Building on doris.caelum.ci.dev (from ocaml/opam:debian-unstable) Unable to find image 'ocaml/opam:debian-unstable' locally debian-unstable: Pulling from ocaml/opam Digest: sha256:823aa977b58112cacd3779eb98c04c11ce5cf04f26bb6d2fa4531edca4365542 Status: Downloaded newer image for ocaml/opam:debian-unstable 2025-09-03 09:08.59 ---> 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")) 2025-09-03 09:08.59 ---> 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 7b20607459de542169674e92634eaec989007dbe")) 2025-09-03 09:08.59 ---> using "e6d105b9401a04693f18b7e8513733a66f541d63f64e1c663b43a265b67dd904" 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. 2025-09-03 09:08.59 ---> using "50bd9e17adf3e40d3fcc54f7f1c99fa6eca3f2a6e72a6a7c6a7ef47677c86058" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "sudo apt update && sudo apt install autoconf -y")) WARNING: apt does not have a stable CLI interface. Use with caution in scripts. Get:1 http://deb.debian.org/debian unstable InRelease [216 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-2025-09-03-0804.42-F-2025-08-30-1408.24.pdiff [312 kB] Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-09-03-0804.42-F-2025-08-30-1408.24.pdiff [312 kB] Fetched 591 kB in 2s (363 kB/s) Reading package lists... Building dependency tree... Reading state information... 17 packages can be upgraded. Run 'apt list --upgradable' to see them. WARNING: apt does not have a stable CLI interface. Use with caution in scripts. Reading package lists... Building dependency tree... Reading state information... Installing: autoconf Installing dependencies: automake autotools-dev m4 Suggested packages: autoconf-archive gnu-standards autoconf-doc libtool gettext m4-doc Summary: Upgrading: 0, Installing: 4, Removing: 0, Not Upgrading: 17 Download size: 1740 kB Space needed: 5305 kB / 276 GB available Get:1 http://deb.debian.org/debian unstable/main amd64 m4 amd64 1.4.20-1 [324 kB] Get:2 http://deb.debian.org/debian unstable/main amd64 autoconf all 2.72-3.1 [494 kB] Get:3 http://deb.debian.org/debian unstable/main amd64 autotools-dev all 20240727.1 [60.2 kB] Get:4 http://deb.debian.org/debian unstable/main amd64 automake all 1:1.17-4 [862 kB] Fetched 1740 kB in 0s (16.2 MB/s) Selecting previously unselected package m4. (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 20707 files and directories currently installed.) Preparing to unpack .../archives/m4_1.4.20-1_amd64.deb ... Unpacking m4 (1.4.20-1) ... Selecting previously unselected package autoconf. Preparing to unpack .../autoconf_2.72-3.1_all.deb ... Unpacking autoconf (2.72-3.1) ... Selecting previously unselected package autotools-dev. Preparing to unpack .../autotools-dev_20240727.1_all.deb ... Unpacking autotools-dev (20240727.1) ... Selecting previously unselected package automake. Preparing to unpack .../automake_1%3a1.17-4_all.deb ... Unpacking automake (1:1.17-4) ... Setting up m4 (1.4.20-1) ... Setting up autotools-dev (20240727.1) ... Setting up autoconf (2.72-3.1) ... Setting up automake (1:1.17-4) ... update-alternatives: using /usr/bin/automake-1.17 to provide /usr/bin/automake (automake) in auto mode 2025-09-03 09:08.59 ---> using "d7fffb433174cc288ef239841a8f209a495a5036619c1178e25af08483be5715" from cache /: (run (network host) (shell "git clone -q 'https://github.com/oxcaml/opam-repository' ~/'oxcaml' && git -C ~/'oxcaml' checkout -q 29656e8e76b4441b5b62db11d35d193e380298ca")) 2025-09-03 09:08.59 ---> using "8b2632c8a21a058c5db503821ca3a505eae8450672c57eea3f81d46108789dc2" from cache /: (run (shell "opam repository add --dont-select 'oxcaml' ~/'oxcaml'")) [oxcaml] Initialised 2025-09-03 09:08.59 ---> using "7c13f2615783b22d668507b3068f3b14c7399b97824e7ad5c3508fbb9008af03" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=oxcaml,default '5.2.0+flambda2' '5.2.0+ox'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-variants" {= "5.2.0+ox"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved ocaml-config.3 (cached) -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> installed ocaml-options-vanilla.1 -> installed conf-autoconf.0.2 -> installed conf-which.1 -> retrieved ocaml-variants.5.2.0+ox (cached) -> installed ocaml-variants.5.2.0+ox -> installed ocaml-config.3 -> installed ocaml.5.2.0 -> installed base-domains.base -> installed base-nnp.base Done. # To update the current shell environment, run: eval $(opam env --switch=5.2.0+flambda2) 2025-09-03 09:08.59 ---> using "e81fbcce934d48c03479e635c28cc812360bb273b500a03d64c55d1fff38160a" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Hit:1 http://deb.debian.org/debian unstable InRelease - Reading package lists... 