Build:
  1. 0
2026-06-24 15:59.35: New job: build mirage-flow-lwt.1.6.0 (41f946f1203f)
2026-06-24 15:59.35: Waiting for resource in pool day11-builds
2026-06-24 16:55.17: Got resource from pool day11-builds
2026-06-24 16:55.17: [profile full] build mirage-flow-lwt.1.6.0
2026-06-24 16:55.17: build mirage-flow-lwt.1.6.0 (41f946f1203f)
=== DEPENDENCIES (23 transitive) ===
  base-bytes.base                                    9599415fc64b
  base-threads.base                                  c9e7bdbf5823
  base-unix.base                                     7d1428be9ddb
  bigarray-compat.1.1.0                              b77790fdb90b
  cmdliner.2.1.1                                     768913fc7bd0
  cppo.1.8.0                                         9597d2c8f7b7
  csexp.1.5.2                                        0d959b3daabd
  cstruct.6.0.1                                      de7e0a366d7e
  dune.3.23.1                                        db6fce3d1d3d
  dune-configurator.3.23.1                           0dbbd35b53c7
  fmt.0.11.0                                         4e54f275aa3f
  logs.0.10.0                                        c0447a638142
  lwt.6.1.2                                          18ee2670fc02
  mirage-clock.2.0.0                                 aa202c1c887a
  mirage-device.1.2.0                                c2609bb120b3
  mirage-flow.1.6.0                                  ab7c97a15a63
  ocaml.5.0.0                                        bf52e7fc3967
  ocaml-base-compiler.5.0.0                          8a45cc139786
  ocaml-config.3                                     814dad1b05c3
  ocamlbuild.0.16.1                                  75321383b65a
  ocamlfind.1.9.8                                    075d2a928b3c
  ocplib-endian.1.2                                  bb79552c5e0e
  topkg.1.1.1                                        68669f8ef39b
=== 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/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 14-27:
- 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/ocamlc.opt -w -40 -safe-string -g -bin-annot -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 14-27:
- 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 ===

2026-06-24 16:55.48: OK: build mirage-flow-lwt.1.6.0 (runc: 2.6s, disk: 14KB)
2026-06-24 16:55.48: Job succeeded