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Building on x86-bm-1.ocamllabs.io

(from ocurrent/opam:debian-unstable)
2021-04-26 23:04.41 ---> using "ec5d5faa8619574bfe663422158251f52f4b465bd9d157e348e692194b4f4a2a" from cache

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

/: (env OPAMPRECISETRACKING 1)

/: (env OPAMDEPEXTYES 1)

/: (env OPAMUTF8 never)

/: (run (network host)
        (shell  "\
               \n        set -e\
               \n        git clone -q git://github.com/kit-ty-kate/opam.git /tmp/opam\
               \n        git -C /tmp/opam checkout -q '72695bfac80dbcd1d2f10287b2626d18d4acc9f2'\
               \n        opam remote set-url default git://github.com/ocaml/opam-repository.git\
               \n        opam pin add -yn /tmp/opam > /dev/null\
               \n        opam install -y opam-devel opam-0install-cudf 'ocamlfind>=1.9'\
               \n        sudo mv \"$(opam var opam-devel:lib)/opam\" /usr/bin/opam\
               \n        rm -rf /tmp/opam /tmp/depext.txt ~/.opam\
               \n        if ! test -d ~/opam-repository; then\
               \n          git clone -q git://github.com/ocaml/opam-repository.git ~/opam-repository\
               \n        else\
               \n          git -C ~/opam-repository pull -q origin master\
               \n        fi\
               \n        git -C ~/opam-repository checkout -q '1e78d71bc592606b0a193fef8546fe6bd918787a'\
               \n      "))
[default] Initialised

<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[opam-devel.2.1.0~beta4] no changes from git+file:///tmp/opam#HEAD

The following actions will be performed:
  - install ocamlfind          1.9.1
  - install seq                base         [required by re]
  - install cmdliner           1.0.4        [required by opam-devel]
  - install dune               2.8.5        [required by opam-0install-cudf, opam-devel]
  - install ocamlbuild         0.14.0       [required by cudf]
  - install base-bytes         base         [required by extlib]
  - install stdlib-shims       0.3.0        [required by ocamlgraph]
  - install re                 1.9.0        [required by opam-client]
  - install opam-file-format   2.1.2        [required by opam-format]
  - install cppo               1.6.7        [required by extlib]
  - install 0install-solver    2.17         [required by opam-0install-cudf]
  - install ocamlgraph         2.0.0        [required by dose3]
  - install extlib             1.7.7-1      [required by cudf, opam-client]
  - install opam-core          2.1.0~beta4* [required by opam-format]
  - install cudf               0.9-1        [required by opam-0install-cudf]
  - install opam-format        2.1.0~beta4* [required by opam-repository, opam-solver]
  - install opam-0install-cudf 0.4.1
  - install mccs               1.1+13       [required by opam-solver]
  - install dose3              5.0.1-1      [required by opam-solver]
  - install opam-repository    2.1.0~beta4* [required by opam-client]
  - install opam-solver        2.1.0~beta4* [required by opam-client]
  - install opam-state         2.1.0~beta4* [required by opam-client]
  - install opam-client        2.1.0~beta4* [required by opam-devel]
  - install opam-devel         2.1.0~beta4*
===== 24 to install =====

<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[cmdliner.1.0.4] downloaded from http://erratique.ch/software/cmdliner/releases/cmdliner-1.0.4.tbz
[0install-solver.2.17] downloaded from https://github.com/0install/0install/releases/download/v2.17/0install-v2.17.tbz
[cppo.1.6.7] downloaded from https://github.com/ocaml-community/cppo/releases/download/v1.6.7/cppo-v1.6.7.tbz
[cudf.0.9-1] downloaded from https://gforge.inria.fr/frs/download.php/36602/cudf-0.9.tar.gz
[dose3.5.0.1-1] downloaded from https://gforge.inria.fr/frs/download.php/file/36063/dose3-5.0.1.tar.gz
[dune.2.8.5] downloaded from https://github.com/ocaml/dune/releases/download/2.8.5/dune-2.8.5.tbz
[extlib.1.7.7-1] downloaded from https://ygrek.org/p/release/ocaml-extlib/extlib-1.7.7.tar.gz
[mccs.1.1+13] downloaded from https://github.com/AltGr/ocaml-mccs/archive/1.1+13.tar.gz
[ocamlfind.1.9.1] downloaded from http://download.camlcity.org/download/findlib-1.9.1.tar.gz
[ocamlbuild.0.14.0] downloaded from https://github.com/ocaml/ocamlbuild/archive/0.14.0.tar.gz
[ocamlgraph.2.0.0] downloaded from https://github.com/backtracking/ocamlgraph/releases/download/2.0.0/ocamlgraph-2.0.0.tbz
[opam-0install-cudf.0.4.1] downloaded from https://github.com/ocaml-opam/opam-0install-solver/releases/download/v0.4.1/opam-0install-cudf-v0.4.1.tbz
[opam-file-format.2.1.2] downloaded from https://github.com/ocaml/opam-file-format/archive/2.1.2.tar.gz
[re.1.9.0] downloaded from https://github.com/ocaml/ocaml-re/releases/download/1.9.0/re-1.9.0.tbz
[stdlib-shims.0.3.0] downloaded from https://github.com/ocaml/stdlib-shims/releases/download/0.3.0/stdlib-shims-0.3.0.tbz

