Building on phoebe.ocamllabs.io (from ocaml/opam:debian-unstable) Unable to find image 'ocaml/opam:debian-unstable' locally debian-unstable: Pulling from ocaml/opam 76d3fc461301: Pulling fs layer 4ef6d20bd5d7: Pulling fs layer f5ab1124984a: Pulling fs layer 76d3fc461301: Verifying Checksum 76d3fc461301: Download complete f5ab1124984a: Verifying Checksum f5ab1124984a: Download complete 4ef6d20bd5d7: Verifying Checksum 4ef6d20bd5d7: Download complete 76d3fc461301: Pull complete 4ef6d20bd5d7: Pull complete f5ab1124984a: Pull complete Digest: sha256:8e32e0d09a8f957267511ce7ffcb86567614efb6d6bb72b6aea9be9dac1bf3e7 Status: Downloaded newer image for ocaml/opam:debian-unstable 2021-09-03 03:24.49 ---> using "0acd5aeaa8f7bc314514d9795d14a7f12ec72a6a5b11c5904350189734c6859b" 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-2.1 /usr/bin/opam")) 2021-09-03 03:24.49 ---> using "4d29eb3e0b7cd69a97ed90837671d5ca38aa41e2fb94346298af500378eca6fa" from cache /: (run (network host) (shell "rm -rf ~/opam-repository && git clone -q 'git://github.com/ocaml/opam-repository.git' ~/opam-repository && git -C ~/opam-repository checkout -q 8fc7af65ccb8f3b3709bf02b749ac492e6700b59")) 2021-09-03 03:24.49 ---> using "eb095db6df41eeadc708604343f7b0ce0892db9136dac67a38046f57271c5802" 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. 2021-09-03 03:24.49 ---> using "d245c9af6f86b2b97434d338a3fbb8270425ab7dc6ad1b5451665adc9698eabf" from cache /: (run (network host) (shell "git clone -q 'git://github.com/ocaml/ocaml-beta-repository.git' ~/'beta' && git -C ~/'beta' checkout -q 79aeeadd813bdae424ab53f882f08bee0a4e0b89")) 2021-09-03 03:24.49 ---> using "20d9850dcecd0523d6eddecad814e9bbd93882334348605bfa6e15ffd8f5ced5" from cache /: (run (shell "opam repository add --dont-select 'beta' ~/'beta'")) [beta] Initialised 2021-09-03 03:24.49 ---> using "6f8879c5099d2146b69bdcec3874fd111cad6c5c42ac63d5f9aa72a228fd8ee8" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=beta,default 4.03.0")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.03.0"} | "ocaml-system" {= "4.03.0"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-base-compiler.4.03.0 (cached) -> installed ocaml-base-compiler.4.03.0 -> installed ocaml-config.1 -> installed ocaml.4.03.0 Done. # Run eval $(opam env --switch=4.03.0) to update the current shell environment 2021-09-03 03:24.49 ---> using "8417f45d0b86b4955504dfee18149d5e6aa33611dd33bfa1a43fe0fcf04f1ba5" 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 [8766 kB] - Fetched 8994 kB in 2s (5423 kB/s) - Reading package lists... - 2021-09-03 03:24.49 ---> using "df1d3da6e043874a2125d2d4c1391526aef43ea0ca6faa10f22a8dbb793c4f37" 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 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 $(opam env) to update the current shell environment 2021-09-03 03:24.49 ---> using "8481b01c554af258200d84c26f89d2bf90e521c6ae640255d866eba05dcada3a" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"Snowflake.0.02.01\"\ \nopam install -vy \"Snowflake.0.02.01\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"Snowflake.0.02.01\" | 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 $res\ \n")) Nothing to do. [NOTE] Snowflake.0.02.01 is not installed. [ERROR] Package conflict! * No agreement on the version of ocaml: - (invariant) -> ocaml-base-compiler = 4.03.0 -> ocaml = 4.03.0 - Snowflake >= 0.02.01 -> ocaml >= 4.08 You can temporarily relax the switch invariant with `--update-invariant' No solution found, exiting 'opam install -vy Snowflake.0.02.01' failed. "/bin/bash" "-c" " opam remove -y "Snowflake.0.02.01" opam install -vy "Snowflake.0.02.01" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "Snowflake.0.02.01" | 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