Build:
  1. 0
2026-06-24 15:54.44: New job: build jupyter.2.7.6 (d6f5ebcfd601)
2026-06-24 15:54.44: Waiting for resource in pool day11-builds
2026-06-24 16:53.44: Got resource from pool day11-builds
2026-06-24 16:53.44: [profile full] build jupyter.2.7.6
2026-06-24 16:53.44: build jupyter.2.7.6 (d6f5ebcfd601)
=== DEPENDENCIES (37 transitive) ===
  base-bytes.base                                    cd0282947b56
  base-threads.base                                  c9e7bdbf5823
  base-unix.base                                     7d1428be9ddb
  base64.3.5.2                                       f80529e45b30
  conf-gmp.5                                         be11edf77089
  conf-gmp-powm-sec.4                                7029468462a8
  conf-pkg-config.5                                  d5de2c6a88f9
  conf-zlib.1                                        5297f1b9477f
  conf-zmq.0.1                                       a8f950327ee3
  cppo.1.8.0                                         239ee853665b
  cryptokit.1.21.1                                   d955745bb9b9
  csexp.1.5.2                                        f01cefae2455
  dune.3.22.2                                        461584a38e44
  dune-configurator.3.22.2                           c9ad4e244a63
  logs.0.8.0                                         bfccc0f75277
  lwt.5.10.0                                         4d964404bf1e
  lwt_ppx.5.9.3                                      cad1168bd464
  ocaml.4.13.1                                       7bcd41fca40b
  ocaml-base-compiler.4.13.1                         ca45a5cca9d8
  ocaml-compiler-libs.v0.12.4                        6197a815a9ba
  ocaml-config.2                                     c716fa3c25ed
  ocamlbuild.0.16.1                                  c713875c7e08
  ocamlfind.1.9.8                                    3aa7612f0e8f
  ocplib-endian.1.2                                  35c73b24d2b5
  ppx_derivers.1.2.1                                 7fec7a9b8a13
  ppx_deriving.6.1.1                                 a4fec748c58f
  ppx_deriving_yojson.3.10.0                         8fb868e94e47
  ppxlib.0.38.0                                      e7e1d8cb488e
  sexplib0.v0.16.0                                   bb9794483535
  stdint.0.7.2                                       e97221b09037
  stdlib-shims.0.3.0                                 e296e0109c7b
  topkg.1.1.1                                        4b02c8c14620
  uuidm.0.9.8                                        1b24c206b290
  yojson.3.0.0                                       da85231fb7d7
  zarith.1.14                                        19418583282c
  zmq.5.3.0                                          9fad4527ac28
  zmq-lwt.5.3.0                                      6c206b519de6
=== 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__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.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__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.
- (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__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__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.
build failed... 
[ERROR] The compilation of jupyter.2.7.6 failed at "dune build -p jupyter -j 39".

=== STDERR ===

2026-06-24 16:54.28: FAILED: build jupyter.2.7.6
2026-06-24 16:54.28: Job failed: build failed: jupyter.2.7.6