Build:
  1. 0
2026-09-04 19:01.01: New job: build protocol-9p.1.0.1 (cd9044d59de0)
2026-09-04 19:01.01: Waiting for resource in pool day11-builds
2026-09-04 19:13.41: Got resource from pool day11-builds
2026-09-04 19:13.41: [profile full] build protocol-9p.1.0.1
2026-09-04 19:13.41: build protocol-9p.1.0.1 (cd9044d59de0)
=== DEPENDENCIES (45 transitive) ===
  astring.0.8.5                                      dd9bc4900cb4
  base.v0.17.3                                       88b199545512
  base-bytes.base                                    03f6a7f50e10
  base-threads.base                                  3d2f2cbc6db2
  base-unix.base                                     3a38ddca6b5e
  compiler-cloning.enabled                           966a2e6839f0
  conf-pkg-config.5                                  74f50f3cfe72
  cppo.1.8.0                                         3a29ac6f7bab
  csexp.1.5.2                                        8c096e7de322
  cstruct.3.7.0                                      1df4ab26e1b9
  dune.3.24.2                                        25fbaa318de6
  dune-configurator.3.24.2                           517e3f9cad4b
  fmt.0.11.0                                         151e0b51ed7d
  io-page.3.0.0                                      7189a2645931
  logs.0.10.0                                        2a2be2927e01
  lwt.6.1.2                                          0f24acbe404b
  mirage-channel.3.2.0                               d0f527996012
  mirage-channel-lwt.3.2.0                           31304ead6f80
  mirage-clock.2.0.0                                 836a61a31907
  mirage-device.1.2.0                                b35288ee8997
  mirage-flow.1.6.0                                  191ec26dcede
  mirage-flow-lwt.1.6.0                              35d02d5caf17
  mirage-kv.1.0.0                                    f20ae8e5f7dc
  mirage-kv-lwt.1.0.0                                25867c705f82
  num.1.6                                            244eeeb7f1b4
  ocaml.5.5.1                                        70ca0c66e0e8
  ocaml-base-compiler.5.5.1                          59841d7ed85e
  ocaml-compiler.5.5.1                               492c0c740bd1
  ocaml-compiler-libs.v0.17.0                        235024900ef6
  ocaml_intrinsics_kernel.v0.17.2                    10a82d6157c1
  ocamlbuild.0.16.1                                  e25cf731aeb5
  ocamlfind.1.9.9~preview                            5e0261154b58
  ocplib-endian.1.2                                  d41cba8ea738
  parsexp.v0.17.0                                    79bf454965d2
  ppx_derivers.1.2.1                                 8d5f777c17ee
  ppx_sexp_conv.v0.17.1                              0740e0c56f6f
  ppxlib.0.38.0                                      ac854f4fbd20
  ppxlib_jane.v0.17.4                                7ffd450ab5af
  result.1.5                                         de914be7381a
  rresult.0.7.0                                      bd921cc3de54
  sexplib.v0.17.0                                    bfd4eff0be44
  sexplib0.v0.17.0                                   055934f8e366
  stdlib-shims.0.3.0                                 cc542b70be6c
  topkg.1.1.1                                        2919b4412ec4
  win-error.1.0                                      7df39adaf5d1
=== STDOUT ===
Processing: [default: loading data]
[protocol-9p.1.0.1: dl]
[protocol-9p.1.0.1: extract]
-> retrieved protocol-9p.1.0.1  (https://opam.ocaml.org/cache)
[protocol-9p: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "protocol-9p" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/protocol-9p.1.0.1)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -I lib/.protocol_9p.objs/byte -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/mirage-channel -I /home/opam/.opam/default/lib/mirage-channel-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 -I /home/opam/.opam/default/lib/mirage-flow-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/parsexp -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -cmi-file lib/.protocol_9p.objs/byte/protocol_9p__Protocol_9p_error.cmi -no-alias-deps -open Protocol_9p__ -o lib/.protocol_9p.objs/byte/protocol_9p__Protocol_9p_error.cmo -c -impl lib/protocol_9p_error.pp.ml)
