build: failure in `Check Examples` from #825

[kzall0c]

There are build failure issue.

• https://github.com/aya-rs/book/actions/runs/10295865237/job/28503255247

error: "/home/runner/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/Cargo.lock" does not exist, unable to build with the standard library, try:
        rustup component add rust-src --toolchain nightly-x86_64-unknown-linux-gnu
thread 'main' panicked at xtask/src/build_ebpf.rs:65:5:
assertion failed: status.success()
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Error: Process completed with exit code 101.

[tyrone-wu]

A fix was just pushed yesterday rust-lang/cargo#14370, so the issue should be resolved in the next nightly.

[kzall0c]

Thank you @tyrone-wu , I checked the build success after #827 build.

Close this issue.