Build:
  1. 0
2026-07-26 14:32.20: New job: build jupyter.2.7.8 (0207c0fa185b)
2026-07-26 14:32.20: Waiting for resource in pool day11-builds
2026-07-26 15:12.27: Got resource from pool day11-builds
2026-07-26 15:12.27: [profile full] build jupyter.2.7.8
2026-07-26 15:12.27: build jupyter.2.7.8 (0207c0fa185b)
=== DEPENDENCIES (37 transitive) ===
  base-bytes.base                                    43395da634d5
  base-threads.base                                  afe16a8e71c3
  base-unix.base                                     73c0a5fdd34a
  base64.3.5.2                                       9ed7d5601c96
  conf-gmp.5                                         be8168159001
  conf-gmp-powm-sec.4                                e21440c8dffb
  conf-pkg-config.5                                  2c611009363a
  conf-zlib.1                                        9b96a8154eb2
  conf-zmq.0.1                                       fc5d77bc2d6d
  cppo.1.8.0                                         1ca75aeba72a
  cryptokit.1.21.1                                   8e0703ac5139
  csexp.1.5.2                                        379d8033f4fd
  dune.3.24.1                                        89b355ad74c7
  dune-configurator.3.24.1                           746f14394bf9
  logs.0.10.0                                        14d8e31d3082
  lwt.6.1.2                                          ac8a1c6b5ab9
  lwt_ppx.6.1.0                                      978a742c6682
  ocaml.4.14.0                                       dfefc0fdeb84
  ocaml-base-compiler.4.14.0                         842122f41d7e
  ocaml-compiler-libs.v0.12.4                        22f4e53b8c2f
  ocaml-config.2                                     187f8ab6fe7d
  ocamlbuild.0.16.1                                  a2e05153ff5d
  ocamlfind.1.9.8                                    8fa9189f9df0
  ocplib-endian.1.2                                  d9275e0c3b88
  ppx_derivers.1.2.1                                 9f665ff06270
  ppx_deriving.6.1.3                                 5b1a41652830
  ppx_deriving_yojson.3.10.0                         441238229609
  ppxlib.0.38.0                                      5e4b6f220169
  sexplib0.v0.17.0                                   c05f9d496574
  stdint.0.7.2                                       027821ed3e01
  stdlib-shims.0.3.0                                 07b15f55a6df
  topkg.1.1.1                                        577f376626ec
  uuidm.0.9.10                                       4b0466695af6
  yojson.3.0.0                                       8c0893e5170a
  zarith.1.14                                        4da484a38808
  zmq.5.3.0                                          25a733b05788
  zmq-lwt.5.3.0                                      a40847eddcd8
=== STDOUT ===
Processing: [default: loading data]
[jupyter.2.7.8: dl]
[jupyter.2.7.8: extract]
-> retrieved jupyter.2.7.8  (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.2.7.8)
- (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/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/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/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/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/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/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.2.7.8 failed at "dune build -p jupyter -j 39".
build failed... 

=== STDERR ===

2026-07-26 15:13.01: FAILED: build jupyter.2.7.8
2026-07-26 15:13.01: Job failed: build failed: jupyter.2.7.8