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Building on m1-a.ocamllabs.io

(from ocaml/opam:debian-unstable@sha256:0689b2c0bae81ca736a3cf47bf9f45d784bdbc49ceb862d61cac3392c998d272)
2022-04-06 17:57.01 ---> using "9694d2e78ab3fcaaf506053043dc404ac6350d10eabcb4e61663e36a98d481fd" 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"))
2022-04-06 17:57.01 ---> using "f1435c573d465aa4a3b32f3496f8ddaab4c185e5f8720ec93f2b8f5b9c107d4b" 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 aa1f173b2a62d094b9857fa09cf471a46424c4a8"))
2022-04-06 17:57.01 ---> using "16ab3e697c9012d52ecf2d027a886d80445d47f3204474de827be3a6a09ce5bd" 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:
[NOTE] Make sure that ~/.profile is well sourced in your ~/.bashrc.

  ~/.profile is already up-to-date.
2022-04-06 17:57.01 ---> using "161fa26fa8ff94f6712afd15c3db137cd2e1a4ac1ac76e29aae43348e67b52d7" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell "opam switch create --repositories=default '4.07' '4.07.1'"))

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "4.07.1"} | "ocaml-system" {= "4.07.1"}]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> retrieved ocaml-base-compiler.4.07.1  (cached)
-> installed ocaml-base-compiler.4.07.1
-> installed ocaml-config.1
-> installed ocaml.4.07.1
Done.
# Run eval $(opam env --switch=4.07) to update the current shell environment
2022-04-06 18:00.22 ---> saved as "5f9f712df40b16568ad616d4c902653810c1935ad19547a1aefbd39235885edb"

/: (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]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-04-06-1404.48-F-2022-03-29-0803.54.pdiff [526 kB]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-04-06-1404.48-F-2022-03-29-0803.54.pdiff [526 kB]
- Fetched 755 kB in 3s (270 kB/s)
- Reading package lists...
- 
2022-04-06 18:00.26 ---> saved as "b56a5a808c80e8dec1fd04d0a08a7dd0490b36e9180a21e5b8eb0ed271b953db"

/: (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 1 package
  - 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
2022-04-06 18:03.50 ---> saved as "ef648a55bce2b1cbe3783f53d7aa5758cb767730fd57dabb6d99289cc091a868"

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell  "\
               \nopam remove -y \"GT.0.5.0\"\
               \nopam install -vy \"GT.0.5.0\"\
               \nres=$?\
               \nif [ $res = 31 ]; then\
               \n    if opam show -f x-ci-accept-failures: \"GT.0.5.0\" | 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"))
Nothing to do.
[NOTE] GT.0.5.0 is not installed.

[ERROR] Package conflict!
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 4.07.1 -> ocaml = 4.07.1
    - GT >= 0.5.0 -> ocaml >= 4.10
    You can temporarily relax the switch invariant with `--update-invariant'

No solution found, exiting
'opam install -vy GT.0.5.0' failed.
"/bin/bash" "-c"
"
opam remove -y "GT.0.5.0"
opam install -vy "GT.0.5.0"
res=$?
if [ $res = 31 ]; then
    if opam show -f x-ci-accept-failures: "GT.0.5.0" | 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