these 3 derivations will be built: /nix/store/398mkndqwlj4sshvwc1gz1w7lakv2n7l-iets-fuzz-diff-0.0.0.drv /nix/store/n3b172lk5qgq823ik231qwh1lw4hikj6-iets-fuzzers-0.0.0.drv /nix/store/xjagsi1icj63scgj66cm91409s6f744m-iets-fuzz-eval-check.drv building '/nix/store/n3b172lk5qgq823ik231qwh1lw4hikj6-iets-fuzzers-0.0.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token' building '/nix/store/398mkndqwlj4sshvwc1gz1w7lakv2n7l-iets-fuzz-diff-0.0.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token' building '/nix/store/n3b172lk5qgq823ik231qwh1lw4hikj6-iets-fuzzers-0.0.0.drv' on farm.numtide.com:50051 iets-fuzzers-0.0.0> elastic-arm-27f3dbe4: building n3b172lk5qgq823ik231qwh1lw4hikj6-iets-fuzzers-0.0.0.drv iets-fuzzers-0.0.0> Running phase: unpackPhase iets-fuzzers-0.0.0> unpacking source archive /nix/store/f55vzlv17dhrv7rabdm1gxi1h043x384-source iets-fuzzers-0.0.0> source root is source iets-fuzzers-0.0.0> Running phase: patchPhase iets-fuzzers-0.0.0> moving Cargo.lock to Cargo.lock.orig, then will use /nix/store/4ak1vj5x7yk5d6f3nfr5qn9qhhlycpis-Cargo.lock as Cargo.lock iets-fuzzers-0.0.0> Executing configureCargoCommonVars iets-fuzzers-0.0.0> decompressing cargo artifacts from /nix/store/5kznvflfghllmg1fc53papl2bmjx8qmn-iets-fuzzers-deps-0.0.0/target.tar.zst to target building '/nix/store/398mkndqwlj4sshvwc1gz1w7lakv2n7l-iets-fuzz-diff-0.0.0.drv' on farm.numtide.com:50051 iets-fuzz-diff-0.0.0> elastic-arm-c3833f78: building 398mkndqwlj4sshvwc1gz1w7lakv2n7l-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/f55vzlv17dhrv7rabdm1gxi1h043x384-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/4ak1vj5x7yk5d6f3nfr5qn9qhhlycpis-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/p1w87nrcqzp913zpxi6yd7m7509i88hx-iets-fuzz-diff-deps-0.0.0/target.tar.zst to target iets-fuzzers-0.0.0> Running phase: updateAutotoolsGnuConfigScriptsPhase iets-fuzzers-0.0.0> Running phase: configurePhase iets-fuzzers-0.0.0> will append /build/source/fuzz/.cargo-home/config.toml with contents of /nix/store/sk39iwiidas509qbms89l15ysif37imx-vendor-cargo-deps/config.toml iets-fuzzers-0.0.0> default configurePhase, nothing to do iets-fuzzers-0.0.0> Running phase: buildPhase iets-fuzzers-0.0.0> +++ command cargo --version iets-fuzzers-0.0.0> cargo 1.99.0 (5f94df478 2026-08-27) iets-fuzzers-0.0.0> +++ command cargo build --target aarch64-unknown-linux-gnu --release --config 'profile.release.debug="line-tables-only"' --bin drv-eval --bin drv-gen --bin drv-read --bin eval --bin nar-gen --bin nar-read --bin nar-tree --bin parse --bin wire iets-fuzzers-0.0.0> Compiling iets v0.2.0 (/build/source) 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/sk39iwiidas509qbms89l15ysif37imx-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 1.99.0 (5f94df478 2026-08-27) 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 v0.2.0 (/build/source) iets-fuzzers-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) 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 12s iets-fuzz-diff-0.0.0> searching for bins/libs to install from cargo build log at cargoBuildLogzoyl.json iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/conformance-adapter in postBuildInstallFromCargoBuildLogOutTempLPi/bin iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/fuzz-diff in postBuildInstallFromCargoBuildLogOutTempLPi/bin iets-fuzz-diff-0.0.0> searching for bins/libs complete iets-fuzz-diff-0.0.0> buildPhase completed in 1 minutes 13 seconds iets-fuzz-diff-0.0.0> Running phase: installPhase iets-fuzz-diff-0.0.0> actually installing contents of postBuildInstallFromCargoBuildLogOutTempLPi to /nix/store/xn147zfnl0czn0bd06dh5a4mdhkngbw5-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/jpz663d8vakn4z7kijqvcb2x2fs9rw42-rustc-1.99.0 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/xn147zfnl0czn0bd06dh5a4mdhkngbw5-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> /nix/store/xn147zfnl0czn0bd06dh5a4mdhkngbw5-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/xn147zfnl0czn0bd06dh5a4mdhkngbw5-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> shrinking /nix/store/xn147zfnl0czn0bd06dh5a4mdhkngbw5-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> shrinking /nix/store/xn147zfnl0czn0bd06dh5a4mdhkngbw5-iets-fuzz-diff-0.0.0/bin/fuzz-diff iets-fuzz-diff-0.0.0> checking for references to /build/ in /nix/store/xn147zfnl0czn0bd06dh5a4mdhkngbw5-iets-fuzz-diff-0.0.0... iets-fuzz-diff-0.0.0> patching script interpreter paths in /nix/store/xn147zfnl0czn0bd06dh5a4mdhkngbw5-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> stripping (with command strip and flags -S -p) in /nix/store/xn147zfnl0czn0bd06dh5a4mdhkngbw5-iets-fuzz-diff-0.0.0/bin