2026-09-03 22:09.32: New job: build jupyter.2.7.2 (a72dc10aa83f)
2026-09-03 22:09.32: Waiting for resource in pool day11-builds
2026-09-03 22:57.02: Got resource from pool day11-builds
2026-09-03 22:57.02: [profile full] build jupyter.2.7.2
2026-09-03 22:57.02: build jupyter.2.7.2 (a72dc10aa83f)
=== DEPENDENCIES (37 transitive) ===
  base-bytes.base                                    f1ce9672d75a
  base-threads.base                                  3d2f2cbc6db2
  base-unix.base                                     3a38ddca6b5e
  base64.3.5.2                                       7788db7afa61
  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                                         3d1457d519b3
  cryptokit.1.20                                     63410f2406ad
  csexp.1.5.2                                        67f9dc836ab0
  dune.3.22.2                                        7240d0a5a88c
  dune-configurator.3.22.2                           7fb534e4fa20
  logs.0.8.0                                         a9e6a260b74f
  lwt.5.10.1                                         ebbad54fa993
  lwt_ppx.5.9.3                                      0a7b060f8f44
  ocaml.4.11.2                                       9044b53bfe17
  ocaml-base-compiler.4.11.2                         d1ed934bdaf0
  ocaml-compiler-libs.v0.12.4                        12b80e18d166
  ocaml-config.1                                     51b78fd13520
  ocamlbuild.0.16.1                                  3440315de9e6
  ocamlfind.1.9.8                                    67e30f343c55
  ocplib-endian.1.2                                  1c8a072bc3ea
  ppx_derivers.1.2.1                                 5e14508e2da5
  ppx_deriving.6.1.3                                 fff83108ae6b
  ppx_deriving_yojson.3.10.0                         a00792718fd0
  ppxlib.0.38.0                                      9826f940eb15
  sexplib0.v0.16.0                                   d9d854ab0cf4
  stdint.0.7.2                                       480a49816b79
  stdlib-shims.0.3.0                                 661af116ed86
  topkg.1.1.1                                        a4210ea8e9ab
  uuidm.0.9.8                                        c257cf57f5ce
  yojson.3.0.0                                       067bffef2403
  zarith.1.14                                        8f45e1cc602f
  zmq.5.3.0                                          e8a200503a2b
  zmq-lwt.5.3.0                                      65947a0b6e5a
=== 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 ===

2026-09-03 22:57.15: FAILED: build jupyter.2.7.2
2026-09-03 22:57.15: Job failed: build failed: jupyter.2.7.2