2026-09-20 12:02.18: New job: build core_profiler.v0.15.0 (587519fdd986)
2026-09-20 12:02.18: Waiting for resource in pool day11-builds
2026-09-20 12:30.01: Got resource from pool day11-builds
2026-09-20 12:30.01: [profile full] build core_profiler.v0.15.0
2026-09-20 12:30.02: build core_profiler.v0.15.0 (587519fdd986)
=== DEPENDENCIES (77 transitive) ===
  base.v0.15.2                                       8ac380729cb2
  base-threads.base                                  ddcab511c589
  base-unix.base                                     742554e1dbc2
  base_bigstring.v0.15.0                             e0fb17320ab4
  base_quickcheck.v0.15.0                            4fcef2d45ed8
  bin_prot.v0.15.0                                   d658073c7f3e
  conf-g++.1.0                                       4c3a1e50684b
  core.v0.15.1                                       3b1425cb4468
  core_kernel.v0.15.0                                c6e40626b3b0
  core_unix.v0.15.2                                  eb16b9cba16a
  csexp.1.5.2                                        2634d02feb2e
  dune.3.24.2                                        5923405810fc
  dune-configurator.3.24.2                           791f1620030a
  expect_test_helpers_core.v0.15.0                   6b3319927c0f
  fieldslib.v0.15.0                                  e42d03ee663c
  int_repr.v0.15.0                                   b832cb1b74f5
  jane-street-headers.v0.15.0                        141909fa1e61
  jst-config.v0.15.1                                 30cbd4b1e8d0
  num.1.6                                            8ee33ff953b1
  ocaml.5.0.0                                        8d11afc53104
  ocaml-base-compiler.5.0.0                          bae3367493d6
  ocaml-compiler-libs.v0.12.4                        724ad2eaed88
  ocaml-config.3                                     773982463adc
  ocaml_intrinsics.v0.15.2                           eb663b2f3742
  ocamlbuild.0.16.1                                  11c9e615d587
  ocamlfind.1.9.8                                    36f8148f945d
  parsexp.v0.15.0                                    41b490663f08
  ppx_assert.v0.15.0                                 e1466bd6cbcd
  ppx_base.v0.15.0                                   54aba138084a
  ppx_bench.v0.15.1                                  b0d80c768b70
  ppx_bin_prot.v0.15.0                               4a403d961a2f
  ppx_cold.v0.15.0                                   1c7099636edf
  ppx_compare.v0.15.0                                151895bcf17d
  ppx_custom_printf.v0.15.0                          86e0984c6c40
  ppx_derivers.1.2.1                                 5e8eb0f244d4
  ppx_disable_unused_warnings.v0.15.0                750ad89d7f0a
  ppx_enumerate.v0.15.0                              1a6127583f0f
  ppx_expect.v0.15.1                                 ee590df84127
  ppx_fields_conv.v0.15.0                            eb4fcf8cccbc
  ppx_fixed_literal.v0.15.0                          3b9a90c07cb1
  ppx_hash.v0.15.0                                   a025f5be245b
  ppx_here.v0.15.0                                   e5446176f8ce
  ppx_ignore_instrumentation.v0.15.0                 eb4b5f1cbec8
  ppx_inline_test.v0.15.1                            dc737fc18c87
  ppx_jane.v0.15.0                                   16ad93869e54
  ppx_let.v0.15.0                                    7aae7f345b14
  ppx_log.v0.15.0                                    5f32449d4f1a
  ppx_module_timer.v0.15.0                           5edd9410a529
  ppx_optcomp.v0.15.0                                cd0b7132396b
  ppx_optional.v0.15.0                               bf4695e5e0fc
  ppx_pipebang.v0.15.0                               559897541dc9
  ppx_sexp_conv.v0.15.1                              e61f8df9c3e1
  ppx_sexp_message.v0.15.0                           802b68533107
  ppx_sexp_value.v0.15.0                             e477d6f9ee75
  ppx_stable.v0.15.0                                 e5a1192354df
  ppx_string.v0.15.0                                 07c338328da4
  ppx_typerep_conv.v0.15.0                           a2cb5aadf0a6
  ppx_variants_conv.v0.15.0                          ceb44d7a243b
  ppxlib.0.35.0                                      0ee913cb7116
  re.1.14.0                                          bee1f10f75f8
  re2.v0.15.0                                        b4678014a8a8
  sexp_pretty.v0.15.1                                2ceca3428391
  sexplib.v0.15.1                                    a49716f7a6ac
  sexplib0.v0.15.1                                   f151740790b8
  shell.v0.15.0                                      13abc3dc44b6
  spawn.v0.17.0                                      214926de4a7c
  splittable_random.v0.15.0                          36a18f732e4f
  stdio.v0.15.0                                      c055ef851a24
  stdlib-shims.0.3.0                                 f9bc7e1961de
  textutils.v0.15.0                                  d2e950aa465f
  textutils_kernel.v0.15.0                           15f8c54b5f04
  time_now.v0.15.0                                   924525f6b80e
  timezone.v0.15.0                                   b10267b1cacb
  topkg.1.1.1                                        115afb6fe807
  typerep.v0.15.0                                    9b2e30e3c4c4
