Building on phoebe.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:a20618cee40a09b4c7604919411db28c4ae473b9780730085f91824e8dd5f205) 2022-09-02 11:59.33 ---> using "00583e82ec888c922d57db664b8acb62b642829c5a4a94b17a44e5693b1db2de" 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")) 2022-09-02 11:59.33 ---> using "f816199fc982412d3ea70ae1ae1bab135eea82bc7670ac5d731bc57d0733e3c4" 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 418227c38ed4e28a0827786e5e9e50b9547c0b27")) 2022-09-02 11:59.33 ---> using "4cabcce7a0cb6de31986471b51abc9f1f3fec6a75be6e83e549da867c7605e5a" 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. 2022-09-02 11:59.33 ---> using "d451da695ab21573c7bdead4176eec083b0218f568c4ccf5f5b38b162d64d4d7" from cache /: (run (network host) (shell "git clone -q 'https://github.com/kit-ty-kate/opam-alpha-repository' ~/'alpha' && git -C ~/'alpha' checkout -q 6c5c682bd9208419bc24faaa163e42e74cb4e9a5")) 2022-09-02 11:59.33 ---> using "6df2c126a9b1ccede02c2b3fd26d0561e2107be8c6304477ccb8de0a479f33c1" from cache /: (run (shell "opam repository add --dont-select 'alpha' ~/'alpha'")) [alpha] Initialised 2022-09-02 11:59.33 ---> using "36c2866864e62ed4ca7db324088339d0b6f8bfe49e44038af6b20b9d54e88efd" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=alpha,default '5.0+alpha-repo' '5.0.0+trunk'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-variants" {= "5.0.0+trunk"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-variants.5.0.0+trunk (https://github.com/ocaml/ocaml/archive/5.0.tar.gz) -> installed ocaml-variants.5.0.0+trunk -> installed ocaml-config.3 -> installed ocaml.5.0.0 -> installed base-domains.base -> installed base-nnp.base Done. # Run eval $(opam env --switch=5.0+alpha-repo) to update the current shell environment 2022-09-02 11:59.33 ---> using "d0af8b0acc9dfb423091d8298ed9937c524ea943b8afa3166209172a10c7c646" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [192 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-09-02-0804.09-F-2022-08-29-1405.22.pdiff [252 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-09-02-0804.09-F-2022-08-29-1405.22.pdiff [252 kB] - Fetched 508 kB in 3s (201 kB/s) - Reading package lists... - 2022-09-02 11:59.33 ---> using "26b19488803a26f98ff4a26939ab35d3570fd165e979664e48d2aced1a5c2b5a" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"apero-core.0.4.7\"\ \nopam install -vy \"apero-core.0.4.7\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"apero-core.0.4.7\" | 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 $res\ \n")) Nothing to do. [NOTE] apero-core.0.4.7 is not installed. [ERROR] Package conflict! * No agreement on the version of ocaml: - (invariant) -> ocaml-variants = 5.0.0+trunk -> ocaml = 5.0.0 - apero-core -> ppx_deriving = 4.4 -> ocaml < 4.10.0 You can temporarily relax the switch invariant with `--update-invariant' No solution found, exiting 'opam install -vy apero-core.0.4.7' failed. "/bin/bash" "-c" " opam remove -y "apero-core.0.4.7" opam install -vy "apero-core.0.4.7" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "apero-core.0.4.7" | 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