Build:
  1. 0
2026-10-06 18:36.55: New job: build hegel.0.25.0 (43c95797980b)
2026-10-06 18:36.55: Waiting for resource in pool day11-builds
2026-10-06 18:39.00: Got resource from pool day11-builds
2026-10-06 18:39.00: [profile oxcaml-odoc-master] build hegel.0.25.0
2026-10-06 18:39.00: build hegel.0.25.0 (43c95797980b)
=== DEPENDENCIES (49 transitive) ===
  astring.0.8.5                                      9560ad717500
  base-bytes.base                                    a69faf0964a2
  base-threads.base                                  464810371b96
  base-unix.base                                     4596d20d2cf7
  basement.v0.18~preview.130.106+341                 9841cadec557
  camlp-streams.5.0.1                                f6f98a47780d
  conf-autoconf.1                                    8ee1e3913008
  conf-libffi.2.0.0                                  3b04165a8510
  conf-pkg-config.5                                  e39f7209b38f
  conf-which.1                                       65c43ca119c3
  cppo.1.8.0                                         e36952505440
  csexp.1.5.2                                        3194ba1b6774
  ctypes.0.24.0+ox                                   927b9c3563e2
  ctypes-foreign.0.24.0+ox                           793176c548fd
  domain-name.0.5.0                                  a423d7539d71
  dune.3.22.2+ox                                     9158bd0e098d
  dune-configurator.3.22.2+ox                        b9a3eeb73695
  dune-private-libs.3.22.2+ox                        ae014c534507
  dune-site.3.22.2+ox                                0ab48637919b
  dyn.3.22.2+ox                                      e588f09585ad
  fs-io.3.22.2+ox                                    103afa142d83
  integers.0.8.0                                     3b20eae8b330
  ipaddr.5.6.2                                       155b032ee855
  macaddr.5.6.2                                      ce5da366e63f
  nonempty_list_type.v0.18~preview.130.106+341       83e124541851
  ocaml.5.2.0                                        879ae859f814
  ocaml-compiler-libs.v0.17.0+ox                     598bb8a6526c
  ocaml-config.3                                     37112a8040f8
  ocaml-variants.5.2.0+ox                            8119d9341417
  ocamlbuild.0.16.1+ox                               c3cff747c7d3
  ocamlfind.1.9.8+ox                                 665ae3389aa8
  ocplib-endian.1.2                                  269225f0b5b5
  odoc-parser.3.2.1+master.1790607351.6dc5826        6f2bb182a512
  ordering.3.22.2+ox                                 6a38e4791cb8
  oxcaml-compiler.5.2.0minus39                       72925b65bf23
  pp.2.0.0                                           7ffde17a033a
  ppx_derivers.1.2.1                                 ce8a3d704727
  ppx_helpers.v0.18~preview.130.106+341              f116bca67c51
  ppx_js_style.v0.18~preview.130.106+341             b8c427fb3476
  ppx_template.v0.18~preview.130.106+341             6358582d0b34
  ppxlib.0.33.0+ox2                                  8c73c0c4d8b8
  ppxlib_ast.0.33.0+ox2                              5b27258ee8c8
  ppxlib_jane.v0.18~preview.130.106+341              80aa18179975
  sexp_type.v0.18~preview.130.106+341                d7b92c288522
  sexplib0.v0.18~preview.130.106+341                 48e488b6840d
  stdlib-shims.0.3.0                                 dad692a03c41
  stdune.3.22.2+ox                                   b871d8109289
  top-closure.3.22.2+ox                              03e1b57dda31
  topkg.1.1.1+ox                                     1a471d9bef47
=== STDOUT ===
Processing: [default: loading data]
[hegel.0.25.0: dl]
[hegel.0.25.0: extract]
-> retrieved hegel.0.25.0  (https://opam.ocaml.org/cache)
