this derivation will be built: /nix/store/fj3m46y5275p2dnvirk0cyngyf2lrbg4-treefmt.toml.drv building '/nix/store/fj3m46y5275p2dnvirk0cyngyf2lrbg4-treefmt.toml.drv' treefmt.toml> structuredAttrs is enabled upload niks3: ok