fix warning

Author: newpavlov

src/backends/wasi_p2_3.rs

@@ -6,7 +6,7 @@ use core::{mem::MaybeUninit, ptr::copy_nonoverlapping};
 #[cfg(not(target_env = "p3"))]
 compile_error!("Unknown version of WASI (only previews 1, 2 and 3 are supported)");
 
-// We use manual bindings to prevent Cargo.lock bloat.
+// Use manual bindings instead of `wasip2/3` crates to prevent Cargo.lock bloat.
 //
 // Technically, such manual bindings may not work since we also have to provide
 // type information which is expected by `wasm-component-ld`, but we assume that
@@ -16,7 +16,8 @@ compile_error!("Unknown version of WASI (only previews 1, 2 and 3 are supported)
 // See https://github.com/rust-random/getrandom/pull/828 for more information.
 #[cfg_attr(target_env = "p2", link(wasm_import_module = "wasi:random/random@0.2.0"))]
 // TODO: drop the RC part on full WASIp3 release
-#[cfg_attr(target_env = "p3", link(wasm_import_module = "wasi:random/random@0.3.0-rc-2026-01-06"))]
+// TODO(MSRV-1.92): Use `target_env = "p3"`
+#[cfg_attr(not(target_env = "p2"), link(wasm_import_module = "wasi:random/random@0.3.0-rc-2026-01-06"))]
 unsafe extern "C" {
     #[link_name = "get-random-u64"]
     safe fn get_random_u64() -> u64;