Build:
  1. 0
2026-07-23 19:40.20: New job: build fat-filesystem.0.12.3 (5f4efa4a57c8)
2026-07-23 19:40.20: Waiting for resource in pool day11-builds
2026-07-23 20:26.30: Got resource from pool day11-builds
2026-07-23 20:26.30: [profile full] build fat-filesystem.0.12.3
2026-07-23 20:26.31: build fat-filesystem.0.12.3 (5f4efa4a57c8)
=== DEPENDENCIES (54 transitive) ===
  angstrom.0.16.1                                    c21092b15ab8
  astring.0.8.5                                      7f8c700ec89c
  base-bytes.base                                    64d4aa996d68
  base-threads.base                                  afe16a8e71c3
  base-unix.base                                     73c0a5fdd34a
  bigarray-compat.1.1.0                              855dfe0529a4
  bigstringaf.0.10.0                                 ed4967c286b1
  cmdliner.2.1.1                                     9f0e8344e5f0
  conf-pkg-config.5                                  2c611009363a
  cppo.1.8.0                                         f8488db0375f
  csexp.1.5.2                                        2950daf4914a
  cstruct.3.6.0                                      a1cc2189391f
  cstruct-lwt.3.7.0                                  31f74e4f5c74
  dune.3.24.1                                        0a92e2592b32
  dune-configurator.3.22.2                           bfd73dfd964b
  fmt.0.11.0                                         642b6d11b8ef
  io-page.2.4.0                                      547c960bcec9
  io-page-unix.2.1.0                                 408097899841
  jbuilder.1.0+beta20.2                              bbdfa56b794c
  logs.0.8.0                                         fb37bb8f28b8
  lwt.5.10.1                                         7f91586bafe2
  mirage-block.1.2.0                                 df4a27e03eb9
  mirage-block-lwt.1.2.0                             36114868acbf
  mirage-block-unix.2.11.2                           e1269aba6207
  mirage-device.1.2.0                                f5c33eac3f3a
  mirage-fs.2.0.0                                    243ac7dec09a
  mirage-fs-lwt.2.0.0                                80e598557190
  mirage-kv.2.0.0                                    e9fc1cae6c82
  mirage-kv-lwt.2.0.0                                afb965145845
  num.1.6                                            8eed150659f2
  ocaml.4.12.1                                       2e208a8b534b
  ocaml-base-compiler.4.12.1                         59bab1e31391
  ocaml-config.2                                     3bbb540b53a1
  ocaml-migrate-parsetree.1.8.0                      f6769ffe06e9
  ocaml-secondary-compiler.4.14.2                    576aeb230977
  ocaml-syntax-shims.1.0.0                           e3ad047e69d8
  ocamlbuild.0.16.1                                  b795277b77b8
  ocamlfind.1.9.6                                    b41952648e60
  ocamlfind-secondary.1.9.6                          fa694827f6f0
  ocplib-endian.1.2                                  3fea4ac22477
  parsexp.v0.11.0                                    463e6240f701
  ppx_cstruct.3.6.0                                  ad7f5f295b37
  ppx_derivers.1.2.1                                 726f0f4f2437
  ppx_tools.6.6                                      1df969ca4a7c
  ppx_tools_versioned.5.4.0                          2ca350d6ad5f
  re.1.12.0                                          1fea8a28146e
  result.1.5                                         3a83061a764a
  rresult.0.7.0                                      967be48c1766
  seq.base                                           64d004e70ea6
  sexplib.v0.11.0                                    30d01e37e458
  sexplib0.v0.11.0                                   b2a8e51500be
  stringext.1.6.0                                    118533576f36
  topkg.1.1.1                                        52e967aad5ef
  uri.4.4.0                                          4ef7ef503cd4
=== STDOUT ===
Processing: [default: loading data]
[fat-filesystem.0.12.3: dl]
[fat-filesystem.0.12.3: extract]
-> retrieved fat-filesystem.0.12.3  (https://opam.ocaml.org/cache)
[fat-filesystem: jbuilder build]
+ /home/opam/.opam/default/bin/jbuilder "build" "-p" "fat-filesystem" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/fat-filesystem.0.12.3)
-       ocamlc bin/.main.eobjs/impl.{cmi,cmo,cmt}
- File "bin/impl.ml", line 27, characters 15-24:
- 27 | let fail fmt = Fmt.kstrf Lwt.fail_with fmt
-                     ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
-       ocamlc bin/.main.eobjs/main.{cmi,cmo,cmt} (exit 2)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -I bin/.main.eobjs -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/parsexp -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/seq -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -I /home/opam/.opam/default/lib/stringext -I /home/opam/.opam/default/lib/uri -I src/.fat_filesystem.objs -no-alias-deps -o bin/.main.eobjs/main.cmo -c -impl bin/main.ml)
- File "bin/main.ml", line 45, characters 8-12:
- 45 |   Term.(pure Common.make $ debug $ verb $ unbuffered)
-              ^^^^
- Error: Unbound value pure
-       ocamlc src/.fat_filesystem.objs/fat_fs.{cmo,cmt}
- File "src/fat_fs.ml", line 167, characters 8-17:
- 167 |         Fmt.kstrf Lwt.fail_with
-               ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- File "src/fat_fs.ml", line 172, characters 10-19:
- 172 |           Fmt.kstrf Lwt.fail_with
-                 ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- File "src/fat_fs.ml", line 192, characters 6-15:
- 192 |       Fmt.kstrf Lwt.fail_with "error reading essential sectors: %a" pp_error e
-             ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
-     ocamlopt src/.fat_filesystem.objs/fat_fs.{cmx,o}
- File "src/fat_fs.ml", line 167, characters 8-17:
- 167 |         Fmt.kstrf Lwt.fail_with
-               ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- File "src/fat_fs.ml", line 172, characters 10-19:
- 172 |           Fmt.kstrf Lwt.fail_with
-                 ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- File "src/fat_fs.ml", line 192, characters 6-15:
- 192 |       Fmt.kstrf Lwt.fail_with "error reading essential sectors: %a" pp_error e
-             ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
-     ocamlopt bin/.main.eobjs/impl.{cmx,o}
- File "bin/impl.ml", line 27, characters 15-24:
- 27 | let fail fmt = Fmt.kstrf Lwt.fail_with fmt
-                     ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
[ERROR] The compilation of fat-filesystem.0.12.3 failed at "jbuilder build -p fat-filesystem -j 39".
build failed... 

=== STDERR ===

2026-07-23 20:26.54: FAILED: build fat-filesystem.0.12.3
2026-07-23 20:26.54: Job failed: build failed: fat-filesystem.0.12.3