these 3 derivations will be built: /nix/store/041vmgv9bigrr8qp3i6ljaqd6zy3ygd7-iets-fuzzers-0.0.0.drv /nix/store/p0siak67g06k8japzni903d6f5i0sr8b-iets-fuzz-diff-0.0.0.drv /nix/store/2lr04aa60gkdpv4fihddb1fmvlps3a6i-iets-fuzz-drv-eval-check.drv building '/nix/store/p0siak67g06k8japzni903d6f5i0sr8b-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/5638hbms7296zjv2s2a6jgssh45bl4z8-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/2ryp0kzfm7qaqk7x0k7b63r1wzzir643-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) iets-fuzz-diff-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzz-diff-0.0.0> Finished `release` profile [optimized] target(s) in 54.18s iets-fuzz-diff-0.0.0> searching for bins/libs to install from cargo build log at cargoBuildLogrmHv.json iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/conformance-adapter in postBuildInstallFromCargoBuildLogOutTempC8t/bin iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/fuzz-diff in postBuildInstallFromCargoBuildLogOutTempC8t/bin iets-fuzz-diff-0.0.0> searching for bins/libs complete iets-fuzz-diff-0.0.0> buildPhase completed in 54 seconds iets-fuzz-diff-0.0.0> Running phase: installPhase iets-fuzz-diff-0.0.0> actually installing contents of postBuildInstallFromCargoBuildLogOutTempC8t to /nix/store/add6nghhxprjiqib0dyf8df8r0lkcm44-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> stripping references to Rust toolchain iets-fuzz-diff-0.0.0> Rust toolchain at: /nix/store/53lvgpxsb3b9ghkgb4v0jra6zzlnyw8n-rustc-1.98.1 iets-fuzz-diff-0.0.0> stripping Rust toolchain references done iets-fuzz-diff-0.0.0> stripping references to cargoVendorDir from: iets-fuzz-diff-0.0.0> /nix/store/add6nghhxprjiqib0dyf8df8r0lkcm44-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> /nix/store/add6nghhxprjiqib0dyf8df8r0lkcm44-iets-fuzz-diff-0.0.0/bin/fuzz-diff iets-fuzz-diff-0.0.0> stripping references done iets-fuzz-diff-0.0.0> Running phase: fixupPhase iets-fuzz-diff-0.0.0> shrinking RPATHs of ELF executables and libraries in /nix/store/add6nghhxprjiqib0dyf8df8r0lkcm44-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> shrinking /nix/store/add6nghhxprjiqib0dyf8df8r0lkcm44-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> shrinking /nix/store/add6nghhxprjiqib0dyf8df8r0lkcm44-iets-fuzz-diff-0.0.0/bin/fuzz-diff iets-fuzz-diff-0.0.0> checking for references to /build/ in /nix/store/add6nghhxprjiqib0dyf8df8r0lkcm44-iets-fuzz-diff-0.0.0... iets-fuzz-diff-0.0.0> patching script interpreter paths in /nix/store/add6nghhxprjiqib0dyf8df8r0lkcm44-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> stripping (with command strip and flags -S -p) in /nix/store/add6nghhxprjiqib0dyf8df8r0lkcm44-iets-fuzz-diff-0.0.0/bin