Don't panic when failing to initialize incremental directory.#85698

Merged

bors merged 4 commits intorust-lang:masterfrom

ehuss:incremental-session-panic

May 29, 2021

Commits on May 25, 2021

Don't panic when failing to initialize incremental directory.
ehuss
committed

Commits on May 27, 2021

Add test to check behavior when incremental session init fails.
ehuss
committed

Commits on May 28, 2021

Add specific help for *how* to fix an incremental lock error.
ehuss
committed

Commits on May 29, 2021

Fix incremental-session-fail to work when run as root.
ehuss
committed