Building on cree.caelum.ci.dev (from ocaml/opam:debian-unstable@sha256:351ef2434170dd736677f66ceb28e20fa1649b37428cad0800bdc36fe504db4b) 2023-09-03 09:22.39 ---> using "ff03b32e0a6cf2ce303c7046b6adb41cde48e369e8bae8ff1d650232e0c267e3" 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")) 2023-09-03 09:22.39 ---> using "8fc1ae55a4a3f26c0beaf302801e86daa1ab8755b766f649d6901101de395b1e" 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 1d9d333b7333bbe4a1d72abc88e6eb710cc7adde")) 2023-09-03 09:22.39 ---> using "ee0526d51cf321e5b5ad5bdd83a80dde0c76f79431a86757e7238c836c9c3bb7" 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. 2023-09-03 09:22.39 ---> using "b2a6992a0469aa477236695a0a7cf18e2570adf8ed49e71804c7e1f1b2e10091" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=default '4.09' '4.09.1'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.09.1"} | "ocaml-system" {= "4.09.1"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-base-compiler.4.09.1 (cached) -> installed ocaml-base-compiler.4.09.1 -> installed ocaml-config.1 -> installed ocaml.4.09.1 Done. # Run eval $(opam env --switch=4.09) to update the current shell environment 2023-09-03 09:22.39 ---> using "de581da42442539b645d365750eb1742d7f39250da22f1100dab8e4da9aa6dc2" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [210 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2023-09-02-1419.37-F-2023-08-24-0819.20.pdiff [534 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2023-09-02-1419.37-F-2023-08-24-0819.20.pdiff [534 kB] - Fetched 808 kB in 2s (448 kB/s) - Reading package lists... - 2023-09-03 09:22.39 ---> using "172629f82cafaee0925c3fcd19e9b81e750721a178a8bbae66525a18097b1be8" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"sequencer_table.v0.16.0\"\ \nopam install -vy \"sequencer_table.v0.16.0\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"sequencer_table.v0.16.0\" | 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 $res\ \n")) Nothing to do. [NOTE] sequencer_table.v0.16.0 is not installed. [ERROR] Package conflict! * No agreement on the version of ocaml: - (invariant) -> ocaml-base-compiler = 4.09.1 -> ocaml = 4.09.1 - sequencer_table >= v0.16.0 -> ocaml >= 4.14.0 You can temporarily relax the switch invariant with `--update-invariant' No solution found, exiting 'opam install -vy sequencer_table.v0.16.0' failed. "/usr/bin/env" "bash" "-c" " opam remove -y "sequencer_table.v0.16.0" opam install -vy "sequencer_table.v0.16.0" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "sequencer_table.v0.16.0" | 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