Fix previous merge

Author: mntns

src/lib.rs

@@ -518,15 +518,16 @@ pub(crate) fn warn_host_version_mismatch(
 /// 1. Package metadata in the Cargo.toml
 /// 2. If the `CROSS_CONFIG` variable is set, it tries to read the config from its value
 /// 3. Otherwise, the `Cross.toml` in the project root is set.
-fn toml(root: &Root) -> Result<Option<CrossToml>> {
+fn toml(metadata: &CargoMetadata) -> Result<Option<CrossToml>> {
+    let root = &metadata.workspace_root;
     let cross_config_path = match env::var("CROSS_CONFIG") {
         Ok(var) => PathBuf::from(var),
-        Err(_) => metadata.workspace_root.join("Cross.toml"),
+        Err(_) => root.join("Cross.toml"),
     };
 
     // Attempts to read the cross config from the Cargo.toml
     let cargo_toml_str =
-        file::read(root.path().join("Cargo.toml")).wrap_err("failed to read Cargo.toml")?;
+        file::read(root.join("Cargo.toml")).wrap_err("failed to read Cargo.toml")?;
     let cargo_cross_toml_opt = CrossToml::parse_from_cargo(&cargo_toml_str)?;
 
     match (
@@ -554,7 +555,7 @@ fn toml(root: &Root) -> Result<Option<CrossToml>> {
         (false, Some(cfg)) => Ok(Some(cfg)),
         (false, None) => {
             // Checks if there is a lowercase version of this file
-            if root.path().join("cross.toml").exists() {
+            if root.join("cross.toml").exists() {
                 eprintln!("There's a file named cross.toml, instead of Cross.toml. You may want to rename it, or it won't be considered.");
             }