Build:
  1. 0
2026-06-20 19:01.56: New job: build mirage-flow-lwt.1.6.0 (c3e92a04230d)
2026-06-20 19:01.56: Waiting for resource in pool day11-builds
2026-06-20 19:16.53: Got resource from pool day11-builds
2026-06-20 19:16.53: [profile full] build mirage-flow-lwt.1.6.0
2026-06-20 19:16.53: build mirage-flow-lwt.1.6.0 (c3e92a04230d)
=== DEPENDENCIES (23 transitive) ===
  base-bytes.base                                    ec2393fe4c6d
  base-threads.base                                  b7164ff76afe
  base-unix.base                                     839dc585f12d
  bigarray-compat.1.1.0                              03fdddc1554e
  compiler-cloning.enabled                           0d2606125f88
  cppo.1.8.0                                         2299340fea15
  csexp.1.5.2                                        315ecef51574
  cstruct.6.0.1                                      152516e67534
  dune.3.23.1                                        dbfeecb5ca10
  dune-configurator.3.23.1                           8afe79196456
  fmt.0.11.0                                         13e83cd80bf7
  logs.0.10.0                                        9f6cb6c33ade
  lwt.6.1.2                                          ed1e822009bb
  mirage-clock.2.0.0                                 a118c2210e8b
  mirage-device.1.2.0                                0d9e1a186790
  mirage-flow.1.6.0                                  fdbe93b92690
  ocaml.5.5.0                                        1b4132bddf48
  ocaml-base-compiler.5.5.0                          1901c3a760c1
  ocaml-compiler.5.5.0                               5f593a0b4a8c
  ocamlbuild.0.16.1                                  b485a4f69c01
  ocamlfind.1.9.8                                    5b46f9d92bbd
  ocplib-endian.1.2                                  e43423130776
  topkg.1.1.1                                        8e3718e4cf5c
=== STDOUT ===
Processing: [default: loading data]
[mirage-flow-lwt.1.6.0: extract]
-> retrieved mirage-flow-lwt.1.6.0  (cached)
[mirage-flow-lwt: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "mirage-flow-lwt" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/mirage-flow-lwt.1.6.0)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -safe-string -g -bin-annot -bin-annot-occurrences -I lwt/.mirage_flow_lwt.objs/byte -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/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/mirage-clock -I /home/opam/.opam/default/lib/mirage-device -I /home/opam/.opam/default/lib/mirage-flow -cmi-file lwt/.mirage_flow_lwt.objs/byte/mirage_flow_lwt.cmi -no-alias-deps -o lwt/.mirage_flow_lwt.objs/byte/mirage_flow_lwt.cmo -c -impl lwt/mirage_flow_lwt.ml)
- File "lwt/mirage_flow_lwt.ml", line 93, characters 56-67:
- 93 |         read_bytes := Int64.(add !read_bytes (of_int @@ Cstruct.len buffer));
-                                                              ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 98, characters 60-71:
- 98 |           write_bytes := Int64.(add !write_bytes (of_int @@ Cstruct.len buffer));
-                                                                  ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 252, characters 31-42:
- 252 |   let input_cstruct = input_fn Cstruct.len Cstruct.blit
-                                      ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 253, characters 33-44:
- 253 |   let output_cstruct = output_fn Cstruct.len Cstruct.blit
-                                        ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 265, characters 7-18:
- 265 |     if Cstruct.len ch.buf = 0 then (
-              ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 289, characters 16-27:
- 289 |       let len = Cstruct.len buf in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 359, characters 28-36:
- 359 |             if verbose then Fmt.strf "[%S]" @@ Cstruct.to_string buf
-                                   ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 360, characters 17-25:
- 360 |             else Fmt.strf "%d bytes" (Cstruct.len buf)
-                        ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 360, characters 38-49:
- 360 |             else Fmt.strf "%d bytes" (Cstruct.len buf)
-                                             ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 347, characters 14-21:
- 347 | let forward ?(verbose=false) ~src ~dst =
-                     ^^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -safe-string -g -I lwt/.mirage_flow_lwt.objs/byte -I lwt/.mirage_flow_lwt.objs/native -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/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/mirage-clock -I /home/opam/.opam/default/lib/mirage-device -I /home/opam/.opam/default/lib/mirage-flow -cmi-file lwt/.mirage_flow_lwt.objs/byte/mirage_flow_lwt.cmi -no-alias-deps -o lwt/.mirage_flow_lwt.objs/native/mirage_flow_lwt.cmx -c -impl lwt/mirage_flow_lwt.ml)
- File "lwt/mirage_flow_lwt.ml", line 93, characters 56-67:
- 93 |         read_bytes := Int64.(add !read_bytes (of_int @@ Cstruct.len buffer));
-                                                              ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 98, characters 60-71:
- 98 |           write_bytes := Int64.(add !write_bytes (of_int @@ Cstruct.len buffer));
-                                                                  ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 252, characters 31-42:
- 252 |   let input_cstruct = input_fn Cstruct.len Cstruct.blit
-                                      ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 253, characters 33-44:
- 253 |   let output_cstruct = output_fn Cstruct.len Cstruct.blit
-                                        ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 265, characters 7-18:
- 265 |     if Cstruct.len ch.buf = 0 then (
-              ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 289, characters 16-27:
- 289 |       let len = Cstruct.len buf in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 359, characters 28-36:
- 359 |             if verbose then Fmt.strf "[%S]" @@ Cstruct.to_string buf
-                                   ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 360, characters 17-25:
- 360 |             else Fmt.strf "%d bytes" (Cstruct.len buf)
-                        ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 360, characters 38-49:
- 360 |             else Fmt.strf "%d bytes" (Cstruct.len buf)
-                                             ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "lwt/mirage_flow_lwt.ml", line 347, characters 14-21:
- 347 | let forward ?(verbose=false) ~src ~dst =
-                     ^^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
-> compiled  mirage-flow-lwt.1.6.0
-> installed mirage-flow-lwt.1.6.0

=== STDERR ===

2026-06-20 19:17.05: OK: build mirage-flow-lwt.1.6.0 (runc: 2.6s, disk: 13KB)
2026-06-20 19:17.05: Job succeeded