Build:
  1. 0
2026-10-22 13:49.02: New job: build core_profiler.v0.13.0 (5471398fe3dc)
2026-10-22 13:49.02: Waiting for resource in pool day11-builds
2026-10-22 14:53.07: Got resource from pool day11-builds
2026-10-22 14:53.07: [profile full] build core_profiler.v0.13.0
2026-10-22 14:53.07: build core_profiler.v0.13.0 (5471398fe3dc)
=== DEPENDENCIES (69 transitive) ===
  base.v0.13.2                                       fb54b6d88e91
  base-threads.base                                  ca51096a9c5b
  base-unix.base                                     88a83b7ed333
  base_bigstring.v0.13.0                             8268210cf1a6
  base_quickcheck.v0.13.0                            6f3b93bf4fe2
  bin_prot.v0.13.0                                   28945da869af
  core.v0.13.0                                       c203c8011685
  core_kernel.v0.13.1                                27faa2849931
  csexp.1.5.2                                        d71afead8f90
  dune.3.24.2                                        de25fed135e6
  dune-configurator.3.22.2                           72664a7570a7
  fieldslib.v0.13.0                                  e5ea573c9a56
  jane-street-headers.v0.13.0                        5504c1042b1b
  jst-config.v0.13.0                                 ee055146225c
  num.1.6                                            6492981a3f8a
  ocaml.4.11.2                                       be3bce46f1e4
  ocaml-base-compiler.4.11.2                         0b67d928ba9b
  ocaml-compiler-libs.v0.12.4                        fbe5f7b98f58
  ocaml-config.1                                     fec73e7949c0
  ocaml-migrate-parsetree.1.8.0                      ad0f97dd3586
  ocaml-secondary-compiler.4.14.2                    ad00659de5da
  ocamlfind.1.9.6                                    dfae6a11d0ab
  ocamlfind-secondary.1.9.6                          8292049889c3
  octavius.1.2.2                                     6c6e0b56619c
  parsexp.v0.13.0                                    0d56ba9a8e36
  ppx_assert.v0.13.0                                 cdf28d347e06
  ppx_base.v0.13.0                                   277f91d0abb9
  ppx_bench.v0.13.0                                  4177e1df3fe0
  ppx_bin_prot.v0.13.0                               7546012f3b9e
  ppx_cold.v0.13.0                                   c8a410c3c019
  ppx_compare.v0.13.0                                b07042a5ab98
  ppx_custom_printf.v0.13.0                          7f78a6780cc8
  ppx_derivers.1.2.1                                 3e5a19351ab2
  ppx_enumerate.v0.13.0                              4dbe46c46221
  ppx_expect.v0.13.1                                 cee25b3ff3ff
  ppx_fail.v0.13.0                                   761701746841
  ppx_fields_conv.v0.13.0                            543ab78579d9
  ppx_hash.v0.13.0                                   cba8640fd078
  ppx_here.v0.13.0                                   012f0f44bfbd
  ppx_inline_test.v0.13.1                            c918ae4072dd
  ppx_jane.v0.13.0                                   fcb2eacca9c2
  ppx_js_style.v0.13.0                               0be9b2e9ab54
  ppx_let.v0.13.0                                    e341083f9cec
  ppx_module_timer.v0.13.0                           22c7e0ebde2f
  ppx_optcomp.v0.13.0                                7e397ec40715
  ppx_optional.v0.13.0                               90dda4ca23d1
  ppx_pipebang.v0.13.0                               e3f527c8fa9f
  ppx_sexp_conv.v0.13.0                              c78dc25fc0d1
