Don't print opt fuel messages to stdout because it breaks Rustbuild#55495

Merged

bors merged 2 commits intorust-lang:masterfrom

wesleywiser:opt_fuel_rustbuild

Nov 7, 2018

Commits on Oct 30, 2018

Don't print opt fuel messages to stdout because it breaks Rustbuild
wesleywiser
committed

Commits on Nov 6, 2018

Add explcit `--error-format` options to tests of print-fuel to sidestep compiletests presumption of JSON.
pnkfelix
committed