this derivation will be built:
  /nix/store/ain70n51wnqamh1ycc94phxzhf0y7mcl-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/ain70n51wnqamh1ycc94phxzhf0y7mcl-bcachefs-module-7.0.0-38-generic.drv'...