this derivation will be built:
  /nix/store/a6fg4nhbww57kc88bicrc0srcmczv90v-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/a6fg4nhbww57kc88bicrc0srcmczv90v-bcachefs-module-7.0.0-26-generic.drv'...