these 4 derivations will be built:
  /nix/store/25gv80vkncdll4lc8rs303bx873d6wb7-iets-0.1.0.drv
  /nix/store/7krpv9v2n88kk0m94i810srrsr3q1g90-iets-fuzz-diff-0.0.0.drv
  /nix/store/5av0nvfik6kxipi6k6c5f8x6cfci63ak-iets-conformance-adapter.drv
  /nix/store/1cjwpp5ijk3z0pgfcvin9c2gk434s32h-nix-conformance-iets.drv
building '/nix/store/25gv80vkncdll4lc8rs303bx873d6wb7-iets-0.1.0.drv'
building '/nix/store/7krpv9v2n88kk0m94i810srrsr3q1g90-iets-fuzz-diff-0.0.0.drv'
iets-0.1.0> Running phase: unpackPhase
iets-0.1.0> unpacking source archive /nix/store/jr920kdp0yhmm57r0i26g1pwysfx7vj4-source
iets-0.1.0> source root is source
iets-0.1.0> Running phase: patchPhase
iets-0.1.0> Executing configureCargoCommonVars
iets-0.1.0> decompressing cargo artifacts from /nix/store/kfanyjd5g4q1im4rbz0pskkw6y97afza-iets-deps-0.1.0/target.tar.zst to target
iets-fuzz-diff-0.0.0> Running phase: unpackPhase
iets-fuzz-diff-0.0.0> unpacking source archive /nix/store/i22r0ajd1gpbiiwf6w06j6vdiwb479sl-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/y9ffqnb72kc0sz0vajbsgx3l1nw1rjw9-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/jf539s6aj5rv1ckzf2ni4xn5nbgbc2gv-iets-fuzz-diff-deps-0.0.0/target.tar.zst to target
iets-0.1.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
iets-0.1.0> Running phase: configurePhase
iets-0.1.0> will append /build/source/.cargo-home/config.toml with contents of /nix/store/jg86zllj9qviys82h6gvd85qkaq5v7l1-vendor-cargo-deps/config.toml
iets-0.1.0> default configurePhase, nothing to do
iets-0.1.0> Running phase: buildPhase
iets-0.1.0> +++ command cargo --version
iets-0.1.0> cargo 1.98.0 (797e8a9bc 2026-08-05)
iets-0.1.0> +++ command cargo build --release --message-format json-render-diagnostics --locked
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/3rxpjpb3cbpcmfq0rvl5hgjymdfm2l2z-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 v0.1.0 (/build/source)
iets-0.1.0>    Compiling iets v0.1.0 (/build/source)
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 5m 08s
iets-fuzz-diff-0.0.0> searching for bins/libs to install from cargo build log at cargoBuildLogKXv8.json
iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/conformance-adapter in postBuildInstallFromCargoBuildLogOutTempomc/bin
iets-fuzz-diff-0.0.0> installing /build/source/fuzz/target/release/fuzz-diff in postBuildInstallFromCargoBuildLogOutTempomc/bin
iets-fuzz-diff-0.0.0> searching for bins/libs complete
iets-fuzz-diff-0.0.0> buildPhase completed in 5 minutes 9 seconds
iets-fuzz-diff-0.0.0> Running phase: installPhase
iets-fuzz-diff-0.0.0> actually installing contents of postBuildInstallFromCargoBuildLogOutTempomc to /nix/store/is4xicgxjfzdl4yv0kd52i00y70ga6dq-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/53lvgpxsb3b9ghkgb4v0jra6zzlnyw8n-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/is4xicgxjfzdl4yv0kd52i00y70ga6dq-iets-fuzz-diff-0.0.0/bin/conformance-adapter
iets-fuzz-diff-0.0.0> /nix/store/is4xicgxjfzdl4yv0kd52i00y70ga6dq-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/is4xicgxjfzdl4yv0kd52i00y70ga6dq-iets-fuzz-diff-0.0.0
iets-fuzz-diff-0.0.0> shrinking /nix/store/is4xicgxjfzdl4yv0kd52i00y70ga6dq-iets-fuzz-diff-0.0.0/bin/fuzz-diff
iets-fuzz-diff-0.0.0> shrinking /nix/store/is4xicgxjfzdl4yv0kd52i00y70ga6dq-iets-fuzz-diff-0.0.0/bin/conformance-adapter
iets-fuzz-diff-0.0.0> checking for references to /build/ in /nix/store/is4xicgxjfzdl4yv0kd52i00y70ga6dq-iets-fuzz-diff-0.0.0...
iets-fuzz-diff-0.0.0> patching script interpreter paths in /nix/store/is4xicgxjfzdl4yv0kd52i00y70ga6dq-iets-fuzz-diff-0.0.0
iets-fuzz-diff-0.0.0> stripping (with command strip and flags -S -p) in /nix/store/is4xicgxjfzdl4yv0kd52i00y70ga6dq-iets-fuzz-diff-0.0.0/bin
iets-0.1.0>     Finished `release` profile [optimized + debuginfo] target(s) in 15m 35s
iets-0.1.0> searching for bins/libs to install from cargo build log at cargoBuildLogIk0z.json
iets-0.1.0> installing /build/source/target/release/iets in postBuildInstallFromCargoBuildLogOutTempy9B/bin
iets-0.1.0> searching for bins/libs complete
iets-0.1.0> buildPhase completed in 15 minutes 37 seconds
iets-0.1.0> Running phase: installPhase
iets-0.1.0> actually installing contents of postBuildInstallFromCargoBuildLogOutTempy9B to /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0
iets-0.1.0> stripping references to Rust toolchain
iets-0.1.0> Rust toolchain at: /nix/store/53lvgpxsb3b9ghkgb4v0jra6zzlnyw8n-rustc-1.98.1
iets-0.1.0> stripping Rust toolchain references done
iets-0.1.0> stripping references to cargoVendorDir from:
iets-0.1.0> /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0/bin/iets
iets-0.1.0> /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0/share/bash-completion/completions/iets.bash
iets-0.1.0> /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0/share/elvish/lib/iets.elv
iets-0.1.0> /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0/share/fish/vendor_completions.d/iets.fish
iets-0.1.0> /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0/share/nushell/vendor/autoload/iets.nu
iets-0.1.0> /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0/share/powershell/completions/iets.ps1
iets-0.1.0> /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0/share/zsh/site-functions/_iets
iets-0.1.0> stripping references done
iets-0.1.0> Running phase: fixupPhase
iets-0.1.0> shrinking RPATHs of ELF executables and libraries in /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0
iets-0.1.0> shrinking /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0/bin/iets
iets-0.1.0> checking for references to /build/ in /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0...
iets-0.1.0> patching script interpreter paths in /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0
iets-0.1.0> stripping (with command strip and flags -S -p) in /nix/store/fsysij9n31j2zswyx5pyx8i299f5sbam-iets-0.1.0/bin
building '/nix/store/5av0nvfik6kxipi6k6c5f8x6cfci63ak-iets-conformance-adapter.drv'
iets-conformance-adapter> structuredAttrs is enabled
building '/nix/store/1cjwpp5ijk3z0pgfcvin9c2gk434s32h-nix-conformance-iets.drv'
nix-conformance-iets> SKIP lang/eval-okay-closure.nix
nix-conformance-iets> SKIP lang/eval-okay-functionargs.nix
error: timed out after 1200 seconds