Build:
  1. 0
2026-09-07 15:46.05: New job: build letters.0.3.1 (3bfb97c351fd)
2026-09-07 15:46.05: Waiting for resource in pool day11-builds
2026-09-07 15:48.35: Got resource from pool day11-builds
2026-09-07 15:48.35: [profile full] build letters.0.3.1
2026-09-07 15:48.36: build letters.0.3.1 (3bfb97c351fd)
=== DEPENDENCIES (80 transitive) ===
  angstrom.0.16.1                                    b7da2c05a431
  asn1-combinators.0.2.6                             fbb18e0c74f6
  astring.0.8.5                                      dd9bc4900cb4
  base.v0.17.3                                       88b199545512
  base-bytes.base                                    03f6a7f50e10
  base-threads.base                                  3d2f2cbc6db2
  base-unix.base                                     3a38ddca6b5e
  base64.3.5.2                                       eaed35f9f548
  bigstringaf.0.10.0                                 377d6f8fb17f
  bos.0.3.0                                          3ab99d14a9d0
  bstr.0.1.1                                         8046e96bd052
  ca-certs.0.2.3                                     735fc5d37047
  coin.0.1.5                                         b9e281416e8b
  colombe.0.8.0                                      3abd1534cb32
  compiler-cloning.enabled                           966a2e6839f0
  conf-gmp.5                                         eac5259e412f
  conf-gmp-powm-sec.4                                52de364a13b8
  conf-pkg-config.5                                  74f50f3cfe72
  cppo.1.8.0                                         3a29ac6f7bab
  csexp.1.5.2                                        8c096e7de322
  cstruct.6.3.0                                      053f1cab6819
  cstruct-sexp.6.3.0                                 6ebe34d65e95
  domain-name.0.5.0                                  0bdea2a5f626
  dune.3.24.2                                        25fbaa318de6
  dune-configurator.3.24.2                           517e3f9cad4b
  duration.0.3.1                                     2da5e06a146d
  emile.1.1                                          b76ed7a5cd26
  eqaf.0.9                                           069a12974e47
  fmt.0.11.0                                         151e0b51ed7d
  fpath.0.7.3                                        313c8edc1b30
  gmap.0.3.0                                         7d04e8caefd7
  hkdf.1.0.4                                         f09204877a75
  ipaddr.5.6.2                                       1a2bd535e084
  ipaddr-sexp.5.6.2                                  73ac6035acd2
  ke.0.6                                             aa77432bf2a1
  logs.0.10.0                                        2a2be2927e01
  lwt.6.1.2                                          0f24acbe404b
  macaddr.5.6.2                                      0d69156f3842
  mirage-crypto.0.10.7                               922d7b860abf
  mirage-crypto-ec.0.10.7                            dafe123f5c70
  mirage-crypto-pk.0.10.7                            7881c0ea01ba
  mirage-crypto-rng.0.10.7                           a973e25276a8
  mirage-no-solo5.1                                  4bdb01eae9d0
  mirage-no-xen.1                                    187d78a65ac1
  mrmime.0.7.2                                       20a451b06c4e
  mtime.2.2.0                                        0ff1764e02f3
  num.1.6                                            244eeeb7f1b4
  ocaml.5.5.1                                        70ca0c66e0e8
  ocaml-base-compiler.5.5.1                          59841d7ed85e
  ocaml-compiler.5.5.1                               492c0c740bd1
  ocaml-compiler-libs.v0.17.0                        235024900ef6
  ocaml-syntax-shims.1.0.0                           609f8309a47d
  ocaml_intrinsics_kernel.v0.17.2                    10a82d6157c1
  ocamlbuild.0.16.1                                  e25cf731aeb5
  ocamlfind.1.9.9~preview                            5e0261154b58
  ocplib-endian.1.2                                  d41cba8ea738
  parsexp.v0.17.0                                    79bf454965d2
  pbkdf.1.2.0                                        8c53f353ae24
  pecu.0.7                                           847c5ded1a51
  ppx_cstruct.6.3.0                                  f7bf9ac14192
  ppx_derivers.1.2.1                                 8d5f777c17ee
  ppx_sexp_conv.v0.17.1                              0740e0c56f6f
