Building on m1-a.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:286b1a07f166d69599599e77d36ff670e397cb189a08f108911b5151b4668ce1) 2022-06-03 19:51.36 ---> using "47ed2e5e0feee1987ba23dd55270cc6ad201fc29c17004e34e901e030428f794" 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")) 2022-06-03 19:51.36 ---> using "4a75653e8e13af1975fafc6190bea646f6c5227de6a31d9a10c263381aa24cc1" 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 acdf0fda43c6ad752dca7fbab614d7a45df50538")) 2022-06-03 19:51.36 ---> using "e017e24311b2d1facae68aa054d4808ac0fd85da474fe18b5feb752a484a7401" 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. 2022-06-03 19:51.36 ---> using "fe4ab29b581b2ba4fc496c6fcd5cd0653b4902fb6da880b540dae71463661523" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=default '4.14' '4.14.0'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.14.0"} | "ocaml-system" {= "4.14.0"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> installed ocaml-options-vanilla.1 -> retrieved ocaml-base-compiler.4.14.0 (cached) -> installed ocaml-base-compiler.4.14.0 -> installed ocaml-config.2 -> installed ocaml.4.14.0 Done. # Run eval $(opam env --switch=4.14) to update the current shell environment 2022-06-03 19:51.36 ---> using "35f241fbc0856fa8757d0431041f243bcf1408153e081321f0517e3b5e88d5d8" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [165 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-06-02-2003.50-F-2022-06-01-1416.25.pdiff [73.9 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-06-02-2003.50-F-2022-06-01-1416.25.pdiff [73.9 kB] - Fetched 303 kB in 3s (116 kB/s) - Reading package lists... - 2022-06-03 19:51.36 ---> using "7bdf882b4a68e48035fe32236b20fdbc5859023f669af71ee5958604f98aa489" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"owl-zoo.0.10.0\"\ \nopam install -vy \"owl-zoo.0.10.0\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"owl-zoo.0.10.0\" | 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 $res\ \n")) Nothing to do. [NOTE] owl-zoo.0.10.0 is not installed. [ERROR] Package conflict! * No agreement on the version of ocaml: - (invariant) -> ocaml-base-compiler >= 4.14.0 -> ocaml = 4.14.0 - owl-zoo = 0.10.0 -> ocaml < 4.14.0 You can temporarily relax the switch invariant with `--update-invariant' No solution found, exiting 'opam install -vy owl-zoo.0.10.0' failed. "/bin/bash" "-c" " opam remove -y "owl-zoo.0.10.0" opam install -vy "owl-zoo.0.10.0" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "owl-zoo.0.10.0" | 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