this derivation will be built:
  /nix/store/q2z3p41dmgnjaazip4jxvydv9hx5brjb-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/q2z3p41dmgnjaazip4jxvydv9hx5brjb-bcachefs-module-7.0.0-38-generic.drv'...