Building on x86-bm-2.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:0689b2c0bae81ca736a3cf47bf9f45d784bdbc49ceb862d61cac3392c998d272) 2022-04-06 18:14.55 ---> 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 18:14.55 ---> 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 18:14.55 ---> 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: [NOTE] Make sure that ~/.profile is well sourced in your ~/.bashrc. ~/.profile is already up-to-date. 2022-04-06 18:14.55 ---> using "161fa26fa8ff94f6712afd15c3db137cd2e1a4ac1ac76e29aae43348e67b52d7" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=default '5.0' '5.0.0+trunk'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-variants" {= "5.0.0+trunk"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-variants.5.0.0+trunk (https://github.com/ocaml/ocaml/archive/trunk.tar.gz) -> installed ocaml-variants.5.0.0+trunk -> installed ocaml-config.2 -> installed ocaml.5.0.0 -> installed base-domains.base -> installed base-nnp.base Done. # Run eval $(opam env --switch=5.0) to update the current shell environment 2022-04-06 18:14.55 ---> using "4fe020c4fa888d0431c8c5cde8acbf822fa516d7fc3e336457ddc67dac0f69b9" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [165 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-04-06-1404.48-F-2022-03-29-0803.54.pdiff [526 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-04-06-1404.48-F-2022-03-29-0803.54.pdiff [526 kB] - Fetched 755 kB in 2s (410 kB/s) - Reading package lists... 2022-04-06 18:14.55 ---> using "36ae673d88958ab8334999e42a45eeedc22d8dab21880d1d5d86c9a003cbfa35" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"amf.0.1.2\"\ \nopam install -vy \"amf.0.1.2\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"amf.0.1.2\" | 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 $res\ \n")) [NOTE] amf.0.1.2 is not installed. Nothing to do. [ERROR] Package conflict! No solution found, exiting * No agreement on the version of ocaml: - (invariant) -> ocaml-variants >= 5.0.0+trunk -> ocaml >= 5.0.0 - amf >= 0.1.2 -> core < v0.13 -> ocaml < 4.00.1 You can temporarily relax the switch invariant with `--update-invariant' * No agreement on the version of ocaml-variants: - (invariant) -> ocaml-variants >= 5.0.0+trunk - amf >= 0.1.2 -> core < v0.13 -> ocaml = 4.02.3 -> ocaml-variants < 4.02.4~ 'opam install -vy amf.0.1.2' failed. "/bin/bash" "-c" " opam remove -y "amf.0.1.2" opam install -vy "amf.0.1.2" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "amf.0.1.2" | 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