  ppxlib.0.38.0                                      ac854f4fbd20
  ppxlib_jane.v0.17.4                                7ffd450ab5af
  prettym.0.0.5                                      0e1520648e71
  ptime.1.2.0                                        23d9aa67a3a8
  rosetta.0.4.0                                      d20445408e7c
  rresult.0.7.0                                      bd921cc3de54
  sendmail.0.8.0                                     ab6e6131d0f5
  sexplib.v0.17.0                                    bfd4eff0be44
  sexplib0.v0.17.0                                   055934f8e366
  stdlib-shims.0.3.0                                 cc542b70be6c
  tls.0.15.4                                         30a3be510b91
  topkg.1.1.1                                        2919b4412ec4
  unstrctrd.0.4                                      ca89bbba6829
  uutf.1.0.4                                         69a1c756ad05
  uuuu.0.4.0                                         820e193e99c3
  x509.0.16.5                                        324c278619fa
  yuscii.0.3.0                                       8295b9604235
  zarith.1.14                                        345688a9ddb6
=== STDOUT ===
Processing: [default: loading data]
[letters.0.3.1: dl]
[letters.0.3.1: extract]
-> retrieved letters.0.3.1  (https://opam.ocaml.org/cache)
[letters: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "letters" "-j" "39" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/letters.0.3.1)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -I lib/.letters.objs/byte -I /home/opam/.opam/default/lib/angstrom -I /home/opam/.opam/default/lib/asn1-combinators -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/base64 -I /home/opam/.opam/default/lib/base64/rfc2045 -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/bos -I /home/opam/.opam/default/lib/bstr -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/ca-certs -I /home/opam/.opam/default/lib/coin -I /home/opam/.opam/default/lib/colombe -I /home/opam/.opam/default/lib/colombe/emile -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/cstruct-sexp -I /home/opam/.opam/default/lib/domain-name -I /home/opam/.opam/default/lib/duration -I /home/opam/.opam/default/lib/emile -I /home/opam/.opam/default/lib/eqaf -I /home/opam/.opam/default/lib/eqaf/bigstring -I /home/opam/.opam/default/lib/eqaf/cstruct -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/fpath -I /home/opam/.opam/default/lib/gmap -I /home/opam/.opam/default/lib/hkdf -I /home/opam/.opam/default/lib/ipaddr -I /home/opam/.opam/default/lib/ipaddr-sexp -I /home/opam/.opam/default/lib/ke -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/macaddr -I /home/opam/.opam/default/lib/mirage-crypto -I /home/opam/.opam/default/lib/mirage-crypto-ec -I /home/opam/.opam/default/lib/mirage-crypto-pk -I /home/opam/.opam/default/lib/mirage-crypto-rng -I /home/opam/.opam/default/lib/mirage-crypto-rng/lwt -I /home/opam/.opam/default/lib/mirage-crypto-rng/unix -I /home/opam/.opam/default/lib/mrmime -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -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/pbkdf -I /home/opam/.opam/default/lib/pecu -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -I /home/opam/.opam/default/lib/prettym -I /home/opam/.opam/default/lib/ptime -I /home/opam/.opam/default/lib/ptime/clock -I /home/opam/.opam/default/lib/rosetta -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/sendmail -I /home/opam/.opam/default/lib/sendmail/starttls -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -I /home/opam/.opam/default/lib/tls -I /home/opam/.opam/default/lib/tls/lwt -I /home/opam/.opam/default/lib/unstrctrd -I /home/opam/.opam/default/lib/unstrctrd/parser -I /home/opam/.opam/default/lib/uutf -I /home/opam/.opam/default/lib/uuuu -I /home/opam/.opam/default/lib/x509 -I /home/opam/.opam/default/lib/yuscii -I /home/opam/.opam/default/lib/zarith -cmi-file lib/.letters.objs/byte/letters__Sendmail_handler.cmi -no-alias-deps -open Letters__ -o lib/.letters.objs/byte/letters__Sendmail_handler.cmo -c -impl lib/sendmail_handler.ml)
- File "lib/sendmail_handler.ml", line 57, characters 22-30:
- 57 |   then Lwt.fail_with (Fmt.strf "%a can not be resolved" Domain_name.pp hostname)
-                            ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "lib/sendmail_handler.ml", line 40, characters 5-19:
