build failure on i686

[ming1]

Rustix building on i686 failed:

Running /home/runner/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/rustc --crate-name rustix --edition=2021 /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustix-0.38.37/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --warn=unexpected_cfgs --check-cfg 'cfg(alloc_c_string)' --check-cfg 'cfg(alloc_ffi)' --check-cfg 'cfg(apple)' --check-cfg 'cfg(asm_experimental_arch)' --check-cfg 'cfg(bsd)' --check-cfg 'cfg(core_c_str)' --check-cfg 'cfg(core_ffi_c)' --check-cfg 'cfg(core_intrinsics)' --check-cfg 'cfg(criterion)' --check-cfg 'cfg(document_experimental_runtime_api)' --check-cfg 'cfg(fix_y2038)' --check-cfg 'cfg(freebsdlike)' --check-cfg 'cfg(libc)' --check-cfg 'cfg(linux_kernel)' --check-cfg 'cfg(linux_like)' --check-cfg 'cfg(linux_raw)' --check-cfg 'cfg(netbsdlike)' --check-cfg 'cfg(rustc_attrs)' --check-cfg 'cfg(solarish)' --check-cfg 'cfg(staged_api)' --check-cfg 'cfg(static_assertions)' --check-cfg 'cfg(thumb_mode)' --check-cfg 'cfg(wasi)' --check-cfg 'cfg(wasi_ext)' --check-cfg 'cfg(target_arch, values("xtensa"))' --cfg 'feature="alloc"' --cfg 'feature="fs"' --cfg 'feature="libc-extra-traits"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("all-apis", "alloc", "cc", "compiler_builtins", "core", "default", "event", "fs", "io_uring", "itoa", "libc", "libc-extra-traits", "libc_errno", "linux_4_11", "linux_latest", "mm", "mount", "net", "once_cell", "param", "pipe", "process", "procfs", "pty", "rand", "runtime", "rustc-dep-of-std", "rustc-std-workspace-alloc", "shm", "std", "stdio", "system", "termios", "thread", "time", "try_close", "use-explicitly-provided-auxv", "use-libc", "use-libc-auxv"))' -C metadata=9b2fbe7903156ece -C extra-filename=-9b2fbe7903156ece --out-dir /home/runner/work/libublk-rs/libublk-rs/target/debug/deps -L dependency=/home/runner/work/libublk-rs/libublk-rs/target/debug/deps --extern bitflags=/home/runner/work/libublk-rs/libublk-rs/target/debug/deps/libbitflags-2a54fc7d8f815a15.rmeta --extern linux_raw_sys=/home/runner/work/libublk-rs/libublk-rs/target/debug/deps/liblinux_raw_sys-b77fbec2cd3ef233.rmeta --cap-lints allow --cfg static_assertions --cfg linux_raw --cfg linux_like --cfg linux_kernel Running /home/runner/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/rustc --crate-name rustix --edition=2018 /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustix-0.37.27/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="fs"' --cfg 'feature="io-lifetimes"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("all-apis", "all-impls", "alloc", "cc", "compiler_builtins", "core", "default", "fs", "fs-err", "io-lifetimes", "io_uring", "itoa", "libc", "libc_errno", "linux_4_11", "linux_latest", "mm", "net", "once_cell", "os_pipe", "param", "process", "procfs", "pty", "rand", "runtime", "rustc-dep-of-std", "std", "termios", "thread", "time", "use-libc", "use-libc-auxv"))' -C metadata=e088a2761abc7c6e -C extra-filename=-e088a2761abc7c6e --out-dir /home/runner/work/libublk-rs/libublk-rs/target/i686-unknown-linux-gnu/debug/deps --target i686-unknown-linux-gnu -L dependency=/home/runner/work/libublk-rs/libublk-rs/target/i686-unknown-linux-gnu/debug/deps -L dependency=/home/runner/work/libublk-rs/libublk-rs/target/debug/deps --extern bitflags=/home/runner/work/libublk-rs/libublk-rs/target/i686-unknown-linux-gnu/debug/deps/libbitflags-c2726dea9205a036.rmeta --extern io_lifetimes=/home/runner/work/libublk-rs/libublk-rs/target/i686-unknown-linux-gnu/debug/deps/libio_lifetimes-c5fbefa3f481abb4.rmeta --extern linux_raw_sys=/home/runner/work/libublk-rs/libublk-rs/target/i686-unknown-linux-gnu/debug/deps/liblinux_raw_sys-47fbf4ab65ba5657.rmeta --cap-lints allow --cfg rustc_attrs --cfg linux_raw --cfg core_intrinsics --cfg asm --cfg naked_functions --cfg linux_like --cfg linux_kernel error[E0787]: the asm! macro is not allowed in naked functions --> /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustix-0.37.27/src/backend/linux_raw/vdso_wrappers.rs:302:5 | 302 | asm!("int $$0x80", "ret", options(noreturn)) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider using the naked_asm! macro instead