2026-10-06 17:52.28: New job: build containers.3.12 (98fcf71ac7eb)
2026-10-06 17:52.28: Waiting for resource in pool day11-builds
2026-10-06 18:00.00: Got resource from pool day11-builds
2026-10-06 18:00.00: [profile oxcaml-odoc-master] build containers.3.12
2026-10-06 18:00.00: build containers.3.12 (98fcf71ac7eb)
=== DEPENDENCIES (13 transitive) ===
  base-threads.base                                  464810371b96
  base-unix.base                                     4596d20d2cf7
  conf-autoconf.1                                    8ee1e3913008
  conf-which.1                                       65c43ca119c3
  csexp.1.5.2                                        3194ba1b6774
  dune.3.22.2+ox                                     9158bd0e098d
  dune-configurator.3.22.2+ox                        b9a3eeb73695
  either.1.0.0                                       a90d8043d4d4
  ocaml.5.2.0                                        879ae859f814
  ocaml-config.3                                     37112a8040f8
  ocaml-variants.5.2.0+ox                            8119d9341417
  oxcaml-compiler.5.2.0minus39                       72925b65bf23
  seq.base                                           4e4fc87282b8
=== STDOUT ===
Processing: [default: loading data]
[containers.3.12: dl]
[containers.3.12: extract]
-> retrieved containers.3.12  (https://opam.ocaml.org/cache)
[containers: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "containers" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/containers.3.12)
- (cd _build/default && /home/opam/.opam/default/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 -bin-annot-cms -I src/core/.containers.objs/byte -I /home/opam/.opam/default/lib/either -I /home/opam/.opam/default/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 : value_or_null) t = 'a list = [] | (::) of 'a * 'a list
-        The problem is in the kinds of a parameter:
-        The layout of 'a is value_or_null.
-        But the layout of 'a must be a sublayout of value
-          because it instantiates an unannotated type parameter of t,
-          chosen to have layout value.
-        File "list.mli", line 45, characters 0-65: Expected declaration
-        File "src/core/CCList.mli", line 14, characters 33-53:
-          Actual declaration
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.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 -O3 -unbox-closures -unbox-closures-factor 20 -inline 100 -I src/core/.containers.objs/byte -I src/core/.containers.objs/native -I /home/opam/.opam/default/lib/either -I /home/opam/.opam/default/lib/seq -I src/monomorphic/.containers_monomorphic.objs/byte -I src/monomorphic/.containers_monomorphic.objs/native -cmi-file src/core/.containers.objs/byte/cCArray.cmi -no-alias-deps -o src/core/.containers.objs/native/cCArray.cmx -c -impl src/core/CCArray.pp.ml)
- File "src/core/CCArray.ml", line 419, characters 33-54:
- Error: This value is local
-        but is expected to be local to the parent region or global
-          because it is an argument in a tail call.
-   Hint: This is a partial application
-         Adding 1 more argument will make the value non-local
- (cd _build/default && /home/opam/.opam/default/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 -bin-annot-cms -I src/core/.containers.objs/byte -I /home/opam/.opam/default/lib/either -I /home/opam/.opam/default/lib/seq -I src/monomorphic/.containers_monomorphic.objs/byte -cmi-file src/core/.containers.objs/byte/cCArray.cmi -no-alias-deps -o src/core/.containers.objs/byte/cCArray.cmo -c -impl src/core/CCArray.pp.ml)
- File "src/core/CCArray.ml", line 419, characters 33-54:
- Error: This value is local
-        but is expected to be local to the parent region or global
-          because it is an argument in a tail call.
-   Hint: This is a partial application
-         Adding 1 more argument will make the value non-local
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.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 -O3 -unbox-closures -unbox-closures-factor 20 -inline 100 -I src/core/.containers.objs/byte -I src/core/.containers.objs/native -I /home/opam/.opam/default/lib/either -I /home/opam/.opam/default/lib/seq -I src/monomorphic/.containers_monomorphic.objs/byte -I src/monomorphic/.containers_monomorphic.objs/native -cmi-file src/core/.containers.objs/byte/cCString.cmi -no-alias-deps -o src/core/.containers.objs/native/cCString.cmx -c -impl src/core/CCString.pp.ml)
- File "src/core/CCString.pp.ml", line 1:
- Error: The implementation src/core/CCString.pp.ml
-        does not match the interface src/core/.containers.objs/byte/cCString.cmi:
-         Values do not match:
-           val blit :
-             string @ local -> int -> bytes @ local -> int -> int -> unit
-         is not included in
-           val blit : t -> int -> Bytes.t -> int -> int -> unit
-         The type string @ local -> int -> bytes @ local -> int -> int -> unit
-         is not compatible with the type
-           t -> int -> Bytes.t -> int -> int -> unit
-         Type int -> (int -> unit) @ local is not compatible with type
-           int -> int -> unit
-         File "src/core/CCString.pp.mli", line 19, characters 0-52:
-           Expected declaration
-         File "src/core/CCString.ml", line 606, characters 4-8:
-           Actual declaration
- (cd _build/default && /home/opam/.opam/default/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 -bin-annot-cms -I src/core/.containers.objs/byte -I /home/opam/.opam/default/lib/either -I /home/opam/.opam/default/lib/seq -I src/monomorphic/.containers_monomorphic.objs/byte -cmi-file src/core/.containers.objs/byte/cCString.cmi -no-alias-deps -o src/core/.containers.objs/byte/cCString.cmo -c -impl src/core/CCString.pp.ml)
- File "src/core/CCString.pp.ml", line 1:
- Error: The implementation src/core/CCString.pp.ml
-        does not match the interface src/core/.containers.objs/byte/cCString.cmi:
-         Values do not match:
-           val blit :
-             string @ local -> int -> bytes @ local -> int -> int -> unit
-         is not included in
-           val blit : t -> int -> Bytes.t -> int -> int -> unit
-         The type string @ local -> int -> bytes @ local -> int -> int -> unit
-         is not compatible with the type
-           t -> int -> Bytes.t -> int -> int -> unit
-         Type int -> (int -> unit) @ local is not compatible with type
-           int -> int -> unit
-         File "src/core/CCString.pp.mli", line 19, characters 0-52:
-           Expected declaration
-         File "src/core/CCString.ml", line 606, characters 4-8:
-           Actual declaration
[ERROR] The compilation of containers.3.12 failed at "dune build -p containers -j 39".
build failed... 

=== STDERR ===

2026-10-06 18:01.05: FAILED: build containers.3.12
2026-10-06 18:01.05: Job failed: build failed: containers.3.12