2026-06-16 18:06.38: New job: build vhd-format.0.12.1 (34bdf53fa430)
2026-06-16 18:06.38: Waiting for resource in pool day11-builds
2026-06-16 18:29.23: Got resource from pool day11-builds
2026-06-16 18:29.23: [profile full] build vhd-format.0.12.1
2026-06-16 18:29.23: build vhd-format.0.12.1 (34bdf53fa430)
=== DEPENDENCIES (29 transitive) ===
  base.v0.15.2                                       adb647dc8272
  base-threads.base                                  b7164ff76afe
  base-unix.base                                     839dc585f12d
  conf-pkg-config.5                                  64c6b37d622b
  csexp.1.5.2                                        2dc1d42cb195
  cstruct.6.2.0                                      9d9d1f47f72d
  dune.3.23.1                                        6e9c895d33c4
  dune-configurator.3.22.2                           b3ee8ff25f05
  fmt.0.11.0                                         d4154318e63f
  io-page.3.0.0                                      f4d21c6806a3
  num.1.6                                            6107ad20ded4
  ocaml.4.12.1                                       b220906b3826
  ocaml-base-compiler.4.12.1                         ce8680725b32
  ocaml-compiler-libs.v0.12.4                        692cac4e32e0
  ocaml-config.2                                     3a99bd9dbb34
  ocaml-secondary-compiler.4.14.2                    208983c0e1e0
  ocamlbuild.0.16.1                                  0aed2948eb5f
  ocamlfind.1.9.6                                    6a204c1e4cf6
  ocamlfind-secondary.1.9.6                          74c288ceaf87
  parsexp.v0.15.0                                    dbb213be442b
  ppx_cstruct.6.2.0                                  dc38b91b9697
  ppx_derivers.1.2.1                                 8e0bcbefff24
  ppxlib.0.38.0                                      bee44c5b61f9
  rresult.0.7.0                                      3641f379db86
  sexplib.v0.15.1                                    2fc147651996
  sexplib0.v0.15.1                                   6f4e128f609c
  stdlib-shims.0.3.0                                 73378b8dd48d
  topkg.1.1.1                                        38d1e7a378f4
  uuidm.0.9.8                                        c7c5a4c743c6
=== STDOUT ===
Processing: [default: loading data]
[vhd-format.0.12.1: dl]
[vhd-format.0.12.1: extract]
-> retrieved vhd-format.0.12.1  (https://opam.ocaml.org/cache)
[vhd-format: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "vhd-format" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/vhd-format.0.12.1)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -w -32-34-37 -g -bin-annot -I vhd_format/.vhd_format.objs/byte -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/uuidm -intf-suffix .ml -no-alias-deps -open Vhd_format -o vhd_format/.vhd_format.objs/byte/vhd_format__Element.cmo -c -impl vhd_format/element.pp.ml)
- File "vhd_format/element.ml", line 30, characters 7-18:
- 30 |     if Cstruct.len x = sector_size
-             ^^^^^^^^^^^
- Error: Unbound value Cstruct.len
- Hint: Did you mean lenv?
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -w -32-34-37 -g -I vhd_format/.vhd_format.objs/byte -I vhd_format/.vhd_format.objs/native -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/uuidm -intf-suffix .ml -no-alias-deps -open Vhd_format -o vhd_format/.vhd_format.objs/native/vhd_format__Element.cmx -c -impl vhd_format/element.pp.ml)
- File "vhd_format/element.ml", line 30, characters 7-18:
- 30 |     if Cstruct.len x = sector_size
-             ^^^^^^^^^^^
- Error: Unbound value Cstruct.len
- Hint: Did you mean lenv?
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -w -32-34-37 -g -bin-annot -I vhd_format/.vhd_format.objs/byte -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/uuidm -intf-suffix .ml -no-alias-deps -open Vhd_format -o vhd_format/.vhd_format.objs/byte/vhd_format__F.cmo -c -impl vhd_format/f.pp.ml)
- File "vhd_format/f.ml", line 26, characters 19-30:
- 26 |       for i = 0 to Cstruct.len a - 1 do
-                         ^^^^^^^^^^^
- Error: Unbound value Cstruct.len
- Hint: Did you mean lenv?
[ERROR] The compilation of vhd-format.0.12.1 failed at "dune build -p vhd-format -j 39".
build failed... 

=== STDERR ===

2026-06-16 18:29.44: FAILED: build vhd-format.0.12.1
2026-06-16 18:29.44: Job failed: build failed: vhd-format.0.12.1