this derivation will be built:
  /nix/store/k5p2avll63brj61njmps3xl0djga09yl-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/k5p2avll63brj61njmps3xl0djga09yl-bcachefs-module-7.0.0-30-generic.drv'...