1this derivation will be built:2 /nix/store/9y1pn504l9sdff3vdn3445ccm01f3a13-iets-fmt-0.1.0.drv3building '/nix/store/9y1pn504l9sdff3vdn3445ccm01f3a13-iets-fmt-0.1.0.drv'4iets-fmt-0.1.0> cargoVendorDir not set, will not automatically configure vendored sources5iets-fmt-0.1.0> cargoArtifacts not set, will not reuse any cargo artifacts6iets-fmt-0.1.0> Running phase: unpackPhase7iets-fmt-0.1.0> unpacking source archive /nix/store/dcrm3nd4ai9s8y7l6lxpmkxb7s9099gr-source8iets-fmt-0.1.0> source root is source9iets-fmt-0.1.0> Running phase: patchPhase10iets-fmt-0.1.0> Executing configureCargoCommonVars11iets-fmt-0.1.0> Running phase: updateAutotoolsGnuConfigScriptsPhase12iets-fmt-0.1.0> Running phase: configurePhase13iets-fmt-0.1.0> default configurePhase, nothing to do14iets-fmt-0.1.0> Running phase: buildPhase15iets-fmt-0.1.0> +++ command cargo --version16iets-fmt-0.1.0> cargo 1.98.0 (797e8a9bc 2026-08-05)17iets-fmt-0.1.0> +++ command cargo fmt -- --check