Thanks for your generous comment. I'd intended to get back to the problematic test, but I forgot to make it a draft PR.

This is the sort of case where a student says they had a great teacher who made an encouraging remark instead of a mean comment that made them drop out of the program.

👆 this is the overly modest top scala/scala contributor who started off 8 years ago with a deep type checker patch and has not taken a break ever since

@lrytz For extra credit, I will try to determine if this new test failure under Travis is for real. Apparently, it is a test I contributed, but then they deleted the comment that tells me what it does...

scala.concurrent.FutureTest.bug$divissues$hash10513$u0020firstCompletedOf$u0020must$u0020not$u0020leak$u0020references failed: java.lang.AssertionError: Root Future(<not completed>) held reference java.lang.Object@3d785ff2, took 0.011 sec

[error]     at scala.tools.testkit.AssertUtil$.loop$2(AssertUtil.scala:138)

[error]     at scala.tools.testkit.AssertUtil$.$anonfun$assertNotReachable$5(AssertUtil.scala:148)

[error]     at scala.tools.testkit.AssertUtil$.$anonfun$assertNotReachable$5$adapted(AssertUtil.scala:144)