2026-07-26 14:21.45: New job: build jupyter.2.7.4 (f556c8ed4327)
2026-07-26 14:21.45: Waiting for resource in pool day11-builds
2026-07-26 15:02.19: Got resource from pool day11-builds
2026-07-26 15:02.19: [profile full] build jupyter.2.7.4
2026-07-26 15:02.19: build jupyter.2.7.4 (f556c8ed4327)
=== DEPENDENCIES (37 transitive) ===
  base-bytes.base                                    dd2e2c414ff6
  base-threads.base                                  afe16a8e71c3
  base-unix.base                                     73c0a5fdd34a
  base64.3.5.2                                       f6ca285ed665
  conf-gmp.5                                         be8168159001
  conf-gmp-powm-sec.4                                e21440c8dffb
  conf-pkg-config.5                                  2c611009363a
  conf-zlib.1                                        9b96a8154eb2
  conf-zmq.0.1                                       fc5d77bc2d6d
  cppo.1.8.0                                         3ddf6f6be808
  cryptokit.1.20                                     d4afad58c628
  csexp.1.5.2                                        383cfe8162e8
  dune.3.22.2                                        c9b163c3d182
  dune-configurator.3.22.2                           ebcc96d9165e
  logs.0.8.0                                         5a05336c86c9
  lwt.5.10.1                                         47803607acc8
  lwt_ppx.5.9.3                                      af4faff141b2
  ocaml.4.12.1                                       2e208a8b534b
  ocaml-base-compiler.4.12.1                         59bab1e31391
  ocaml-compiler-libs.v0.12.4                        367589f39994
  ocaml-config.2                                     3bbb540b53a1
  ocamlbuild.0.16.1                                  b795277b77b8
  ocamlfind.1.9.8                                    b0ede4ffa1d1
  ocplib-endian.1.2                                  d90f1fa2d56e
  ppx_derivers.1.2.1                                 b3d3946f7533
  ppx_deriving.6.1.3                                 b26836c23b77
  ppx_deriving_yojson.3.10.0                         6cb8749ea858
  ppxlib.0.38.0                                      3ccd17a65f2b
  sexplib0.v0.16.0                                   abc3a34b6de8
  stdint.0.7.2                                       e3e66d876f36
  stdlib-shims.0.3.0                                 a5eb7c70f8ac
  topkg.1.1.1                                        f4dea5918187
  uuidm.0.9.8                                        868e18d29686
  yojson.3.0.0                                       471b4c81126b
  zarith.1.14                                        1c499cfc0a71
  zmq.5.3.0                                          67b8768332b2
  zmq-lwt.5.3.0                                      f10ca5c0673a
=== STDOUT ===
Processing: [default: loading data]
[jupyter.2.7.4: dl]
[jupyter.2.7.4: extract]
-> retrieved jupyter.2.7.4  (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.2.7.4)
- (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.2.7.4 failed at "dune build -p jupyter -j 39".
build failed... 

=== STDERR ===

2026-07-26 15:03.37: FAILED: build jupyter.2.7.4
2026-07-26 15:03.37: Job failed: build failed: jupyter.2.7.4