Build:
  1. 0
2026-08-06 01:30.22: New job: build vhd-format.0.12.1 (af7560c41a6b)
2026-08-06 01:30.22: Waiting for resource in pool day11-builds
2026-08-06 01:51.31: Got resource from pool day11-builds
2026-08-06 01:51.31: [profile full] build vhd-format.0.12.1
2026-08-06 01:51.31: build vhd-format.0.12.1 (af7560c41a6b)
=== DEPENDENCIES (29 transitive) ===
  base.v0.15.2                                       8007d8cbd2f0
  base-threads.base                                  4e0218232a65
  base-unix.base                                     2d2c0bf34146
  conf-pkg-config.5                                  4a77ab8734e0
  csexp.1.5.2                                        7b59a740d19c
  cstruct.6.2.0                                      7104b98f00bb
  dune.3.24.2                                        3c62ec9db62a
  dune-configurator.3.22.2                           40eff4242369
  fmt.0.11.0                                         33d66e8a76ce
  io-page.3.0.0                                      ef9e68ceed4f
  num.1.6                                            4e2a6be0b2da
  ocaml.4.12.1                                       9ea8a0b5f1ea
  ocaml-base-compiler.4.12.1                         253c210e6b00
  ocaml-compiler-libs.v0.12.4                        cf2e6c507eb3
  ocaml-config.2                                     5bc8fb6424c9
  ocaml-secondary-compiler.4.14.2                    cf006402d8f7
  ocamlbuild.0.16.1                                  8e6ef6320341
  ocamlfind.1.9.6                                    6c3ed7d7e9da
  ocamlfind-secondary.1.9.6                          b96631e6c3bc
  parsexp.v0.15.0                                    58e6d807779d
  ppx_cstruct.6.2.0                                  57c80cd95fc8
  ppx_derivers.1.2.1                                 98fe3c91257a
  ppxlib.0.38.0                                      b69344820852
  rresult.0.7.0                                      bf5930d869fe
  sexplib.v0.15.1                                    023215156992
  sexplib0.v0.15.1                                   a278ecf7c17c
  stdlib-shims.0.3.0                                 4ee6847fad50
  topkg.1.1.1                                        e00af8c1c3e1
  uuidm.0.9.8                                        91e95ecf15ea
=== 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 ===

2026-08-06 01:51.54: FAILED: build vhd-format.0.12.1
2026-08-06 01:51.54: Job failed: build failed: vhd-format.0.12.1