Fix #15149 test, and allow it to run with noexec /tmp on POSIX systems.#21498

Merged

bors merged 3 commits intorust-lang:masterfrom

quantheory:master

Jan 25, 2015

Commits on Jan 15, 2015

For issue 15149 test, don't execute from tmpfs, and wait to see if the child panics before passing.
quantheory
committed

Commits on Jan 22, 2015

Attempt fix for assertion on Windows, and add extra output for debugging.
quantheory
committed

Commits on Jan 23, 2015

Add a random number string to the end of the issue-15149 test's child directory's name, and remove the directory after a successful test.
quantheory
committed