this derivation will be built:
  /nix/store/cg256z8kv6b7vra83hh2r1jc4d5vah14-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/cg256z8kv6b7vra83hh2r1jc4d5vah14-bcachefs-module-7.0.0-34-generic.drv'...