this derivation will be built: /nix/store/j2gcpgn28j9939k00zczri8llyyc5nxc-iets-fmt-0.1.0.drv error: build of '/nix/store/j2gcpgn28j9939k00zczri8llyyc5nxc-iets-fmt-0.1.0.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=21&system=aarch64-linux' failed: Cannot build '/nix/store/j2gcpgn28j9939k00zczri8llyyc5nxc-iets-fmt-0.1.0.drv'. Reason: builder failed with exit code 1. Output paths: /nix/store/ajd736k2qd8zd17b6hfznqq1h9v8i9h3-iets-fmt-0.1.0 Last 20 log lines: > cargoVendorDir not set, will not automatically configure vendored sources > cargoArtifacts not set, will not reuse any cargo artifacts > Running phase: unpackPhase > unpacking source archive /nix/store/1il3jc948kcczbbxx6qjfiflpx74s4wl-source > source root is source > Running phase: patchPhase > Executing configureCargoCommonVars > Running phase: updateAutotoolsGnuConfigScriptsPhase > Running phase: configurePhase > default configurePhase, nothing to do > Running phase: buildPhase > +++ command cargo --version > cargo 1.98.0 (797e8a9bc 2026-08-05) > +++ command cargo fmt -- --check > Diff in /build/source/tests/cli.rs:279: > let _ = fs::remove_dir_all(&d); > assert!(log.contains("eval: 2 derivations"), "{log}"); > } > - > For full logs, run: nix log /nix/store/j2gcpgn28j9939k00zczri8llyyc5nxc-iets-fmt-0.1.0.drv error: Cannot build '/nix/store/j2gcpgn28j9939k00zczri8llyyc5nxc-iets-fmt-0.1.0.drv'. Reason: builder failed with exit code 1. Output paths: /nix/store/ajd736k2qd8zd17b6hfznqq1h9v8i9h3-iets-fmt-0.1.0