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Building on x86-bm-1.ocamllabs.io

(from ocaml/opam:debian-unstable@sha256:7054d8a46152338971700614b854690c8ce1a3d6024d9e66b018a8e73119aa3f)
2022-03-03 07:06.10 ---> using "373f9b631d075c18f7442f5ab0fc65a1fd416e45c4bad373f7db673d6cf80f59" from cache

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

/: (env OPAMPRECISETRACKING 1)

/: (env OPAMUTF8 never)

/: (env OPAMEXTERNALSOLVER builtin-0install)

/: (env OPAMCRITERIA +removed)

/: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2022-03-03 07:06.10 ---> using "88849b7b49c5c9e5ea88c51a2386f85dc9692b3cbbbdfa071a4b6fb51a141dbe" 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 892f7bcbcb6c1fd05911ac75d53aa8c9f717b4b0"))
2022-03-03 07:06.10 ---> using "404c235885055cd745b552882486f8b810a0b774621d6103597df8eba1715fda" 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.
[NOTE] Make sure that ~/.profile is well sourced in your ~/.bashrc.

2022-03-03 07:06.10 ---> using "0af54149d5e87a921b7dadf447f75ea502ca8353b2aa045688bdf344893d2879" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell "opam switch create --repositories=default '4.02' '4.02.3'"))

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "4.02.3"} | "ocaml-system" {= "4.02.3"}]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> retrieved ocaml-base-compiler.4.02.3  (https://github.com/ocaml/ocaml/archive/4.02.3.tar.gz)
-> installed ocaml-base-compiler.4.02.3
-> installed ocaml-config.1
-> installed ocaml.4.02.3
-> installed base-ocamlbuild.base
Done.
# Run eval $(opam env --switch=4.02) to update the current shell environment
2022-03-03 07:06.10 ---> using "b2bd03e71f2785187d8bc7b5222191eedc018dd7611816caa4458deb3aeb3506" from cache

/: (run (network host)
        (shell "opam update --depexts"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian unstable InRelease [165 kB]
- Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB]
- Ign:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages [9023 kB]
- Fetched 9252 kB in 2s (4219 kB/s)
- Reading package lists...
2022-03-03 07:06.10 ---> using "d1901494fe81fb4b42bcaf9dc25fc64b54abf802bbe0e3475665f2d461f7aa29" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell "opam install -y ocaml-secondary-compiler"))
The following actions will be performed:
  - install ocaml-secondary-compiler 4.08.1-1

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved ocaml-secondary-compiler.4.08.1-1  (cached)
-> installed ocaml-secondary-compiler.4.08.1-1
Done.
# Run eval $(opam env) to update the current shell environment
2022-03-03 07:06.10 ---> using "bdc8092b681f76a26f7a69644811c45e42df51aa66ae88dda3edf229db2f7ef2" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell  "\
               \nopam remove -y \"Snowflake.0.02.02\"\
               \nopam install -vy \"Snowflake.0.02.02\"\
               \nres=$?\
               \nif [ $res = 31 ]; then\
               \n    if opam show -f x-ci-accept-failures: \"Snowflake.0.02.02\" | 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\
               \n"))
[NOTE] Snowflake.0.02.02 is not installed.

Nothing to do.
[ERROR] Package conflict!
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 4.02.3 -> ocaml = 4.02.3
    - Snowflake >= 0.02.02 -> ocaml >= 4.08
    You can temporarily relax the switch invariant with `--update-invariant'

No solution found, exiting
'opam install -vy Snowflake.0.02.02' failed.
"/bin/bash" "-c"
"
opam remove -y "Snowflake.0.02.02"
opam install -vy "Snowflake.0.02.02"
res=$?
if [ $res = 31 ]; then
    if opam show -f x-ci-accept-failures: "Snowflake.0.02.02" | 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 20
Failed: Build failed