2026-06-24 15:56.08: New job: build jupyter.2.7.2 (a4242d448ee2)
2026-06-24 15:56.08: Waiting for resource in pool day11-builds
2026-06-24 16:53.56: Got resource from pool day11-builds
2026-06-24 16:53.56: [profile full] build jupyter.2.7.2
2026-06-24 16:53.56: build jupyter.2.7.2 (a4242d448ee2)
=== DEPENDENCIES (37 transitive) ===
  base-bytes.base                                    3e1ba44cda89
  base-threads.base                                  c9e7bdbf5823
  base-unix.base                                     7d1428be9ddb
  base64.3.5.2                                       d4ee6319d1fa
  conf-gmp.5                                         be11edf77089
  conf-gmp-powm-sec.4                                7029468462a8
  conf-pkg-config.5                                  d5de2c6a88f9
  conf-zlib.1                                        5297f1b9477f
  conf-zmq.0.1                                       a8f950327ee3
  cppo.1.8.0                                         2e95fa8d1658
  cryptokit.1.20                                     e678b6ff4824
  csexp.1.5.2                                        ddd4f73d4409
  dune.3.22.2                                        de99614aa6cd
  dune-configurator.3.22.2                           4d1b865f0d6d
  logs.0.8.0                                         918eb20203e4
  lwt.5.10.0                                         94b2fb14d145
  lwt_ppx.5.9.3                                      f890ac80e752
  ocaml.4.11.2                                       dc018a4b7397
  ocaml-base-compiler.4.11.2                         81f0dd8b8651
  ocaml-compiler-libs.v0.12.4                        e6d12cb9203e
  ocaml-config.1                                     2489653e51e5
  ocamlbuild.0.16.1                                  c852f758aecf
  ocamlfind.1.9.8                                    c048fc0ddff1
  ocplib-endian.1.2                                  00aa5cd3bf32
  ppx_derivers.1.2.1                                 cbbfbf126cd3
  ppx_deriving.6.1.1                                 12071aba7490
  ppx_deriving_yojson.3.10.0                         7c60749de4cb
  ppxlib.0.38.0                                      190de9fccddf
  sexplib0.v0.16.0                                   2381150e803b
  stdint.0.7.2                                       b61f861c1639
  stdlib-shims.0.3.0                                 ec1dd6b9e716
  topkg.1.1.1                                        1dae331d8019
  uuidm.0.9.8                                        d66e34758c0d
  yojson.3.0.0                                       9704a9ae19bc
  zarith.1.14                                        5f1143c5312d
  zmq.5.3.0                                          b45c2aa5f4d8
  zmq-lwt.5.3.0                                      0ab28c27872b
=== STDOUT ===
Processing: [default: loading data]
[jupyter.2.7.2: dl]
[jupyter.2.7.2: extract]
-> retrieved jupyter.2.7.2  (https://opam.ocaml.org/cache)
[jupyter: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "jupyter" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/jupyter.2.7.2)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -ppx '/home/opam/.opam/default/lib/lwt_ppx/./ppx.exe --as-ppx' -ppx '/home/opam/.opam/default/lib/ppx_deriving/./ppx_deriving package:ppx_deriving_yojson' -short-paths -safe-string -strict-sequence -strict-formats -w A-4-31-33-34-39-41-42-43-44-45-48-49-50-58 -g -bin-annot -I jupyter/src/core/.jupyter.objs/byte -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/ppx_deriving/runtime -I /home/opam/.opam/default/lib/ppx_deriving_yojson/runtime -I /home/opam/.opam/default/lib/uuidm -I /home/opam/.opam/default/lib/yojson -no-alias-deps -open Jupyter__ -o jupyter/src/core/.jupyter.objs/byte/jupyter__Json.cmi -c -intf jupyter/src/core/json.pp.mli)
- File "jupyter/src/core/json.mli", line 25, characters 27-40:
- 25 | val or_none : ('a, string) Result.result -> 'a option
-                                 ^^^^^^^^^^^^^
- Error: Unbound type constructor Result.result
[ERROR] The compilation of jupyter.2.7.2 failed at "dune build -p jupyter -j 39".
build failed... 

=== STDERR ===

2026-06-24 16:54.42: FAILED: build jupyter.2.7.2
2026-06-24 16:54.42: Job failed: build failed: jupyter.2.7.2