Build:
  1. 0
2026-06-23 22:56.42: New job: build letters.0.1.1 (ed104265640b)
2026-06-23 22:56.42: Waiting for resource in pool day11-builds
2026-06-23 23:12.07: Got resource from pool day11-builds
2026-06-23 23:12.07: [profile full] build letters.0.1.1
2026-06-23 23:12.07: build letters.0.1.1 (ed104265640b)
=== DEPENDENCIES (78 transitive) ===
  angstrom.0.16.1                                    6bbb0142027e
  asn1-combinators.0.2.6                             aec04d0c44e9
  astring.0.8.5                                      77dbb65bc846
  base.v0.15.2                                       738ea293aeb8
  base-bytes.base                                    fe093162f383
  base-threads.base                                  b7164ff76afe
  base-unix.base                                     839dc585f12d
  base64.3.5.2                                       6338116d65c7
  bigarray-compat.1.1.0                              d8e26d2f775f
  bigarray-overlap.0.2.1                             4c800061a17f
  bigstringaf.0.10.0                                 d6f325ac37f8
  cmdliner.1.3.0                                     50e2e2aca21e
  coin.0.1.5                                         8c12d05dd124
  colombe.0.3.0                                      c18ff5148891
  conf-gmp.5                                         61e3c79e0ddf
  conf-gmp-powm-sec.4                                ceb17ad6499b
  conf-pkg-config.5                                  4b60827fc174
  cppo.1.8.0                                         419078d7d6b0
  csexp.1.5.2                                        1637d117a8bb
  cstruct.6.0.1                                      d781987db9b8
  cstruct-sexp.6.0.1                                 841df79900eb
  domain-name.0.5.0                                  e9f4b73ac758
  dune.3.23.1                                        433683e90514
  dune-configurator.3.23.1                           d169faaa676d
  duration.0.3.1                                     fdc804f0ee26
  emile.0.9                                          8b7f9ad1bd6d
  eqaf.0.9                                           600b98245231
  fiat-p256.0.2.3                                    62c61f3b0581
  fmt.0.11.0                                         6613082405db
  fpath.0.7.3                                        adcba1aca8b4
  gmap.0.3.0                                         a613f2ada845
  hacl_x25519.0.2.2                                  1f020d03b9ac
  hex.1.5.0                                          8c3eb2d8cffd
  hkdf.1.0.4                                         0fefed1611d7
  ipaddr.5.6.2                                       e0a2294a71f0
  ke.0.6                                             136576cb796c
  logs.0.10.0                                        c4230916fd27
  lwt.6.1.2                                          ef10d3a71bf3
  macaddr.5.6.2                                      06f70549f477
  mirage-crypto.0.10.7                               534d3f7157ff
  mirage-crypto-pk.0.10.7                            9c05347af352
  mirage-crypto-rng.0.10.7                           a142abf57ec8
  mirage-no-solo5.1                                  22acf1695454
  mirage-no-xen.1                                    d8669e201335
  mrmime.0.3.0                                       0dd36b6d75b2
  mtime.2.1.0                                        0bfbfc67d971
  num.1.6                                            3b13662dc011
  ocaml.5.3.0                                        f3f5cb82ec5e
  ocaml-base-compiler.5.3.0                          3282792848d7
  ocaml-compiler.5.3.0                               ec781058d2f3
  ocaml-compiler-libs.v0.17.0                        8c25585cc677
  ocaml-config.3                                     0df636be409d
  ocaml-syntax-shims.1.0.0                           1a614cb8950f
  ocamlbuild.0.16.1                                  6a034beeb0c1
  ocamlfind.1.9.8                                    814b8d0197a7
  ocplib-endian.1.2                                  3fcd35c84ea1
  parsexp.v0.15.0                                    9fb63789ebc1
  pecu.0.4                                           557791ec1928
  ppx_cstruct.6.0.1                                  cf0aa8fee0dc
  ppx_derivers.1.2.1                                 ff9d4bfc129e
  ppx_sexp_conv.v0.15.1                              a8a1eaafa090
  ppxlib.0.35.0                                      e6ee132c27db
  ptime.1.2.0                                        a197406c276c
  rosetta.0.4.0                                      4e01d92a50d9
  rresult.0.7.0                                      cf1cd10f9230
  sendmail.0.3.0                                     eee180fdcf28
  sendmail-lwt.0.3.0                                 1fa658de0e6e
  sexplib.v0.15.1                                    d8414c6fa287
  sexplib0.v0.15.1                                   e9b4535d72f2
  stdlib-shims.0.3.0                                 f49bc9dde33b
  tls.0.12.8                                         7fa7b4948dc1
  topkg.1.1.1                                        77f1be4dd954
  unstrctrd.0.4                                      7401fc458306
  uutf.1.0.4                                         ec759aa88e92
  uuuu.0.4.0                                         f2fcd6a31632
  x509.0.11.2                                        0fdc47d8866b
  yuscii.0.3.0                                       3554dbe6845d
  zarith.1.14                                        bed60daa9e32
=== STDOUT ===
Processing: [default: loading data]
[letters.0.1.1: dl]
[letters.0.1.1: extract]
-> retrieved letters.0.1.1  (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.0.1.1)
