bors 06bb0e01be Auto merge of #44680 - infinity0:master, r=Mark-Simulacrum
rustbuild: with --no-fail-fast, report the specific commands that failed

I'm not sure this is the most elegant way of doing it, I'm still a bit of a rust noob. I tried `Vec<Command>` and keeping `Cell` instead of `RefCell` but couldn't fight my way past the borrow errors, this was the first arrangement that I could make work.
2017-09-18 23:46:15 +00:00
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