "5005fae55fd7b490ffaf6d383925bad9f7c1a0c95ec1009cd0dac4917fb4179d" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-05-09 11:52.51 ---> saved as "d071c01c7bd3506bd2bab87bdf0609e9915860de452c1a2165836a0275e5fa56"

/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)

2025-05-09 11:53.05 ---> saved as "981e91a133f008440ab4b166fb0820f5a4f3bc037eea997aec97a55875856a24"

/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
Hit:1 http://deb.debian.org/debian bookworm InRelease
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-security bookworm-security/main amd64 Packages [258 kB]
Fetched 361 kB in 1s (683 kB/s)
Reading package lists...
# OS package update successful
2025-05-09 11:53.08 ---> saved as "def9c99d1caefdcd1c007de3ea5ba5e01804f427c5afd416c6851a404639ce4a"

/home/opam: (run (shell "opam pin add -k version -yn conf-cuda.1 1"))
conf-cuda is now pinned to version 1
2025-05-09 11:53.09 ---> saved as "8bf08b751391aa52106159695e338091cbd5d1cf7e1b28eeb25cb075d81a71b6"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam depext conf-cuda.1 && opam reinstall conf-cuda.1;\
                        \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 \"$pkg\" != 'conf-cuda.1' && partial_fails=\"$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
# No extra OS packages requirements found.
# All required OS packages found.
conf-cuda.1 is not installed. Install it? [Y/n] y
The following actions will be performed:
  - install conf-cuda-config 1  [required by conf-cuda]
  - install conf-cuda        1*
===== 2 to install =====

<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed conf-cuda-config.1
[ERROR] The compilation of conf-cuda failed at "/home/opam/.opam/opam-init/hooks/sandbox.sh build sh -exc $(ocamlc -config-var c_compiler) -c $CFLAGS -I'/usr/local/cuda/include' test.c".

#=== ERROR while compiling conf-cuda.1 ========================================#
# context              2.0.10 | linux/x86_64 | ocaml-base-compiler.5.3.0 | pinned
# path                 ~/.opam/5.3/.opam-switch/build/conf-cuda.1
# command              ~/.opam/opam-init/hooks/sandbox.sh build sh -exc $(ocamlc -config-var c_compiler) -c $CFLAGS -I'/usr/local/cuda/include' test.c
# exit-code            1
# env-file             ~/.opam/log/conf-cuda-44-5f1023.env
# output-file          ~/.opam/log/conf-cuda-44-5f1023.out
### output ###
# + ocamlc -config-var c_compiler
# + gcc -c -I/usr/local/cuda/include test.c
# test.c:1:14: fatal error: cuda.h: No such file or directory
#     1 |    #include  "cuda.h"
#       |              ^~~~~~~~
# compilation terminated.



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build conf-cuda 1
+- 
+- The following changes have been performed
| - install conf-cuda-config 1
+- 

<><> conf-cuda-config.1 installed successfully ><><><><><><><><><><><><><><><><>
=> NOTE: assuming CUDA will be installed under /usr/local/cuda

<><> conf-cuda.1 troubleshooting ><><><><><><><><><><><><><><><><><><><><><><><>
=> Execute: $ sudo add-apt-repository multiverse; sudo apt update; sudo apt-get install nvidia-cuda-dev nvidia-cuda-toolkit
=> Alternatively: manually install CUDA or verify that CUDA_PATH is set properly, and re-install opam package conf-cuda-config. We recommend using the latest version of CUDA, at least v12.8. See: https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html
# Run eval $(opam env) to update the current shell environment

The former state can be restored with:
    opam switch import "/home/opam/.opam/5.3/.opam-switch/backup/state-20250509115315.export"
"/usr/bin/env" "bash" "-c" "opam depext conf-cuda.1 && opam reinstall conf-cuda.1;
        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 "$pkg" != 'conf-cuda.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 1
2025-05-09 11:53.30: Job failed: Failed: Build failed
2025-05-09 11:53.30: Log analysis:
2025-05-09 11:53.30: >>> 
[ERROR] The compilation of conf-cuda failed at "/home/opam/.opam/opam-init/hooks/sandbox.sh build sh -exc $(ocamlc -config-var c_compiler) -c $CFLAGS -I'/usr/local/cuda/include' test.c".
 (score = 20)
2025-05-09 11:53.30: The compilation of conf-cuda failed at "/home/opam/.opam/opam-init/hooks/sandbox.sh build sh -exc $(ocamlc -config-var c_compiler) -c $CFLAGS -I'/usr/local/cuda/include' test.c".