- 40 |     ?authentication
-           ^^^^^^^^^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 38, characters 5-9:
- 38 |     ?port
-           ^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 93, characters 33-47:
- 93 | let run ~hostname ?port ~domain ?authentication ~tls_authenticator ~from ~recipients ~mail
-                                       ^^^^^^^^^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 93, characters 19-23:
- 93 | let run ~hostname ?port ~domain ?authentication ~tls_authenticator ~from ~recipients ~mail
-                         ^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib/.letters.objs/byte -I lib/.letters.objs/native -I /home/opam/.opam/default/lib/angstrom -I /home/opam/.opam/default/lib/asn1-combinators -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/base64 -I /home/opam/.opam/default/lib/base64/rfc2045 -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/bos -I /home/opam/.opam/default/lib/bstr -I /home/opam/.opam/default/lib/bytes -I /home/opam/.opam/default/lib/ca-certs -I /home/opam/.opam/default/lib/coin -I /home/opam/.opam/default/lib/colombe -I /home/opam/.opam/default/lib/colombe/emile -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/cstruct-sexp -I /home/opam/.opam/default/lib/domain-name -I /home/opam/.opam/default/lib/duration -I /home/opam/.opam/default/lib/emile -I /home/opam/.opam/default/lib/eqaf -I /home/opam/.opam/default/lib/eqaf/bigstring -I /home/opam/.opam/default/lib/eqaf/cstruct -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/fpath -I /home/opam/.opam/default/lib/gmap -I /home/opam/.opam/default/lib/hkdf -I /home/opam/.opam/default/lib/ipaddr -I /home/opam/.opam/default/lib/ipaddr-sexp -I /home/opam/.opam/default/lib/ke -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/macaddr -I /home/opam/.opam/default/lib/mirage-crypto -I /home/opam/.opam/default/lib/mirage-crypto-ec -I /home/opam/.opam/default/lib/mirage-crypto-pk -I /home/opam/.opam/default/lib/mirage-crypto-rng -I /home/opam/.opam/default/lib/mirage-crypto-rng/lwt -I /home/opam/.opam/default/lib/mirage-crypto-rng/unix -I /home/opam/.opam/default/lib/mrmime -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -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/pbkdf -I /home/opam/.opam/default/lib/pecu -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -I /home/opam/.opam/default/lib/prettym -I /home/opam/.opam/default/lib/ptime -I /home/opam/.opam/default/lib/ptime/clock -I /home/opam/.opam/default/lib/rosetta -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/sendmail -I /home/opam/.opam/default/lib/sendmail/starttls -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -I /home/opam/.opam/default/lib/tls -I /home/opam/.opam/default/lib/tls/lwt -I /home/opam/.opam/default/lib/unstrctrd -I /home/opam/.opam/default/lib/unstrctrd/parser -I /home/opam/.opam/default/lib/uutf -I /home/opam/.opam/default/lib/uuuu -I /home/opam/.opam/default/lib/x509 -I /home/opam/.opam/default/lib/yuscii -I /home/opam/.opam/default/lib/zarith -cmi-file lib/.letters.objs/byte/letters__Sendmail_handler.cmi -no-alias-deps -open Letters__ -o lib/.letters.objs/native/letters__Sendmail_handler.cmx -c -impl lib/sendmail_handler.ml)
- File "lib/sendmail_handler.ml", line 57, characters 22-30:
- 57 |   then Lwt.fail_with (Fmt.strf "%a can not be resolved" Domain_name.pp hostname)
-                            ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "lib/sendmail_handler.ml", line 40, characters 5-19:
- 40 |     ?authentication
-           ^^^^^^^^^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 38, characters 5-9:
- 38 |     ?port
-           ^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 93, characters 33-47:
- 93 | let run ~hostname ?port ~domain ?authentication ~tls_authenticator ~from ~recipients ~mail
-                                       ^^^^^^^^^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 93, characters 19-23:
- 93 | let run ~hostname ?port ~domain ?authentication ~tls_authenticator ~from ~recipients ~mail
-                         ^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
-> compiled  letters.0.3.1
-> installed letters.0.3.1
[WARNING] Opam package conf-gmp.5 depends on the following system package that can no longer be found: libgmp-dev

=== STDERR ===

2026-09-07 15:48.51: OK: build letters.0.3.1 (runc: 3.2s, disk: 23KB)
2026-09-07 15:48.51: Job succeeded