this derivation will be built:
  /nix/store/7gxyicwg5d18zb4xzffiz3xss2lz8bh2-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/7gxyicwg5d18zb4xzffiz3xss2lz8bh2-bcachefs-module-7.0.0-39-generic.drv'...