--- a/src/primitives.rs	Fri Jun 07 18:15:13 2019 +0200
+++ b/src/primitives.rs	Fri Jun 07 18:22:19 2019 +0200
@@ -382,9 +382,7 @@
         {
             time_test!("parse-int with static buffer");
             for _ in 0..1000 {
-                let h = ps.hold();
                 let _ = p.parse(&mut ps);
-                ps.reset(h);
             }
         }
 
@@ -395,9 +393,7 @@
         {
             time_test!("parse-int with dynamic buffer");
             for _ in 0..1000 {
-                let h = ps.hold();
                 let _ = p.parse(&mut ps);
-                ps.reset(h);
             }
         }
     }
@@ -413,9 +409,7 @@
         {
             time_test!("parse-float with combinators");
             for _ in 0..1000 {
-                let h = ps.hold();
                 let _ = p.parse(&mut ps);
-                ps.reset(h);
             }
         }
     }

--- a/src/state.rs	Fri Jun 07 18:15:13 2019 +0200
+++ b/src/state.rs	Fri Jun 07 18:22:19 2019 +0200
@@ -146,7 +146,12 @@
                 if self.current < Self::GARBAGE_COLLECT_THRESHOLD {
                     return false;
                 }
-                //println!("GC: Collecting {} elements between {} and {}", self.current-1, self.global, self.global+self.current-1);
+                /*println!(
+                    "GC: Collecting {} elements between {} and {}",
+                    self.current - 1,
+                    self.global - self.current,
+                    self.global - 1
+                );*/
                 // We can collect up to self.current-1.
                 self.buf.rotate_left(self.current - 1);
                 self.buf
@@ -163,7 +168,12 @@
                 if ix < Self::GARBAGE_COLLECT_THRESHOLD {
                     return false;
                 }
-                //println!("GC: Collecting {} elements between {} and {}", ix-1, self.global-self.buf.len()+1, ix-1);
+                /*println!(
+                    "GC: Collecting {} elements between {} and {}",
+                    ix - 1,
+                    self.global - self.buf.len() + 1,
+                    ix - 1
+                );*/
                 self.buf.rotate_left(ix - 1);
                 self.buf.resize(self.buf.len() - ix + 1, 0 as char);
                 self.current = 1;