these 4 derivations will be built: /nix/store/iflqbk3anih39asvfbw190711m0fisq7-iets-0.1.0.drv /nix/store/ps41vjbx4kr93az9hc6aaky6jzazxzgi-iets-fuzz-diff-0.0.0.drv /nix/store/9llgyvbdr5am0d76q09kf86i02jmkyiz-iets-conformance-adapter.drv /nix/store/79fqgzh3m0zb37laqy6xnpy6zr2zwsg7-nix-conformance-iets.drv building '/nix/store/iflqbk3anih39asvfbw190711m0fisq7-iets-0.1.0.drv' building '/nix/store/ps41vjbx4kr93az9hc6aaky6jzazxzgi-iets-fuzz-diff-0.0.0.drv' iets-0.1.0> Running phase: unpackPhase iets-0.1.0> unpacking source archive /nix/store/8shzd5aa3w5hclcrpnk2glj5hbrm6cpk-source iets-0.1.0> source root is source iets-0.1.0> Running phase: patchPhase iets-0.1.0> Executing configureCargoCommonVars iets-0.1.0> decompressing cargo artifacts from /nix/store/0sdkfrixhysvw11wwgf6vwsy7bcri5g1-iets-deps-0.1.0/target.tar.zst to target iets-fuzz-diff-0.0.0> Running phase: unpackPhase iets-fuzz-diff-0.0.0> unpacking source archive /nix/store/ab1zfrhp0vxwl64npyyw934p0xsgfn57-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/65413rj78fmfdh6wndfgjb51890qn8bw-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/cr0wigygmg260ia6i5ykd343xwjl7y18-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-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-fuzz-diff-0.0.0> Compiling iets v0.1.0 (/build/source) 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 9m 20s iets-fuzz-diff-0.0.0> searching for bins/libs to install from cargo build log at cargoBuildLogIv4z.json iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/conformance-adapter in postBuildInstallFromCargoBuildLogOutTempfya/bin iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/fuzz-diff in postBuildInstallFromCargoBuildLogOutTempfya/bin iets-fuzz-diff-0.0.0> searching for bins/libs complete iets-fuzz-diff-0.0.0> buildPhase completed in 9 minutes 34 seconds iets-fuzz-diff-0.0.0> Running phase: installPhase iets-fuzz-diff-0.0.0> actually installing contents of postBuildInstallFromCargoBuildLogOutTempfya to /nix/store/jydxbqpxik5m0x5kdwcdx4mn6py8rkla-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/jydxbqpxik5m0x5kdwcdx4mn6py8rkla-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> /nix/store/jydxbqpxik5m0x5kdwcdx4mn6py8rkla-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/jydxbqpxik5m0x5kdwcdx4mn6py8rkla-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> shrinking /nix/store/jydxbqpxik5m0x5kdwcdx4mn6py8rkla-iets-fuzz-diff-0.0.0/bin/fuzz-diff iets-fuzz-diff-0.0.0> shrinking /nix/store/jydxbqpxik5m0x5kdwcdx4mn6py8rkla-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> checking for references to /build/ in /nix/store/jydxbqpxik5m0x5kdwcdx4mn6py8rkla-iets-fuzz-diff-0.0.0... iets-fuzz-diff-0.0.0> patching script interpreter paths in /nix/store/jydxbqpxik5m0x5kdwcdx4mn6py8rkla-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> stripping (with command strip and flags -S -p) in /nix/store/jydxbqpxik5m0x5kdwcdx4mn6py8rkla-iets-fuzz-diff-0.0.0/bin error: timed out after 1200 seconds error: Cannot build '/nix/store/9llgyvbdr5am0d76q09kf86i02jmkyiz-iets-conformance-adapter.drv'. Reason: 1 dependency failed. Output paths: /nix/store/w1gwk98sfv5q7zd8qz3x8cw0agmwv7mb-iets-conformance-adapter error: Cannot build '/nix/store/79fqgzh3m0zb37laqy6xnpy6zr2zwsg7-nix-conformance-iets.drv'. Reason: 1 dependency failed. Output paths: /nix/store/9q2ixlcwxmzn5m3xyvhw36p2cxppfkks-nix-conformance-iets