Build:
  1. 0
2026-09-03 23:35.24: New job: build fat-filesystem.0.13.0 (e3b483d009ad)
2026-09-03 23:35.24: Waiting for resource in pool day11-builds
2026-09-04 00:32.45: Got resource from pool day11-builds
2026-09-04 00:32.45: [profile full] build fat-filesystem.0.13.0
2026-09-04 00:32.45: build fat-filesystem.0.13.0 (e3b483d009ad)
=== DEPENDENCIES (50 transitive) ===
  angstrom.0.16.1                                    e7a677ecbad7
  astring.0.8.5                                      632949034a64
  base-bytes.base                                    68d84c459288
  base-threads.base                                  3d2f2cbc6db2
  base-unix.base                                     3a38ddca6b5e
  bigarray-compat.1.1.0                              3f4e163c0195
  bigstringaf.0.10.0                                 81ac91c311f3
  cmdliner.1.3.0                                     50421b7f7592
  conf-pkg-config.5                                  74f50f3cfe72
  cppo.1.8.0                                         8b34f9718c9c
  csexp.1.5.2                                        c758d7657e5b
  cstruct.6.0.0                                      bb1ce7b88125
  cstruct-lwt.6.0.0                                  edd24c65dd7c
  dune.3.24.2                                        bf83cdf0a904
  dune-configurator.3.24.2                           23afe5cb4d3b
  fmt.0.11.0                                         90404cf711de
  io-page.2.4.0                                      1e73a9b9a351
  io-page-unix.2.1.0                                 973b12b60b6a
  logs.0.10.0                                        382bc1d4cc70
  lwt.6.1.2                                          3072189ea5c2
  mirage-block.1.2.0                                 e205b5c80f9d
  mirage-block-lwt.1.2.0                             4589206d898f
  mirage-block-unix.2.11.2                           3322912ba7cf
  mirage-device.1.2.0                                95e21e0d5350
  mirage-fs.2.0.0                                    d85490a67d31
  mirage-fs-lwt.2.0.0                                1d11a2f06287
  mirage-kv.2.0.0                                    f6cebf9e2e03
  mirage-kv-lwt.2.0.0                                258ded22e5a5
  num.1.6                                            fe036226102b
  ocaml.4.14.4                                       c7d6265b51fe
  ocaml-base-compiler.4.14.4                         7a409b6ffbef
  ocaml-compiler-libs.v0.12.4                        0a923ba812db
  ocaml-config.2                                     85edea6ac168
  ocaml-syntax-shims.1.0.0                           dd7617b68ec9
  ocamlbuild.0.16.1                                  5ae5ab4d19bf
  ocamlfind.1.9.8                                    3cae95bed0a0
  ocplib-endian.1.2                                  a626410be6a1
  parsexp.v0.16.0                                    6a4dbf4d3d29
  ppx_cstruct.6.0.0                                  895933bf47c2
  ppx_derivers.1.2.1                                 e8685a77fc9e
  ppxlib.0.38.0                                      2b1394b10162
  re.1.14.0                                          dd879e7a18b1
  result.1.5                                         24fb8ad48a1d
  rresult.0.7.0                                      e91945a392c9
  sexplib.v0.16.0                                    f65b5dccd754
  sexplib0.v0.16.0                                   a69f43de36f7
  stdlib-shims.0.3.0                                 484c72a128b6
  stringext.1.6.0                                    9520d67485ad
  topkg.1.1.1                                        f1122af0988e
  uri.4.4.0                                          7c67c85f3177
=== STDOUT ===
Processing: [default: loading data]
[fat-filesystem.0.13.0: dl]
[fat-filesystem.0.13.0: extract]
-> retrieved fat-filesystem.0.13.0  (https://opam.ocaml.org/cache)
