2026-10-07 11:52.59: New job: build lbfgs.0.9.2 (7a3fdf882a8b)
2026-10-07 11:52.59: Waiting for resource in pool day11-builds
2026-10-07 15:52.33: Got resource from pool day11-builds
2026-10-07 15:52.33: [profile full] build lbfgs.0.9.2
2026-10-07 15:52.34: build lbfgs.0.9.2 (7a3fdf882a8b)
=== DEPENDENCIES (16 transitive) ===
  base-bigarray.base                                 dce7dd6b7cf9
  base-bytes.base                                    e10135635fd6
  base-threads.base                                  464810371b96
  base-unix.base                                     4596d20d2cf7
  camlp-streams.5.0.1                                791e89b41d9a
  camlp4.5.5                                         3a2ad0012e09
  compiler-cloning.enabled                           a13866103a7b
  conf-gfortran.0                                    af50ddab36e6
  csexp.1.5.2                                        b96efdeb2d5f
  dune.3.24.2                                        99dad2c0d74f
  dune-configurator.3.24.2                           7520decaab4b
  ocaml.5.5.1                                        3d940b39ad2d
  ocaml-base-compiler.5.5.1                          5cf781414aed
  ocaml-compiler.5.5.1                               9ea90032811f
  ocamlbuild.0.16.1                                  68333e4a0ef3
  ocamlfind.1.9.9~preview                            0f9da898bc9e
=== STDOUT ===
Processing: [default: loading data]
[lbfgs.0.9.2: dl]
[lbfgs.0.9.2: extract]
-> retrieved lbfgs.0.9.2  (https://opam.ocaml.org/cache)
[lbfgs: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "lbfgs" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/lbfgs.0.9.2)
- File "src/dune", line 6, characters 14-25:
- 6 |  (c_names     lbfgs_stubs)
-                   ^^^^^^^^^^^
- (cd _build/default/src && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -fPIC -pthread -D_FILE_OFFSET_BITS=64 -O2 -fno-strict-aliasing -fwrapv -fPIC -pthread -g -I /home/opam/.opam/default/lib/ocaml -I /home/opam/.opam/default/lib/bytes -I Lbfgsb.3.0 -o lbfgs_stubs.o -c lbfgs_stubs.c)
- In file included from lbfgs_stubs.c:18:
- lbfgs_stubs.c: In function 'ocaml_lbfgs_setulb':
- /home/opam/.opam/default/lib/ocaml/caml/mlvalues.h:366:24: warning: passing argument 13 of 'setulb_' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
-   366 | #define String_val(x) ((const char *) Bp_val(x))
-       |                       ~^~~~~~~~~~~~~~~~~~~~~~~~~
- lbfgs_stubs.c:92:11: note: in expansion of macro 'String_val'
-    92 |           String_val(vtask), /* shared content with OCaml */
-       |           ^~~~~~~~~~
- lbfgs_stubs.c:66:27: note: expected 'char *' but argument is of type 'const char *'
-    66 |                     char *task,
-       |                     ~~~~~~^~~~
- /home/opam/.opam/default/lib/ocaml/caml/mlvalues.h:366:24: warning: passing argument 15 of 'setulb_' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
-   366 | #define String_val(x) ((const char *) Bp_val(x))
-       |                       ~^~~~~~~~~~~~~~~~~~~~~~~~~
- lbfgs_stubs.c:93:28: note: in expansion of macro 'String_val'
-    93 |           PTR_INT(iprint), String_val(vcsave),
-       |                            ^~~~~~~~~~
- lbfgs_stubs.c:68:27: note: expected 'char *' but argument is of type 'const char *'
-    68 |                     char *csave,
-       |                     ~~~~~~^~~~~
- lbfgs_stubs.c:96:10: error: implicit declaration of function 'copy_double'; did you mean 'caml_copy_double'? [-Wimplicit-function-declaration]
-    96 |   return(copy_double(f));
-       |          ^~~~~~~~~~~
-       |          caml_copy_double
[ERROR] The compilation of lbfgs.0.9.2 failed at "dune build -p lbfgs -j 39".
build failed... 

=== STDERR ===

2026-10-07 15:55.40: FAILED: build lbfgs.0.9.2
2026-10-07 15:55.40: Job failed: build failed: lbfgs.0.9.2