this derivation will be built:
  /nix/store/b85kvximrqpqkil0lgragpisx88q7b8y-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/b85kvximrqpqkil0lgragpisx88q7b8y-bcachefs-module-7.0.0-28-generic.drv'...