Build:
  1. 0
2026-08-05 22:22.10: New job: build jupyter.2.7.6 (6af2aa5d8aaa)
2026-08-05 22:22.10: Waiting for resource in pool day11-builds
2026-08-05 23:22.35: Got resource from pool day11-builds
2026-08-05 23:22.35: [profile full] build jupyter.2.7.6
2026-08-05 23:22.35: build jupyter.2.7.6 (6af2aa5d8aaa)
=== DEPENDENCIES (37 transitive) ===
  base-bytes.base                                    7f2df7685599
  base-threads.base                                  4e0218232a65
  base-unix.base                                     2d2c0bf34146
  base64.3.5.2                                       07d2d6ad573a
  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                                         1f5f99f233ca
  cryptokit.1.21.1                                   69aafc4d1527
  csexp.1.5.2                                        e0b689258d8f
  dune.3.22.2                                        be7d0808d0bb
  dune-configurator.3.22.2                           ed39ce6d328b
  logs.0.8.0                                         64e90655a92a
  lwt.5.10.1                                         bc55cb29f373
  lwt_ppx.5.9.3                                      93aa8e1e85a1
  ocaml.4.13.1                                       55d482fae2dc
  ocaml-base-compiler.4.13.1                         077c58e5f723
  ocaml-compiler-libs.v0.12.4                        72a5c2a0593f
  ocaml-config.2                                     8c0a8e3e4925
  ocamlbuild.0.16.1                                  116cd3e5f42a
  ocamlfind.1.9.8                                    19a3e253ef96
  ocplib-endian.1.2                                  09057e76561d
  ppx_derivers.1.2.1                                 6622b83c2fa7
  ppx_deriving.6.1.3                                 01135a47f816
  ppx_deriving_yojson.3.10.0                         95b424921ffc
  ppxlib.0.38.0                                      937f5a2f0c0d
  sexplib0.v0.16.0                                   c1e8862b3ff4
  stdint.0.7.2                                       b91d9674284a
  stdlib-shims.0.3.0                                 0969784bdd65
  topkg.1.1.1                                        e90f2f220791
  uuidm.0.9.8                                        49fe0381efb9
  yojson.3.0.0                                       12ef6317c323
  zarith.1.14                                        ab364e295f15
  zmq.5.3.0                                          fa2c296202d5
  zmq-lwt.5.3.0                                      5468f77579aa
=== STDOUT ===
Processing: [default: loading data]
[jupyter.2.7.6: dl]
[jupyter.2.7.6: extract]
-> retrieved jupyter.2.7.6  (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.2.7.6)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -w A-4-31-33-34-39-41-42-43-44-45-48-49-50-58 -safe-string -strict-sequence -strict-formats -short-paths -g -bin-annot -I config/.configure.eobjs/byte -I /home/opam/.opam/default/lib/yojson -no-alias-deps -o config/.configure.eobjs/byte/configure.cmo -c -impl config/configure.ml)
- File "config/configure.ml", line 1:
- Warning 70 [missing-mli]: Cannot find interface file.
- (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__AnsiCode.cmo -c -impl jupyter/src/core/ansiCode.pp.ml)
- File "jupyter/src/core/ansiCode.pp.ml", line 1:
- Warning 70 [missing-mli]: Cannot find interface file.
- (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.cmo -c -impl jupyter/src/core/jupyter.pp.ml)
- File "jupyter/src/core/jupyter.pp.ml", line 1:
- Warning 70 [missing-mli]: Cannot find interface file.
- (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
- (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__Version.cmo -c -impl jupyter/src/core/version.pp.ml)
- File "jupyter/src/core/version.pp.ml", line 1:
- Warning 70 [missing-mli]: Cannot find interface file.
- (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__Comm.cmo -c -impl jupyter/src/core/comm.pp.ml)
- File "jupyter/src/core/comm.pp.ml", line 1:
- Warning 70 [missing-mli]: Cannot find interface file.
- (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__Stdin.cmo -c -impl jupyter/src/core/stdin.pp.ml)
- File "jupyter/src/core/stdin.pp.ml", line 1:
- Warning 70 [missing-mli]: Cannot find interface file.
[ERROR] The compilation of jupyter.2.7.6 failed at "dune build -p jupyter -j 39".
build failed... 

=== STDERR ===

2026-08-05 23:22.47: FAILED: build jupyter.2.7.6
2026-08-05 23:22.47: Job failed: build failed: jupyter.2.7.6