these 6 derivations will be built:
  /nix/store/8q5yf2ygyjrhf0p3zxb7wvh1ba44zjyq-iets-0.1.0.drv
  /nix/store/x9rcxcvj9jphl8k8cb2bamr32div46jm-closure-info.drv
  /nix/store/fphhqrjwmd5n1p8w1yzhgk3kha7n3nq0-test-script.drv
  /nix/store/gmlqfpsmk62a3kbjdcnz40609mpjwxj3-driverConfiguration.json.drv
  /nix/store/2k0nn9xpgaia9nzyc1n6bg2an19hzbz9-nixos-test-driver-iets-cachetest.drv
  /nix/store/wbrvg4myagggbrjm6avbbs2a35ck7i5s-container-test-run-iets-cachetest.drv
building '/nix/store/8q5yf2ygyjrhf0p3zxb7wvh1ba44zjyq-iets-0.1.0.drv'
iets-0.1.0> Running phase: unpackPhase
iets-0.1.0> unpacking source archive /nix/store/46mcibyy4qdnxgjzw1vqqhax68834qff-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/0ms4krblmm536kyh8hw32zw5wy5p50gk-iets-deps-0.1.0/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/a8si5lqcnsxaa7nv2zfpl0vi6iqck9mw-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-0.1.0>    Compiling iets v0.1.0 (/build/source)