fix(foundry-compiler): was throwing error if no build info was already there

Author: 0xmemorygrinder

libs/foundry-wrapper/src/error.rs

@@ -28,4 +28,7 @@ pub enum Error {
 
     #[error("Cannot read build info file")]
     ReadBuildInfo(#[from] std::io::Error),
+
+    #[error("filesystem error: {0}")]
+    FileSystemError(std::io::Error),
 }

libs/foundry-wrapper/src/output.rs

@@ -9,7 +9,12 @@ use std::path::PathBuf;
 pub fn remove_previous_outputs(base_path: &str) -> Result<(), Error> {
     let build_info_path = format!("{}/out/build-info", base_path);
 
-    remove_dir_all(&build_info_path)?;   
+    let res = remove_dir_all(&build_info_path);   
+    if let Err(e) = res {
+        if e.kind() != io::ErrorKind::NotFound {
+            return Err(Error::FileSystemError(e));
+        }
+    }
     Ok(())
 }