CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_RUSTFLAGS is unused key(s)

[xdestiny110]

Checklist

• I've looked through the issues and pull requests for similar reports

Describe your issue

Cross.toml

[target.x86_64-unknown-linux-musl]
image = "musl-openssl:1.0"
CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_RUSTFLAGS = ["-C target-feature=-crt-static"]

When I use cross build --target x86_64-unknown-linux-musl --release, it says

[cross] warning: found unused key(s) in Cross configuration
 > target.x86_64-unknown-linux-musl.cargo_target_x86_64_unknown_linux_musl_rustflags

How can I setup rustflags in order to compile cdylib in musl?

What target(s) are you cross-compiling for?

No response

Which operating system is the host (e.g computer cross is on) running?

• macOS
• Windows
• Linux / BSD
• other OS (specify in description)

What architecture is the host?

• x86_64 / AMD64
• arm32
• arm64 (including Mac M1)

What container engine is cross using?

• docker
• podman
• other container engine (specify in description)

cross version

cross 0.2.5 (d8631fe 2024-08-17)

Example

No response

Additional information / notes

No response

[Emilgardis]

Just set the environment variable RUSTFLAGS like normal!