Building on bremusa.ocamllabs.io
(from ocaml/opam:debian-unstable)
Unable to find image 'ocaml/opam:debian-unstable' locally
debian-unstable: Pulling from ocaml/opam
Digest: sha256:d03f1d3d5516a04cb238c890ee24c265c842b392ad1d3f7f1213ae180926dfc1
Status: Downloaded newer image for ocaml/opam:debian-unstable
2025-11-12 09:22.09 ---> using "0acd5aeaa8f7bc314514d9795d14a7f12ec72a6a5b11c5904350189734c6859b" from cache
/: (user (uid 1000) (gid 1000))
/: (env OPAMPRECISETRACKING 1)
/: (env OPAMUTF8 never)
/: (env OPAMEXTERNALSOLVER builtin-0install)
/: (env OPAMCRITERIA +removed)
/: (env CI true)
/: (env OPAM_HEALTH_CHECK_CI true)
/: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-11-12 09:22.09 ---> using "40df4fa4cdfc68a5fa7a326047e82a7adc5df52b8059d4a7b745bdd50aad56e7" from cache
/: (run (network host)
(shell "rm -rf ~/opam-repository && git clone -q 'https://github.com/ocaml/opam-repository' ~/opam-repository && git -C ~/opam-repository checkout -q e4e631bfa1de346c5c18d3bb460fd03366bcb0e6"))
2025-11-12 09:22.09 ---> using "6f889e36a277629f9f71a80b27336fd916593b91f2202cf84b843c76010b5a11" from cache
/: (run (shell "rm -rf ~/.opam && opam init -ya --bare --config ~/.opamrc-sandbox ~/opam-repository"))
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.
<><> Fetching repository information ><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
User configuration:
~/.profile is already up-to-date.
2025-11-12 09:22.09 ---> using "3be048844c6cb51df1a68819dc1bbb8ff1c831955fd05a423fa4629bd3de1bfc" from cache
/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "sudo apt update && sudo apt install autoconf -y"))
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
Get:1 http://deb.debian.org/debian unstable InRelease [176 kB]
Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB]
Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-11-12-0810.48-F-2025-11-08-0809.16.pdiff [267 kB]
Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-11-12-0810.48-F-2025-11-08-0809.16.pdiff [267 kB]
Fetched 507 kB in 10s (51.9 kB/s)
Reading package lists...
Building dependency tree...
Reading state information...
25 packages can be upgraded. Run 'apt list --upgradable' to see them.
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
Reading package lists...
Building dependency tree...
Reading state information...
Solving dependencies...
Installing:
autoconf
Installing dependencies:
automake autotools-dev m4
Suggested packages:
autoconf-archive gnu-standards autoconf-doc libtool gettext m4-doc
Summary:
Upgrading: 0, Installing: 4, Removing: 0, Not Upgrading: 25
Download size: 1756 kB
Space needed: 5330 kB / 137 GB available
Get:1 http://deb.debian.org/debian unstable/main amd64 m4 amd64 1.4.20-2 [325 kB]
Get:2 http://deb.debian.org/debian unstable/main amd64 autoconf all 2.72-3.1 [494 kB]
Get:3 http://deb.debian.org/debian unstable/main amd64 autotools-dev all 20240727.1 [60.2 kB]
Get:4 http://deb.debian.org/debian unstable/main amd64 automake all 1:1.18.1-2 [877 kB]
Fetched 1756 kB in 4s (395 kB/s)
Selecting previously unselected package m4.
(Reading database ...
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(Reading database ... 100%
(Reading database ... 20804 files and directories currently installed.)
Preparing to unpack .../archives/m4_1.4.20-2_amd64.deb ...
Unpacking m4 (1.4.20-2) ...
Selecting previously unselected package autoconf.
Preparing to unpack .../autoconf_2.72-3.1_all.deb ...
Unpacking autoconf (2.72-3.1) ...
Selecting previously unselected package autotools-dev.
Preparing to unpack .../autotools-dev_20240727.1_all.deb ...
Unpacking autotools-dev (20240727.1) ...
Selecting previously unselected package automake.
Preparing to unpack .../automake_1%3a1.18.1-2_all.deb ...
Unpacking automake (1:1.18.1-2) ...
Setting up m4 (1.4.20-2) ...
Setting up autotools-dev (20240727.1) ...
Setting up autoconf (2.72-3.1) ...
Setting up automake (1:1.18.1-2) ...
update-alternatives: using /usr/bin/automake-1.18 to provide /usr/bin/automake (automake) in auto mode
2025-11-12 09:22.09 ---> using "277cadd498f2625ca878ea86beeb913872ebbd6dbbd1f07c19512639b6583a69" from cache
/: (run (network host)
(shell "git clone -q 'https://github.com/oxcaml/opam-repository' ~/'oxcaml' && git -C ~/'oxcaml' checkout -q a1ea0d33dd5662b89183f751c3fec566d7860b75"))
2025-11-12 09:22.09 ---> using "fce964cfbb8ec4ed6cd042c743e2bef38f67d1eaccc111bc2a12054d7401efc5" from cache
/: (run (shell "opam repository add --dont-select 'oxcaml' ~/'oxcaml'"))
[oxcaml] Initialised
2025-11-12 09:22.09 ---> using "4c32f7f36d2d8f67a0d818f157e94ab14e93aaf7ca1338ed5b22bd45f911bb06" from cache
/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam switch create --repositories=oxcaml,default '5.2.0+flambda2' '5.2.0+ox'"))
<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-variants" {= "5.2.0+ox"}]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved ocaml-config.3 (cached)
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> installed ocaml-options-vanilla.1
-> installed conf-autoconf.0.2
-> installed conf-which.1
-> retrieved ocaml-variants.5.2.0+ox (https://github.com/oxcaml/oxcaml/archive/refs/tags/5.2.0minus-19-opam.tar.gz)
-> installed ocaml-variants.5.2.0+ox
-> installed ocaml-config.3
-> installed ocaml.5.2.0
-> installed base-domains.base
-> installed base-nnp.base
Done.
