2026-10-07 21:21.09: New job: build ocaml_intrinsics_kernel.v0.18~preview.130.91+190 (8e81a4594bfe)
2026-10-07 21:21.09: Waiting for resource in pool day11-builds
2026-10-07 21:25.20: Got resource from pool day11-builds
2026-10-07 21:25.20: [profile oxcaml-odoc-master] build ocaml_intrinsics_kernel.v0.18~preview.130.91+190
2026-10-07 21:25.20: build ocaml_intrinsics_kernel.v0.18~preview.130.91+190 (8e81a4594bfe)
=== DEPENDENCIES (9 transitive) ===
  base-threads.base                                  464810371b96
  base-unix.base                                     4596d20d2cf7
  conf-autoconf.1                                    8ee1e3913008
  conf-which.1                                       65c43ca119c3
  dune.3.22.2+ox                                     a601158acc62
  ocaml.5.2.0                                        b8c350f4f1ad
  ocaml-config.3                                     2c72b422dfc3
  ocaml-variants.5.2.0+ox                            60cb73ac7801
  oxcaml-compiler.5.2.0minus39                       c47b62237187
=== STDOUT ===
Processing: [default: loading data]
[ocaml_intrinsics_kernel.v0.18~preview.130.91+190: dl]
[ocaml_intrinsics_kernel.v0.18~preview.130.91+190: http]
[ocaml_intrinsics_kernel.v0.18~preview.130.91+190: extract]
-> retrieved ocaml_intrinsics_kernel.v0.18~preview.130.91+190  (https://github.com/janestreet/ocaml_intrinsics_kernel/archive/4fbc03af0df87d5df5b3c5649604cfd1b450d245.tar.gz)
[ocaml_intrinsics_kernel: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "ocaml_intrinsics_kernel" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/ocaml_intrinsics_kernel.v0.18~preview.130.91+190)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -O3 -I src/.ocaml_intrinsics_kernel.objs/byte -I src/.ocaml_intrinsics_kernel.objs/native -cmi-file src/.ocaml_intrinsics_kernel.objs/byte/ocaml_intrinsics_kernel__Int64.cmi -no-alias-deps -open Ocaml_intrinsics_kernel__ -o src/.ocaml_intrinsics_kernel.objs/native/ocaml_intrinsics_kernel__Int64.cmx -c -impl src/int64.ml)
- File "src/int64.ml", line 71, characters 12-51:
- 71 |   | true -> Stubs.count_leading_zeros_nonzero_arg n
-                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Error: External annotated with [@@builtin] is not recognized: "caml_int64_clz_nonzero_unboxed_to_untagged"
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -O3 -I src/.ocaml_intrinsics_kernel.objs/byte -I src/.ocaml_intrinsics_kernel.objs/native -cmi-file src/.ocaml_intrinsics_kernel.objs/byte/ocaml_intrinsics_kernel__Nativeint.cmi -no-alias-deps -open Ocaml_intrinsics_kernel__ -o src/.ocaml_intrinsics_kernel.objs/native/ocaml_intrinsics_kernel__Nativeint.cmx -c -impl src/nativeint.ml)
- File "src/nativeint.ml", line 73, characters 12-51:
- 73 |   | true -> Stubs.count_leading_zeros_nonzero_arg n
-                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Error: External annotated with [@@builtin] is not recognized: "caml_nativeint_clz_nonzero_unboxed_to_untagged"
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -O3 -I src/.ocaml_intrinsics_kernel.objs/byte -I src/.ocaml_intrinsics_kernel.objs/native -cmi-file src/.ocaml_intrinsics_kernel.objs/byte/ocaml_intrinsics_kernel__Int32.cmi -no-alias-deps -open Ocaml_intrinsics_kernel__ -o src/.ocaml_intrinsics_kernel.objs/native/ocaml_intrinsics_kernel__Int32.cmx -c -impl src/int32.ml)
- File "src/int32.ml", line 71, characters 12-51:
- 71 |   | true -> Stubs.count_leading_zeros_nonzero_arg n
-                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Error: External annotated with [@@builtin] is not recognized: "caml_int32_clz_nonzero_unboxed_to_untagged"
[ERROR] The compilation of ocaml_intrinsics_kernel.v0.18~preview.130.91+190 failed at "dune build -p ocaml_intrinsics_kernel -j 39".
build failed... 

=== STDERR ===

2026-10-07 21:25.36: FAILED: build ocaml_intrinsics_kernel.v0.18~preview.130.91+190
2026-10-07 21:25.36: Job failed: build failed: ocaml_intrinsics_kernel.v0.18~preview.130.91+190