these 3 derivations will be built:
  /nix/store/3fb2kgw4q3c7yj8zl2xx6b9w06b4lv9n-iets-fuzz-diff-0.0.0.drv
  /nix/store/vbzrw9jgbsba8wxkd8ylsskvnb64x2yw-iets-fuzzers-0.0.0.drv
  /nix/store/mw39dysax398x8dqphbmnv8kl067dnhg-iets-fuzz-drv-check.drv
building '/nix/store/3fb2kgw4q3c7yj8zl2xx6b9w06b4lv9n-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=21&system=aarch64-linux'
building '/nix/store/vbzrw9jgbsba8wxkd8ylsskvnb64x2yw-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=22&system=aarch64-linux'
building '/nix/store/3fb2kgw4q3c7yj8zl2xx6b9w06b4lv9n-iets-fuzz-diff-0.0.0.drv' on farm.numtide.com:50051
iets-fuzz-diff-0.0.0> elastic-arm-02023afc: building 3fb2kgw4q3c7yj8zl2xx6b9w06b4lv9n-iets-fuzz-diff-0.0.0.drv
building '/nix/store/vbzrw9jgbsba8wxkd8ylsskvnb64x2yw-iets-fuzzers-0.0.0.drv' on farm.numtide.com:50051
iets-fuzzers-0.0.0> elastic-arm-02023afc: building vbzrw9jgbsba8wxkd8ylsskvnb64x2yw-iets-fuzzers-0.0.0.drv
iets-fuzzers-0.0.0> Running phase: unpackPhase
iets-fuzzers-0.0.0> unpacking source archive /nix/store/106awinbkv1az7pqhhhirwi1ibpcr6bx-source
iets-fuzz-diff-0.0.0> Running phase: unpackPhase
iets-fuzz-diff-0.0.0> unpacking source archive /nix/store/106awinbkv1az7pqhhhirwi1ibpcr6bx-source
iets-fuzz-diff-0.0.0> source root is source
iets-fuzzers-0.0.0> source root is source
iets-fuzzers-0.0.0> Running phase: patchPhase
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-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-fuzz-diff-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> 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 54.97s
iets-fuzz-diff-0.0.0> searching for bins/libs to install from cargo build log at cargoBuildLogtPH5.json
iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/conformance-adapter in postBuildInstallFromCargoBuildLogOutTempfag/bin
iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/fuzz-diff in postBuildInstallFromCargoBuildLogOutTempfag/bin
iets-fuzz-diff-0.0.0> searching for bins/libs complete
iets-fuzz-diff-0.0.0> buildPhase completed in 55 seconds
iets-fuzz-diff-0.0.0> Running phase: installPhase
iets-fuzz-diff-0.0.0> actually installing contents of postBuildInstallFromCargoBuildLogOutTempfag to /nix/store/9xnhz5xqdgrfg5g5m0r6dc1m2rx4601s-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/9xnhz5xqdgrfg5g5m0r6dc1m2rx4601s-iets-fuzz-diff-0.0.0/bin/conformance-adapter
iets-fuzz-diff-0.0.0> /nix/store/9xnhz5xqdgrfg5g5m0r6dc1m2rx4601s-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/9xnhz5xqdgrfg5g5m0r6dc1m2rx4601s-iets-fuzz-diff-0.0.0
iets-fuzz-diff-0.0.0> shrinking /nix/store/9xnhz5xqdgrfg5g5m0r6dc1m2rx4601s-iets-fuzz-diff-0.0.0/bin/fuzz-diff
iets-fuzz-diff-0.0.0> shrinking /nix/store/9xnhz5xqdgrfg5g5m0r6dc1m2rx4601s-iets-fuzz-diff-0.0.0/bin/conformance-adapter
iets-fuzz-diff-0.0.0> checking for references to /build/ in /nix/store/9xnhz5xqdgrfg5g5m0r6dc1m2rx4601s-iets-fuzz-diff-0.0.0...
iets-fuzz-diff-0.0.0> patching script interpreter paths in /nix/store/9xnhz5xqdgrfg5g5m0r6dc1m2rx4601s-iets-fuzz-diff-0.0.0
iets-fuzz-diff-0.0.0> stripping (with command strip and flags -S -p) in /nix/store/9xnhz5xqdgrfg5g5m0r6dc1m2rx4601s-iets-fuzz-diff-0.0.0/bin
iets-fuzzers-0.0.0>     Finished `release` profile [optimized + debuginfo] target(s) in 5m 05s
iets-fuzzers-0.0.0> buildPhase completed in 5 minutes 6 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/c0057hr70rcgqbb6f3cy4m4pdza9vbdl-iets-fuzzers-0.0.0/target.tar.zst
iets-fuzzers-0.0.0> /*stdin*\            : 23.40%   (  1.10 GiB =>    263 MiB, /nix/store/c0057hr70rcgqbb6f3cy4m4pdza9vbdl-iets-fuzzers-0.0.0/target.tar.zst) 
building '/nix/store/mw39dysax398x8dqphbmnv8kl067dnhg-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=22&system=aarch64-linux'
warning: mw39dysax398x8dqphbmnv8kl067dnhg-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
mw39dysax398x8dqphbmnv8kl067dnhg-iets-fuzz-drv-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/mw39dysax398x8dqphbmnv8kl067dnhg-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=22&system=aarch64-linux' failed: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: Cannot build '/nix/store/mw39dysax398x8dqphbmnv8kl067dnhg-iets-fuzz-drv-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/rwgnm5h4binhmqj72b8hxz4k1l4kgir7-iets-fuzz-drv-check