Building on laodoke.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:ab7f0b8ac566a6726439e621a0807bcd9fc12180ea873955fd963cfd263c279c) 2022-05-11 21:38.43 ---> using "31be97220bde553e6e760a64d33a5a13bf22f7bc7b939c6db9f7e6618bb986a9" 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")) 2022-05-11 21:38.43 ---> using "179f53753baadbe2063c82b23383d48191f66b8e16101240f7dfbf1ced2cc270" 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 7ebba7f05b4ae6507db523882e2a6df3fcb82fb3")) 2022-05-11 21:38.43 ---> using "e03d0e1409ca900b4238dc5a99fda90533ac437f633561f6a23a7ce554600652" 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. 2022-05-11 21:38.43 ---> using "f2b762bd14fc0fe661511410f052bca3d3a6d98c0572418fb3219e7975323dc4" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=default '4.07' '4.07.1'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.07.1"} | "ocaml-system" {= "4.07.1"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-base-compiler.4.07.1 (cached) -> installed ocaml-base-compiler.4.07.1 -> installed ocaml-config.1 -> installed ocaml.4.07.1 Done. # Run eval $(opam env --switch=4.07) to update the current shell environment 2022-05-11 21:38.43 ---> using "2aaed5a24460a90cfcbaf672f3c3917f2772bafbcf80af1a721eef3d513d3c44" 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] - Ign:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages [9165 kB] - Fetched 9394 kB in 2s (4716 kB/s) - Reading package lists... 2022-05-11 21:38.43 ---> using "71866f4b2f645fecfda6b7199d6019bab010914e684758ae061ec3263f965077" 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 $(opam env) to update the current shell environment 2022-05-11 21:38.43 ---> using "c0057afe624d6198bef9ad7bdd6c930144193ab9e2f21e2f73bce9ffa7b30f1e" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"GuaCaml.0.04\"\ \nopam install -vy \"GuaCaml.0.04\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"GuaCaml.0.04\" | 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 $res\ \n")) [NOTE] GuaCaml.0.04 is not installed. Nothing to do. [ERROR] Package conflict! No solution found, exiting * No agreement on the version of ocaml-base-compiler: - (invariant) -> ocaml-base-compiler = 4.07.1 - GuaCaml >= 0.04 -> ocaml >= 4.13 -> ocaml-base-compiler >= 4.13.0~ You can temporarily relax the switch invariant with `--update-invariant' * Missing dependency: - GuaCaml >= 0.04 -> ocaml >= 4.13 -> ocaml-variants < 4.14.2~ -> ocaml-beta unmet availability conditions: 'enable-ocaml-beta-repository' 'opam install -vy GuaCaml.0.04' failed. "/bin/bash" "-c" " opam remove -y "GuaCaml.0.04" opam install -vy "GuaCaml.0.04" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "GuaCaml.0.04" | 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