Running phase: unpackPhase
unpacking source archive /nix/store/kz34ik3dpzi1hrnskl8jdn5xh47akmfp-source
source root is source
Running phase: patchPhase
Executing configureCargoCommonVars
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NOTICE: setting the following environment variables for cross-compilation purposes
 - if this is unwanted, you can set them to a non-empty value
 - alternatively, you can disable the built-in cross compilation support
   by setting `doIncludeCrossToolchainEnv = false` in the derivation
AR_X86_64_UNKNOWN_LINUX_GNU=/nix/store/z4c6k0mrlkwl3s4w9ysxc8vq1wylm3ms-gcc-wrapper-15.3.0/bin/ar
AR_X86_64_UNKNOWN_LINUX_MUSL=/nix/store/fpj9xnxp4apb9fydh7pj35gw8h6hdkk0-x86_64-unknown-linux-musl-gcc-wrapper-15.3.0/bin/x86_64-unknown-linux-musl-ar
CARGO_BUILD_TARGET=x86_64-unknown-linux-musl
CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER=/nix/store/z4c6k0mrlkwl3s4w9ysxc8vq1wylm3ms-gcc-wrapper-15.3.0/bin/cc
CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_LINKER=/nix/store/fpj9xnxp4apb9fydh7pj35gw8h6hdkk0-x86_64-unknown-linux-musl-gcc-wrapper-15.3.0/bin/x86_64-unknown-linux-musl-cc
CC_X86_64_UNKNOWN_LINUX_GNU=/nix/store/z4c6k0mrlkwl3s4w9ysxc8vq1wylm3ms-gcc-wrapper-15.3.0/bin/cc
CC_X86_64_UNKNOWN_LINUX_MUSL=/nix/store/fpj9xnxp4apb9fydh7pj35gw8h6hdkk0-x86_64-unknown-linux-musl-gcc-wrapper-15.3.0/bin/x86_64-unknown-linux-musl-cc
CXX_X86_64_UNKNOWN_LINUX_GNU=/nix/store/z4c6k0mrlkwl3s4w9ysxc8vq1wylm3ms-gcc-wrapper-15.3.0/bin/c++
CXX_X86_64_UNKNOWN_LINUX_MUSL=/nix/store/fpj9xnxp4apb9fydh7pj35gw8h6hdkk0-x86_64-unknown-linux-musl-gcc-wrapper-15.3.0/bin/x86_64-unknown-linux-musl-c++
HOST_AR=/nix/store/z4c6k0mrlkwl3s4w9ysxc8vq1wylm3ms-gcc-wrapper-15.3.0/bin/ar
HOST_CC=/nix/store/z4c6k0mrlkwl3s4w9ysxc8vq1wylm3ms-gcc-wrapper-15.3.0/bin/cc
HOST_CXX=/nix/store/z4c6k0mrlkwl3s4w9ysxc8vq1wylm3ms-gcc-wrapper-15.3.0/bin/c++
TARGET_AR=/nix/store/fpj9xnxp4apb9fydh7pj35gw8h6hdkk0-x86_64-unknown-linux-musl-gcc-wrapper-15.3.0/bin/x86_64-unknown-linux-musl-ar
TARGET_CC=/nix/store/fpj9xnxp4apb9fydh7pj35gw8h6hdkk0-x86_64-unknown-linux-musl-gcc-wrapper-15.3.0/bin/x86_64-unknown-linux-musl-cc
TARGET_CXX=/nix/store/fpj9xnxp4apb9fydh7pj35gw8h6hdkk0-x86_64-unknown-linux-musl-gcc-wrapper-15.3.0/bin/x86_64-unknown-linux-musl-c++
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decompressing cargo artifacts from /nix/store/4nnbdqb0nbfa7xwj6a1kyww68hbn11bj-iets-deps-static-x86_64-unknown-linux-musl-0.1.0/target.tar.zst to target
patchPhase completed in 1 minutes 18 seconds
Running phase: updateAutotoolsGnuConfigScriptsPhase
Running phase: configurePhase
will append /build/source/.cargo-home/config.toml with contents of /nix/store/kcp4b936hbdmdqyk70cz6fyd4gnf3msb-vendor-cargo-deps/config.toml
default configurePhase, nothing to do
Running phase: buildPhase
+++ command cargo --version
cargo 1.98.0 (797e8a9bc 2026-08-05)
+++ command cargo build --release --message-format json-render-diagnostics --locked
   Compiling iets v0.1.0 (/build/source)