2026-09-03 21:29.24: New job: build jupyter.2.7.5 (28e56eeacd5a)
2026-09-03 21:29.24: Waiting for resource in pool day11-builds
2026-09-03 22:36.30: Got resource from pool day11-builds
2026-09-03 22:36.30: [profile full] build jupyter.2.7.5
2026-09-03 22:36.30: build jupyter.2.7.5 (28e56eeacd5a)
=== DEPENDENCIES (37 transitive) ===
  base-bytes.base                                    c7e0c3be9a18
  base-threads.base                                  3d2f2cbc6db2
  base-unix.base                                     3a38ddca6b5e
  base64.3.5.2                                       b9ab2082144f
  conf-gmp.5                                         eac5259e412f
  conf-gmp-powm-sec.4                                52de364a13b8
  conf-pkg-config.5                                  74f50f3cfe72
  conf-zlib.1                                        26591fa9352c
  conf-zmq.0.1                                       c04c3ad518ca
  cppo.1.8.0                                         3fbfc3c3c973
  cryptokit.1.20                                     06f20312d1a0
  csexp.1.5.2                                        b2fe06624e80
  dune.3.22.2                                        57026fcbd9b3
  dune-configurator.3.22.2                           161a83063325
  logs.0.8.0                                         d6fd66beb240
  lwt.5.10.1                                         7693bf5ddcb2
  lwt_ppx.5.9.3                                      dad182b7b6d3
  ocaml.4.12.1                                       40bf037a0516
  ocaml-base-compiler.4.12.1                         e714dfd3f0fe
  ocaml-compiler-libs.v0.12.4                        ddc90c44cd5f
  ocaml-config.2                                     75bd2fc1f23b
  ocamlbuild.0.16.1                                  b436c8ee2909
  ocamlfind.1.9.8                                    9b083cf8a2bb
  ocplib-endian.1.2                                  ab458f7fcf87
  ppx_derivers.1.2.1                                 b6f38d11e4c8
  ppx_deriving.6.1.3                                 6724dee1c530
  ppx_deriving_yojson.3.10.0                         98e285b8688c
  ppxlib.0.38.0                                      e0495a62ca9a
  sexplib0.v0.16.0                                   9c8bfedbabd1
  stdint.0.7.2                                       bdf6aa8d011e
  stdlib-shims.0.3.0                                 562e400ef1cc
  topkg.1.1.1                                        64554df6938c
  uuidm.0.9.8                                        193109214154
  yojson.3.0.0                                       8dfe271635ed
  zarith.1.14                                        137938f33585
  zmq.5.3.0                                          57c79ac78bc8
  zmq-lwt.5.3.0                                      cc9b95bcbbcb
=== STDOUT ===
Processing: [default: loading data]
[jupyter.2.7.5: dl]
[jupyter.2.7.5: extract]
-> retrieved jupyter.2.7.5  (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.2.7.5)
- (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.2.7.5 failed at "dune build -p jupyter -j 39".
build failed... 

=== STDERR ===

2026-09-03 22:36.46: FAILED: build jupyter.2.7.5
2026-09-03 22:36.46: Job failed: build failed: jupyter.2.7.5