Building on x86-bm-6.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:bb407f0ab6e2dc82dbe92df3e70b2bc766e3316a3deb0f8e1261a83d1ee9a8a6) 2022-07-31 18:43.44 ---> 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 18:43.44 ---> 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 18:43.44 ---> 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 18:43.44 ---> using "50ae04b82dccf8c14fad8a3f76afed55b097c55450975acbd7a4e66eac776465" 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 $(opam env --switch=4.08) to update the current shell environment 2022-07-31 18:43.44 ---> using "7236e921690c8c3f05afc60627e2530f57bcf04646235ab594b44da2cfe8b6b2" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [192 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-07-31-1403.39-F-2022-07-19-1412.00.pdiff [899 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-07-31-1403.39-F-2022-07-19-1412.00.pdiff [899 kB] - Fetched 1155 kB in 3s (341 kB/s) - Reading package lists... - 2022-07-31 18:43.44 ---> using "2afbffbe93550782602432e550f109d4eba78eb5aa136ae976e959dd9e9ccb9e" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"async-zmq.0.3.0\"\ \nopam install -vy \"async-zmq.0.3.0\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"async-zmq.0.3.0\" | 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 $res\ \n")) [NOTE] async-zmq.0.3.0 is not installed. Nothing to do. [ERROR] Package conflict! * No agreement on the version of ocaml-base-compiler: - (invariant) -> ocaml-base-compiler = 4.08.1 - async-zmq >= 0.3.0 -> async < v0.10 -> ocaml < 4.03 -> ocaml-base-compiler < 3.07+1 You can temporarily relax the switch invariant with `--update-invariant' * No agreement on the version of ocaml: - (invariant) -> ocaml-base-compiler = 4.08.1 -> ocaml = 4.08.1 - async-zmq >= 0.3.0 -> async < v0.10 -> core < v0.10 -> base < v0.10 -> ocaml < 4.07.0 * Missing dependency: - async-zmq >= 0.3.0 -> async < v0.10 -> async_core < 108.00.02 -> core < 108.00.02 no matching version * Missing dependency: - async-zmq >= 0.3.0 -> async < v0.10 -> ocaml < 4.03 -> ocaml-variants -> ocaml-beta unmet availability conditions: 'enable-ocaml-beta-repository' No solution found, exiting 'opam install -vy async-zmq.0.3.0' failed. "/bin/bash" "-c" " opam remove -y "async-zmq.0.3.0" opam install -vy "async-zmq.0.3.0" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "async-zmq.0.3.0" | 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