- File "lib/protocol_9p_error.ml", line 26, characters 20-29:
- 26 | let error_msg fmt = Fmt.kstrf (fun s -> Error (`Msg s)) fmt
-                          ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib/.protocol_9p.objs/byte -I lib/.protocol_9p.objs/native -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/mirage-channel -I /home/opam/.opam/default/lib/mirage-channel-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 -I /home/opam/.opam/default/lib/mirage-flow-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/parsexp -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -cmi-file lib/.protocol_9p.objs/byte/protocol_9p__Protocol_9p_error.cmi -no-alias-deps -open Protocol_9p__ -o lib/.protocol_9p.objs/native/protocol_9p__Protocol_9p_error.cmx -c -impl lib/protocol_9p_error.pp.ml)
- File "lib/protocol_9p_error.ml", line 26, characters 20-29:
- 26 | let error_msg fmt = Fmt.kstrf (fun s -> Error (`Msg s)) fmt
-                          ^^^^^^^^^
- Alert deprecated: Fmt.kstrf
- use Fmt.kstr instead.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -I lib/.protocol_9p.objs/byte -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/mirage-channel -I /home/opam/.opam/default/lib/mirage-channel-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 -I /home/opam/.opam/default/lib/mirage-flow-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/parsexp -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -cmi-file lib/.protocol_9p.objs/byte/protocol_9p__Protocol_9p_buffered9PReader.cmi -no-alias-deps -open Protocol_9p__ -o lib/.protocol_9p.objs/byte/protocol_9p__Protocol_9p_buffered9PReader.cmo -c -impl lib/protocol_9p_buffered9PReader.pp.ml)
- File "lib/protocol_9p_buffered9PReader.ml", line 42, characters 42-50:
- 42 |     | Error e -> Lwt.return (Error (`Msg (Fmt.strf "%a" C.pp_error e)))
-                                                ^^^^^^^^
- Alert deprecated: Fmt.strf
- use Fmt.str instead.
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib/.protocol_9p.objs/byte -I lib/.protocol_9p.objs/native -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/mirage-channel -I /home/opam/.opam/default/lib/mirage-channel-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 -I /home/opam/.opam/default/lib/mirage-flow-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/parsexp -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -cmi-file lib/.protocol_9p.objs/byte/protocol_9p__Protocol_9p_buffered9PReader.cmi -no-alias-deps -open Protocol_9p__ -o lib/.protocol_9p.objs/native/protocol_9p__Protocol_9p_buffered9PReader.cmx -c -impl lib/protocol_9p_buffered9PReader.pp.ml)
- File "lib/protocol_9p_buffered9PReader.ml", line 42, characters 42-50:
- 42 |     | Error e -> Lwt.return (Error (`Msg (Fmt.strf "%a" C.pp_error e)))
-                                                ^^^^^^^^
- 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 lib/.protocol_9p.objs/byte -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/mirage-channel -I /home/opam/.opam/default/lib/mirage-channel-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 -I /home/opam/.opam/default/lib/mirage-flow-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/parsexp -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -cmi-file lib/.protocol_9p.objs/byte/protocol_9p__Protocol_9p_client.cmi -no-alias-deps -open Protocol_9p__ -o lib/.protocol_9p.objs/byte/protocol_9p__Protocol_9p_client.cmo -c -impl lib/protocol_9p_client.pp.ml)
- File "lib/protocol_9p_client.ml", line 1:
- Error: The implementation lib/protocol_9p_client.pp.ml
-        does not match the interface lib/protocol_9p_client.pp.mli:  ... ...
