this derivation will be built:
  /nix/store/i5sv6csnnp4llh77iasn4c0cyh6vbv1i-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/i5sv6csnnp4llh77iasn4c0cyh6vbv1i-bcachefs-module-7.0.0-38-generic.drv'...