this derivation will be built:
  /nix/store/95p6a91svrcwg960fnrkqb3z14flqpvb-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/95p6a91svrcwg960fnrkqb3z14flqpvb-bcachefs-module-7.0.0-39-generic.drv'...