Building on phoebe.ocamllabs.io (from ocaml/opam:debian-unstable@sha256:dac9e1a27375cdaab0fe9288e19aec50c9f7c9949983a02f23c4605a41b23417) Unable to find image 'ocaml/opam:debian-unstable@sha256:dac9e1a27375cdaab0fe9288e19aec50c9f7c9949983a02f23c4605a41b23417' locally docker.io/ocaml/opam@sha256:dac9e1a27375cdaab0fe9288e19aec50c9f7c9949983a02f23c4605a41b23417: Pulling from ocaml/opam bd3794a0f276: Already exists 044f3a12a228: Pulling fs layer 9e24edb95a62: Pulling fs layer 9e24edb95a62: Verifying Checksum 9e24edb95a62: Download complete 044f3a12a228: Verifying Checksum 044f3a12a228: Download complete 044f3a12a228: Pull complete 9e24edb95a62: Pull complete Digest: sha256:dac9e1a27375cdaab0fe9288e19aec50c9f7c9949983a02f23c4605a41b23417 Status: Downloaded newer image for ocaml/opam@sha256:dac9e1a27375cdaab0fe9288e19aec50c9f7c9949983a02f23c4605a41b23417 2022-01-20 06:43.04 ---> using "d6b8f3baef5a751dd36b5cf113494d3cde391a684b9e1ad0ecddbdd31a9b0240" 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")) 2022-01-20 06:43.04 ---> using "4fcee69cd1f3fbaa56341cc55acc5dadceb08c9d3a95221ab83a44d8655a63e9" 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 88a5f798d0572591faadd1acf47032848c0d484d")) 2022-01-20 06:43.04 ---> using "55bb1869c2254ad932c1df1d900116fb5dc9fc0ae84e803ce1bf965c64038199" 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. 2022-01-20 06:43.04 ---> using "76467fc2c4accca716c81d550be637f2c7881e5fe369bc66572d9451b27233b8" 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 (https://github.com/ocaml/ocaml/archive/4.08.1.tar.gz) -> installed ocaml-base-compiler.4.08.1 -> installed ocaml-config.1 -> installed ocaml.4.08.1 Done. # Run eval $(opam env --switch=4.08) to update the current shell environment 2022-01-20 06:43.04 ---> using "a9337678ec0d7b6451a6c0b68cb0bf6034eb17bb63c647c9a37e77d5e5621b30" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [165 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-01-20-0203.39-F-2022-01-12-2006.36.pdiff [443 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-01-20-0203.39-F-2022-01-12-2006.36.pdiff [443 kB] - Fetched 672 kB in 4s (152 kB/s) - Reading package lists... - 2022-01-20 06:43.04 ---> using "c41c0c117455a2b1692183d5b33447dc6180d070def181f48d6952428f0f5b03" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "\ \nopam remove -y \"base-unsafe-string.base\"\ \nopam install -vy \"base-unsafe-string.base\"\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: \"base-unsafe-string.base\" | 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 $res\ \n")) [NOTE] base-unsafe-string.base is not installed. Nothing to do. [ERROR] Package conflict! No solution found, exiting * No agreement on the version of ocaml: - (invariant) -> ocaml-base-compiler = 4.08.1 -> ocaml = 4.08.1 - base-unsafe-string -> ocaml < 4.06.0 You can temporarily relax the switch invariant with `--update-invariant' 'opam install -vy base-unsafe-string.base' failed. "/bin/bash" "-c" " opam remove -y "base-unsafe-string.base" opam install -vy "base-unsafe-string.base" res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: "base-unsafe-string.base" | 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