-        ... ... In module Make.KV_RO:
-        Values do not match:
-          val read :
-            t/2 ->
-            string ->
-            int64 ->
-            int64 ->
-            (Cstruct.t list, [> `Unknown_key of string ]) result Lwt.t
-        is not included in
-          val read :
-            t ->
-            string ->
-            int64 ->
-            int64 -> (page_aligned_buffer list, error) Result.result io
-        The type
-          t/2 ->
-          string ->
-          int64 ->
-          int64 -> (Cstruct.t list, [> `Unknown_key of string ]) result Lwt.t
-        is not compatible with the type
-          t ->
-          string ->
-          int64 -> int64 -> (page_aligned_buffer list, error) Result.result io
-        Type (Cstruct.t list, [> `Unknown_key of string ]) result Lwt.t
-        is not compatible with type
-          (page_aligned_buffer list, error) Result.result io =
-            (page_aligned_buffer list, error) Result.result Lwt.t
-        Type (Cstruct.t list, [> `Unknown_key of string ]) result
-        is not compatible with type
-          (page_aligned_buffer list, error) Result.result
-        File "lib/protocol_9p_client.ml", line 499, characters 4-23:
-          Definition of type t
-        File "lib/protocol_9p_client.ml", lines 75-92, characters 2-3:
-          Definition of type t/2
-        File "src/mirage_kv.mli", lines 46-47, characters 2-47:
-          Expected declaration
-        File "lib/protocol_9p_client.ml", line 508, characters 8-12:
-          Actual declaration
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib/.protocol_9p.objs/byte -I lib/.protocol_9p.objs/native -I /home/opam/.opam/default/lib/astring -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/io-page -I /home/opam/.opam/default/lib/logs -I /home/opam/.opam/default/lib/lwt -I /home/opam/.opam/default/lib/mirage-channel -I /home/opam/.opam/default/lib/mirage-channel-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 -I /home/opam/.opam/default/lib/mirage-flow-lwt -I /home/opam/.opam/default/lib/mirage-kv -I /home/opam/.opam/default/lib/mirage-kv-lwt -I /home/opam/.opam/default/lib/parsexp -I /home/opam/.opam/default/lib/ppx_sexp_conv/runtime-lib -I /home/opam/.opam/default/lib/rresult -I /home/opam/.opam/default/lib/sexplib -I /home/opam/.opam/default/lib/sexplib0 -cmi-file lib/.protocol_9p.objs/byte/protocol_9p__Protocol_9p_client.cmi -no-alias-deps -open Protocol_9p__ -o lib/.protocol_9p.objs/native/protocol_9p__Protocol_9p_client.cmx -c -impl lib/protocol_9p_client.pp.ml)
- File "lib/protocol_9p_client.ml", line 1:
- Error: The implementation lib/protocol_9p_client.pp.ml
-        does not match the interface lib/protocol_9p_client.pp.mli:  ... ...
-        ... ... In module Make.KV_RO:
-        Values do not match:
-          val read :
-            t/2 ->
-            string ->
-            int64 ->
-            int64 ->
-            (Cstruct.t list, [> `Unknown_key of string ]) result Lwt.t
-        is not included in
-          val read :
-            t ->
-            string ->
-            int64 ->
-            int64 -> (page_aligned_buffer list, error) Result.result io
-        The type
-          t/2 ->
-          string ->
-          int64 ->
-          int64 -> (Cstruct.t list, [> `Unknown_key of string ]) result Lwt.t
-        is not compatible with the type
-          t ->
-          string ->
-          int64 -> int64 -> (page_aligned_buffer list, error) Result.result io
-        Type (Cstruct.t list, [> `Unknown_key of string ]) result Lwt.t
-        is not compatible with type
-          (page_aligned_buffer list, error) Result.result io =
-            (page_aligned_buffer list, error) Result.result Lwt.t
-        Type (Cstruct.t list, [> `Unknown_key of string ]) result
-        is not compatible with type
-          (page_aligned_buffer list, error) Result.result
-        File "lib/protocol_9p_client.ml", line 499, characters 4-23:
-          Definition of type t
-        File "lib/protocol_9p_client.ml", lines 75-92, characters 2-3:
-          Definition of type t/2
-        File "src/mirage_kv.mli", lines 46-47, characters 2-47:
-          Expected declaration
-        File "lib/protocol_9p_client.ml", line 508, characters 8-12:
-          Actual declaration
[ERROR] The compilation of protocol-9p.1.0.1 failed at "dune build -p protocol-9p -j 39".
build failed... 

=== STDERR ===

2026-09-04 19:13.51: FAILED: build protocol-9p.1.0.1
2026-09-04 19:13.51: Job failed: build failed: protocol-9p.1.0.1