Build:
  1. 0
2026-11-07 22:13.20: New job: build class_group_vdf.0.0.3 (d3dfba27c407)
2026-11-07 22:13.20: Waiting for resource in pool day11-builds
2026-11-07 22:26.12: Got resource from pool day11-builds
2026-11-07 22:26.12: [profile full] build class_group_vdf.0.0.3
2026-11-07 22:26.12: build class_group_vdf.0.0.3 (d3dfba27c407)
=== DEPENDENCIES (13 transitive) ===
  base-threads.base                                  e5afefc1e615
  base-unix.base                                     52b3a79a2336
  conf-g++.1.0                                       8cc3c3fae2a9
  conf-gmp.5                                         5fdec896ddcc
  conf-pkg-config.5                                  918c1ea9acfc
  dune.3.24.2                                        e62732e166f0
  integers.0.8.0                                     a9f1cd19ef30
  ocaml.4.14.5                                       59c49aa9a147
  ocaml-base-compiler.4.14.5                         06eff73c29ec
  ocaml-config.2                                     69d9a96fd308
  ocamlfind.1.9.8                                    d07e0f862372
  stdlib-shims.0.3.0                                 e553fc2bf1ba
  zarith.1.14                                        5ad414a5a9d0
=== STDOUT ===
Processing: [default: loading data]
[class_group_vdf.0.0.3: dl]
[class_group_vdf.0.0.3: extract]
-> retrieved class_group_vdf.0.0.3  (https://opam.ocaml.org/cache)
[class_group_vdf: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-j" "39" "-p" "class_group_vdf" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/class_group_vdf.0.0.3)
- File "src/dune", lines 9-24, characters 0-452:
-  9 | (library
- 10 |  (name class_group_vdf)
- 11 |  (public_name class_group_vdf)
- ....
- 22 |   (flags
- 23 |    (:include stubs_flags.sexp))
- 24 |   (names cg_vdf_wrapper cg_vdf_bindings_stubs)))
- (cd _build/default && /home/opam/.opam/default/bin/ocamlmklib.opt -g -o src/class_group_vdf_stubs src/cg_vdf_wrapper.o src/cg_vdf_bindings_stubs.o -ldopt -lgmpxx -ldopt -lgmp -ldopt -lstdc++)
- /usr/bin/ld: src/cg_vdf_wrapper.o: relocation R_X86_64_TPOFF32 against `_ZZ12rand_integeriiE7is_init' can not be used when making a shared object; recompile with -fPIC
- /usr/bin/ld: failed to set dynamic section sizes: bad value
- collect2: error: ld returned 1 exit status
build failed... 
[ERROR] The compilation of class_group_vdf.0.0.3 failed at "dune build -j 39 -p class_group_vdf @install".

=== STDERR ===

2026-11-07 22:26.24: FAILED: build class_group_vdf.0.0.3
2026-11-07 22:26.24: Job failed: build failed: class_group_vdf.0.0.3