Running clippy again found two more improvements.

Missed a manual memcpy loop in engine-object-file.

CompilerType::enabled() is a Vec<>, so just use is_empty() instead of trying to generically determine whether an Iter is empty.

lib/cli/src/commands/run.rs

@@ -80,7 +80,7 @@ impl Run {
             format!(
                 "failed to run `{}`{}",
                 self.path.display(),
-                if CompilerType::enabled().iter().next().is_none() {
+                if CompilerType::enabled().is_empty() {
                     " (no compilers enabled)"
                 } else {
                     ""

lib/engine-object-file/src/artifact.rs

@@ -295,9 +295,6 @@ impl ObjectFileArtifact {
         let mut byte_buffer = [0u8; WORD_SIZE];
 
         let mut cur_offset = data_len + 10;
-        for i in 0..WORD_SIZE {
-            byte_buffer[i] = bytes[cur_offset + i];
-        }
         byte_buffer[0..WORD_SIZE].clone_from_slice(&bytes[cur_offset..(cur_offset + WORD_SIZE)]);
         cur_offset += WORD_SIZE;