Running phase: unpackPhase
unpacking source archive /nix/store/v0qhqx9k88k1njx461qgavzvxjg0m043-source
source root is source
Running phase: patchPhase
Executing configureCargoCommonVars
----------------------------------------------------------------------------------
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/j1938gsbvbhkyz4kbmvjk56r479mkw3s-gcc-wrapper-16.2.0/bin/ar
AR_X86_64_UNKNOWN_LINUX_MUSL=/nix/store/ry23c3qj1kg0cj1hkihhkjsh2xmnzqdn-x86_64-unknown-linux-musl-gcc-wrapper-16.2.0/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/j1938gsbvbhkyz4kbmvjk56r479mkw3s-gcc-wrapper-16.2.0/bin/cc
CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_LINKER=/nix/store/ry23c3qj1kg0cj1hkihhkjsh2xmnzqdn-x86_64-unknown-linux-musl-gcc-wrapper-16.2.0/bin/x86_64-unknown-linux-musl-cc
CC_X86_64_UNKNOWN_LINUX_GNU=/nix/store/j1938gsbvbhkyz4kbmvjk56r479mkw3s-gcc-wrapper-16.2.0/bin/cc
CC_X86_64_UNKNOWN_LINUX_MUSL=/nix/store/ry23c3qj1kg0cj1hkihhkjsh2xmnzqdn-x86_64-unknown-linux-musl-gcc-wrapper-16.2.0/bin/x86_64-unknown-linux-musl-cc
CXX_X86_64_UNKNOWN_LINUX_GNU=/nix/store/j1938gsbvbhkyz4kbmvjk56r479mkw3s-gcc-wrapper-16.2.0/bin/c++
CXX_X86_64_UNKNOWN_LINUX_MUSL=/nix/store/ry23c3qj1kg0cj1hkihhkjsh2xmnzqdn-x86_64-unknown-linux-musl-gcc-wrapper-16.2.0/bin/x86_64-unknown-linux-musl-c++
HOST_AR=/nix/store/j1938gsbvbhkyz4kbmvjk56r479mkw3s-gcc-wrapper-16.2.0/bin/ar
HOST_CC=/nix/store/j1938gsbvbhkyz4kbmvjk56r479mkw3s-gcc-wrapper-16.2.0/bin/cc
HOST_CXX=/nix/store/j1938gsbvbhkyz4kbmvjk56r479mkw3s-gcc-wrapper-16.2.0/bin/c++
TARGET_AR=/nix/store/ry23c3qj1kg0cj1hkihhkjsh2xmnzqdn-x86_64-unknown-linux-musl-gcc-wrapper-16.2.0/bin/x86_64-unknown-linux-musl-ar
TARGET_CC=/nix/store/ry23c3qj1kg0cj1hkihhkjsh2xmnzqdn-x86_64-unknown-linux-musl-gcc-wrapper-16.2.0/bin/x86_64-unknown-linux-musl-cc
TARGET_CXX=/nix/store/ry23c3qj1kg0cj1hkihhkjsh2xmnzqdn-x86_64-unknown-linux-musl-gcc-wrapper-16.2.0/bin/x86_64-unknown-linux-musl-c++
----------------------------------------------------------------------------------
decompressing cargo artifacts from /nix/store/0872gc48kymam8x4cf0ch8nx8zrr6474-iets-deps-static-x86_64-unknown-linux-musl-0.1.0/target.tar.zst to target
Running phase: updateAutotoolsGnuConfigScriptsPhase
Running phase: configurePhase
will append /build/source/.cargo-home/config.toml with contents of /nix/store/ad0zq5zmrj5ri9k8m2ylc9015pjg95i7-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)