these 4 derivations will be built:
  /nix/store/9jgnr4dfvzjrxm9595gfa2wa16nsm5gv-iets-0.2.0.drv
  /nix/store/gdgfaiyzijxp79b580fb0ni2alwz5dq4-iets-fuzz-diff-0.0.0.drv
  /nix/store/mhlicrimn0ssyv013lixi582pzs1l5pv-iets-conformance-adapter.drv
  /nix/store/w773m9qhdg2jdy5cb233ydqrfh12xkg3-nix-conformance-iets.drv
building '/nix/store/gdgfaiyzijxp79b580fb0ni2alwz5dq4-iets-fuzz-diff-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/gdgfaiyzijxp79b580fb0ni2alwz5dq4-iets-fuzz-diff-0.0.0.drv' on farm.numtide.com:50051
iets-fuzz-diff-0.0.0> elastic-arm-23d67df9: building gdgfaiyzijxp79b580fb0ni2alwz5dq4-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/il5ky85m9p58125rfpyh5zf514k165qy-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-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-fuzz-diff-0.0.0>    Compiling iets-fuzz v0.0.0 (/build/source/fuzz)