Building on laodoke.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:bb407f0ab6e2dc82dbe92df3e70b2bc766e3316a3deb0f8e1261a83d1ee9a8a6) 2022-07-31 18:06.09 ---> using "84ad74e48090150870a3f897d2aa4017a0b12d09be276f0731e715c5e6838ba3" 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")) 2022-07-31 18:06.09 ---> using "be6b4213b45a1b0ea178fb960e08c1a7ad35265b4a2569afe9e489d3c680a210" 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 3d455d59622e1fc4afaca747d0bb60440015528e")) 2022-07-31 18:06.09 ---> using "2fdc6004e5295913c5d70a730bac27055552229c20459beccd5addb9580ddb86" 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. 2022-07-31 18:06.09 ---> using "50ae04b82dccf8c14fad8a3f76afed55b097c55450975acbd7a4e66eac776465" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=default '4.02' '4.02.3'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.02.3"} | "ocaml-system" {= "4.02.3"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-base-compiler.4.02.3 (cached) -> installed ocaml-base-compiler.4.02.3 -> installed ocaml-config.1 -> installed ocaml.4.02.3 -> installed base-ocamlbuild.base Done. # Run eval $(opam env --switch=4.02) to update the current shell environment 2022-07-31 18:06.09 ---> using "8105139ce5de8470be7e2ff216df8e9d0e9d1e6083bf777e6621792c05b4011e" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [192 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-2022-07-31-1403.39-F-2022-07-19-1412.00.pdiff [899 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-07-31-1403.39-F-2022-07-19-1412.00.pdiff [899 kB] - Fetched 1155 kB in 3s (454 kB/s) - Reading package lists... - 2022-07-31 18:06.09 ---> using "2af5bab0f8354231241d95ef37fd10c4fef3a6ab0bb35846bd369923d49ad9d0" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install -y ocaml-secondary-compiler")) The following actions will be performed: === install 1 package - install ocaml-secondary-compiler 4.08.1-1 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved ocaml-secondary-compiler.4.08.1-1 (cached) -> installed ocaml-secondary-compiler.4.08.1-1 Done. # Run eval $(opam env) to update the current shell environment 2022-07-31 18:06.09 ---> using "ffecea58911c054014f7c2fc88de9c089daeb3c66ca2721ff333eeb187ad124b" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"alt-ergo-lib-free.2.3.3.dune3\"\ \nopam install -vy \"alt-ergo-lib-free.2.3.3.dune3\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"alt-ergo-lib-free.2.3.3.dune3\" | 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 $res\ \n")) Nothing to do. [NOTE] alt-ergo-lib-free.2.3.3.dune3 is not installed. [ERROR] Package conflict! * No agreement on the version of ocaml: - (invariant) -> ocaml-base-compiler = 4.02.3 -> ocaml = 4.02.3 - alt-ergo-lib-free >= 2.3.3.dune3 -> ocaml >= 4.04.0 You can temporarily relax the switch invariant with `--update-invariant' No solution found, exiting 'opam install -vy alt-ergo-lib-free.2.3.3.dune3' failed. "/bin/bash" "-c" " opam remove -y "alt-ergo-lib-free.2.3.3.dune3" opam install -vy "alt-ergo-lib-free.2.3.3.dune3" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "alt-ergo-lib-free.2.3.3.dune3" | 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