what about musl?

Author: UebelAndre

rust/repositories.bzl

@@ -42,13 +42,13 @@ load_arbitrary_tool = _load_arbitrary_tool
 DEFAULT_TOOLCHAIN_TRIPLES = {
     "aarch64-apple-darwin": "rust_macos_aarch64",
     "aarch64-pc-windows-msvc": "rust_windows_aarch64",
-    "aarch64-unknown-linux-gnu": "rust_linux_aarch64",
-    "powerpc64le-unknown-linux-gnu": "rust_linux_powerpc64le",
-    "s390x-unknown-linux-gnu": "rust_linux_s390x",
+    "aarch64-unknown-linux-musl": "rust_linux_aarch64",
+    "powerpc64le-unknown-linux-musl": "rust_linux_powerpc64le",
+    "s390x-unknown-linux-musl": "rust_linux_s390x",
     "x86_64-apple-darwin": "rust_macos_x86_64",
     "x86_64-pc-windows-msvc": "rust_windows_x86_64",
     "x86_64-unknown-freebsd": "rust_freebsd_x86_64",
-    "x86_64-unknown-linux-gnu": "rust_linux_x86_64",
+    "x86_64-unknown-linux-musl": "rust_linux_x86_64",
 }
 
 _COMPACT_WINDOWS_NAMES = True