2026-08-05 19:54.36: New job: build multicont.1.0.2 (558824baf1d9)
2026-08-05 19:54.36: Waiting for resource in pool day11-builds
2026-08-05 20:52.41: Got resource from pool day11-builds
2026-08-05 20:52.41: [profile full] build multicont.1.0.2
2026-08-05 20:52.41: build multicont.1.0.2 (558824baf1d9)
=== DEPENDENCIES (9 transitive) ===
  base-threads.base                                  4e0218232a65
  base-unix.base                                     2d2c0bf34146
  compiler-cloning.enabled                           645922735998
  csexp.1.5.2                                        ddbe24786709
  dune.3.24.2                                        1e5f2fe7e8cc
  dune-configurator.3.24.2                           023c240b9537
  ocaml.5.5.0                                        07a9fea0affc
  ocaml-base-compiler.5.5.0                          90119128ecb1
  ocaml-compiler.5.5.0                               6aaaaa99fb41
=== STDOUT ===
Processing: [default: loading data]
[multicont.1.0.2: dl]
[multicont.1.0.2: extract]
-> retrieved multicont.1.0.2  (https://opam.ocaml.org/cache)
[multicont: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "multicont" "-j" "39" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/multicont.1.0.2)
[ERROR] The compilation of multicont.1.0.2 failed at "dune build -p multicont -j 39 @install".
- File "lib/dune", line 9, characters 9-24:
- 9 |   (names multicont_stubs))
-              ^^^^^^^^^^^^^^^
- (cd _build/default/lib && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -fPIC -pthread -D_FILE_OFFSET_BITS=64 -Wall -fdiagnostics-color=always -g -I /home/opam/.opam/default/lib/ocaml -o multicont_stubs_byte.o -c multicont_stubs.c)
- multicont_stubs.c: In function 'multicont_clone_continuation':
- multicont_stubs.c:114:7: error: implicit declaration of function 'memcpy' [-Wimplicit-function-declaration]
-   114 |       memcpy(Stack_high(clone) - space_used,
-       |       ^~~~~~
- multicont_stubs.c:17:1: note: include '<string.h>' or provide a declaration of 'memcpy'
-    16 | #include "fiber_primitives.h" // provides [MULTICONT_NEXT_FIBER_ID]
-   +++ |+#include <string.h>
-    17 |                               // generator.
- multicont_stubs.c:114:7: warning: incompatible implicit declaration of built-in function 'memcpy' [-Wbuiltin-declaration-mismatch]
-   114 |       memcpy(Stack_high(clone) - space_used,
-       |       ^~~~~~
- multicont_stubs.c:114:7: note: include '<string.h>' or provide a declaration of 'memcpy'
- File "lib/dune", line 14, characters 9-24:
- 14 |   (names multicont_stubs)))
-               ^^^^^^^^^^^^^^^
- (cd _build/default/lib && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -fPIC -pthread -D_FILE_OFFSET_BITS=64 -Wall -fdiagnostics-color=always -DNATIVE_CODE -g -I /home/opam/.opam/default/lib/ocaml -o multicont_stubs_native.o -c multicont_stubs.c)
- multicont_stubs.c: In function 'multicont_clone_continuation':
- multicont_stubs.c:114:7: error: implicit declaration of function 'memcpy' [-Wimplicit-function-declaration]
-   114 |       memcpy(Stack_high(clone) - space_used,
-       |       ^~~~~~
- multicont_stubs.c:17:1: note: include '<string.h>' or provide a declaration of 'memcpy'
-    16 | #include "fiber_primitives.h" // provides [MULTICONT_NEXT_FIBER_ID]
-   +++ |+#include <string.h>
-    17 |                               // generator.
- multicont_stubs.c:114:7: warning: incompatible implicit declaration of built-in function 'memcpy' [-Wbuiltin-declaration-mismatch]
-   114 |       memcpy(Stack_high(clone) - space_used,
-       |       ^~~~~~
- multicont_stubs.c:114:7: note: include '<string.h>' or provide a declaration of 'memcpy'
build failed... 

=== STDERR ===

2026-08-05 20:53.02: FAILED: build multicont.1.0.2
2026-08-05 20:53.02: Job failed: build failed: multicont.1.0.2