Building on m1-b.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:0689b2c0bae81ca736a3cf47bf9f45d784bdbc49ceb862d61cac3392c998d272) 2022-04-06 21:40.38 ---> 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 21:40.38 ---> 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 21:40.38 ---> 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: ~/.profile is already up-to-date. [NOTE] Make sure that ~/.profile is well sourced in your ~/.bashrc. 2022-04-06 21:40.38 ---> using "161fa26fa8ff94f6712afd15c3db137cd2e1a4ac1ac76e29aae43348e67b52d7" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=default '4.13' '4.13.1'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.13.1"} | "ocaml-system" {= "4.13.1"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> installed ocaml-options-vanilla.1 -> retrieved ocaml-base-compiler.4.13.1 (cached) -> installed ocaml-base-compiler.4.13.1 -> installed ocaml-config.2 -> installed ocaml.4.13.1 Done. # Run eval $(opam env --switch=4.13) to update the current shell environment 2022-04-06 21:40.38 ---> using "4f7da7769fae3f1bbf23a88d7975caacfaa755745d4e81d9e7650f220d72e9eb" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [165 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-04-06-1404.48-F-2022-03-29-0803.54.pdiff [526 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-04-06-1404.48-F-2022-03-29-0803.54.pdiff [526 kB] - Fetched 755 kB in 3s (264 kB/s) - Reading package lists... - 2022-04-06 21:40.38 ---> using "835eedab56a87e2bbf2687c52bef9333ce2d401f24659e7f453098b0e0d7f558" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"base-unix.base\"\ \nopam install -vy \"base-unix.base\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"base-unix.base\" | 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")) * Incompatible packages: - (invariant) -> ocaml-base-compiler = 4.13.1 -> base-unix - (request) You can temporarily relax the switch invariant with `--update-invariant' No solution found, exiting [NOTE] Package base-unix is already installed (current version is base). 2022-04-06 21:40.49 ---> saved as "402d7df2480a965f8572a0d0f82c0690fc756f2c13e5f7533741b59dfe310d94" Job succeeded