embedded: Fix the build command doc

We need to use the nightly toolchain to run the embedded tests, document it appropriately.
rust-bitcoin · Aug 1, 2023 · 581a913 · 581a913
1 parent d998236
commit 581a913
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/embedded/no-allocator/src/main.rs b/embedded/no-allocator/src/main.rs
@@ -1,6 +1,6 @@
 //! Test `no_std` build of `bech32`.
 //!
-//! Build with: `cargo rustc -- -C link-arg=-nostartfiles`.
+//! Build with: `cargo +nightly rustc -- -C link-arg=-nostartfiles`.
 //!
 
 #![feature(alloc_error_handler)]