Build:
  1. 0
2026-09-04 18:29.52: New job: build mirage-channel.4.0.1 (e942ed33636a)
2026-09-04 18:29.52: Waiting for resource in pool day11-builds
2026-09-04 18:45.43: Got resource from pool day11-builds
2026-09-04 18:45.43: [profile full] build mirage-channel.4.0.1
2026-09-04 18:45.43: build mirage-channel.4.0.1 (e942ed33636a)
=== DEPENDENCIES (21 transitive) ===
  base-bytes.base                                    03f6a7f50e10
  base-threads.base                                  3d2f2cbc6db2
  base-unix.base                                     3a38ddca6b5e
  bigarray-compat.1.1.0                              d56b8910e911
  compiler-cloning.enabled                           966a2e6839f0
  cppo.1.8.0                                         3a29ac6f7bab
  csexp.1.5.2                                        8c096e7de322
  cstruct.6.0.1                                      533594e9b7a1
  dune.3.24.2                                        25fbaa318de6
  dune-configurator.3.24.2                           517e3f9cad4b
  fmt.0.11.0                                         151e0b51ed7d
  logs.0.10.0                                        2a2be2927e01
  lwt.6.1.2                                          0f24acbe404b
  mirage-flow.5.0.0                                  6678a8a70e89
  ocaml.5.5.1                                        70ca0c66e0e8
  ocaml-base-compiler.5.5.1                          59841d7ed85e
  ocaml-compiler.5.5.1                               492c0c740bd1
  ocamlbuild.0.16.1                                  e25cf731aeb5
  ocamlfind.1.9.9~preview                            5e0261154b58
  ocplib-endian.1.2                                  d41cba8ea738
  topkg.1.1.1                                        2919b4412ec4
=== 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 ===

2026-09-04 18:45.51: OK: build mirage-channel.4.0.1 (runc: 2.6s, disk: 15KB)
2026-09-04 18:45.51: Job succeeded