Node v0.10 exits 0 on failed coverage check

[isaacs]

Expected Behavior

Should exit with status code 1.

$ node -v
v4.5.0

$ nyc check-coverage --branches=100
ERROR: Coverage for lines (42.78%) does not meet global threshold (90%)
ERROR: Coverage for branches (30.21%) does not meet global threshold (100%)

$ echo $?
1

Observed Behavior

On Node 0.10, it exits with code 0.

$ node -v
v0.10.46

$ nyc check-coverage --branches=100
ERROR: Coverage for lines (42.78%) does not meet global threshold (90%)
ERROR: Coverage for branches (30.21%) does not meet global threshold (100%)

$ echo $?
0

Forensic Information

Operating System: the operating system you observed the issue on.

Darwin

Environment Information: information about your project's environment, see instructions below:

https://gist.github.com/isaacs/14d723f80c0c3a9cccc05f4adaeddaf2