Implement the Cargo half of pipelined compilation (take 2)#6883

Merged

bors merged 12 commits intorust-lang:masterfrom alexcrichton:pipelining-v2

May 10, 2019

+1,036-565

Commits on May 8, 2019

Commits on May 9, 2019

Handle transitive All dependency edges
alexcrichton
committed

Commits on May 10, 2019

Keep better track of finished crates
alexcrichton
committed