these 4 derivations will be built: /nix/store/96qz44ak0jrq8833f43hcbxcr5gqyypv-iets-fuzz-diff-0.0.0.drv /nix/store/a5axp888gfv7a2q2mgri6qhm432r0nmm-iets-0.1.0.drv /nix/store/2l020yr4ijfp6mb9nif0llm6bm421knj-iets-conformance-adapter.drv /nix/store/7n4963885rr93drh4vsxrwh62079p892-nix-conformance-iets.drv building '/nix/store/96qz44ak0jrq8833f43hcbxcr5gqyypv-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/fwzcp5gljy8sawci3ncwllnxh554xcsk-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) 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 1m 23s iets-fuzz-diff-0.0.0> searching for bins/libs to install from cargo build log at cargoBuildLogrs9z.json iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/conformance-adapter in postBuildInstallFromCargoBuildLogOutTempUQi/bin iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/fuzz-diff in postBuildInstallFromCargoBuildLogOutTempUQi/bin iets-fuzz-diff-0.0.0> searching for bins/libs complete iets-fuzz-diff-0.0.0> buildPhase completed in 1 minutes 24 seconds iets-fuzz-diff-0.0.0> Running phase: installPhase iets-fuzz-diff-0.0.0> actually installing contents of postBuildInstallFromCargoBuildLogOutTempUQi to /nix/store/s6hknsl4g848aq4frc7s009wcw933c93-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/s6hknsl4g848aq4frc7s009wcw933c93-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> /nix/store/s6hknsl4g848aq4frc7s009wcw933c93-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/s6hknsl4g848aq4frc7s009wcw933c93-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> shrinking /nix/store/s6hknsl4g848aq4frc7s009wcw933c93-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> shrinking /nix/store/s6hknsl4g848aq4frc7s009wcw933c93-iets-fuzz-diff-0.0.0/bin/fuzz-diff iets-fuzz-diff-0.0.0> checking for references to /build/ in /nix/store/s6hknsl4g848aq4frc7s009wcw933c93-iets-fuzz-diff-0.0.0... iets-fuzz-diff-0.0.0> patching script interpreter paths in /nix/store/s6hknsl4g848aq4frc7s009wcw933c93-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> stripping (with command strip and flags -S -p) in /nix/store/s6hknsl4g848aq4frc7s009wcw933c93-iets-fuzz-diff-0.0.0/bin building '/nix/store/2l020yr4ijfp6mb9nif0llm6bm421knj-iets-conformance-adapter.drv' iets-conformance-adapter> structuredAttrs is enabled building '/nix/store/7n4963885rr93drh4vsxrwh62079p892-nix-conformance-iets.drv' nix-conformance-iets> SKIP lang/eval-okay-closure.nix nix-conformance-iets> SKIP lang/eval-okay-functionargs.nix