Build:
  1. 0
2026-06-24 19:09.18: New job: build sendmail.0.4.1 (20b2612033f2)
2026-06-24 19:09.18: Waiting for resource in pool day11-builds
2026-06-24 19:26.21: Got resource from pool day11-builds
2026-06-24 19:26.21: [profile full] build sendmail.0.4.1
2026-06-24 19:26.21: build sendmail.0.4.1 (20b2612033f2)
=== DEPENDENCIES (63 transitive) ===
  angstrom.0.16.1                                    7b5a7290f9a4
  asn1-combinators.0.2.6                             ab60c442b1e5
  base.v0.17.3                                       c29afc67ba00
  base-bytes.base                                    a7b3bf16b3f4
  base-threads.base                                  c9e7bdbf5823
  base-unix.base                                     7d1428be9ddb
  base64.3.5.2                                       612901b099cc
  bigarray-compat.1.1.0                              6a9ffb5ca493
  bigstringaf.0.10.0                                 ace38f08babf
  colombe.0.4.1                                      b05fe5a2e17e
  compiler-cloning.enabled                           439a1fc77aa6
  conf-gmp.5                                         be11edf77089
  conf-gmp-powm-sec.4                                7029468462a8
  conf-pkg-config.5                                  d5de2c6a88f9
  cppo.1.8.0                                         deac69f17b6b
  csexp.1.5.2                                        977b865a51b4
  cstruct.6.0.1                                      39f356871cef
  cstruct-sexp.6.0.1                                 6f435916bfde
  domain-name.0.5.0                                  88f0a0101969
  dune.3.23.1                                        a59dd9b14fe3
  dune-configurator.3.23.1                           8cec6bb1116c
  duration.0.3.1                                     2e28964e0c5f
  eqaf.0.9                                           d23f9d6566b1
  fmt.0.11.0                                         a00e65adfdb2
  gmap.0.3.0                                         f0a252074065
  hkdf.1.0.4                                         d1a03942cedd
  ipaddr.5.6.2                                       f0d11333b684
  ipaddr-sexp.5.6.2                                  02ffbe1b780f
  logs.0.10.0                                        b1a6ce72fdce
  lwt.6.1.2                                          ac157df3e196
  macaddr.5.6.2                                      79697028334d
  mirage-crypto.0.10.7                               4a439d61247c
  mirage-crypto-ec.0.10.7                            6fa85cf5ca21
  mirage-crypto-pk.0.10.7                            d83fbe12f4e8
  mirage-crypto-rng.0.10.7                           aecc1fb1a848
  mirage-no-solo5.1                                  13f2afe40169
  mirage-no-xen.1                                    1d7bfaeb5ba3
  mtime.2.1.0                                        e796d3f55e78
  num.1.6                                            efd5a307a10f
  ocaml.5.5.0                                        383268832c4b
  ocaml-base-compiler.5.5.0                          522c248944c8
  ocaml-compiler.5.5.0                               eb1a8babf54c
  ocaml-compiler-libs.v0.17.0                        d66bf6efa323
  ocaml-syntax-shims.1.0.0                           57f31ba6c740
  ocaml_intrinsics_kernel.v0.17.2                    5f4f03f1d581
  ocamlbuild.0.16.1                                  e57f00093c6a
  ocamlfind.1.9.8                                    b506a15fcd6c
  ocplib-endian.1.2                                  d54106a1e513
  parsexp.v0.17.0                                    7a592903ad6e
  pbkdf.1.2.0                                        6b3171936d17
  ppx_cstruct.6.0.1                                  5b9c70d17110
  ppx_derivers.1.2.1                                 82026aa8af61
  ppx_sexp_conv.v0.17.1                              defee63a95cd
  ppxlib.0.38.0                                      2aa2dfbf252b
  ppxlib_jane.v0.17.4                                abb3b3b0dac0
  ptime.1.2.0                                        b662df1f9ed0
  sexplib.v0.17.0                                    96575d3108de
  sexplib0.v0.17.0                                   166f8102230b
  stdlib-shims.0.3.0                                 e7f8a4f187fa
  tls.0.15.4                                         31cb6bf32a13
  topkg.1.1.1                                        ac206dbbd2b6
  x509.0.16.5                                        707991b40698
  zarith.1.14                                        c48bd7ff5430
=== STDOUT ===
Processing: [default: loading data]
[sendmail.0.4.1: extract]
-> retrieved sendmail.0.4.1  (cached)
[sendmail: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "sendmail" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/sendmail.0.4.1)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -I sendmail/.sendmail.objs/byte -I /home/opam/.opam/default/lib/angstrom -I /home/opam/.opam/default/lib/base64 -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/colombe -I /home/opam/.opam/default/lib/domain-name -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/ipaddr -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/macaddr -cmi-file sendmail/.sendmail.objs/byte/sendmail.cmi -no-alias-deps -o sendmail/.sendmail.objs/byte/sendmail.cmo -c -impl sendmail/sendmail.ml)
- File "sendmail/sendmail.ml", line 119, characters 45-53:
- 119 |             let payload = Base64.encode_exn (Fmt.strf "\000%s\000%s" username password) in
-                                                    ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "sendmail/sendmail.ml", line 123, characters 45-53:
- 123 |             let payload = Base64.encode_exn (Fmt.strf "%s\000%s\000%s" x username password) in
-                                                    ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I sendmail/.sendmail.objs/byte -I sendmail/.sendmail.objs/native -I /home/opam/.opam/default/lib/angstrom -I /home/opam/.opam/default/lib/base64 -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/colombe -I /home/opam/.opam/default/lib/domain-name -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/ipaddr -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/macaddr -cmi-file sendmail/.sendmail.objs/byte/sendmail.cmi -no-alias-deps -o sendmail/.sendmail.objs/native/sendmail.cmx -c -impl sendmail/sendmail.ml)