[fat-filesystem: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "fat-filesystem" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/fat-filesystem.0.13.0)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -I src/.fat_filesystem.objs/byte -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/mirage-block -I /home/opam/.opam/default/lib/mirage-block-lwt -I /home/opam/.opam/default/lib/mirage-device -I /home/opam/.opam/default/lib/mirage-fs -I /home/opam/.opam/default/lib/mirage-fs-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/re -I /home/opam/.opam/default/lib/re/str -I /home/opam/.opam/default/lib/result -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/stdlib-shims -intf-suffix .ml -no-alias-deps -o src/.fat_filesystem.objs/byte/fat_fs.cmo -c -impl src/fat_fs.pp.ml)
- File "src/fat_fs.ml", line 166, characters 8-17:
- 166 |         Fmt.kstrf Lwt.fail_with
-               ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- File "src/fat_fs.ml", line 171, characters 10-19:
- 171 |           Fmt.kstrf Lwt.fail_with
-                 ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- File "src/fat_fs.ml", line 191, characters 6-15:
- 191 |       Fmt.kstrf Lwt.fail_with "error reading essential sectors: %a" pp_error e
-             ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -I bin/.main.eobjs/byte -I /home/opam/.opam/default/lib/angstrom -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/cmdliner -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/cstruct-lwt -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/io-page-unix -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/lwt/unix -I /home/opam/.opam/default/lib/mirage-block -I /home/opam/.opam/default/lib/mirage-block-lwt -I /home/opam/.opam/default/lib/mirage-block-unix -I /home/opam/.opam/default/lib/mirage-device -I /home/opam/.opam/default/lib/mirage-fs -I /home/opam/.opam/default/lib/mirage-fs-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocplib-endian -I /home/opam/.opam/default/lib/ocplib-endian/bigstring -I /home/opam/.opam/default/lib/re -I /home/opam/.opam/default/lib/re/str -I /home/opam/.opam/default/lib/result -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/stdlib-shims -I /home/opam/.opam/default/lib/stringext -I /home/opam/.opam/default/lib/uri -I src/.fat_filesystem.objs/byte -no-alias-deps -o bin/.main.eobjs/byte/impl.cmo -c -impl bin/impl.ml)
- File "bin/impl.ml", line 26, characters 15-24:
- 26 | let fail fmt = Fmt.kstrf Lwt.fail_with fmt
-                     ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -I bin/.main.eobjs/byte -I /home/opam/.opam/default/lib/angstrom -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/cmdliner -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/cstruct-lwt -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/io-page-unix -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/lwt/unix -I /home/opam/.opam/default/lib/mirage-block -I /home/opam/.opam/default/lib/mirage-block-lwt -I /home/opam/.opam/default/lib/mirage-block-unix -I /home/opam/.opam/default/lib/mirage-device -I /home/opam/.opam/default/lib/mirage-fs -I /home/opam/.opam/default/lib/mirage-fs-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocplib-endian -I /home/opam/.opam/default/lib/ocplib-endian/bigstring -I /home/opam/.opam/default/lib/re -I /home/opam/.opam/default/lib/re/str -I /home/opam/.opam/default/lib/result -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/stdlib-shims -I /home/opam/.opam/default/lib/stringext -I /home/opam/.opam/default/lib/uri -I src/.fat_filesystem.objs/byte -no-alias-deps -o bin/.main.eobjs/byte/main.cmo -c -impl bin/main.ml)
- File "bin/main.ml", line 45, characters 8-12:
- 45 |   Term.(pure Common.make $ debug $ verb $ unbuffered)
-              ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 68, characters 12-16:
- 68 |   Term.(ret(pure Impl.create $ common_options_t $ filename $ size)),
-                  ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 69, characters 2-11:
- 69 |   Term.info "create" ~sdocs:_common_options ~doc ~man
-        ^^^^^^^^^
- Alert deprecated: Cmdliner.Term.info
- Use Cmd.info instead.
- File "bin/main.ml", line 78, characters 12-16:
- 78 |   Term.(ret(pure Impl.add $ common_options_t $ filename $ files)),
-                  ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 79, characters 2-11:
- 79 |   Term.info "add" ~sdocs:_common_options ~doc ~man
-        ^^^^^^^^^
- Alert deprecated: Cmdliner.Term.info
- Use Cmd.info instead.