- (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/base/caml -I /home/opam/.opam/default/lib/base64 -I /home/opam/.opam/default/lib/base64/rfc2045 -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/bigarray-overlap -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/bytes -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/fiat-p256 -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/hacl_x25519 -I /home/opam/.opam/default/lib/hex -I /home/opam/.opam/default/lib/hkdf -I /home/opam/.opam/default/lib/ipaddr -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-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/mrmime/prettym -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/pecu -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -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-lwt -I /home/opam/.opam/default/lib/sendmail/tls -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -I /home/opam/.opam/default/lib/stdlib-shims -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.cmi -no-alias-deps -open Letters__ -o lib/.letters.objs/byte/letters.cmo -c -impl lib/letters.ml)
- File "lib/letters.ml", line 32, characters 29-37:
- 32 |       | Error _ -> failwith (Fmt.strf "Invalid email address for 'to': %s" address))
-                                   ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "lib/letters.ml", line 40, characters 29-37:
- 40 |       | Error _ -> failwith (Fmt.strf "Invalid email address for 'to': %s" address))
-                                   ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- (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/base/caml -I /home/opam/.opam/default/lib/base64 -I /home/opam/.opam/default/lib/base64/rfc2045 -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/bigarray-overlap -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/bytes -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/fiat-p256 -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/hacl_x25519 -I /home/opam/.opam/default/lib/hex -I /home/opam/.opam/default/lib/hkdf -I /home/opam/.opam/default/lib/ipaddr -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-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/mrmime/prettym -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/pecu -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -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-lwt -I /home/opam/.opam/default/lib/sendmail/tls -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -I /home/opam/.opam/default/lib/stdlib-shims -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 34, characters 22-30:
- 34 |   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 26, characters 33-37:
- 26 | let run_with_starttls ~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 52, characters 19-23:
- 52 | 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/base/caml -I /home/opam/.opam/default/lib/base64 -I /home/opam/.opam/default/lib/base64/rfc2045 -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/bigarray-overlap -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/bytes -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/fiat-p256 -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/hacl_x25519 -I /home/opam/.opam/default/lib/hex -I /home/opam/.opam/default/lib/hkdf -I /home/opam/.opam/default/lib/ipaddr -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-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/mrmime/prettym -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/pecu -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -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-lwt -I /home/opam/.opam/default/lib/sendmail/tls -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -I /home/opam/.opam/default/lib/stdlib-shims -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 34, characters 22-30:
- 34 |   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 26, characters 33-37:
- 26 | let run_with_starttls ~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 52, characters 19-23:
- 52 | 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/base/caml -I /home/opam/.opam/default/lib/base64 -I /home/opam/.opam/default/lib/base64/rfc2045 -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/bigarray-overlap -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/bytes -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/fiat-p256 -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/hacl_x25519 -I /home/opam/.opam/default/lib/hex -I /home/opam/.opam/default/lib/hkdf -I /home/opam/.opam/default/lib/ipaddr -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-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/mrmime/prettym -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/pecu -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -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-lwt -I /home/opam/.opam/default/lib/sendmail/tls -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -I /home/opam/.opam/default/lib/stdlib-shims -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.cmi -no-alias-deps -open Letters__ -o lib/.letters.objs/native/letters.cmx -c -impl lib/letters.ml)
- File "lib/letters.ml", line 32, characters 29-37:
- 32 |       | Error _ -> failwith (Fmt.strf "Invalid email address for 'to': %s" address))
-                                   ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "lib/letters.ml", line 40, characters 29-37:
- 40 |       | Error _ -> failwith (Fmt.strf "Invalid email address for 'to': %s" address))
-                                   ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
-> compiled  letters.0.1.1
-> installed letters.0.1.1
[WARNING] Opam package conf-gmp.5 depends on the following system package that can no longer be found: libgmp-dev

=== STDERR ===

2026-06-23 23:12.35: OK: build letters.0.1.1 (runc: 4.6s, disk: 29KB)
2026-06-23 23:12.35: Job succeeded