# To update the current shell environment, run: eval $(opam env --switch=5.2.0+flambda2)
2025-11-12 09:22.09 ---> using "319d64188ef8cdaf1e291ebb44a207e538b905beeb42b3b71a316988736a398b" from cache
/: (run (network host)
(shell "opam update --depexts"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian unstable InRelease
- Reading package lists...
-
2025-11-12 09:22.09 ---> using "31a34e465cdc98ad3ea9bb85e99555ab13c78e4ac54f0da9ca97aaaee955511b" from cache
/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam remove -y conf-cuda.1\
\nopam install -vy conf-cuda.1\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: conf-cuda.1 | grep -q 'debian-unstable'; then\
\n echo \"This package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\"\
\n exit 69\
\n fi\
\nfi \
\n\
\n\
\nexit $res"))
[NOTE] conf-cuda.1 is not installed.
Nothing to do.
The following actions will be performed:
=== install 2 packages
- install conf-cuda 1
- install conf-cuda-config 1 [required by conf-cuda]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing 3/6: [conf-cuda-config: sh]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "sh" "-exc" "\n if [ -z \"$CUDA_PATH\" ]; then\n if [ -d \"/usr/local/cuda\" ]; then\n CUDA_PATH=\"/usr/local/cuda\"\n CUDA_PREINSTALLED=\"true\"\n elif [ -d \"/opt/cuda\" ]; then\n CUDA_PATH=\"/opt/cuda\"\n CUDA_PREINSTALLED=\"true\"\n elif [ -d \"/usr/cuda\" ]; then\n CUDA_PATH=\"/usr/cuda\"\n CUDA_PREINSTALLED=\"true\"\n elif [ \"arch\" = debian ]; then\n CUDA_PATH=\"/opt/cuda\"\n CUDA_PREINSTALLED=\"false\"\n else\n CUDA_PATH=\"/usr/local/cuda\"\n CUDA_PREINSTALLED=\"false\"\n fi\n else\n if [ -d \"$CUDA_PATH\" ]; then\n CUDA_PREINSTALLED=\"true\"\n else\n CUDA_PREINSTALLED=\"false\"\n fi\n fi\n if [ -z \"$WSL_DISTRO_NAME\" ]; then\n IS_WSL=\"false\"\n else\n IS_WSL=\"true\"\n fi\n cat <<EOF > conf-cuda-config.config\nopam-version: \"2.0\"\nvariables {\n cuda_preinstalled: \"$CUDA_PREINSTALLED\"\n cuda_path: \"$CUDA_PATH\"\n is_wsl: \"$IS_WSL\"\n wsl_distro_name: \"$WSL_DISTRO_NAME\"\n}\nEOF\n " (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/conf-cuda-config.1)
- + [ -z ]
- + [ -d /usr/local/cuda ]
- + [ -d /opt/cuda ]
- + [ -d /usr/cuda ]
- + [ arch = debian ]
- + CUDA_PATH=/usr/local/cuda
- + CUDA_PREINSTALLED=false
- + [ -z ]
- + IS_WSL=false
- + cat
-> compiled conf-cuda-config.1
-> installed conf-cuda-config.1
Processing 5/6: [conf-cuda: sh cat <<EOF > test.c
#include "cuda.h"
#include "nvrtc.h"
]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "sh" "-exc" "cat <<EOF > test.c\n #include \"cuda.h\"\n #include \"nvrtc.h\"\n " (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/conf-cuda.1)
- + cat
Processing 5/6: [conf-cuda: sh]
+ /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" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/conf-cuda.1)
- + 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] The compilation of conf-cuda.1 failed at "sh -exc $(ocamlc -config-var c_compiler) -c $CFLAGS -I'/usr/local/cuda/include' test.c".
#=== ERROR while compiling conf-cuda.1 ========================================#
# context 2.5.0~alpha1 | linux/x86_64 | ocaml-variants.5.2.0+ox | file:///home/opam/opam-repository
# path ~/.opam/5.2.0+flambda2/.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-8-5f286d.env
# output-file ~/.opam/log/conf-cuda-8-5f286d.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
# To update the current shell environment, run: eval $(opam env)
The former state can be restored with:
/usr/bin/opam switch import "/home/opam/.opam/5.2.0+flambda2/.opam-switch/backup/state-20251112092211.export"
'opam install -vy conf-cuda.1' failed.
"/usr/bin/env" "bash" "-c" "opam remove -y conf-cuda.1
opam install -vy conf-cuda.1
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: conf-cuda.1 | grep -q 'debian-unstable'; then
echo "This package failed and has been disabled for CI using the 'x-ci-accept-failures' field."
exit 69
fi
fi
exit $res" failed with exit status 31
Failed: Build failed
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