- File "bin/main.ml", line 87, characters 12-16:
- 87 |   Term.(ret(pure Impl.list $ common_options_t $ filename)),
-                  ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 88, characters 2-11:
- 88 |   Term.info "list" ~sdocs:_common_options ~doc ~man
-        ^^^^^^^^^
- Alert deprecated: Cmdliner.Term.info
- Use Cmd.info instead.
- File "bin/main.ml", line 96, characters 12-16:
- 96 |   Term.(ret(pure Impl.cat $ common_options_t $ filename $ path)),
-                  ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 97, characters 2-11:
- 97 |   Term.info "cat" ~sdocs:_common_options ~doc ~man
-        ^^^^^^^^^
- Alert deprecated: Cmdliner.Term.info
- Use Cmd.info instead.
- File "bin/main.ml", line 102, characters 13-17:
- 102 |   Term.(ret (pure (fun _ -> `Help (`Pager, None)) $ common_options_t)),
-                    ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 103, characters 2-11:
- 103 |   Term.info "fat" ~version:"1.0.0" ~sdocs:_common_options ~doc ~man
-         ^^^^^^^^^
- Alert deprecated: Cmdliner.Term.info
- Use Cmd.info instead.
- File "bin/main.ml", line 108, characters 8-24:
- 108 |   match Term.eval_choice default_cmd cmds with
-               ^^^^^^^^^^^^^^^^
- Alert deprecated: Cmdliner.Term.eval_choice
- Use Cmd.group and one of Cmd.eval* instead.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I src/.fat_filesystem.objs/byte -I src/.fat_filesystem.objs/native -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/mirage-block -I /home/opam/.opam/default/lib/mirage-block-lwt -I /home/opam/.opam/default/lib/mirage-device -I /home/opam/.opam/default/lib/mirage-fs -I /home/opam/.opam/default/lib/mirage-fs-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/re -I /home/opam/.opam/default/lib/re/str -I /home/opam/.opam/default/lib/result -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/stdlib-shims -intf-suffix .ml -no-alias-deps -o src/.fat_filesystem.objs/native/fat_fs.cmx -c -impl src/fat_fs.pp.ml)
- File "src/fat_fs.ml", line 166, characters 8-17:
- 166 |         Fmt.kstrf Lwt.fail_with
-               ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- File "src/fat_fs.ml", line 171, characters 10-19:
- 171 |           Fmt.kstrf Lwt.fail_with
-                 ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- File "src/fat_fs.ml", line 191, characters 6-15:
- 191 |       Fmt.kstrf Lwt.fail_with "error reading essential sectors: %a" pp_error e
-             ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I bin/.main.eobjs/byte -I bin/.main.eobjs/native -I /home/opam/.opam/default/lib/angstrom -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/cmdliner -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/cstruct-lwt -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/io-page-unix -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/lwt/unix -I /home/opam/.opam/default/lib/mirage-block -I /home/opam/.opam/default/lib/mirage-block-lwt -I /home/opam/.opam/default/lib/mirage-block-unix -I /home/opam/.opam/default/lib/mirage-device -I /home/opam/.opam/default/lib/mirage-fs -I /home/opam/.opam/default/lib/mirage-fs-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocplib-endian -I /home/opam/.opam/default/lib/ocplib-endian/bigstring -I /home/opam/.opam/default/lib/re -I /home/opam/.opam/default/lib/re/str -I /home/opam/.opam/default/lib/result -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/stdlib-shims -I /home/opam/.opam/default/lib/stringext -I /home/opam/.opam/default/lib/uri -I src/.fat_filesystem.objs/byte -I src/.fat_filesystem.objs/native -intf-suffix .ml -no-alias-deps -o bin/.main.eobjs/native/impl.cmx -c -impl bin/impl.ml)
- File "bin/impl.ml", line 26, characters 15-24:
- 26 | let fail fmt = Fmt.kstrf Lwt.fail_with fmt
-                     ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I bin/.main.eobjs/byte -I bin/.main.eobjs/native -I /home/opam/.opam/default/lib/angstrom -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/cmdliner -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/cstruct-lwt -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/io-page-unix -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/lwt/unix -I /home/opam/.opam/default/lib/mirage-block -I /home/opam/.opam/default/lib/mirage-block-lwt -I /home/opam/.opam/default/lib/mirage-block-unix -I /home/opam/.opam/default/lib/mirage-device -I /home/opam/.opam/default/lib/mirage-fs -I /home/opam/.opam/default/lib/mirage-fs-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocplib-endian -I /home/opam/.opam/default/lib/ocplib-endian/bigstring -I /home/opam/.opam/default/lib/re -I /home/opam/.opam/default/lib/re/str -I /home/opam/.opam/default/lib/result -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/stdlib-shims -I /home/opam/.opam/default/lib/stringext -I /home/opam/.opam/default/lib/uri -I src/.fat_filesystem.objs/byte -I src/.fat_filesystem.objs/native -intf-suffix .ml -no-alias-deps -o bin/.main.eobjs/native/main.cmx -c -impl bin/main.ml)
- File "bin/main.ml", line 45, characters 8-12:
- 45 |   Term.(pure Common.make $ debug $ verb $ unbuffered)
-              ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 68, characters 12-16:
- 68 |   Term.(ret(pure Impl.create $ common_options_t $ filename $ size)),
-                  ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 69, characters 2-11:
- 69 |   Term.info "create" ~sdocs:_common_options ~doc ~man
-        ^^^^^^^^^
- Alert deprecated: Cmdliner.Term.info
- Use Cmd.info instead.
- File "bin/main.ml", line 78, characters 12-16:
- 78 |   Term.(ret(pure Impl.add $ common_options_t $ filename $ files)),
-                  ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 79, characters 2-11:
- 79 |   Term.info "add" ~sdocs:_common_options ~doc ~man
-        ^^^^^^^^^
- Alert deprecated: Cmdliner.Term.info
- Use Cmd.info instead.
- File "bin/main.ml", line 87, characters 12-16:
- 87 |   Term.(ret(pure Impl.list $ common_options_t $ filename)),
-                  ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 88, characters 2-11:
- 88 |   Term.info "list" ~sdocs:_common_options ~doc ~man
-        ^^^^^^^^^
- Alert deprecated: Cmdliner.Term.info
- Use Cmd.info instead.
- File "bin/main.ml", line 96, characters 12-16:
- 96 |   Term.(ret(pure Impl.cat $ common_options_t $ filename $ path)),
-                  ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 97, characters 2-11:
- 97 |   Term.info "cat" ~sdocs:_common_options ~doc ~man
-        ^^^^^^^^^
- Alert deprecated: Cmdliner.Term.info
- Use Cmd.info instead.
- File "bin/main.ml", line 102, characters 13-17:
- 102 |   Term.(ret (pure (fun _ -> `Help (`Pager, None)) $ common_options_t)),
-                    ^^^^
- Alert deprecated: Cmdliner.Term.pure
- Use Term.const instead.
- File "bin/main.ml", line 103, characters 2-11:
- 103 |   Term.info "fat" ~version:"1.0.0" ~sdocs:_common_options ~doc ~man
-         ^^^^^^^^^
- Alert deprecated: Cmdliner.Term.info
- Use Cmd.info instead.
- File "bin/main.ml", line 108, characters 8-24:
- 108 |   match Term.eval_choice default_cmd cmds with
-               ^^^^^^^^^^^^^^^^
- Alert deprecated: Cmdliner.Term.eval_choice
- Use Cmd.group and one of Cmd.eval* instead.
-> compiled  fat-filesystem.0.13.0
-> installed fat-filesystem.0.13.0

=== STDERR ===

2026-09-04 00:33.07: OK: build fat-filesystem.0.13.0 (runc: 6.1s, disk: 26KB)
2026-09-04 00:33.07: Job succeeded