rust - https://github.com/rust-lang/rust

Age	Commit message (Expand)	Author	Lines
2016-03-31	allow RUST_BACKTRACE=0 to act as if unset	Emanuel Czirai	-8/+17
2016-01-29	don't leak RUST_BACKTRACE into test process	Oliver Schneider	-1/+4
2016-01-26	Add message about RUST_BACKTRACE to default output of panic!	Johannes Oertel	-0/+30