Building on c2-2.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:a42f35561d41e85e4a327ee28d83a553e76cdf0155b27d26a2ef8990bb2f046c) 2022-10-31 14:49.45 ---> using "c23bc2f98953a10b5a06e9b2e13482c677fdd2815375b2a51fc9f7ade67b5adc" 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")) 2022-10-31 14:49.45 ---> using "210e7df6a53eab738719ebea1f025b4c21bf528a921204237a690f0940d2fd05" 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 260f9626421e5694f020c6b6c61d3e74a22fc84e")) 2022-10-31 14:49.45 ---> using "e444cd13964be808fe3be000d5c3e607536747ff61a8a5fa2ec24fdd4822e396" 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. 2022-10-31 14:49.45 ---> using "5dd384d3ad718769d3b77dd5940c656a7d5d1799741bb51c91a4a44a43a63f61" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=default '4.08' '4.08.1'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.08.1"} | "ocaml-system" {= "4.08.1"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-base-compiler.4.08.1 (cached) -> installed ocaml-base-compiler.4.08.1 -> installed ocaml-config.1 -> installed ocaml.4.08.1 Done. # Run eval $(opam env --switch=4.08) to update the current shell environment 2022-10-31 14:49.45 ---> using "473e2d1f5dfd6aa7182d9ec44bd014771d2d33da6ed1209e7c283d6d2b565679" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [161 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-10-31-0805.42-F-2022-10-24-1405.29.pdiff [523 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-10-31-0805.42-F-2022-10-24-1405.29.pdiff [523 kB] - Fetched 747 kB in 2s (458 kB/s) - Reading package lists... - 2022-10-31 14:49.45 ---> using "fdd5951f79de72fe1fdedd9997512d0ae13b8e50ba6ac5fa865f921a180287cb" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"JsOfOCairo.2.0.0\"\ \nopam install -vy \"JsOfOCairo.2.0.0\"\ \nres=$?\ \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 $res\ \n")) [NOTE] JsOfOCairo.2.0.0 is not installed. Nothing to do. [ERROR] Package conflict! * No agreement on the version of ocaml: - (invariant) -> ocaml-base-compiler = 4.08.1 -> ocaml = 4.08.1 - JsOfOCairo >= 2.0.0 -> js_of_ocaml-compiler < 3.4 -> ocaml < 4.06.0 You can temporarily relax the switch invariant with `--update-invariant' No solution found, exiting 'opam install -vy JsOfOCairo.2.0.0' failed. "/bin/bash" "-c" " opam remove -y "JsOfOCairo.2.0.0" opam install -vy "JsOfOCairo.2.0.0" res=$? 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