Build:
  1. 0
2026-07-10 02:16.14: New job: build jupyter.2.7.2 (4a251af8eebf)
2026-07-10 02:16.14: Waiting for resource in pool day11-builds
2026-07-10 03:00.12: Got resource from pool day11-builds
2026-07-10 03:00.12: [profile full] build jupyter.2.7.2
2026-07-10 03:00.12: build jupyter.2.7.2 (4a251af8eebf)
=== DEPENDENCIES (37 transitive) ===
  base-bytes.base                                    4227b7ea5674
  base-threads.base                                  44df48f3da5c
  base-unix.base                                     4103cdc1c2b0
  base64.3.5.2                                       6cc533de96f8
  conf-gmp.5                                         28650a0c2a50
  conf-gmp-powm-sec.4                                d5e8d54cb0d9
  conf-pkg-config.5                                  f20b8fd18442
  conf-zlib.1                                        22029c4a9272
  conf-zmq.0.1                                       0ef8cf869949
  cppo.1.8.0                                         be47a77c9a2c
  cryptokit.1.20                                     03646d0387e8
  csexp.1.5.2                                        a938c36c0e07
  dune.3.22.2                                        fa12b4e25ffc
  dune-configurator.3.22.2                           2e91107db2bd
  logs.0.8.0                                         34db8423f1a6
  lwt.5.10.1                                         c65ad263c9f7
  lwt_ppx.5.9.3                                      327b90f46c9e
  ocaml.4.11.2                                       be45f0ba56b5
  ocaml-base-compiler.4.11.2                         a7c945f6d69b
  ocaml-compiler-libs.v0.12.4                        b837395d910e
  ocaml-config.1                                     15b59377a07b
  ocamlbuild.0.16.1                                  cfcbcf7f5d6c
  ocamlfind.1.9.8                                    8125d628083d
  ocplib-endian.1.2                                  16996599c486
  ppx_derivers.1.2.1                                 024eb5feb730
  ppx_deriving.6.1.2                                 e9d787105d3b
  ppx_deriving_yojson.3.10.0                         d5deb2ac32aa
  ppxlib.0.38.0                                      b8ee47226dfc
  sexplib0.v0.16.0                                   d16e9f965126
  stdint.0.7.2                                       05d89d724082
  stdlib-shims.0.3.0                                 4367952450c7
  topkg.1.1.1                                        a59fa1b1e5f4
  uuidm.0.9.8                                        fd9f77fb6cfb
  yojson.3.0.0                                       8050b3c667a1
  zarith.1.14                                        6feb79da6176
  zmq.5.3.0                                          6b929c85cc2e
  zmq-lwt.5.3.0                                      6c048840a902
=== 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 ===

2026-07-10 03:00.29: FAILED: build jupyter.2.7.2
2026-07-10 03:00.29: Job failed: build failed: jupyter.2.7.2