Build:
  1. 0
2026-09-04 00:35.31: New job: build duff.0.2 (50e34e374fc0)
2026-09-04 00:35.31: Waiting for resource in pool day11-builds
2026-09-04 00:57.08: Got resource from pool day11-builds
2026-09-04 00:57.08: [profile full] build duff.0.2
2026-09-04 00:57.08: build duff.0.2 (50e34e374fc0)
=== DEPENDENCIES (26 transitive) ===
  astring.0.8.5                                      9434604be06d
  base-bytes.base                                    eeeffe7d5f66
  base-threads.base                                  3d2f2cbc6db2
  base-unix.base                                     3a38ddca6b5e
  bigarray-compat.1.1.0                              b54fccc34951
  bos.0.2.1                                          5ed569a9523c
  cmdliner.1.0.4                                     1aa2b2a986ea
  cppo.1.8.0                                         f7872632538d
  csexp.1.5.2                                        0f82e505b19f
  cstruct.6.0.1                                      85a25b7cc8de
  dune.3.24.2                                        07555548a43d
  dune-configurator.3.22.2                           fa3e8c35a3f6
  fmt.0.9.0                                          fc5a443204ac
  fpath.0.7.3                                        4088c616ee11
  logs.0.7.0                                         3128c2e114a4
  lwt.5.10.1                                         6beb63539aa3
  ocaml.4.11.2                                       9044b53bfe17
  ocaml-base-compiler.4.11.2                         d1ed934bdaf0
  ocaml-config.1                                     51b78fd13520
  ocaml-secondary-compiler.4.14.2                    d66c1c5ac958
  ocamlbuild.0.16.1                                  3440315de9e6
  ocamlfind.1.9.6                                    dccd79a91021
  ocamlfind-secondary.1.9.6                          553c1faeba22
  ocplib-endian.1.2                                  7010d73794b3
  rresult.0.7.0                                      629c90e3dfab
  topkg.1.1.1                                        c347b4036dc6
=== STDOUT ===
Processing: [default: loading data]
[duff.0.2: dl]
[duff.0.2: extract]
-> retrieved duff.0.2  (https://opam.ocaml.org/cache)
[duff: dune subst]
+ /home/opam/.opam/default/bin/dune "subst" (CWD=/home/opam/.opam/default/.opam-switch/build/duff.0.2)
[duff: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "duff" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/duff.0.2)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -I lib/.duff.objs/byte -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/fmt -intf-suffix .ml -no-alias-deps -o lib/.duff.objs/byte/duff.cmo -c -impl lib/duff.ml)
- File "lib/duff.ml", line 220, characters 9-20:
- 220 |     3 + (Cstruct.len buff + 1) + 1 + (Array.fold_left (fun acc x -> List.length x * 4 + 1 + acc) 1 hash)
-                ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 231, characters 16-27:
- 231 |       then min (Cstruct.len buf) 0xFFFFFFFE
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 232, characters 16-27:
- 232 |       else min (Cstruct.len buf) max_int in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 252, characters 43-54:
- 252 |       let hash = Hash.hash buf (!idx + 1) (Cstruct.len buf) in
-                                                  ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 394, characters 16-27:
- 394 |       let len = Cstruct.len buf in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 404, characters 12-23:
- 404 |   let len = Cstruct.len c in
-                   ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 430, characters 16-27:
- 430 |   let src_len = Cstruct.len src in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 431, characters 16-27:
- 431 |   let dst_len = Cstruct.len dst in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 531, characters 63-74:
- 531 |            Index.Hash.hash buf (offset + copy_len - V.window) (Cstruct.len buf))
-                                                                      ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 535, characters 38-49:
- 535 |     let hash = Index.Hash.hash buf 0 (Cstruct.len buf) in
-                                             ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 536, characters 33-44:
- 536 |     let consumed = min V.window (Cstruct.len buf) in
-                                        ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib/.duff.objs/byte -I lib/.duff.objs/native -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/fmt -intf-suffix .ml -no-alias-deps -o lib/.duff.objs/native/duff.cmx -c -impl lib/duff.ml)
- File "lib/duff.ml", line 220, characters 9-20:
- 220 |     3 + (Cstruct.len buff + 1) + 1 + (Array.fold_left (fun acc x -> List.length x * 4 + 1 + acc) 1 hash)
-                ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 231, characters 16-27:
- 231 |       then min (Cstruct.len buf) 0xFFFFFFFE
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 232, characters 16-27:
- 232 |       else min (Cstruct.len buf) max_int in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 252, characters 43-54:
- 252 |       let hash = Hash.hash buf (!idx + 1) (Cstruct.len buf) in
-                                                  ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 394, characters 16-27:
- 394 |       let len = Cstruct.len buf in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 404, characters 12-23:
- 404 |   let len = Cstruct.len c in
-                   ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 430, characters 16-27:
- 430 |   let src_len = Cstruct.len src in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 431, characters 16-27:
- 431 |   let dst_len = Cstruct.len dst in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 531, characters 63-74:
- 531 |            Index.Hash.hash buf (offset + copy_len - V.window) (Cstruct.len buf))
-                                                                      ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 535, characters 38-49:
- 535 |     let hash = Index.Hash.hash buf 0 (Cstruct.len buf) in
-                                             ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- File "lib/duff.ml", line 536, characters 33-44:
- 536 |     let consumed = min V.window (Cstruct.len buf) in
-                                        ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
-> compiled  duff.0.2
-> installed duff.0.2

=== STDERR ===

2026-09-04 00:57.19: OK: build duff.0.2 (runc: 2.7s, disk: 14KB)
2026-09-04 00:57.19: Job succeeded