2026-10-06 17:52.28: New job: build lwt.5.9.2+ox (e898ac8c43c8)
2026-10-06 17:52.28: Waiting for resource in pool day11-builds
2026-10-06 17:59.16: Got resource from pool day11-builds
2026-10-06 17:59.16: [profile oxcaml-odoc-master] build lwt.5.9.2+ox
2026-10-06 17:59.16: build lwt.5.9.2+ox (e898ac8c43c8)
=== DEPENDENCIES (16 transitive) ===
  base-bytes.base                                    a69faf0964a2
  base-threads.base                                  464810371b96
  base-unix.base                                     4596d20d2cf7
  conf-autoconf.1                                    8ee1e3913008
  conf-libev.4-13                                    9f071eea078c
  conf-which.1                                       65c43ca119c3
  cppo.1.8.0                                         e36952505440
  csexp.1.5.2                                        3194ba1b6774
  dune.3.22.2+ox                                     9158bd0e098d
  dune-configurator.3.22.2+ox                        b9a3eeb73695
  ocaml.5.2.0                                        879ae859f814
  ocaml-config.3                                     37112a8040f8
  ocaml-variants.5.2.0+ox                            8119d9341417
  ocamlfind.1.9.8+ox                                 665ae3389aa8
  ocplib-endian.1.2                                  269225f0b5b5
  oxcaml-compiler.5.2.0minus39                       72925b65bf23
=== STDOUT ===
Processing: [default: loading data]
[lwt.5.9.2+ox: dl]
[lwt.5.9.2+ox: extract]
-> retrieved lwt.5.9.2+ox  (https://opam.ocaml.org/cache)
[lwt: patch] applying oxcaml-lwt.patch
[lwt: dune exec]
+ /home/opam/.opam/default/bin/dune "exec" "-p" "lwt" "src/unix/config/discover.exe" "--" "--save" "--use-libev" "true" (CWD=/home/opam/.opam/default/.opam-switch/build/lwt.5.9.2+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.5.9.2+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/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/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 2501, 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_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 2501, characters 2-27:
- Alert unsafe_multidomain: Stdlib.Printexc.register_printer
- Use [Printexc.Safe.register_printer].
-> compiled  lwt.5.9.2+ox
-> installed lwt.5.9.2+ox
[WARNING] Opam package conf-libev.4-13 depends on the following system package that can no longer be found: libev-dev

=== STDERR ===

2026-10-06 17:59.56: OK: build lwt.5.9.2+ox (runc: 25.7s, disk: 13KB)
2026-10-06 17:59.56: Job succeeded