2025-09-03 09:08.59 ---> using "10a228fe00f850a1cda5c9f012580e3512469d3d4ce40dad42f86daa3142d6eb" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam remove -y containers-thread.3.12\ \nopam install -vy containers-thread.3.12\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: containers-thread.3.12 | 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")) Nothing to do. [NOTE] containers-thread.3.12 is not installed. The following actions will be performed: === install 7 packages - install containers 3.12 [required by containers-thread] - install containers-thread 3.12 - install csexp 1.5.2 [required by dune-configurator] - install dune 3.20.1 [required by containers-thread] - install dune-configurator 3.20.1 [required by containers-thread] - install either 1.0.0 [required by containers] - install seq base [required by containers] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> Processing 1/19: [containers.3.12, containers-thread.3.12: extract] Processing 2/19: [containers.3.12, containers-thread.3.12: extract] [csexp.1.5.2: extract] Processing 3/19: [containers.3.12, containers-thread.3.12: extract] [csexp.1.5.2: extract] [dune.3.20.1, dune-configurator.3.20.1: extract] -> retrieved containers.3.12, containers-thread.3.12 (cached) Processing 3/19: [csexp.1.5.2: extract] [dune.3.20.1, dune-configurator.3.20.1: extract] Processing 4/19: [csexp.1.5.2: extract] [dune.3.20.1, dune-configurator.3.20.1: extract] [either.1.0.0: extract] -> retrieved csexp.1.5.2 (cached) Processing 4/19: [dune.3.20.1, dune-configurator.3.20.1: extract] [either.1.0.0: extract] -> retrieved seq.base (cached) Processing 5/19: [dune.3.20.1, dune-configurator.3.20.1: extract] [either.1.0.0: extract] Processing 6/19: [dune.3.20.1, dune-configurator.3.20.1: extract] [either.1.0.0: extract] -> installed seq.base Processing 7/19: [dune.3.20.1, dune-configurator.3.20.1: extract] [either.1.0.0: extract] -> retrieved either.1.0.0 (cached) Processing 7/19: [dune.3.20.1, dune-configurator.3.20.1: extract] -> retrieved dune.3.20.1, dune-configurator.3.20.1 (cached) Processing 8/19: [dune: ocaml 255] + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "ocaml" "boot/bootstrap.ml" "-j" "255" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/dune.3.20.1) - ocamlc -output-complete-exe -g -o .duneboot.exe -I boot -I +unix unix.cma boot/libs.ml boot/duneboot.ml - ./.duneboot.exe -j 255 - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads stdune__Code_error.ml - File "stdune__Code_error.ml", line 30, characters 2-27: - 30 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads notty_unix.ml - File "notty_unix.ml", line 38, characters 23-29: - 38 | let old_hdl = Sys.(signal signum (Signal_handle (fun _ -> f ()))) in - ^^^^^^ - Alert unsafe_multidomain: Stdlib.Sys.signal - Use [Sys.Safe.signal]. - - File "notty_unix.ml", line 39, characters 31-45: - 39 | `Revert (once @@ fun () -> Sys.set_signal signum old_hdl) - ^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Sys.set_signal - Use [Sys.Safe.set_signal]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads stdune__User_error.ml - File "stdune__User_error.ml", line 18, characters 2-27: - 18 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads opamStd.ml - File "opamStd.ml", line 960, characters 10-24: - 960 | try Sys.set_signal 28 (* SIGWINCH *) - ^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Sys.set_signal - Use [Sys.Safe.set_signal]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads dune_rpc_private__Conv.ml - File "dune_rpc_private__Conv.ml", line 49, characters 2-27: - 49 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads dune_rpc_private__Where.ml - File "dune_rpc_private__Where.ml", line 23, characters 2-27: - 23 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads dune_rpc_private__Types.ml - File "dune_rpc_private__Types.ml", line 155, characters 6-31: - 155 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads dune_rpc_private__Registry.ml - File "dune_rpc_private__Registry.ml", line 