  ppx_sexp_message.v0.13.0                           9e1d894f4b50
  ppx_sexp_value.v0.13.0                             e82c6119cbd6
  ppx_stable.v0.13.0                                 af338d6b8214
  ppx_typerep_conv.v0.13.0                           63c777cf1921
  ppx_variants_conv.v0.13.0                          993a68d2d7b6
  ppxlib.0.13.0                                      8f0e3bd0dcc4
  re.1.11.0                                          f75f1fc03b59
  re2.v0.13.0                                        b230e73d2efa
  result.1.5                                         e900a0d6ca9c
  seq.base                                           c8f0474d8ec8
  sexplib.v0.13.0                                    e5520f227f27
  sexplib0.v0.13.0                                   6e64495ba429
  shell.v0.13.0                                      cf1acb704a59
  spawn.v0.17.0                                      4ef0b8df024f
  splittable_random.v0.13.0                          4e19b9033735
  stdio.v0.13.0                                      507f0ffe2a7c
  textutils.v0.13.0                                  5d7bb9ac4acd
  textutils_kernel.v0.13.0                           964ceba0b9f5
  time_now.v0.13.0                                   f13170286120
  typerep.v0.13.0                                    a7d57b094c42
  variantslib.v0.13.0                                4c278bd31843
=== STDOUT ===
Processing: [default: loading data]
[core_profiler.v0.13.0: dl]
[core_profiler.v0.13.0: extract]
-> retrieved core_profiler.v0.13.0  (https://opam.ocaml.org/cache)
[core_profiler: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "core_profiler" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/core_profiler.v0.13.0)
- File "offline_tool/bin/dune", line 1, characters 33-46:
- 1 | (executables (names dump_metrics profiler_tool)
-                                      ^^^^^^^^^^^^^
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -o offline_tool/bin/profiler_tool.exe /home/opam/.opam/default/lib/base/base_internalhash_types/base_internalhash_types.cmxa -I /home/opam/.opam/default/lib/base/base_internalhash_types /home/opam/.opam/default/lib/base/caml/caml.cmxa /home/opam/.opam/default/lib/sexplib0/sexplib0.cmxa /home/opam/.opam/default/lib/base/shadow_stdlib/shadow_stdlib.cmxa /home/opam/.opam/default/lib/base/base.cmxa -I /home/opam/.opam/default/lib/base /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib/ppx_sexp_conv_lib.cmxa /home/opam/.opam/default/lib/ppx_here/runtime-lib/ppx_here_lib.cmxa /home/opam/.opam/default/lib/ppx_inline_test/config/inline_test_config.cmxa /home/opam/.opam/default/lib/ppx_inline_test/runtime-lib/ppx_inline_test_lib.cmxa /home/opam/.opam/default/lib/ppx_bench/runtime-lib/ppx_bench_lib.cmxa /home/opam/.opam/default/lib/ppx_compare/runtime-lib/ppx_compare_lib.cmxa /home/opam/.opam/default/lib/ppx_assert/runtime-lib/ppx_assert_lib.cmxa /home/opam/.opam/default/lib/splittable_random/splittable_random.cmxa /home/opam/.opam/default/lib/fieldslib/fieldslib.cmxa /home/opam/.opam/default/lib/ppx_enumerate/runtime-lib/ppx_enumerate_lib.cmxa /home/opam/.opam/default/lib/ppx_hash/runtime-lib/ppx_hash_lib.cmxa /home/opam/.opam/default/lib/base_quickcheck/base_quickcheck.cmxa /home/opam/.opam/default/lib/base/md5/md5_lib.cmxa /home/opam/.opam/default/lib/ocaml/unix.cmxa -I /home/opam/.opam/default/lib/ocaml /home/opam/.opam/default/lib/ocaml/bigarray.cmxa -I /home/opam/.opam/default/lib/ocaml /home/opam/.opam/default/lib/variantslib/variantslib.cmxa /home/opam/.opam/default/lib/bin_prot/shape/bin_shape_lib.cmxa /home/opam/.opam/default/lib/bin_prot/bin_prot.cmxa -I /home/opam/.opam/default/lib/bin_prot /home/opam/.opam/default/lib/stdio/stdio.cmxa /home/opam/.opam/default/lib/jane-street-headers/jane_street_headers.cmxa /home/opam/.opam/default/lib/time_now/time_now.cmxa -I /home/opam/.opam/default/lib/time_now /home/opam/.opam/default/lib/ppx_module_timer/runtime/ppx_module_timer_runtime.cmxa /home/opam/.opam/default/lib/typerep/typerep_lib.cmxa /home/opam/.opam/default/lib/ppx_expect/common/expect_test_common.cmxa /home/opam/.opam/default/lib/ppx_expect/config/expect_test_config.cmxa /home/opam/.opam/default/lib/ppx_expect/collector/expect_test_collector.cmxa -I /home/opam/.opam/default/lib/ppx_expect/collector /home/opam/.opam/default/lib/base_bigstring/base_bigstring.cmxa -I /home/opam/.opam/default/lib/base_bigstring /home/opam/.opam/default/lib/core_kernel/base_for_tests/base_for_tests.cmxa /home/opam/.opam/default/lib/parsexp/parsexp.cmxa /home/opam/.opam/default/lib/sexplib/sexplib.cmxa /home/opam/.opam/default/lib/core_kernel/core_kernel.cmxa -I /home/opam/.opam/default/lib/core_kernel /home/opam/.opam/default/lib/ocaml/threads/threads.cmxa -I /home/opam/.opam/default/lib/ocaml /home/opam/.opam/default/lib/core/error_checking_mutex/error_checking_mutex.cmxa -I /home/opam/.opam/default/lib/core/error_checking_mutex /home/opam/.opam/default/lib/core_kernel/bounded_int_table/bounded_int_table.cmxa /home/opam/.opam/default/lib/core_kernel/flags/flags.cmxa /home/opam/.opam/default/lib/core_kernel/version_util/version_util.cmxa -I /home/opam/.opam/default/lib/core_kernel/version_util /home/opam/.opam/default/lib/sexplib/unix/sexplib_unix.cmxa /home/opam/.opam/default/lib/spawn/spawn.cmxa -I /home/opam/.opam/default/lib/spawn /home/opam/.opam/default/lib/core/core.cmxa -I /home/opam/.opam/default/lib/core /home/opam/.opam/default/lib/textutils/console/console.cmxa /home/opam/.opam/default/lib/textutils/ascii_table/ascii_table.cmxa disabled_lib/core_profiler_disabled.cmxa /home/opam/.opam/default/lib/core/time_stamp_counter/time_stamp_counter.cmxa -I /home/opam/.opam/default/lib/core/time_stamp_counter src/core_profiler.cmxa /home/opam/.opam/default/lib/re2/c/re2_c.cmxa -I /home/opam/.opam/default/lib/re2/c /home/opam/.opam/default/lib/core_kernel/rope/rope.cmxa /home/opam/.opam/default/lib/re2/re2.cmxa -I /home/opam/.opam/default/lib/re2 offline_tool/lib/core_profiler_offline_tool.cmxa /home/opam/.opam/default/lib/shell/string_extended/string_extended.cmxa /home/opam/.opam/default/lib/textutils_kernel/text_graph/text_graph.cmxa offline_tool/bin/.dump_metrics.eobjs/native/profiler_tool.cmx)
- /usr/bin/ld: /home/opam/.opam/default/lib/core/core.a(core__Linux_ext.o): in function `camlCore__Linux_ext__sched_setaffinity_this_thread_92955':
- /home/opam/.opam/default/.opam-switch/build/core.v0.13.0/_build/default/src/linux_ext.ml:685:(.text+0x42e0): undefined reference to `core_unix_gettid'
- /usr/bin/ld: /home/opam/.opam/default/lib/core/core.a(core__Linux_ext.o): in function `camlCore__Linux_ext__1':
- :(.data+0x39e8): undefined reference to `core_unix_gettid'
- collect2: error: ld returned 1 exit status
- File "caml_startup", line 1:
- Error: Error during linking (exit code 1)
[ERROR] The compilation of core_profiler.v0.13.0 failed at "dune build -p core_profiler -j 39".
build failed... 

=== STDERR ===

2026-10-22 14:54.56: FAILED: build core_profiler.v0.13.0
2026-10-22 14:54.56: Job failed: build failed: core_profiler.v0.13.0