Building on laodoke.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:3794ee62a7fce85a684ef8d17a97b2f35a24f0d7e270c1c064f789e115ce2680) 2022-06-20 23:56.40 ---> using "bc6ddede489eb9279cf9755493c550ebcf9992e17ae0035d89337b3a0266ee1d" 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")) 2022-06-20 23:56.40 ---> using "2193bfc3c6e974e1eed1a3239ffa54bf12d29cbc1f806facc7ae48af2584e8ce" 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 0b80c2d48dae2b07798f39c00665a40ead379c1f")) 2022-06-20 23:56.40 ---> using "0872a7876b6114f71f0b61f873dc10a666ae2aba5e7460d1543c68652172324d" 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. 2022-06-20 23:56.40 ---> using "a664420c8d230348a7667a27e590157b3ecd012f463afd05a7f19049d5741277" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=default '4.11' '4.11.2'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.11.2"} | "ocaml-system" {= "4.11.2"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-base-compiler.4.11.2 (cached) -> installed ocaml-base-compiler.4.11.2 -> installed ocaml-config.1 -> installed ocaml.4.11.2 Done. # Run eval $(opam env --switch=4.11) to update the current shell environment 2022-06-20 23:56.40 ---> using "653a5be4fa844b650cadd498f6d6175847407fd5ee8bedecc32a4652886a128c" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [165 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-06-20-2009.00-F-2022-06-14-2004.21.pdiff [449 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-06-20-2009.00-F-2022-06-14-2004.21.pdiff [449 kB] - Fetched 678 kB in 3s (221 kB/s) - Reading package lists... 2022-06-20 23:56.40 ---> using "8a5a5e8ea3b50133afd7b7909ede932b23bb8350835c259ff481fb4aeadc05e2" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"JsOfOCairo.2.0.0\"\ \nopam install -vy \"JsOfOCairo.2.0.0\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"JsOfOCairo.2.0.0\" | 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 $res\ \n")) Nothing to do. [NOTE] JsOfOCairo.2.0.0 is not installed. [ERROR] Package conflict! No solution found, exiting * No agreement on the version of ocaml: - (invariant) -> ocaml-base-compiler = 4.11.2 -> ocaml = 4.11.2 - JsOfOCairo >= 2.0.0 -> js_of_ocaml < 3.4 -> ocaml < 4.01.0 You can temporarily relax the switch invariant with `--update-invariant' 'opam install -vy JsOfOCairo.2.0.0' failed. "/bin/bash" "-c" " opam remove -y "JsOfOCairo.2.0.0" opam install -vy "JsOfOCairo.2.0.0" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "JsOfOCairo.2.0.0" | 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