68, characters 4-29: - 68 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads opamSystem.ml - File "opamSystem.ml", line 1248, characters 2-27: - 1248 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - - File "opamSystem.ml", line 1264, characters 6-20: - 1264 | try Sys.set_signal Sys.sigpipe (Sys.Signal_handle (fun _ -> ())) - ^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Sys.set_signal - Use [Sys.Safe.set_signal]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads dune_rpc_private__Versioned.ml - File "dune_rpc_private__Versioned.ml", line 24, characters 4-29: - 24 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads memo.ml - File "memo.ml", line 415, characters 2-27: - 415 | Printexc.register_printer (fun exn -> - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads dune_rpc_private.ml - File "dune_rpc_private.ml", line 202, characters 6-31: - 202 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads dune_rpc_server.ml - File "dune_rpc_server.ml", line 15, characters 2-27: - 15 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads opamPp.ml - File "opamPp.ml", line 64, characters 9-34: - 64 | let () = Printexc.register_printer @@ function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads dune_engine__Scheduler.ml - File "dune_engine__Scheduler.ml", line 55, characters 4-29: - 55 | Printexc.register_printer (function - ^^^^^^^^^^^^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - - File "dune_engine__Scheduler.ml", line 631, characters 6-20: - 631 | Sys.set_signal - ^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Dune_engine__.Import.Sys.set_signal - Use [Sys.Safe.set_signal]. - *s cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-23-53 -alert -unstable -I +unix -I +threads dune_tui.ml - File "dune_tui.ml", line 15, characters 7-21: - 15 | Sys.set_signal Sys.sigcont - ^^^^^^^^^^^^^^ - Alert unsafe_multidomain: Dune_tui__.Import.Sys.set_signal - Use [Sys.Safe.set_signal]. - - File "dune_tui.ml", line 23, characters 12-22: - 23 | (Sys.signal Sys.sigtstp - ^^^^^^^^^^ - Alert unsafe_multidomain: Dune_tui__.Import.Sys.signal - Use [Sys.Safe.signal]. - Processing 8/19: [dune: ./_boot/dune.exe build] + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "./_boot/dune.exe" "build" "dune.install" "--release" "--profile" "dune-bootstrap" "-j" "255" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/dune.3.20.1) -> compiled dune.3.20.1 -> installed dune.3.20.1 Processing 10/19: [csexp: dune build] Processing 11/19: [csexp: dune build] [either: dune build] + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "either" "-j" "255" "@install" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/either.1.0.0) -> compiled either.1.0.0 Processing 11/19: [csexp: dune build] -> installed either.1.0.0 Processing 12/19: [csexp: dune build] + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "csexp" "-j" "255" "@install" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/csexp.1.5.2) - (cd _build/default && /home/opam/.opam/5.2.0+flambda2/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -I src/.csexp.objs/byte -cmi-file src/.csexp.objs/byte/csexp.cmi -no-alias-deps -o src/.csexp.objs/byte/csexp.cmo -c -impl src/csexp.ml) - File "src/csexp.ml", line 236, characters 7-14: - 236 | [@@inlined always] - ^^^^^^^ - Warning 53 [misplaced-attribute]: the "inlined" attribute cannot appear in this context - (cd _build/default && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -w -40 -g -I src/.csexp.objs/byte -I src/.csexp.objs/native -cmi-file src/.csexp.objs/byte/csexp.cmi -no-alias-deps -o src/.csexp.objs/native/csexp.cmx -c -impl src/csexp.ml) - File "src/csexp.ml", line 236, characters 7-14: - 236 | [@@inlined always] - ^^^^^^^ - Warning 53 [misplaced-attribute]: the "inlined" attribute cannot appear in this context -> compiled csexp.1.5.2 -> installed csexp.1.5.2 Processing 14/19: [dune-configurator: rm] + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "rm" "-rf" "vendor/csexp" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/dune-configurator.3.20.1) + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "rm" "-rf" "vendor/pp" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/dune-configurator.3.20.1) Processing 14/19: [dune-configurator: dune build] + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "dune-configurator" "-j" "255" "@install" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/dune-configurator.3.20.1) -> compiled dune-configurator.3.20.1 -> installed dune-configurator.3.20.1 Processing 16/19: [containers: dune build] + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "containers" "-j" "255" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/containers.3.12) - (cd _build/default && /home/opam/.opam/5.2.0+flambda2/bin/ocamlc.opt -w -40 -warn-error -a+8 -w -32-70 -color always -safe-string -strict-sequence -warn-error -a+8 -w -32-70 -safe-string -strict-sequence -nolabels -open CCMonomorphic -g -bin-annot -bin-annot-occurrences -I src/core/.containers.objs/byte -I /home/opam/.opam/5.2.0+flambda2/lib/either -I /home/opam/.opam/5.2.0+flambda2/lib/seq -I src/monomorphic/.containers_monomorphic.objs/byte -no-alias-deps -o src/core/.containers.objs/byte/cCList.cmi -c -intf src/core/CCList.pp.mli) - File "src/core/CCList.mli", line 14, characters 8-53: - Error: In this with constraint, the new definition of t - does not match its original definition in the constrained signature: - Type declarations do not match: - type 'a t = 'a list = [] | (::) of 'a * 'a list - is not included in - type 'a t = 'a list = [] | (::) of 'a * 'a list - The problem is in the kinds of a parameter: - The kind of 'a is value_or_null. - But the kind of 'a must be a subkind of value - because it instantiates an unannotated type parameter of t, - chosen to have kind value. - File "list.mli", line 45, characters 0-65: Expected declaration - File "src/core/CCList.mli", line 14, characters 33-53: - Actual declaration [ERROR] The compilation of containers.3.12 failed at "dune build -p containers -j 255". #=== ERROR while compiling containers.3.12 ====================================# # context 2.4.1 | linux/x86_64 | ocaml-variants.5.2.0+ox | file:///home/opam/opam-repository # path ~/.opam/5.2.0+flambda2/.opam-switch/build/containers.3.12 # command ~/.opam/opam-init/hooks/sandbox.sh build dune build -p containers -j 255 # exit-code 1 # env-file ~/.opam/log/containers-8-3261ac.env # output-file ~/.opam/log/containers-8-3261ac.out ### output ### # (cd _build/default && /home/opam/.opam/5.2.0+flambda2/bin/ocamlc.opt -w -40 -warn-error -a+8 -w -32-70 -color always -safe-string -strict-sequence -warn-error -a+8 -w -32-70 -safe-string -strict-sequence -nolabels -open CCMonomorphic -g -bin-annot -bin-annot-occurrences -I src/core/.containers.objs/byte -I /home/opam/.opam/5.2.0+flambda2/lib/either -I /home/opam/.opam/5.2.0+flambda2/lib/seq -I src/monomorphic/.containers_monomorphic.objs/byte -no-alias-deps -o src/core/.containers.objs/byte/cCList.cmi -c -intf src/core/CCList.pp.mli) # File "src/core/CCList.mli", line 14, characters 8-53: # Error: In this with constraint, the new definition of t # does not match its original definition in the constrained signature: # Type declarations do not match: # type 'a t = 'a list = [] | (::) of 'a * 'a list # is not included in # type 'a t = 'a list = [] | (::) of 'a * 'a list # The problem is in the kinds of a parameter: # The kind of 'a is value_or_null. # But the kind of 'a must be a subkind of value # because it instantiates an unannotated type parameter of t, # chosen to have kind value. # File "list.mli", line 45, characters 0-65: Expected declaration # File "src/core/CCList.mli", line 14, characters 33-53: # Actual declaration <><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><> +- The following actions were aborted | - install containers-thread 3.12 +- +- The following actions failed | - build containers 3.12 +- +- The following changes have been performed (the rest was aborted) | - install csexp 1.5.2 | - install dune 3.20.1 | - install dune-configurator 3.20.1 | - install either 1.0.0 | - install seq base +- # To update the current shell environment, run: eval $(opam env) The former state can be restored with: /usr/bin/opam switch import "/home/opam/.opam/5.2.0+flambda2/.opam-switch/backup/state-20250903090900.export" 'opam install -vy containers-thread.3.12' failed. "/usr/bin/env" "bash" "-c" "opam remove -y containers-thread.3.12 opam install -vy containers-thread.3.12 res=$? if [ $res = 31 ]; then if opam show -f x-ci-accept-failures: containers-thread.3.12 | 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 31 Failed: Build failed