Build:
  1. 0
2026-08-05 21:57.27: New job: build jupyter.2.7.2 (7c3f355591de)
2026-08-05 21:57.27: Waiting for resource in pool day11-builds
2026-08-05 22:59.57: Got resource from pool day11-builds
2026-08-05 22:59.57: [profile full] build jupyter.2.7.2
2026-08-05 22:59.57: build jupyter.2.7.2 (7c3f355591de)
=== DEPENDENCIES (37 transitive) ===
  base-bytes.base                                    e8f5a76d8201
  base-threads.base                                  4e0218232a65
  base-unix.base                                     2d2c0bf34146
  base64.3.5.2                                       6b36e7f7afa9
  conf-gmp.5                                         a6b4a9039f5d
  conf-gmp-powm-sec.4                                9e41e5228d03
  conf-pkg-config.5                                  4a77ab8734e0
  conf-zlib.1                                        1afa441829d8
  conf-zmq.0.1                                       ac4c949754df
  cppo.1.8.0                                         909b0ca42c8c
  cryptokit.1.20                                     57e17f7e4644
  csexp.1.5.2                                        139ef3a6551a
  dune.3.22.2                                        36feb8e45621
  dune-configurator.3.22.2                           5adeed2203e1
  logs.0.8.0                                         6276d092904b
  lwt.5.10.1                                         45ada76ccf02
  lwt_ppx.5.9.3                                      7a31c1ef7f45
  ocaml.4.11.2                                       213b212adbbe
  ocaml-base-compiler.4.11.2                         e10be2832907
  ocaml-compiler-libs.v0.12.4                        c682124f3191
  ocaml-config.1                                     7f31947ebf76
  ocamlbuild.0.16.1                                  757cd6c460eb
  ocamlfind.1.9.8                                    13ce6491d61a
  ocplib-endian.1.2                                  9aaf103ff56e
  ppx_derivers.1.2.1                                 9297f917c149
  ppx_deriving.6.1.3                                 bbb54351bf3d
  ppx_deriving_yojson.3.10.0                         e4762ea30881
  ppxlib.0.38.0                                      e91c45fb914e
  sexplib0.v0.16.0                                   2ef0144e2f1c
  stdint.0.7.2                                       c1ed0779c9ed
  stdlib-shims.0.3.0                                 59861cc65b45
  topkg.1.1.1                                        b900de6100ae
  uuidm.0.9.8                                        57b27db05245
  yojson.3.0.0                                       9aa78a3ec7df
  zarith.1.14                                        4898ab24b65b
  zmq.5.3.0                                          57a7f99cee6d
  zmq-lwt.5.3.0                                      08c30b5dcb49
=== 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 ===

2026-08-05 23:00.20: FAILED: build jupyter.2.7.2
2026-08-05 23:00.20: Job failed: build failed: jupyter.2.7.2