this derivation will be built:
  /nix/store/rr78ffa8x0b8442ab7fllqlyx9r2l95v-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/rr78ffa8x0b8442ab7fllqlyx9r2l95v-bcachefs-module-7.0.0-39-generic.drv'...