[hegel: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "hegel" "-j" "39" "--promote-install-files=false" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/hegel.0.25.0)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib/.hegel.objs/byte -I lib/.hegel.objs/public_cmi -I /home/opam/.opam/default/lib/basement -I /home/opam/.opam/default/lib/ctypes -I /home/opam/.opam/default/lib/ctypes-foreign -I /home/opam/.opam/default/lib/domain-name -I /home/opam/.opam/default/lib/dune-private-libs/dune-section -I /home/opam/.opam/default/lib/dune-site -I /home/opam/.opam/default/lib/dune-site/private -I /home/opam/.opam/default/lib/integers -I /home/opam/.opam/default/lib/ipaddr -I /home/opam/.opam/default/lib/macaddr -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/sexp_type -I /home/opam/.opam/default/lib/sexp_type/grammar -I /home/opam/.opam/default/lib/sexplib0 -I /home/opam/.opam/default/lib/stdlib-shims -I lib/ffi/.hegel_ffi.objs/byte -cmi-file lib/.hegel.objs/byte/hegel__Locked.cmi -no-alias-deps -open Hegel__ -o lib/.hegel.objs/byte/hegel__Locked.cmo -c -impl lib/locked.pp.ml)
- File "lib/locked.ml", line 1:
- Error: The implementation "lib/locked.ml"
-        does not match the interface "lib/.hegel.objs/byte/hegel__Locked.cmi": 
-        Type declarations do not match:
-          type 'a t = { lock : Mutex.t; value : 'a; }
-        is not included in
-          type 'a t : value mod portable contended
-        The kind of the first is immutable_data with 'a with Mutex.t
-          because of the definition of t at file "lib/locked.mutex.ml", lines 3-6, characters 0-3.
-        But the kind of the first must be a subkind of 
-            value mod portable contended.
-        File "locked.mli.in", line 12, characters 0-41: Expected declaration
-        File "lib/locked.mutex.ml", lines 3-6, characters 0-3:
-          Actual declaration
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib/.hegel.objs/byte -I lib/.hegel.objs/native -I lib/.hegel.objs/public_cmi -I /home/opam/.opam/default/lib/basement -I /home/opam/.opam/default/lib/ctypes -I /home/opam/.opam/default/lib/ctypes-foreign -I /home/opam/.opam/default/lib/domain-name -I /home/opam/.opam/default/lib/dune-private-libs/dune-section -I /home/opam/.opam/default/lib/dune-site -I /home/opam/.opam/default/lib/dune-site/private -I /home/opam/.opam/default/lib/integers -I /home/opam/.opam/default/lib/ipaddr -I /home/opam/.opam/default/lib/macaddr -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/sexp_type -I /home/opam/.opam/default/lib/sexp_type/grammar -I /home/opam/.opam/default/lib/sexplib0 -I /home/opam/.opam/default/lib/stdlib-shims -I lib/ffi/.hegel_ffi.objs/byte -I lib/ffi/.hegel_ffi.objs/native -cmi-file lib/.hegel.objs/byte/hegel__Locked.cmi -no-alias-deps -open Hegel__ -o lib/.hegel.objs/native/hegel__Locked.cmx -c -impl lib/locked.pp.ml)
- File "lib/locked.ml", line 1:
- Error: The implementation "lib/locked.ml"
-        does not match the interface "lib/.hegel.objs/byte/hegel__Locked.cmi": 
-        Type declarations do not match:
-          type 'a t = { lock : Mutex.t; value : 'a; }
-        is not included in
-          type 'a t : value mod portable contended
-        The kind of the first is immutable_data with 'a with Mutex.t
-          because of the definition of t at file "lib/locked.mutex.ml", lines 3-6, characters 0-3.
-        But the kind of the first must be a subkind of 
-            value mod portable contended.
-        File "locked.mli.in", line 12, characters 0-41: Expected declaration
-        File "lib/locked.mutex.ml", lines 3-6, characters 0-3:
-          Actual declaration
[ERROR] The compilation of hegel.0.25.0 failed at "dune build -p hegel -j 39 --promote-install-files=false @install".
build failed... 

=== STDERR ===

2026-10-06 18:40.03: FAILED: build hegel.0.25.0
2026-10-06 18:40.03: Job failed: build failed: hegel.0.25.0