these 3 derivations will be built: /nix/store/87hzppr5ysdy6mqb1f14b5ply2rvrigm-iets-fuzz-diff-0.0.0.drv /nix/store/ywcx795r61z97amixd6q873lmcq4jbs9-iets-fuzzers-0.0.0.drv /nix/store/58vfn6r721vx7qdyvk0aqpmm61dhvhh7-iets-fuzz-drv-check.drv building '/nix/store/87hzppr5ysdy6mqb1f14b5ply2rvrigm-iets-fuzz-diff-0.0.0.drv' iets-fuzz-diff-0.0.0> Running phase: unpackPhase iets-fuzz-diff-0.0.0> unpacking source archive /nix/store/ax3m00p4n3lc6q4qb5rbcl8lgg567bbc-source iets-fuzz-diff-0.0.0> source root is source iets-fuzz-diff-0.0.0> Running phase: patchPhase iets-fuzz-diff-0.0.0> moving Cargo.lock to Cargo.lock.orig, then will use /nix/store/x5fb9rdfs3v03iygc1a65rdpqkn584p0-Cargo.lock as Cargo.lock iets-fuzz-diff-0.0.0> Executing configureCargoCommonVars iets-fuzz-diff-0.0.0> decompressing cargo artifacts from /nix/store/jp653nsbsqjqjqffwglcpcc17kd6cd4i-iets-fuzz-diff-deps-0.0.0/target.tar.zst to target iets-fuzz-diff-0.0.0> Running phase: updateAutotoolsGnuConfigScriptsPhase iets-fuzz-diff-0.0.0> Running phase: configurePhase iets-fuzz-diff-0.0.0> will append /build/source/fuzz/.cargo-home/config.toml with contents of /nix/store/7jbhj0f84ndxvh7d0b89s46m3j6l9y8y-vendor-cargo-deps/config.toml iets-fuzz-diff-0.0.0> default configurePhase, nothing to do iets-fuzz-diff-0.0.0> Running phase: buildPhase iets-fuzz-diff-0.0.0> +++ command cargo --version iets-fuzz-diff-0.0.0> cargo 1.98.0 (797e8a9bc 2026-08-05) iets-fuzz-diff-0.0.0> +++ command cargo build --release --message-format json-render-diagnostics --locked --bin fuzz-diff --bin conformance-adapter iets-fuzz-diff-0.0.0> Compiling iets v0.1.0 (/build/source)