Don't warn on deprecated trim functions

src/format/parse.rs

@@ -4,6 +4,8 @@
 
 //! Date and time parsing routines.
 
+#![allow(deprecated)]
+
 use std::usize;
 
 use Weekday;

src/format/scan.rs

@@ -5,6 +5,8 @@
  * Various scanning routines for the parser.
  */
 
+#![allow(deprecated)]
+
 use Weekday;
 use super::{ParseResult, TOO_SHORT, INVALID, OUT_OF_RANGE};