Rollup of 13 pull requests#81461

Merged

bors merged 35 commits intorust-lang:masterfrom

JohnTitor:rollup-b0ij25f

Jan 28, 2021

Commits on Jan 10, 2021

Print failure message on all tests that should panic, but don't
johanngan
committed

Commits on Jan 16, 2021

Commits on Jan 22, 2021

Make more traits of the From/Into family diagnostic items
flip1995
committed

Commits on Jan 23, 2021

Make `-Z time-passes` less noisy
jyn514
committed

Commits on Jan 24, 2021

Stabilize `Seek::stream_position` & change feature of `Seek::stream_len`
LukasKalbertodt
committed

Commits on Jan 25, 2021

Commits on Jan 26, 2021

Commits on Jan 28, 2021