Building on apache.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:bb407f0ab6e2dc82dbe92df3e70b2bc766e3316a3deb0f8e1261a83d1ee9a8a6) 2022-07-31 19:40.57 ---> 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 19:40.57 ---> 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 19:40.57 ---> 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 19:40.57 ---> using "50ae04b82dccf8c14fad8a3f76afed55b097c55450975acbd7a4e66eac776465" from cache /: (run (network host) (shell "git clone -q 'https://github.com/kit-ty-kate/opam-alpha-repository' ~/'alpha' && git -C ~/'alpha' checkout -q 6c5c682bd9208419bc24faaa163e42e74cb4e9a5")) 2022-07-31 19:40.57 ---> using "ddc062734438ce514ac9d7c206d0c461e9c85d05c9199ba554cdebb4bec978cf" from cache /: (run (shell "opam repository add --dont-select 'alpha' ~/'alpha'")) [alpha] Initialised 2022-07-31 19:40.57 ---> using "4c7606c4a9e43c7a12bd97ab6b1d072c73cc0ecd421195bdd3febf8aceed9227" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=alpha,default '4.14+alpha-repo' '4.14.0'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.14.0"} | "ocaml-system" {= "4.14.0"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> installed ocaml-options-vanilla.1 -> retrieved ocaml-base-compiler.4.14.0 (https://github.com/ocaml/ocaml/archive/4.14.0.tar.gz) -> installed ocaml-base-compiler.4.14.0 -> installed ocaml-config.2 -> installed ocaml.4.14.0 Done. # Run eval $(opam env --switch=4.14+alpha-repo) to update the current shell environment 2022-07-31 19:40.57 ---> using "908a50bc9500ba03886ee2a20c4ae6855d97764f2ecc864c92e924363debff0b" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [192 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-07-31-1403.39-F-2022-07-19-1412.00.pdiff [899 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-07-31-1403.39-F-2022-07-19-1412.00.pdiff [899 kB] - Fetched 1155 kB in 2s (625 kB/s) - Reading package lists... - 2022-07-31 19:40.57 ---> using "fff355dce0b74a8ecefbfd0f9b6f92df15ba9b43f0ab4c9dcb56d65d6ae59420" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"bamboo.0.0.03\"\ \nopam install -vy \"bamboo.0.0.03\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"bamboo.0.0.03\" | 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 $res\ \n")) Nothing to do. [NOTE] bamboo.0.0.03 is not installed. [ERROR] Package conflict! * No agreement on the version of ocaml: - (invariant) -> ocaml-base-compiler = 4.14.0 -> ocaml = 4.14.0 - bamboo >= 0.0.03 -> hex < 1.1.0 -> ocaml < 4.06.0 You can temporarily relax the switch invariant with `--update-invariant' No solution found, exiting 'opam install -vy bamboo.0.0.03' failed. "/bin/bash" "-c" " opam remove -y "bamboo.0.0.03" opam install -vy "bamboo.0.0.03" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "bamboo.0.0.03" | 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