=== DEPENDENCIES (13 transitive) ===
  base-threads.base                                  922226874b26
  base-unix.base                                     af6d03bc3069
  conf-libffi.2.0.0                                  b0c43883d96c
  conf-pkg-config.4                                  f5167d99d01a
  csexp.1.5.2                                        a29ec1f5ebd2
  ctypes.0.24.0                                      b970a216deb7
  dune.3.23.1                                        67388a377902
  dune-configurator.3.23.1                           f031d47dc4df
  integers.0.8.0                                     bae9c9895c00
  ocaml.5.1.1                                        b33e8e9e2872
  ocaml-base-compiler.5.1.1                          09957540eb8c
  ocaml-config.3                                     26bed0c23e60
  stdlib-shims.0.3.0                                 231900060ae7
=== STDOUT ===
Processing: [default: loading data]
[ctypes-foreign.0.24.0: extract]
-> retrieved ctypes-foreign.0.24.0  (cached)
[ctypes-foreign: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "ctypes-foreign" "-j" "39" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/ctypes-foreign.0.24.0)
-> compiled  ctypes-foreign.0.24.0
-> installed ctypes-foreign.0.24.0
[WARNING] Opam package conf-libffi.2.0.0 depends on the following system package that can no longer be found: libffi-dev

=== STDERR ===