these 3 derivations will be built: /nix/store/bkbp6838pjswm943vb3aii0sqcqvnrbw-iets-fuzzers-0.0.0.drv /nix/store/ivw4g53q0qqd958yxvykd98zpz106kr5-iets-fuzz-diff-0.0.0.drv /nix/store/wwhsjx4vi8gvxxqh0kp3wz57034d3342-iets-fuzz-drv-check.drv building '/nix/store/bkbp6838pjswm943vb3aii0sqcqvnrbw-iets-fuzzers-0.0.0.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=23&system=aarch64-linux' building '/nix/store/ivw4g53q0qqd958yxvykd98zpz106kr5-iets-fuzz-diff-0.0.0.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-linux' building '/nix/store/bkbp6838pjswm943vb3aii0sqcqvnrbw-iets-fuzzers-0.0.0.drv' on farm.numtide.com:50051 iets-fuzzers-0.0.0> elastic-arm-02023afc: building bkbp6838pjswm943vb3aii0sqcqvnrbw-iets-fuzzers-0.0.0.drv building '/nix/store/ivw4g53q0qqd958yxvykd98zpz106kr5-iets-fuzz-diff-0.0.0.drv' on farm.numtide.com:50051 iets-fuzz-diff-0.0.0> elastic-arm-02023afc: building ivw4g53q0qqd958yxvykd98zpz106kr5-iets-fuzz-diff-0.0.0.drv iets-fuzzers-0.0.0> Running phase: unpackPhase iets-fuzzers-0.0.0> unpacking source archive /nix/store/w63qw2z3n9ncwm6q8gbplawy2rvfw5sb-source iets-fuzzers-0.0.0> source root is source iets-fuzz-diff-0.0.0> Running phase: unpackPhase iets-fuzzers-0.0.0> Running phase: patchPhase iets-fuzz-diff-0.0.0> unpacking source archive /nix/store/w63qw2z3n9ncwm6q8gbplawy2rvfw5sb-source iets-fuzzers-0.0.0> moving Cargo.lock to Cargo.lock.orig, then will use /nix/store/q2jq5fyhj4h5x0q0a8s2rw84j9y6syan-Cargo.lock as Cargo.lock iets-fuzzers-0.0.0> Executing configureCargoCommonVars iets-fuzzers-0.0.0> decompressing cargo artifacts from /nix/store/49l9mcpqifyqbglqc3jghhbpv7dscnjh-iets-fuzzers-deps-0.0.0/target.tar.zst to target 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/q2jq5fyhj4h5x0q0a8s2rw84j9y6syan-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/zypddk3l2m62n98s1w9p4ki6q7vvk4c4-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/61661qdvhb7f756fx8sk67s8j7bcq03v-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 v0.2.0 (/build/source) 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/61661qdvhb7f756fx8sk67s8j7bcq03v-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 1.98.0 (797e8a9bc 2026-08-05) 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> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzzers-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 08s iets-fuzz-diff-0.0.0> searching for bins/libs to install from cargo build log at cargoBuildLogOIst.json iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/conformance-adapter in postBuildInstallFromCargoBuildLogOutTempiTA/bin iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/fuzz-diff in postBuildInstallFromCargoBuildLogOutTempiTA/bin iets-fuzz-diff-0.0.0> searching for bins/libs complete iets-fuzz-diff-0.0.0> buildPhase completed in 1 minutes 9 seconds iets-fuzz-diff-0.0.0> Running phase: installPhase iets-fuzz-diff-0.0.0> actually installing contents of postBuildInstallFromCargoBuildLogOutTempiTA to /nix/store/i8cz4r4s2g4hh2f2kw8kyf34adbd5shs-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/ajnghkwrznnkzq36mnm2j78l67f6d8ry-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/i8cz4r4s2g4hh2f2kw8kyf34adbd5shs-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> /nix/store/i8cz4r4s2g4hh2f2kw8kyf34adbd5shs-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/i8cz4r4s2g4hh2f2kw8kyf34adbd5shs-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> shrinking /nix/store/i8cz4r4s2g4hh2f2kw8kyf34adbd5shs-iets-fuzz-diff-0.0.0/bin/fuzz-diff iets-fuzz-diff-0.0.0> shrinking /nix/store/i8cz4r4s2g4hh2f2kw8kyf34adbd5shs-iets-fuzz-diff-0.0.0/bin/conformance-adapter iets-fuzz-diff-0.0.0> checking for references to /build/ in /nix/store/i8cz4r4s2g4hh2f2kw8kyf34adbd5shs-iets-fuzz-diff-0.0.0... iets-fuzz-diff-0.0.0> patching script interpreter paths in /nix/store/i8cz4r4s2g4hh2f2kw8kyf34adbd5shs-iets-fuzz-diff-0.0.0 iets-fuzz-diff-0.0.0> stripping (with command strip and flags -S -p) in /nix/store/i8cz4r4s2g4hh2f2kw8kyf34adbd5shs-iets-fuzz-diff-0.0.0/bin iets-fuzzers-0.0.0> Finished `release` profile [optimized + debuginfo] target(s) in 6m 38s iets-fuzzers-0.0.0> buildPhase completed in 6 minutes 38 seconds iets-fuzzers-0.0.0> Running phase: installPhase iets-fuzzers-0.0.0> linking previous artifacts /nix/store/49l9mcpqifyqbglqc3jghhbpv7dscnjh-iets-fuzzers-deps-0.0.0/target.tar.zst to /nix/store/wiiwlj7vy6b0gvcdsp1ijvh6wy36zkxz-iets-fuzzers-0.0.0/target.tar.zst iets-fuzzers-0.0.0> /*stdin*\ : 23.40% ( 1.10 GiB => 263 MiB, /nix/store/wiiwlj7vy6b0gvcdsp1ijvh6wy36zkxz-iets-fuzzers-0.0.0/target.tar.zst) building '/nix/store/wwhsjx4vi8gvxxqh0kp3wz57034d3342-iets-fuzz-drv-check.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=23&system=aarch64-linux' warning: wwhsjx4vi8gvxxqh0kp3wz57034d3342-iets-fuzz-drv-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker wwhsjx4vi8gvxxqh0kp3wz57034d3342-iets-fuzz-drv-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {} error: build of '/nix/store/wwhsjx4vi8gvxxqh0kp3wz57034d3342-iets-fuzz-drv-check.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=23&system=aarch64-linux' failed: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {} error: Cannot build '/nix/store/wwhsjx4vi8gvxxqh0kp3wz57034d3342-iets-fuzz-drv-check.drv'. Reason: builder failed with exit code 1. Output paths: /nix/store/i7id7gyds8anwihdj57pf995pfjbl7al-iets-fuzz-drv-check