rustup, fix breakage introduced by https://github.com/rust-lang/rust/pull/53581#3072

Merged

flip1995 merged 3 commits intorust-lang:masterfrom

matthiaskrgr:rustup

Aug 23, 2018

Commits on Aug 22, 2018

rustup, fix breakage introduced by https://github.com/rust-lang/rust/pull/53581
matthiaskrgr
committed

Commits on Aug 23, 2018

Remove now stable tool_attributes feature
flip1995
committed
remove macro_vis_matcher feature gate since it is stable now.

matthiaskrgr
authored and
flip1995
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