Bump measureme version for testing.

Author: michaelwoerister

src/librustc/Cargo.toml

@@ -36,7 +36,7 @@ byteorder = { version = "1.1", features = ["i128"]}
 chalk-engine = { version = "0.9.0", default-features=false }
 rustc_fs_util = { path = "../librustc_fs_util" }
 smallvec = { version = "0.6.7", features = ["union", "may_dangle"] }
-measureme = "0.2.0"
+measureme = "0.2.1"
 
 # Note that these dependencies are a lie, they're just here to get linkage to
 # work.