Replace toml_edit with toml crate

Cargo.toml

@@ -52,7 +52,6 @@ dirs = { version = "3.0.1", optional = true }
 configparser = { version = "2.0.0", optional = true }
 fs-err = "2.5.0"
 fat-macho = "0.4.3"
-toml_edit = "0.2.0"
 once_cell = "1.7.2"
 scroll = "0.10.2"
 target-lexicon = "0.12.0"

src/source_distribution.rs

@@ -27,7 +27,7 @@ fn rewrite_cargo_toml(
         "Can't read Cargo.toml at {}",
         manifest_path.as_ref().display(),
     ))?;
-    let mut data = text.parse::<toml_edit::Document>().context(format!(
+    let mut data = toml::from_str::<toml::value::Table>(&text).context(format!(
         "Failed to parse Cargo.toml at {}",
         manifest_path.as_ref().display()
     ))?;
@@ -37,11 +37,14 @@ fn rewrite_cargo_toml(
     //                          ^^^^^^^^^^^^^^^^^^ table[&dep_name]["path"]
     // ^^^^^^^^^^^^^ dep_name
     for dep_category in &["dependencies", "dev-dependencies", "build-dependencies"] {
-        if let Some(table) = data[&dep_category].as_table_mut() {
+        if let Some(table) = data
+            .get_mut(&dep_category.to_string())
+            .and_then(|x| x.as_table_mut())
+        {
             let dep_names: Vec<_> = table.iter().map(|(key, _)| key.to_string()).collect();
             for dep_name in dep_names {
                 // There should either be no value for path, or it should be a string
-                if table[&dep_name]["path"].is_none() {
+                if table.get(&dep_name).and_then(|x| x.get("path")).is_none() {
                     continue;
                 }
                 if !table[&dep_name]["path"].is_str() {
@@ -54,10 +57,10 @@ fn rewrite_cargo_toml(
                 }
                 // This is the location of the targeted crate in the source distribution
                 table[&dep_name]["path"] = if root_crate {
-                    toml_edit::value(format!("{}/{}", LOCAL_DEPENDENCIES_FOLDER, dep_name))
+                    format!("{}/{}", LOCAL_DEPENDENCIES_FOLDER, dep_name).into()
                 } else {
                     // Cargo.toml contains relative paths, and we're already in LOCAL_DEPENDENCIES_FOLDER
-                    toml_edit::value(format!("../{}", dep_name))
+                    format!("../{}", dep_name).into()
                 };
                 if !known_path_deps.contains_key(&dep_name) {
                     bail!(
@@ -71,7 +74,7 @@ fn rewrite_cargo_toml(
             }
         }
     }
-    Ok(data.to_string_in_original_order())
+    Ok(toml::to_string(&data)?)
 }
 
 /// Copies the files of a crate to a source distribution, recursively adding path dependencies