Fix clippy warnings

.gitignore

@@ -3,4 +3,3 @@ target/
 /.idea
 tarpaulin-report.html
 crates/**/Cargo.lock
-crates/texlab_citeproc/src/name/parser.rs

crates/texlab_citeproc/build.rs

@@ -1,6 +1,3 @@
 fn main() {
-    lalrpop::Configuration::new()
-        .generate_in_source_tree()
-        .process()
-        .unwrap();
+    lalrpop::process_root().unwrap();
 }

crates/texlab_citeproc/src/name/mod.rs

@@ -1,7 +1,10 @@
 // Ported from: https://github.com/michel-kraemer/citeproc-java/blob/master/citeproc-java/grammars/InternalName.g4
 // Michel Kraemer
 // Apache License 2.0
-mod parser;
+mod parser {
+    #![allow(warnings)]
+    include!(concat!(env!("OUT_DIR"), "/name/parser.rs"));
+}
 
 use self::parser::NamesParser;
 use citeproc_io::Name;

crates/texlab_citeproc/src/ris.rs

@@ -226,8 +226,8 @@ impl RisLibrary {
                 continue;
             }
 
-            let key: String = (&chars[..2]).into_iter().collect();
-            let value: String = (&chars[6..]).into_iter().collect();
+            let key: String = (&chars[..2]).iter().collect();
+            let value: String = (&chars[6..]).iter().collect();
             match key.to_uppercase().as_str() {
                 "TY" => reference.ty = RisType::parse(&value),
                 "A2" => reference.editors.push(value),