this derivation will be built:
  /nix/store/my77i4sasg1s4f5df6zksq492x9hql4s-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/my77i4sasg1s4f5df6zksq492x9hql4s-bcachefs-module-7.0.0-34-generic.drv'...