Rollup of 9 pull requests#55181

Closed

kennytm wants to merge 27 commits intorust-lang:masterfrom

Commits on Oct 11, 2018

Custom E0277 diagnostic for `Path`
estebank
committed

Commits on Oct 12, 2018

Only suggest paths that exist.
davidtwco
committed

Commits on Oct 14, 2018

Fix ICE and report a human readable error
oli-obk
committed

Commits on Oct 15, 2018

Commits on Oct 18, 2018