Fix rewatch panic on duplicate module name

Author: cknitt

rewatch/src/build.rs

@@ -147,7 +147,7 @@ pub fn initialize_build(
     }
 
     let mut build_state = BuildCommandState::new(project_context, packages, compiler, warn_error);
-    packages::parse_packages(&mut build_state);
+    packages::parse_packages(&mut build_state)?;
 
     let compile_assets_state = read_compile_state::read(&mut build_state)?;
 

rewatch/src/build/clean.rs

@@ -366,7 +366,7 @@ pub fn clean(path: &Path, show_progress: bool, plain_output: bool) -> Result<()>
 
     let timing_clean_mjs = Instant::now();
     let mut build_state = BuildState::new(project_context, packages, compiler_info);
-    packages::parse_packages(&mut build_state);
+    packages::parse_packages(&mut build_state)?;
     let root_config = build_state.get_root_config();
     let suffix_for_print = match root_config.package_specs {
         None => match &root_config.suffix {