this derivation will be built:
  /nix/store/wj2159p6bp8xfs1lj1yxd889a4ffvw4d-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/wj2159p6bp8xfs1lj1yxd889a4ffvw4d-bcachefs-module-7.0.0-39-generic.drv'...