Support proper locating of Nest.toml; Cleanup.

src/nest.rs

@@ -11,14 +11,8 @@ use anyhow::Context;
 use semver::Version;
 use serde::{Deserialize, Serialize};
 
-pub static NEST: LazyLock<anyhow::Result<Nest>> = LazyLock::new(|| {
-    Nest::try_from(
-        PROJECT_ROOT
-            .lock()
-            .expect("Failed to lock mutex")
-            .join(F_NEST_TOML.as_path()),
-    )
-});
+pub static NEST: LazyLock<anyhow::Result<Nest>> =
+    LazyLock::new(|| Nest::try_from(PROJECT_ROOT.join(F_NEST_TOML.as_path())));
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
 pub struct Nest {
@@ -133,16 +127,12 @@ impl Class {
         // If the source file exists, hasn't been moved to a package (path is a file) and
         // the associated compiled class file exists in DIR_TARGET
         PROJECT_ROOT
-            .lock()
-            .expect("Failed to lock mutex")
             .join(DIR_TARGET.as_path())
             .join(self.name.as_path())
             .with_extension(JAVA_EXT_CLASS)
             .exists()
             && sha256::try_digest(
                 PROJECT_ROOT
-                    .lock()
-                    .expect("Failed to lock mutex")
                     .join(if self.test {
                         DIR_TEST.clone()
                     } else {