Earlier quoted context omitted.
How about some measurements made with rustc 1.0.0? (There seem to have been plenty of breaking language changes in the last 6 months.)
http://xania.org/201505/on-rust-performance (The "faster" bit isn't important; various reasons might have made C++ slower than Rust for this, but what is important is that perf was comparable)
Do you think a 100 line ray tracer is any more "correlated with real-world performance" than 100 line benchmarks game programs?
What I questioned was Rusky's technical-sounding but apparently unsupported claim that "the benchmarks game's results are not very correlated with real-world performance." For Rusky to know he'd need some kind-of "real-world performance" measurements and a correlation coefficient - neither of which have been shown.