2026-07-14 21:15.52: New job: build jupyter.2.7.2 (63c6ea8f668f)
2026-07-14 21:15.52: Waiting for resource in pool day11-builds
2026-07-14 22:20.55: Got resource from pool day11-builds
2026-07-14 22:20.55: [profile full] build jupyter.2.7.2
2026-07-14 22:20.55: build jupyter.2.7.2 (63c6ea8f668f)
=== DEPENDENCIES (37 transitive) ===
  base-bytes.base                                    83fe0eb8680e
  base-threads.base                                  afe16a8e71c3
  base-unix.base                                     73c0a5fdd34a
  base64.3.5.2                                       9874e258ed1c
  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                                         945948bdb2d7
  cryptokit.1.20                                     b611012ca9af
  csexp.1.5.2                                        8114a2e270f2
  dune.3.22.2                                        8ed4174bb2b8
  dune-configurator.3.22.2                           e7d7e9bdbdac
  logs.0.8.0                                         9f5fb3989e4a
  lwt.5.10.1                                         a0bee974772d
  lwt_ppx.5.9.3                                      4be342253849
  ocaml.4.11.2                                       fb1af90d0ba2
  ocaml-base-compiler.4.11.2                         60632dcf213f
  ocaml-compiler-libs.v0.12.4                        a770d7f7036f
  ocaml-config.1                                     b767fc6a08e2
  ocamlbuild.0.16.1                                  04bbac023735
  ocamlfind.1.9.8                                    83e6eb524176
  ocplib-endian.1.2                                  4331fc47bb25
  ppx_derivers.1.2.1                                 7193bc02abf6
  ppx_deriving.6.1.2                                 f1cfd0b3eea8
  ppx_deriving_yojson.3.10.0                         9a22151022f3
  ppxlib.0.38.0                                      6e7176937df3
  sexplib0.v0.16.0                                   e42a38ca3051
  stdint.0.7.2                                       8de665c83055
  stdlib-shims.0.3.0                                 d0761ba92b16
  topkg.1.1.1                                        b310d79467a2
  uuidm.0.9.8                                        f4fbb8857d8f
  yojson.3.0.0                                       fd46d4576bbe
  zarith.1.14                                        8c86913275dd
  zmq.5.3.0                                          12dcde2c6600
  zmq-lwt.5.3.0                                      c7c55290ca35
=== 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 ===

2026-07-14 22:21.14: FAILED: build jupyter.2.7.2
2026-07-14 22:21.14: Job failed: build failed: jupyter.2.7.2