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed seq.base
-> installed cmdliner.1.0.4
-> installed ocamlfind.1.9.1
-> installed base-bytes.base
-> installed ocamlbuild.0.14.0
-> installed dune.2.8.5
-> installed stdlib-shims.0.3.0
-> installed 0install-solver.2.17
-> installed cppo.1.6.7
-> installed opam-file-format.2.1.2
-> installed re.1.9.0
-> installed ocamlgraph.2.0.0
-> installed extlib.1.7.7-1
-> installed opam-core.2.1.0~beta4
-> installed cudf.0.9-1
-> installed opam-0install-cudf.0.4.1
-> installed mccs.1.1+13
-> installed opam-format.2.1.0~beta4
-> installed opam-repository.2.1.0~beta4
-> installed dose3.5.0.1-1
-> installed opam-solver.2.1.0~beta4
-> installed opam-state.2.1.0~beta4
-> installed opam-client.2.1.0~beta4
-> installed opam-devel.2.1.0~beta4
Done.

<><> opam-devel.2.1.0~beta4 installed successfully ><><><><><><><><><><><><><><>
=> The development version of opam has been successfully compiled into /home/opam/.opam/4.11/lib/opam-devel. You should not run it from there, please install the binaries to your PATH, e.g. with
       sudo cp /home/opam/.opam/4.11/lib/opam-devel/opam /usr/local/bin

   If you just want to give it a try without altering your current installation, you could use instead:
       alias opam2="OPAMROOT=~/.opam2 /home/opam/.opam/4.11/lib/opam-devel/opam"
# Run eval $(opam env) to update the current shell environment
2021-04-26 23:04.41 ---> using "215cc3cad6d72b5af8e976bbc82be0b110f13896ebd93583ddd11c66e9a0e793" from cache

/: (env OPAMEXTERNALSOLVER builtin-0install)

/: (env OPAMCRITERIA +removed)

/: (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.

2021-04-26 23:04.41 ---> using "1e9c04b3e91ca637b3395819b368f432edd5d570b1ed47f0533001293e4e4966" from cache

/: (run (network host)
        (shell "git clone -q 'git://github.com/ocaml/ocaml-beta-repository.git' ~/'beta' && git -C ~/'beta' checkout -q 79aeeadd813bdae424ab53f882f08bee0a4e0b89"))
2021-04-26 23:04.41 ---> using "5b60c918436c8fba5606fd631b4440fc15e58dab1d1615d59b184797db6df67f" from cache

/: (run (shell "opam repository add --dont-select 'beta' ~/'beta'"))
[beta] Initialised
2021-04-26 23:04.41 ---> using "4dd9c40857e9709f584661a11a9699c164e72099ee8d7aa906f7f5472fe49a6b" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell "opam switch create --repositories=beta,default 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  (cached)
-> 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=4.02.3) to update the current shell environment
2021-04-26 23:04.41 ---> using "99bf64b38aeca899c46fd86ce833dfa0ad94474d0e1890a1a845228fc9d40a0b" from cache

/: (run (network host)
        (shell "opam update --depexts"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian unstable InRelease [157 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 [8625 kB]
- Fetched 8846 kB in 3s (2898 kB/s)
- Reading package lists...
- 
2021-04-26 23:04.41 ---> using "1f1126bbe9339fd9fcbbd41df521acb66997867f8d74762fc94ee1898babf665" 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
2021-04-26 23:04.41 ---> using "74d6363e3112e5540cc5b8b20fcc2b087f09a36ec7be0d20c960e8775514c985" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell  "\
               \nopam install -vy \"buffer-pool.0.2\"\
               \nres=$?\
               \nif [ $res = 31 ]; then\
               \n    if opam show -f x-ci-accept-failures: \"buffer-pool.0.2\" | 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"))
[ERROR] Package conflict!
  * No agreement on the version of ocaml-base-compiler:
    - (invariant) -> ocaml-base-compiler = 4.02.3
    - buffer-pool -> ocaml >= 4.05.0 -> ocaml-base-compiler = 4.05.0
    You can temporarily relax the switch invariant with `--update-invariant'

No solution found, exiting
'opam install -vy buffer-pool.0.2' failed.
"/bin/bash" "-c"
"
opam install -vy "buffer-pool.0.2"
res=$?
if [ $res = 31 ]; then
    if opam show -f x-ci-accept-failures: "buffer-pool.0.2" | 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