Build:
  1. 0
2026-10-01 23:31.31: New job: build lwt.6.0.0+ox (2dcbc25dab07)
2026-10-01 23:31.31: Waiting for resource in pool day11-builds
2026-10-01 23:36.56: Got resource from pool day11-builds
2026-10-01 23:36.56: [profile oxcaml-odoc-master] build lwt.6.0.0+ox
2026-10-01 23:36.56: build lwt.6.0.0+ox (2dcbc25dab07)
=== DEPENDENCIES (15 transitive) ===
  base-bytes.base                                    9b400b95a77c
  base-threads.base                                  ddcab511c589
  base-unix.base                                     742554e1dbc2
  conf-autoconf.1                                    43fe4a407b7a
  conf-which.1                                       5fccb3a41099
  cppo.1.8.0                                         6f07bba275e8
  csexp.1.5.2                                        a9d3fd6f82d9
  dune.3.22.2+ox                                     a2ef013eeea9
  dune-configurator.3.22.2+ox                        dea98c56dd29
  ocaml.5.2.0                                        cda6777ccfe3
  ocaml-config.3                                     d77b853eaa33
  ocaml-variants.5.2.0+ox                            a9808a9375cd
  ocamlfind.1.9.8+ox                                 f23a347b8f5f
  ocplib-endian.1.2                                  02986f4fb582
  oxcaml-compiler.5.2.0minus39                       9c94ae342626
=== STDOUT ===
Processing: [default: loading data]
[lwt.6.0.0+ox: dl]
[lwt.6.0.0+ox: extract]
-> retrieved lwt.6.0.0+ox  (https://opam.ocaml.org/cache)
[lwt: patch] applying oxcaml.patch
[lwt: dune exec]
+ /home/opam/.opam/default/bin/dune "exec" "-p" "lwt" "src/unix/config/discover.exe" "--" "--save" "--use-libev" "false" (CWD=/home/opam/.opam/default/.opam-switch/build/lwt.6.0.0+ox)
[lwt: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "lwt" "-j" "39" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/lwt.6.0.0+ox)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I src/unix/.lwt_unix.objs/byte -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/ocplib-endian -I /home/opam/.opam/default/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -cmi-file src/unix/.lwt_unix.objs/byte/lwt_sys.cmi -no-alias-deps -o src/unix/.lwt_unix.objs/byte/lwt_sys.cmo -c -impl src/unix/lwt_sys.ml)
- File "src/unix/lwt_sys.ml", line 8, characters 9-36:
- 8 | let () = Callback.register_exception "lwt:not-available" (Not_available "")
-              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Callback.register_exception
- Use [Callback.Safe.register_exception].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I src/unix/.lwt_unix.objs/byte -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/ocplib-endian -I /home/opam/.opam/default/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -cmi-file src/unix/.lwt_unix.objs/byte/lwt_unix.cmi -no-alias-deps -o src/unix/.lwt_unix.objs/byte/lwt_unix.cmo -c -impl src/unix/lwt_unix.ml)
- File "src/unix/lwt_unix.cppo.ml", line 2466, characters 2-27:
- Alert unsafe_multidomain: Stdlib.Printexc.register_printer
- Use [Printexc.Safe.register_printer].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I src/unix/.lwt_unix.objs/byte -I src/unix/.lwt_unix.objs/native -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/ocplib-endian -I /home/opam/.opam/default/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/core/.lwt.objs/native -cmi-file src/unix/.lwt_unix.objs/byte/lwt_sys.cmi -no-alias-deps -o src/unix/.lwt_unix.objs/native/lwt_sys.cmx -c -impl src/unix/lwt_sys.ml)
- File "src/unix/lwt_sys.ml", line 8, characters 9-36:
- 8 | let () = Callback.register_exception "lwt:not-available" (Not_available "")
-              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Callback.register_exception
- Use [Callback.Safe.register_exception].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I src/unix/.lwt_unix.objs/byte -I src/unix/.lwt_unix.objs/native -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/ocplib-endian -I /home/opam/.opam/default/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/core/.lwt.objs/native -cmi-file src/unix/.lwt_unix.objs/byte/lwt_unix.cmi -no-alias-deps -o src/unix/.lwt_unix.objs/native/lwt_unix.cmx -c -impl src/unix/lwt_unix.ml)
- File "src/unix/lwt_unix.cppo.ml", line 2466, characters 2-27:
- Alert unsafe_multidomain: Stdlib.Printexc.register_printer
- Use [Printexc.Safe.register_printer].
-> compiled  lwt.6.0.0+ox
-> installed lwt.6.0.0+ox

=== STDERR ===

2026-10-01 23:37.29: OK: build lwt.6.0.0+ox (runc: 25.6s, disk: 15KB)
2026-10-01 23:37.29: Job succeeded