Build:
  1. 0
2026-06-24 21:42.39: New job: build polars.0.0.1 (b3569b42cdd5)
2026-06-24 21:42.39: Waiting for resource in pool day11-builds
2026-06-24 22:01.31: Got resource from pool day11-builds
2026-06-24 22:01.31: [profile full] build polars.0.0.1
2026-06-24 22:01.31: build polars.0.0.1 (b3569b42cdd5)
=== DEPENDENCIES (73 transitive) ===
  base.v0.16.5                                       029e992da996
  base-threads.base                                  c9e7bdbf5823
  base-unix.base                                     7d1428be9ddb
  base_bigstring.v0.16.0                             dc437739338d
  base_quickcheck.v0.16.0                            9879c6f01f45
  bin_prot.v0.16.0                                   cc021727f764
  conf-rust-2021.1                                   0a959f29c9b7
  core.v0.16.2                                       5e0b91786201
  core_kernel.v0.16.0                                06676f29c28a
  core_unix.v0.16.0                                  8414985bfb2e
  csexp.1.5.2                                        610c78f17734
  dune.3.23.1                                        848a72441e15
  dune-configurator.3.23.1                           bc97ce98d8a9
  expect_test_helpers_core.v0.16.0                   f776377e326b
  fieldslib.v0.16.0                                  ea6a0d7c9d72
  int_repr.v0.16.0                                   74f063ece253
  jane-street-headers.v0.16.0                        a0c66b9dc73a
  jst-config.v0.16.0                                 4fad7d109519
  num.1.6                                            110cee7a7e2e
  ocaml.4.14.4                                       b047fb9251f4
  ocaml-base-compiler.4.14.4                         d3b7ccb2c6fb
  ocaml-compiler-libs.v0.12.4                        2aecf989b0b2
  ocaml-config.2                                     2d9c209f5590
  ocaml_intrinsics.v0.16.2                           aa8d1eec7ca1
  parsexp.v0.16.0                                    63c67db8428c
  ppx_assert.v0.16.0                                 76edfbece3d4
  ppx_base.v0.16.0                                   08f1db566da1
  ppx_bench.v0.16.0                                  5efc8e4cc6fe
  ppx_bin_prot.v0.16.0                               d890c7a296d8
  ppx_cold.v0.16.0                                   4a362e64c95e
  ppx_compare.v0.16.0                                79c7c926a481
  ppx_custom_printf.v0.16.0                          8afe001e9915
  ppx_derivers.1.2.1                                 9245877bc46e
  ppx_disable_unused_warnings.v0.16.0                fa98f27c93ce
  ppx_enumerate.v0.16.0                              5d3e278f775a
  ppx_expect.v0.16.2                                 eda91ba25494
  ppx_fields_conv.v0.16.0                            49cacaa31cc0
  ppx_fixed_literal.v0.16.0                          da6b97271af3
  ppx_globalize.v0.16.0                              7e2c4d5c6e35
  ppx_hash.v0.16.0                                   38ac6ec0b350
  ppx_here.v0.16.0                                   ab2307888e8a
  ppx_ignore_instrumentation.v0.16.0                 8b51a7133d0e
  ppx_inline_test.v0.16.1                            72b436a7e760
  ppx_jane.v0.16.0                                   f65ffbbd3309
  ppx_let.v0.16.0                                    9761b1df01ef
  ppx_log.v0.16.0                                    861647ebee19
  ppx_module_timer.v0.16.0                           c0b3962e644b
  ppx_optcomp.v0.16.0                                123abe3d6fce
  ppx_optional.v0.16.0                               92a83af78321
  ppx_pipebang.v0.16.0                               ed91bc4fa32c
  ppx_sexp_conv.v0.16.0                              3dc8c79ef340
  ppx_sexp_message.v0.16.0                           a7e0275ccc06
  ppx_sexp_value.v0.16.0                             9eed0b28a976
  ppx_stable.v0.16.0                                 dc01a714c65e
  ppx_stable_witness.v0.16.0                         c851a0097243
  ppx_string.v0.16.0                                 a2f88b8f9375
  ppx_tydi.v0.16.0                                   577049117930
  ppx_typed_fields.v0.16.0                           dc642cd98838
  ppx_typerep_conv.v0.16.0                           cc19f9f349c6
  ppx_variants_conv.v0.16.0                          444c0e199389
  ppxlib.0.35.0                                      bbb70c1d0b8a
  re.1.14.0                                          d62d6f65abb6
  sexp_pretty.v0.16.0                                c17140425351
  sexplib.v0.16.0                                    4838f1139cdf
  sexplib0.v0.16.0                                   7a6e649d895c
  spawn.v0.17.0                                      4694a27da491
  splittable_random.v0.16.0                          813c744144f9
  stdio.v0.16.0                                      100bbb7c3b43
  stdlib-shims.0.3.0                                 de5202e23add
  time_now.v0.16.0                                   6f31557eab82
  timezone.v0.16.0                                   c224cb672ab7
  typerep.v0.16.0                                    5eb2f2cef7b3
  variantslib.v0.16.0                                707171bc0e91
=== STDOUT ===
Processing: [default: loading data]
[polars.0.0.1: dl]
[polars.0.0.1: extract]
-> retrieved polars.0.0.1  (https://opam.ocaml.org/cache)
[polars: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "polars" "-j" "39" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/polars.0.0.1)
- File "lib/dune", lines 1-14, characters 0-359:
-  1 | (rule
-  2 |  (deps
-  3 |   (source_tree ../rust))
- ....
- 12 |      (run cargo build --release))
- 13 |     (copy ../rust/target/release/libpolars_ocaml.so dllpolars_ocaml.so)
- 14 |     (copy ../rust/target/release/libpolars_ocaml.a libpolars_ocaml.a)))))
- (cd _build/default/rust && /usr/bin/cargo build --release)
- error: package `regex-syntax v0.8.2` cannot be built because it requires rustc 1.65 or newer, while the currently active rustc version is 1.63.0
- Either upgrade to rustc 1.65 or newer, or use
- cargo update -p regex-syntax@0.8.2 --precise ver
- where `ver` is the latest version of `regex-syntax` supporting rustc 1.63.0
[ERROR] The compilation of polars.0.0.1 failed at "dune build -p polars -j 39 @install".
build failed... 

=== STDERR ===

2026-06-24 22:02.18: FAILED: build polars.0.0.1
2026-06-24 22:02.18: Job failed: build failed: polars.0.0.1