Building on cree.ocamllabs.io (from ocaml/opam:debian-unstable) 2022-01-02 08:34.01 ---> using "0acd5aeaa8f7bc314514d9795d14a7f12ec72a6a5b11c5904350189734c6859b" 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-2.1 /usr/bin/opam")) 2022-01-02 08:34.01 ---> using "4d29eb3e0b7cd69a97ed90837671d5ca38aa41e2fb94346298af500378eca6fa" 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 8ac7f1657038ae1b7a02e64d87aeb06912f4ca1c")) 2022-01-02 08:34.01 ---> using "0100302b458cd7f99084008cbb3689a3574b8bf20b782f0ddf1ff5969c6c5ace" 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. 2022-01-02 08:34.01 ---> using "96784e14b90597d9836bbfbd5d72400d6a30be51d8291df44ab311fc06b34787" 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 $(opam env --switch=4.13) to update the current shell environment 2022-01-02 08:34.01 ---> using "643f03c2fefe0b2115d1a4748481fc155938ff1b7549e5f30bc79a0edc253da4" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [165 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Ign:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages [8857 kB] - Fetched 9086 kB in 2s (5762 kB/s) - Reading package lists... - 2022-01-02 08:34.01 ---> using "e29ce767206c6a0d82df343e6aef90c9d38cc384304ca85a5017bb84cebe1031" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"base-threads.base\"\ \nopam install -vy \"base-threads.base\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"base-threads.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 - (request) You can temporarily relax the switch invariant with `--update-invariant' No solution found, exiting [NOTE] Package base-threads is already installed (current version is base). 2022-01-02 08:34.16 ---> saved as "3a67e1bce3edd452f25cb9013abe37f415920b832feb766ac6373dd1c5b26188" Job succeeded