this derivation will be built:
  /nix/store/7mv0d1illha8ffp390g2dqd03zrn5bwz-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/7mv0d1illha8ffp390g2dqd03zrn5bwz-bcachefs-module-7.0.0-30-generic.drv'...