these 4 derivations will be built: /nix/store/cy045wyka3lcz5m6xxb4759hp4drxvn5-iets-0.1.0.drv /nix/store/phlpw3bbzmik23gq0rbgqrxjzhhjrfqa-iets-fuzz-diff-0.0.0.drv /nix/store/njgm3riv0z249qgzd30033rvghrp29g3-iets-conformance-adapter.drv /nix/store/77m5zf8yy7qhwmkj1qs4ds1nwbfk1kz3-nix-conformance-iets.drv building '/nix/store/cy045wyka3lcz5m6xxb4759hp4drxvn5-iets-0.1.0.drv' building '/nix/store/phlpw3bbzmik23gq0rbgqrxjzhhjrfqa-iets-fuzz-diff-0.0.0.drv' iets-0.1.0> Running phase: unpackPhase iets-0.1.0> unpacking source archive /nix/store/ir5ajbqvm2pjm4sw5l3i6yqk8nl7g6mn-source iets-0.1.0> source root is source iets-0.1.0> Running phase: patchPhase iets-fuzz-diff-0.0.0> Running phase: unpackPhase iets-0.1.0> Executing configureCargoCommonVars iets-0.1.0> decompressing cargo artifacts from /nix/store/54m928ny3a49z5h7a489k9fyf27wd2zr-iets-deps-0.1.0/target.tar.zst to target iets-fuzz-diff-0.0.0> unpacking source archive /nix/store/r4lgd671017cxim0kh8azz0z81c62lhf-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/ykrrjpaasd9ddhh103yznpcf8sgz2mhh-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/7avnqnm3sgad4v7b74m1kqb2iryhzg9n-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/4xasvnhsyam6m5wwm4xafl5dmg1kkpsi-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-0.1.0> Running phase: updateAutotoolsGnuConfigScriptsPhase iets-0.1.0> Running phase: configurePhase iets-0.1.0> will append /build/source/.cargo-home/config.toml with contents of /nix/store/kcp4b936hbdmdqyk70cz6fyd4gnf3msb-vendor-cargo-deps/config.toml iets-0.1.0> default configurePhase, nothing to do iets-0.1.0> Running phase: buildPhase iets-0.1.0> +++ command cargo --version iets-0.1.0> cargo 1.98.0 (797e8a9bc 2026-08-05) iets-0.1.0> +++ command cargo build --release --message-format json-render-diagnostics --locked iets-0.1.0> 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 45.67s iets-fuzz-diff-0.0.0> searching for bins/libs to install from cargo build log at cargoBuildLoghwrh.json iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/conformance-adapter in postBuildInstallFromCargoBuildLogOutTempTbl/bin iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/fuzz-diff in postBuildInstallFromCargoBuildLogOutTempTbl/bin iets-fuzz-diff-0.0.0> searching for bins/libs complete iets-fuzz-diff-0.0.0> buildPhase completed in 46 seconds iets-fuzz-diff-0.0.0> Running phase: installPhase iets-fuzz-diff-0.0.0> actually installing contents of postBuildInstallFromCargoBuildLogOutTempTbl to /nix/store/kwrvsdb8slrhlaswajrzz6hv1qfadl1q-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/xvp6nfxayb07si2jaggqwvx3iykw89g2-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/kwrvsdb8slrhlaswajrzz6hv1qfadl1q-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> /nix/store/kwrvsdb8slrhlaswajrzz6hv1qfadl1q-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/kwrvsdb8slrhlaswajrzz6hv1qfadl1q-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> shrinking /nix/store/kwrvsdb8slrhlaswajrzz6hv1qfadl1q-iets-fuzz-diff-0.0.0/bin/fuzz-diff iets-fuzz-diff-0.0.0> shrinking /nix/store/kwrvsdb8slrhlaswajrzz6hv1qfadl1q-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> checking for references to /build/ in /nix/store/kwrvsdb8slrhlaswajrzz6hv1qfadl1q-iets-fuzz-diff-0.0.0... iets-fuzz-diff-0.0.0> patching script interpreter paths in /nix/store/kwrvsdb8slrhlaswajrzz6hv1qfadl1q-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> stripping (with command strip and flags -S -p) in /nix/store/kwrvsdb8slrhlaswajrzz6hv1qfadl1q-iets-fuzz-diff-0.0.0/bin iets-0.1.0> Finished `release` profile [optimized + debuginfo] target(s) in 3m 08s iets-0.1.0> searching for bins/libs to install from cargo build log at cargoBuildLog0IsO.json iets-0.1.0> installing /build/source/target/release/iets in postBuildInstallFromCargoBuildLogOutTempwrb/bin iets-0.1.0> searching for bins/libs complete iets-0.1.0> buildPhase completed in 3 minutes 9 seconds iets-0.1.0> Running phase: installPhase iets-0.1.0> actually installing contents of postBuildInstallFromCargoBuildLogOutTempwrb to /nix/store/da1iv2ilh1c87ymas5i24645lf84jik5-iets-0.1.0 iets-0.1.0> stripping references to Rust toolchain iets-0.1.0> Rust toolchain at: /nix/store/xvp6nfxayb07si2jaggqwvx3iykw89g2-rustc-1.98.1 iets-0.1.0> stripping Rust toolchain references done iets-0.1.0> stripping references to cargoVendorDir from: iets-0.1.0> /nix/store/da1iv2ilh1c87ymas5i24645lf84jik5-iets-0.1.0/bin/iets iets-0.1.0> stripping references done iets-0.1.0> Running phase: fixupPhase iets-0.1.0> shrinking RPATHs of ELF executables and libraries in /nix/store/da1iv2ilh1c87ymas5i24645lf84jik5-iets-0.1.0 iets-0.1.0> shrinking /nix/store/da1iv2ilh1c87ymas5i24645lf84jik5-iets-0.1.0/bin/iets iets-0.1.0> checking for references to /build/ in /nix/store/da1iv2ilh1c87ymas5i24645lf84jik5-iets-0.1.0... iets-0.1.0> patching script interpreter paths in /nix/store/da1iv2ilh1c87ymas5i24645lf84jik5-iets-0.1.0 iets-0.1.0> stripping (with command strip and flags -S -p) in /nix/store/da1iv2ilh1c87ymas5i24645lf84jik5-iets-0.1.0/bin building '/nix/store/njgm3riv0z249qgzd30033rvghrp29g3-iets-conformance-adapter.drv' iets-conformance-adapter> structuredAttrs is enabled building '/nix/store/77m5zf8yy7qhwmkj1qs4ds1nwbfk1kz3-nix-conformance-iets.drv'