this derivation will be built:
  /nix/store/f5bzlp35l7r1zz9br9z9p2xpq199farn-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/f5bzlp35l7r1zz9br9z9p2xpq199farn-bcachefs-module-7.0.0-38-generic.drv'...