this derivation will be built:
  /nix/store/9vraxs36akycijzg99mqa9k3m3gr5dk9-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/9vraxs36akycijzg99mqa9k3m3gr5dk9-bcachefs-module-7.0.0-39-generic.drv'...