this derivation will be built:
  /nix/store/c26pjfq0xzlb02rzrh4pyc47hvrzas5g-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/c26pjfq0xzlb02rzrh4pyc47hvrzas5g-bcachefs-module-7.0.0-39-generic.drv'...