Building on cree.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:dac9e1a27375cdaab0fe9288e19aec50c9f7c9949983a02f23c4605a41b23417) 2022-01-20 06:43.01 ---> using "d6b8f3baef5a751dd36b5cf113494d3cde391a684b9e1ad0ecddbdd31a9b0240" 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")) 2022-01-20 06:43.01 ---> using "4fcee69cd1f3fbaa56341cc55acc5dadceb08c9d3a95221ab83a44d8655a63e9" 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 88a5f798d0572591faadd1acf47032848c0d484d")) 2022-01-20 06:43.01 ---> using "55bb1869c2254ad932c1df1d900116fb5dc9fc0ae84e803ce1bf965c64038199" 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. 2022-01-20 06:43.01 ---> using "76467fc2c4accca716c81d550be637f2c7881e5fe369bc66572d9451b27233b8" 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+trunk'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-variants" {= "4.14.0+trunk"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-variants.4.14.0+trunk (https://github.com/ocaml/ocaml/archive/4.14.tar.gz) -> installed ocaml-variants.4.14.0+trunk -> installed ocaml-config.2 -> installed ocaml.4.14.0 Done. # Run eval $(opam env --switch=4.14) to update the current shell environment 2022-01-20 06:43.01 ---> using "f2b5a48cbebcb2db2241d07bc96b1033317e52a2290a60e6760602a9d16ccc87" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [165 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-01-20-0203.39-F-2022-01-12-2006.36.pdiff [443 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-01-20-0203.39-F-2022-01-12-2006.36.pdiff [443 kB] - Fetched 672 kB in 2s (398 kB/s) - Reading package lists... - 2022-01-20 06:43.01 ---> using "fbbeba8276b4e679341a8ec80e204aa63d97081e953c01497babbff9c1fb5c9a" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"base-unix.base\"\ \nopam install -vy \"base-unix.base\"\ \nres=$?\ \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-variants = 4.14.0+trunk -> 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). 2022-01-20 06:43.12 ---> saved as "4dddce71332dc4fe868f2c48ec9a0ac45b2111ff937520812c0089556840cf0a" Job succeeded