Bump rust version. (#5274)
Bump rust version. (#5274)


UnrememberMe/pants,benjyw/pants,baroquebobcat/pants,baroquebobcat/pants,pantsbuild/pants,foursquare/pants,foursquare/pants,baroquebobcat/pants,twitter/pants,UnrememberMe/pants,baroquebobcat/pants,twitter/pants,wisechengyi/pants,foursquare/pants,benjyw/pants,foursquare/pants,foursquare/pants,wisechengyi/pants,benjyw/pants,benjyw/pants,foursquare/pants,pantsbuild/pants,pantsbuild/pants,wisechengyi/pants,baroquebobcat/pants,UnrememberMe/pants,UnrememberMe/pants,foursquare/pants,tdyas/pants,UnrememberMe/pants,benjyw/pants,tdyas/pants,UnrememberMe/pants,wisechengyi/pants,pantsbuild/pants,benjyw/pants,twitter/pants,jsirois/pants,foursquare/pants,UnrememberMe/pants,wisechengyi/pants,baroquebobcat/pants,tdyas/pants,tdyas/pants,tdyas/pants,twitter/pants,wisechengyi/pants,twitter/pants,pantsbuild/pants,wisechengyi/pants,twitter/pants,pantsbuild/pants,tdyas/pants,tdyas/pants,tdyas/pants,baroquebobcat/pants,tdyas/pants,jsirois/pants,wisechengyi/pants,twitter/pants,UnrememberMe/pants,UnrememberMe/pants,baroquebobcat/pants,wisechengyi/pants,twitter/pants,jsirois/pants,pantsbuild/pants,foursquare/pants,benjyw/pants,twitter/pants,baroquebobcat/pants