these 3 derivations will be built:
  /nix/store/vy0xvrkbkh867g24hfyfazwp3sz97gim-iets-fuzz-diff-0.0.0.drv
  /nix/store/znx1j7xqss0jj3439za5r10h81jbh4yi-iets-fuzzers-0.0.0.drv
  /nix/store/zda4dl122rf8akdw4ri8njfdyv1wqmh0-iets-fuzz-nar-check.drv
building '/nix/store/vy0xvrkbkh867g24hfyfazwp3sz97gim-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=20&system=aarch64-linux'
building '/nix/store/vy0xvrkbkh867g24hfyfazwp3sz97gim-iets-fuzz-diff-0.0.0.drv' on farm.numtide.com:50051
iets-fuzz-diff-0.0.0> elastic-arm-e65ee682: building vy0xvrkbkh867g24hfyfazwp3sz97gim-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/nc2cs5wqbjd5qggii1yphc4i166dqd1m-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/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/1sc4yqjhbrza0jr0lszjpspl44sg91vb-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)