2026-10-06 17:41.00: New job: build duppy.0.9.5 (3cef933533fa)
2026-10-06 17:41.00: Waiting for resource in pool day11-builds
2026-10-06 17:52.36: Got resource from pool day11-builds
2026-10-06 17:52.36: [profile oxcaml-odoc-master] build duppy.0.9.5
2026-10-06 17:52.50: build duppy.0.9.5 (3cef933533fa)
=== DEPENDENCIES (11 transitive) ===
  base-threads.base                                  464810371b96
  base-unix.base                                     4596d20d2cf7
  conf-autoconf.1                                    8ee1e3913008
  conf-which.1                                       65c43ca119c3
  dune.3.22.2+ox                                     9158bd0e098d
  ocaml.5.2.0                                        879ae859f814
  ocaml-config.3                                     37112a8040f8
  ocaml-variants.5.2.0+ox                            8119d9341417
  oxcaml-compiler.5.2.0minus39                       72925b65bf23
  re.1.14.0+ox                                       5236b9e76c05
  seq.base                                           4e4fc87282b8
=== STDOUT ===
Processing: [default: loading data]
[duppy.0.9.5: dl]
[duppy.0.9.5: extract]
-> retrieved duppy.0.9.5  (https://opam.ocaml.org/cache)
[duppy: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "duppy" "-j" "39" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/duppy.0.9.5)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I src/.duppy.objs/byte -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/re -I /home/opam/.opam/default/lib/seq -cmi-file src/.duppy.objs/byte/duppy.cmi -no-alias-deps -o src/.duppy.objs/byte/duppy.cmo -c -impl src/duppy.ml)
- File "src/duppy.ml", lines 472-484, characters 68-3:
- 472 | ....................................................................struct
- 473 |   type t = Unix.file_descr
- 474 | 
- 475 |   type bigarray =
- 476 |     (char, Bigarray.int8_unsigned_elt, Bigarray.c_layout) Bigarray.Array1.t
- ...
- 481 | 
- 482 |   external ba_write : t -> bigarray -> int -> int -> int
- 483 |     = "ocaml_duppy_write_ba"
- 484 | end
- Error: Signature mismatch:
-        ...
-        Values do not match:
-          val read : Unix.file_descr -> bytes @ local -> int -> int -> int
-        is not included in
-          val read : t -> Bytes.t -> int -> int -> int
-        The type "Unix.file_descr -> bytes @ local -> int -> int -> int"
-        is not compatible with the type "t -> Bytes.t -> int -> int -> int"
-        Type "int -> (int -> int) @ local" is not compatible with type
-          "int -> int -> int"
-        File "src/duppy.ml", line 467, characters 2-46: Expected declaration
-        File "src/duppy.ml", line 479, characters 6-10: Actual declaration
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I src/.duppy.objs/byte -I src/.duppy.objs/native -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/re -I /home/opam/.opam/default/lib/seq -cmi-file src/.duppy.objs/byte/duppy.cmi -no-alias-deps -o src/.duppy.objs/native/duppy.cmx -c -impl src/duppy.ml)
- File "src/duppy.ml", lines 472-484, characters 68-3:
- 472 | ....................................................................struct
- 473 |   type t = Unix.file_descr
- 474 | 
- 475 |   type bigarray =
- 476 |     (char, Bigarray.int8_unsigned_elt, Bigarray.c_layout) Bigarray.Array1.t
- ...
- 481 | 
- 482 |   external ba_write : t -> bigarray -> int -> int -> int
- 483 |     = "ocaml_duppy_write_ba"
- 484 | end
- Error: Signature mismatch:
-        ...
-        Values do not match:
-          val read : Unix.file_descr -> bytes @ local -> int -> int -> int
-        is not included in
-          val read : t -> Bytes.t -> int -> int -> int
-        The type "Unix.file_descr -> bytes @ local -> int -> int -> int"
-        is not compatible with the type "t -> Bytes.t -> int -> int -> int"
-        Type "int -> (int -> int) @ local" is not compatible with type
-          "int -> int -> int"
-        File "src/duppy.ml", line 467, characters 2-46: Expected declaration
-        File "src/duppy.ml", line 479, characters 6-10: Actual declaration
[ERROR] The compilation of duppy.0.9.5 failed at "dune build -p duppy -j 39 @install".
build failed... 

=== STDERR ===

2026-10-06 17:52.59: FAILED: build duppy.0.9.5
2026-10-06 17:52.59: Job failed: build failed: duppy.0.9.5