Build:
  1. 0
2026-10-07 21:21.09: New job: build memtrace.0.2.3 (a858417d12ba)
2026-10-07 21:21.09: Waiting for resource in pool day11-builds
2026-10-07 21:25.53: Got resource from pool day11-builds
2026-10-07 21:25.53: [profile oxcaml-odoc-master] build memtrace.0.2.3
2026-10-07 21:25.53: build memtrace.0.2.3 (a858417d12ba)
=== 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]
[memtrace.0.2.3: dl]
[memtrace.0.2.3: extract]
-> retrieved memtrace.0.2.3  (https://opam.ocaml.org/cache)
[memtrace: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "memtrace" "-j" "39" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/memtrace.0.2.3)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I src/.memtrace.objs/byte -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -cmi-file src/.memtrace.objs/byte/memtrace.cmi -no-alias-deps -open Memtrace__ -o src/.memtrace.objs/byte/memtrace.cmo -c -impl src/memtrace.ml)
- File "src/memtrace.ml", line 54, characters 5-16:
- 54 |      Unix.putenv "MEMTRACE" "";
-           ^^^^^^^^^^^
- Alert unsafe_multidomain: Unix.putenv
- Mutating the environment makes reading the environment unsafe.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I src/.memtrace.objs/byte -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -cmi-file src/.memtrace.objs/byte/memtrace__Memprof_tracer.cmi -no-alias-deps -open Memtrace__ -o src/.memtrace.objs/byte/memtrace__Memprof_tracer.cmo -c -impl src/memprof_tracer.ml)
- File "src/memprof_tracer.ml", lines 109-112, characters 2-11:
- 109 | ..Gc.Memprof.start
- 110 |     ~sampling_rate
- 111 |     ~callstack_size:max_int
- 112 |     tracker.
- Warning 10 [non-unit-statement]: this expression should have type unit.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I src/.memtrace.objs/byte -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -cmi-file src/.memtrace.objs/byte/memtrace__Buf.cmi -no-alias-deps -open Memtrace__ -o src/.memtrace.objs/byte/memtrace__Buf.cmo -c -impl src/buf.ml)
- File "src/buf.ml", line 259, characters 2-27:
- 259 |   Printexc.register_printer (function
-         ^^^^^^^^^^^^^^^^^^^^^^^^^
- 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/.memtrace.objs/byte -I src/.memtrace.objs/native -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -cmi-file src/.memtrace.objs/byte/memtrace__Buf.cmi -no-alias-deps -open Memtrace__ -o src/.memtrace.objs/native/memtrace__Buf.cmx -c -impl src/buf.ml)
- File "src/buf.ml", line 259, characters 2-27:
- 259 |   Printexc.register_printer (function
-         ^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Printexc.register_printer
- Use [Printexc.Safe.register_printer].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I src/.memtrace.objs/byte -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -cmi-file src/.memtrace.objs/byte/memtrace__Trace.cmi -no-alias-deps -open Memtrace__ -o src/.memtrace.objs/byte/memtrace__Trace.cmo -c -impl src/trace.ml)
- File "src/trace.ml", line 17, characters 2-27:
- 17 |   Printexc.register_printer (function
-        ^^^^^^^^^^^^^^^^^^^^^^^^^
- 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/.memtrace.objs/byte -I src/.memtrace.objs/native -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -cmi-file src/.memtrace.objs/byte/memtrace__Trace.cmi -no-alias-deps -open Memtrace__ -o src/.memtrace.objs/native/memtrace__Trace.cmx -c -impl src/trace.ml)
- File "src/trace.ml", line 17, characters 2-27:
- 17 |   Printexc.register_printer (function
-        ^^^^^^^^^^^^^^^^^^^^^^^^^
- 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/.memtrace.objs/byte -I src/.memtrace.objs/native -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -cmi-file src/.memtrace.objs/byte/memtrace__Memprof_tracer.cmi -no-alias-deps -open Memtrace__ -o src/.memtrace.objs/native/memtrace__Memprof_tracer.cmx -c -impl src/memprof_tracer.ml)
- File "src/memprof_tracer.ml", lines 109-112, characters 2-11:
- 109 | ..Gc.Memprof.start
- 110 |     ~sampling_rate
- 111 |     ~callstack_size:max_int
- 112 |     tracker.
- Warning 10 [non-unit-statement]: this expression should have type unit.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I src/.memtrace.objs/byte -I src/.memtrace.objs/native -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -cmi-file src/.memtrace.objs/byte/memtrace.cmi -no-alias-deps -open Memtrace__ -o src/.memtrace.objs/native/memtrace.cmx -c -impl src/memtrace.ml)
- File "src/memtrace.ml", line 54, characters 5-16:
- 54 |      Unix.putenv "MEMTRACE" "";
-           ^^^^^^^^^^^
- Alert unsafe_multidomain: Unix.putenv
- Mutating the environment makes reading the environment unsafe.
-> compiled  memtrace.0.2.3
-> installed memtrace.0.2.3

=== STDERR ===

2026-10-07 21:26.17: OK: build memtrace.0.2.3 (runc: 14.4s, disk: 10KB)
2026-10-07 21:26.17: Job succeeded