this derivation will be built:
  /nix/store/2w02z4196znhd1xn9acg346sfqmgnsl4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/2w02z4196znhd1xn9acg346sfqmgnsl4-bcachefs-module-7.0.0-39-generic.drv'...