this derivation will be built:
  /nix/store/69aj3qmh41xyaynrsaqx71a56640k93v-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/69aj3qmh41xyaynrsaqx71a56640k93v-bcachefs-module-7.0.0-39-generic.drv'...