- File "sendmail/sendmail.ml", line 119, characters 45-53:
- 119 |             let payload = Base64.encode_exn (Fmt.strf "\000%s\000%s" username password) in
-                                                    ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "sendmail/sendmail.ml", line 123, characters 45-53:
- 123 |             let payload = Base64.encode_exn (Fmt.strf "%s\000%s\000%s" x username password) in
-                                                    ^^^^^^^^
- 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 sendmail/.sendmail_with_starttls.objs/byte -I /home/opam/.opam/default/lib/angstrom -I /home/opam/.opam/default/lib/asn1-combinators -I /home/opam/.opam/default/lib/base64 -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/colombe -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/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/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/logs -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/parsexp -I /home/opam/.opam/default/lib/pbkdf -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -I /home/opam/.opam/default/lib/ptime -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/x509 -I /home/opam/.opam/default/lib/zarith -I sendmail/.sendmail.objs/byte -cmi-file sendmail/.sendmail_with_starttls.objs/byte/sendmail_with_starttls.cmi -no-alias-deps -o sendmail/.sendmail_with_starttls.objs/byte/sendmail_with_starttls.cmo -c -impl sendmail/sendmail_with_starttls.ml)
- File "sendmail/sendmail_with_starttls.ml", line 216, characters 11-22:
- 216 |         if Cstruct.len raw = 0
-                  ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 218, characters 75-86:
- 218 |         else Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; } in
-                                                                                  ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 219, characters 68-79:
- 219 |       Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; }
-                                                                           ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 243, characters 13-24:
- 243 |           if Cstruct.len raw = 0
-                    ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 247, characters 77-88:
- 247 |           else Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; } in
-                                                                                    ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 248, characters 70-81:
- 248 |         Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; }
-                                                                             ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 256, characters 51-62:
- 256 |         let len = min (Bytes.length buffer - max) (Cstruct.len raw) in
-                                                          ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 257, characters 17-28:
- 257 |         if len < Cstruct.len raw then Fmt.failwith "Read buffer is full and TLS handshake is not done" ;
-                        ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 283, characters 86-97:
- 283 |   let rec go_with_tls ctx fiber delayed_data = match ctx.Context_with_tls.tls, fiber, Cstruct.len delayed_data with
-                                                                                             ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 293, characters 63-74:
- 293 |         Write { k; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; }
-                                                                      ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 300, characters 25-36:
- 300 |           let len = min (Cstruct.len raw) len_0 in
-                                ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 314, characters 15-26:
- 314 |             if Cstruct.len raw = 0
-                      ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 316, characters 79-90:
- 316 |             else Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; } in
-                                                                                      ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 317, characters 72-83:
- 317 |           Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; }
-                                                                               ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 358, characters 9-20:
- 358 |       if Cstruct.len raw = 0
-                ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 360, characters 73-84:
- 360 |       else Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw } in
-                                                                                ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 370, characters 66-77:
- 370 |     Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw }
-                                                                         ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 391, characters 11-22:
- 391 |         if Cstruct.len raw = 0
-                  ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 397, characters 23-34:
- 397 |                 ; len= Cstruct.len raw } in
-                              ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 398, characters 67-78:
- 398 |       Write { k= loop; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw }
-                                                                          ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 446, characters 45-53:
- 446 |             let payload = Base64.encode_exn (Fmt.strf "\000%s\000%s" username password) in
-                                                    ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 450, characters 45-53:
- 450 |             let payload = Base64.encode_exn (Fmt.strf "%s\000%s\000%s" x username password) in
-                                                    ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 583, characters 30-41:
- 583 |           rdwr.wr flow buf 0 (Cstruct.len raw) >>= fun () -> go state
-                                     ^^^^^^^^^^^
