Build:
  1. 0
2026-06-24 16:07.30: New job: build mirage-channel.4.0.1 (c80ddcb2aa55)
2026-06-24 16:07.30: Waiting for resource in pool day11-builds
2026-06-24 17:03.37: Got resource from pool day11-builds
2026-06-24 17:03.37: [profile full] build mirage-channel.4.0.1
2026-06-24 17:03.37: build mirage-channel.4.0.1 (c80ddcb2aa55)
=== DEPENDENCIES (21 transitive) ===
  base-bytes.base                                    a7b3bf16b3f4
  base-threads.base                                  c9e7bdbf5823
  base-unix.base                                     7d1428be9ddb
  bigarray-compat.1.1.0                              6a9ffb5ca493
  compiler-cloning.enabled                           439a1fc77aa6
  cppo.1.8.0                                         deac69f17b6b
  csexp.1.5.2                                        977b865a51b4
  cstruct.6.0.1                                      39f356871cef
  dune.3.23.1                                        a59dd9b14fe3
  dune-configurator.3.23.1                           8cec6bb1116c
  fmt.0.11.0                                         a00e65adfdb2
  logs.0.10.0                                        b1a6ce72fdce
  lwt.6.1.2                                          ac157df3e196
  mirage-flow.5.0.0                                  b17e1ab63ca2
  ocaml.5.5.0                                        383268832c4b
  ocaml-base-compiler.5.5.0                          522c248944c8
  ocaml-compiler.5.5.0                               eb1a8babf54c
  ocamlbuild.0.16.1                                  e57f00093c6a
  ocamlfind.1.9.8                                    b506a15fcd6c
  ocplib-endian.1.2                                  d54106a1e513
  topkg.1.1.1                                        ac206dbbd2b6
=== STDOUT ===
Processing: [default: loading data]
[mirage-channel.4.0.1: dl]
[mirage-channel.4.0.1: extract]
-> retrieved mirage-channel.4.0.1  (https://opam.ocaml.org/cache)
[mirage-channel: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "mirage-channel" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/mirage-channel.4.0.1)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -I src/.mirage_channel.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-flow -cmi-file src/.mirage_channel.objs/byte/mirage_channel.cmi -no-alias-deps -o src/.mirage_channel.objs/byte/mirage_channel.cmo -c -impl src/mirage_channel.ml)
- File "src/mirage_channel.ml", line 80, characters 26-37:
- 80 |     | Ok (`Data buf) when Cstruct.len buf = 0 ->
-                                ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 100, characters 20-31:
- 100 |     | Some buf when Cstruct.len buf = 0 -> ibuf_refill t >>=~ fun _ -> get_ibuf t
-                           ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 117, characters 16-27:
- 117 |     let avail = Cstruct.len buf in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 136, characters 37-48:
- 136 |         loop (buffer :: acc) (len - (Cstruct.len buffer)) in
-                                            ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 142, characters 14-25:
- 142 |     let len = Cstruct.len buf in
-                     ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 164, characters 33-44:
- 164 |       | Ok (`Not_found buf) when Cstruct.len buf = 0 -> Lwt.return (Ok (`Data acc))
-                                        ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 168, characters 23-34:
- 168 |           let buflen = Cstruct.len buf in
-                              ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 190, characters 19-30:
- 190 |     |Some buf when Cstruct.len buf = t.opos -> (* obuf is full *)
-                          ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 205, characters 19-30:
- 205 |     |Some buf when Cstruct.len buf = t.opos -> queue_obuf t; alloc_obuf t
-                          ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 223, characters 16-27:
- 223 |     let avail = Cstruct.len buf - t.opos in
-                       ^^^^^^^^^^^
- 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 src/.mirage_channel.objs/byte -I src/.mirage_channel.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-flow -cmi-file src/.mirage_channel.objs/byte/mirage_channel.cmi -no-alias-deps -o src/.mirage_channel.objs/native/mirage_channel.cmx -c -impl src/mirage_channel.ml)
- File "src/mirage_channel.ml", line 80, characters 26-37:
- 80 |     | Ok (`Data buf) when Cstruct.len buf = 0 ->
-                                ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 100, characters 20-31:
- 100 |     | Some buf when Cstruct.len buf = 0 -> ibuf_refill t >>=~ fun _ -> get_ibuf t
-                           ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 117, characters 16-27:
- 117 |     let avail = Cstruct.len buf in
-                       ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 136, characters 37-48:
- 136 |         loop (buffer :: acc) (len - (Cstruct.len buffer)) in
-                                            ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 142, characters 14-25:
- 142 |     let len = Cstruct.len buf in
-                     ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 164, characters 33-44:
- 164 |       | Ok (`Not_found buf) when Cstruct.len buf = 0 -> Lwt.return (Ok (`Data acc))
-                                        ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 168, characters 23-34:
- 168 |           let buflen = Cstruct.len buf in
-                              ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 190, characters 19-30:
- 190 |     |Some buf when Cstruct.len buf = t.opos -> (* obuf is full *)
-                          ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 205, characters 19-30:
- 205 |     |Some buf when Cstruct.len buf = t.opos -> queue_obuf t; alloc_obuf t
-                          ^^^^^^^^^^^
- Alert deprecated: Cstruct.len
- len is deprecated, you should use length instead.
- 
- File "src/mirage_channel.ml", line 223, characters 16-27:
- 223 |     let avail = Cstruct.len buf - t.opos in
-                       ^^^^^^^^^^^
- 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 src/.mirage_channel.objs/byte -I src/.mirage_channel.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-flow -cmi-file src/.mirage_channel.objs/byte/mirage_channel_lwt.cmi -no-alias-deps -o src/.mirage_channel.objs/native/mirage_channel_lwt.cmx -c -impl src/mirage_channel_lwt.ml)
- File "src/mirage_channel_lwt.ml", line 1, characters 4-20:
- 1 | [@@@ocaml.deprecated "This module will be removed from MirageOS 4.0. Please use Mirage_channel instead."]
-         ^^^^^^^^^^^^^^^^
- Warning 53 [misplaced-attribute]: the ocaml.deprecated attribute cannot appear in this context
-> compiled  mirage-channel.4.0.1
-> installed mirage-channel.4.0.1

=== STDERR ===

2026-06-24 17:03.44: OK: build mirage-channel.4.0.1 (runc: 2.1s, disk: 14KB)
2026-06-24 17:03.44: Job succeeded