this derivation will be built:
  /nix/store/i9pfh1i8299h3bl4ygpmf94xx55ylf7z-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/i9pfh1i8299h3bl4ygpmf94xx55ylf7z-bcachefs-module-7.0.0-30-generic.drv'...