  uutf.1.0.4                                         73f3abcb2be3
  variantslib.v0.15.0                                d7c7ba835c5e
=== STDOUT ===
Processing: [default: loading data]
[core_profiler.v0.15.0: dl]
[core_profiler.v0.15.0: extract]
-> retrieved core_profiler.v0.15.0  (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.v0.15.0)
- 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_compare/runtime-lib/ppx_compare_lib.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/ppx_here/runtime-lib/ppx_here_lib.cmxa /home/opam/.opam/default/lib/ppx_assert/runtime-lib/ppx_assert_lib.cmxa /home/opam/.opam/default/lib/ppx_bench/runtime-lib/ppx_bench_lib.cmxa /home/opam/.opam/default/lib/base/md5/md5_lib.cmxa /home/opam/.opam/default/lib/fieldslib/fieldslib.cmxa /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/ppx_inline_test/config/inline_test_config.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_inline_test/runtime-lib/ppx_inline_test_lib.cmxa /home/opam/.opam/default/lib/stdio/stdio.cmxa /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_types/expect_test_config_types.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/ppx_expect/config/expect_test_config.cmxa /home/opam/.opam/default/lib/parsexp/parsexp.cmxa /home/opam/.opam/default/lib/sexplib/sexplib.cmxa /home/opam/.opam/default/lib/ppx_log/types/ppx_log_types.cmxa /home/opam/.opam/default/lib/splittable_random/splittable_random.cmxa /home/opam/.opam/default/lib/base_quickcheck/base_quickcheck.cmxa /home/opam/.opam/default/lib/base_quickcheck/ppx_quickcheck/runtime/ppx_quickcheck_runtime.cmxa /home/opam/.opam/default/lib/int_repr/int_repr.cmxa /home/opam/.opam/default/lib/base_bigstring/base_bigstring.cmxa -I /home/opam/.opam/default/lib/base_bigstring /home/opam/.opam/default/lib/core/base_for_tests/base_for_tests.cmxa /home/opam/.opam/default/lib/core/validate/validate.cmxa /home/opam/.opam/default/lib/core/core.cmxa -I /home/opam/.opam/default/lib/core /home/opam/.opam/default/lib/core_kernel/ansi_kernel/ansi_kernel.cmxa /home/opam/.opam/default/lib/core_kernel/bounded_int_table/bounded_int_table.cmxa /home/opam/.opam/default/lib/ocaml/unix/unix.cmxa /home/opam/.opam/default/lib/ocaml/threads/threads.cmxa /home/opam/.opam/default/lib/core_kernel/caml_threads/caml_threads.cmxa /home/opam/.opam/default/lib/core_kernel/caml_unix/caml_unix.cmxa /home/opam/.opam/default/lib/core_unix/signal_unix/signal_unix.cmxa -I /home/opam/.opam/default/lib/core_unix/signal_unix /home/opam/.opam/default/lib/core_unix/core_thread/core_thread.cmxa -I /home/opam/.opam/default/lib/core_unix/core_thread /home/opam/.opam/default/lib/core_unix/sys_unix/sys_unix.cmxa -I /home/opam/.opam/default/lib/core_unix/sys_unix /home/opam/.opam/default/lib/core_unix/filename_unix/filename_unix.cmxa -I /home/opam/.opam/default/lib/core_unix/filename_unix /home/opam/.opam/default/lib/core_unix/error_checking_mutex/error_checking_mutex.cmxa -I /home/opam/.opam/default/lib/core_unix/error_checking_mutex /home/opam/.opam/default/lib/core_kernel/flags/flags.cmxa /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_unix/core_unix.cmxa -I /home/opam/.opam/default/lib/core_unix /home/opam/.opam/default/lib/timezone/timezone.cmxa /home/opam/.opam/default/lib/core_unix/time_unix/time_unix.cmxa /home/opam/.opam/default/lib/core_unix/time_ns_unix/time_ns_unix.cmxa /home/opam/.opam/default/lib/core_unix/linux_ext/linux_ext.cmxa -I /home/opam/.opam/default/lib/core_unix/linux_ext /home/opam/.opam/default/lib/textutils/console/console.cmxa /home/opam/.opam/default/lib/uutf/uutf.cmxa /home/opam/.opam/default/lib/textutils_kernel/utf8_text/utf8_text.cmxa /home/opam/.opam/default/lib/textutils/ascii_table_kernel/ascii_table_kernel.cmxa /home/opam/.opam/default/lib/textutils/ascii_table/ascii_table.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/core_unix/command_unix/command_unix.cmxa /home/opam/.opam/default/lib/core_unix/ocaml_c_utils/ocaml_c_utils.cmxa -I /home/opam/.opam/default/lib/core_unix/ocaml_c_utils /home/opam/.opam/default/lib/core_unix/bigstring_unix/bigstring_unix.cmxa -I /home/opam/.opam/default/lib/core_unix/bigstring_unix disabled_lib/core_profiler_disabled.cmxa /home/opam/.opam/default/lib/core_kernel/iobuf/iobuf.cmxa /home/opam/.opam/default/lib/ocaml_intrinsics/ocaml_intrinsics.cmxa -I /home/opam/.opam/default/lib/ocaml_intrinsics /home/opam/.opam/default/lib/core_unix/time_stamp_counter/time_stamp_counter.cmxa -I /home/opam/.opam/default/lib/core_unix/time_stamp_counter src/core_profiler.cmxa /home/opam/.opam/default/lib/core_unix/interval_lib/interval_lib.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_unix/linux_ext/linux_ext.a(linux_ext.o): in function `camlLinux_ext__sched_setaffinity_this_thread_25506':
- /home/opam/.opam/default/.opam-switch/build/core_unix.v0.15.2/_build/default/linux_ext/src/linux_ext.ml:830:(.text+0x55be): undefined reference to `core_unix_gettid'
- /usr/bin/ld: /home/opam/.opam/default/lib/core_unix/linux_ext/linux_ext.a(linux_ext.o): in function `camlLinux_ext__1':
- :(.data+0x4300): 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.v0.15.0 failed at "dune build -p core_profiler -j 39".
build failed... 

=== STDERR ===

2026-09-20 12:30.32: FAILED: build core_profiler.v0.15.0
2026-09-20 12:30.32: Job failed: build failed: core_profiler.v0.15.0