Building on laodoke.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:a42f35561d41e85e4a327ee28d83a553e76cdf0155b27d26a2ef8990bb2f046c) 2022-10-31 21:10.45 ---> using "c23bc2f98953a10b5a06e9b2e13482c677fdd2815375b2a51fc9f7ade67b5adc" 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")) 2022-10-31 21:10.45 ---> using "210e7df6a53eab738719ebea1f025b4c21bf528a921204237a690f0940d2fd05" 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 260f9626421e5694f020c6b6c61d3e74a22fc84e")) 2022-10-31 21:10.45 ---> using "e444cd13964be808fe3be000d5c3e607536747ff61a8a5fa2ec24fdd4822e396" 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. 2022-10-31 21:10.45 ---> using "5dd384d3ad718769d3b77dd5940c656a7d5d1799741bb51c91a4a44a43a63f61" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=default '4.10' '4.10.2'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.10.2"} | "ocaml-system" {= "4.10.2"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-base-compiler.4.10.2 (cached) -> installed ocaml-base-compiler.4.10.2 -> installed ocaml-config.1 -> installed ocaml.4.10.2 Done. # Run eval $(opam env --switch=4.10) to update the current shell environment 2022-10-31 21:10.45 ---> using "62c39de6f09294ee2047a7b3105d7354d973c2bb0d962736d3abf955ee764bc7" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [161 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-10-31-0805.42-F-2022-10-24-1405.29.pdiff [523 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-10-31-0805.42-F-2022-10-24-1405.29.pdiff [523 kB] - Fetched 747 kB in 3s (265 kB/s) - Reading package lists... - 2022-10-31 21:10.45 ---> using "be99bd9beb18e8a6660746652a4e07fb83c7c15eff600722196bb376c0c57aca" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"base-unix.base\"\ \nopam install -vy \"base-unix.base\"\ \nres=$?\ \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 = 4.10.2 -> 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). 2022-10-31 21:10.59 ---> saved as "896ad954d9cbb8e1d345101bf8aba8e91574a6691c283178f7d5ca6601456e22" Job succeeded