Building on x86-bm-c6.sw.ocaml.org (from ocaml/opam:debian-unstable) Unable to find image 'ocaml/opam:debian-unstable' locally debian-unstable: Pulling from ocaml/opam b2bc7517a124: Pulling fs layer b2bc7517a124: Verifying Checksum b2bc7517a124: Download complete b2bc7517a124: Pull complete Digest: sha256:89df21cca807fa87b4b2f289b786c2274be7311ffc6c6f947386d1042094600a Status: Downloaded newer image for ocaml/opam:debian-unstable 2025-05-23 13:46.34 ---> using "0acd5aeaa8f7bc314514d9795d14a7f12ec72a6a5b11c5904350189734c6859b" from cache /: (user (uid 1000) (gid 1000)) /: (env OPAMPRECISETRACKING 1) /: (env OPAMUTF8 never) /: (env OPAMEXTERNALSOLVER builtin-0install) /: (env OPAMCRITERIA +removed) /: (env CI true) /: (env OPAM_HEALTH_CHECK_CI true) /: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam")) 2025-05-23 13:46.34 ---> using "40df4fa4cdfc68a5fa7a326047e82a7adc5df52b8059d4a7b745bdd50aad56e7" 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 d4d1aa63ab7830b868cb8cbd85e076c699d8eb06")) 2025-05-23 13:46.34 ---> using "9dd08d1070d43bd32b9bd541b7c80c489e99c8b764fe1cf09cf53dcf45faae9d" 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. 2025-05-23 13:46.34 ---> using "d921eb389f66f97f3cd81fad6e72bfcbf285b9f49ad655f05bd4f22ef863e39d" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=default '4.10' '4.10.2'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "4.10.2"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved ocaml-config.1 (cached) -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> retrieved ocaml-base-compiler.4.10.2 (cached) -> installed ocaml-base-compiler.4.10.2 -> installed ocaml-config.1 -> installed ocaml.4.10.2 Done. # To update the current shell environment, run: eval $(opam env --switch=4.10) 2025-05-23 13:46.34 ---> using "bde0e40c5c8b437240e4f430b1886d10979a50d1945ea2d6ab5347a6c82b89ef" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [208 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-05-22-2015.53-F-2025-05-18-2007.08.pdiff [127 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-05-22-2015.53-F-2025-05-18-2007.08.pdiff [127 kB] - Fetched 399 kB in 3s (125 kB/s) - Reading package lists... - 2025-05-23 13:46.34 ---> using "203f6eb10cbea966e8e8734e07572412cbaf6f0156ea29c0ca5c8f99241aff85" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam remove -y letters.0.4.0\ \nopam install -vy letters.0.4.0\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: letters.0.4.0 | 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 $res")) [NOTE] letters.0.4.0 is not installed. Nothing to do. [ERROR] Package conflict! * No agreement on the version of ocaml-base-compiler: - (invariant) -> ocaml-base-compiler = 4.10.2 - letters >= 0.4.0 -> tls-lwt >= 1.0.4 -> ocaml >= 4.13.0 -> ocaml-base-compiler >= 4.13.0~ You can temporarily relax the switch invariant with `--update-invariant' * Incompatible packages: - (invariant) -> ocaml-base-compiler = 4.10.2 - letters >= 0.4.0 -> tls-lwt >= 1.0.4 -> ocaml >= 4.13.0 -> ocaml-variants < 5.3.2~ * Missing dependency: - letters >= 0.4.0 -> tls-lwt >= 1.0.4 -> ocaml >= 4.13.0 -> ocaml-variants < 5.3.2~ -> xenbigarray unknown package * Missing dependency: - letters >= 0.4.0 -> tls-lwt >= 1.0.4 -> ocaml >= 4.13.0 -> ocaml-variants < 5.3.2~ -> ocaml-beta unmet availability conditions: 'enable-ocaml-beta-repository' * Missing dependency: - letters >= 0.4.0 -> tls-lwt >= 1.0.4 -> ocaml >= 4.13.0 -> ocaml-variants >= 4.13.0~ -> system-msvc unmet availability conditions: 'os = "win32"' No solution found, exiting 'opam install -vy letters.0.4.0' failed. "/usr/bin/env" "bash" "-c" "opam remove -y letters.0.4.0 opam install -vy letters.0.4.0 res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: letters.0.4.0 | 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