Build:
  1. 0
2026-06-24 13:54.51: New job: build duff.0.2 (612b4fcaf2ff)
2026-06-24 13:54.51: Waiting for resource in pool day11-builds
2026-06-24 15:59.28: Got resource from pool day11-builds
2026-06-24 15:59.28: [profile full] build duff.0.2
2026-06-24 15:59.28: build duff.0.2 (612b4fcaf2ff)
=== DEPENDENCIES (18 transitive) ===
  astring.0.8.5                                      701daf28e0e4
  base-threads.base                                  c9e7bdbf5823
  base-unix.base                                     7d1428be9ddb
  bigarray-compat.1.1.0                              b77790fdb90b
  bos.0.3.0                                          4f17d6f4b188
  cmdliner.1.0.4                                     88a343e42efa
  cstruct.6.0.1                                      de7e0a366d7e
  dune.3.23.1                                        db6fce3d1d3d
  fmt.0.9.0                                          2c4c46010959
  fpath.0.7.3                                        779c1fa19cd6
  logs.0.7.0                                         7475856355ca
  ocaml.5.0.0                                        bf52e7fc3967
  ocaml-base-compiler.5.0.0                          8a45cc139786
  ocaml-config.3                                     814dad1b05c3
  ocamlbuild.0.16.1                                  75321383b65a
  ocamlfind.1.9.8                                    075d2a928b3c
  rresult.0.7.0                                      58f40526c2ad
  topkg.1.1.1                                        68669f8ef39b
=== 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 -cmi-file lib/.duff.objs/byte/duff.cmi -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 -cmi-file lib/.duff.objs/byte/duff.cmi -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 ===

2026-06-24 15:59.50: OK: build duff.0.2 (runc: 2.6s, disk: 13KB)
2026-06-24 15:59.50: Job succeeded