- 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 sendmail/.sendmail_with_starttls.objs/byte -I sendmail/.sendmail_with_starttls.objs/native -I /home/opam/.opam/default/lib/angstrom -I /home/opam/.opam/default/lib/asn1-combinators -I /home/opam/.opam/default/lib/base64 -I /home/opam/.opam/default/lib/bigarray-compat -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/colombe -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/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/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/logs -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/parsexp -I /home/opam/.opam/default/lib/pbkdf -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -I /home/opam/.opam/default/lib/ptime -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/x509 -I /home/opam/.opam/default/lib/zarith -I sendmail/.sendmail.objs/byte -I sendmail/.sendmail.objs/native -cmi-file sendmail/.sendmail_with_starttls.objs/byte/sendmail_with_starttls.cmi -no-alias-deps -o sendmail/.sendmail_with_starttls.objs/native/sendmail_with_starttls.cmx -c -impl sendmail/sendmail_with_starttls.ml)
- File "sendmail/sendmail_with_starttls.ml", line 216, characters 11-22:
- 216 |         if Cstruct.len raw = 0
-                  ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 218, characters 75-86:
- 218 |         else Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; } in
-                                                                                  ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 219, characters 68-79:
- 219 |       Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; }
-                                                                           ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 243, characters 13-24:
- 243 |           if Cstruct.len raw = 0
-                    ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 247, characters 77-88:
- 247 |           else Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; } in
-                                                                                    ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 248, characters 70-81:
- 248 |         Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; }
-                                                                             ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 256, characters 51-62:
- 256 |         let len = min (Bytes.length buffer - max) (Cstruct.len raw) in
-                                                          ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 257, characters 17-28:
- 257 |         if len < Cstruct.len raw then Fmt.failwith "Read buffer is full and TLS handshake is not done" ;
-                        ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 283, characters 86-97:
- 283 |   let rec go_with_tls ctx fiber delayed_data = match ctx.Context_with_tls.tls, fiber, Cstruct.len delayed_data with
-                                                                                             ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 293, characters 63-74:
- 293 |         Write { k; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; }
-                                                                      ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 300, characters 25-36:
- 300 |           let len = min (Cstruct.len raw) len_0 in
-                                ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 314, characters 15-26:
- 314 |             if Cstruct.len raw = 0
-                      ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 316, characters 79-90:
- 316 |             else Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; } in
-                                                                                      ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 317, characters 72-83:
- 317 |           Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw; }
-                                                                               ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 358, characters 9-20:
- 358 |       if Cstruct.len raw = 0
-                ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 360, characters 73-84:
- 360 |       else Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw } in
-                                                                                ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 370, characters 66-77:
- 370 |     Write { k= k raw; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw }
-                                                                         ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 391, characters 11-22:
- 391 |         if Cstruct.len raw = 0
-                  ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 397, characters 23-34:
- 397 |                 ; len= Cstruct.len raw } in
-                              ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 398, characters 67-78:
- 398 |       Write { k= loop; buffer= Cstruct.to_string raw; off= 0; len= Cstruct.len raw }
-                                                                          ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 446, characters 45-53:
- 446 |             let payload = Base64.encode_exn (Fmt.strf "\000%s\000%s" username password) in
-                                                    ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 450, characters 45-53:
- 450 |             let payload = Base64.encode_exn (Fmt.strf "%s\000%s\000%s" x username password) in
-                                                    ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "sendmail/sendmail_with_starttls.ml", line 583, characters 30-41:
- 583 |           rdwr.wr flow buf 0 (Cstruct.len raw) >>= fun () -> go state
-                                     ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
-> compiled  sendmail.0.4.1
-> installed sendmail.0.4.1
[WARNING] Opam package conf-gmp.5 depends on the following system package that can no longer be found: libgmp-dev

=== STDERR ===

2026-06-24 19:26.30: OK: build sendmail.0.4.1 (runc: 2.1s, disk: 32KB)
2026-06-24 19:26.30: Job succeeded