TAP doesn't produce error output

[scottcorgan]

The following fails correctly, but the error output is nothing.

TAP version 13
# matches pathnames with no params
ok 1 "/" pathname
ok 2 "/test" pathname
# matches nested pathnames with no params
ok 3 nested pathname at one level with no params
ok 4 nested pathname at multiple levels with no params
# matches pathnames with params
ok 5 params id
ok 6 params id not on root level
# matches pathnames with params on nested routes
ok 7 params id
# root location$ stream
ok 8 root route
ok 9 another route
# routing to path
not ok 10 plan != count
  ---
    operator: fail
    expected: 1
    actual:   0
  ...
not ok 11 test exited without ending
  ---
    operator: fail
  ...
not ok 12 test exited without ending
  ---
    operator: fail
  ...

1..12
# tests 12
# pass  9
# fail  3