this derivation will be built:
  /nix/store/kv9f8n3w7q8j855ghjdcqbk8387h2swi-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/kv9f8n3w7q8j855ghjdcqbk8387h2swi-bcachefs-module-7.0.0-31-generic.drv'...