fix a test that was missed in the chan/port renaming (PR #12815)
auto merge of #12880 : tedhorst/rust/master, r=alexcrichton

Fix a test that was missed in the chan/port renaming (PR #12815).  This was missed because it is skipped on linux and windows, and the mac bots were moving at the time the PR landed.
cmp: switch `min` and `max` to `TotalOrd`

The `Float` trait provides correct `min` and `max` methods on floating
point types, providing a consistent result regardless of the order the
parameters are passed.

These generic functions do not take the necessary performance hit to
correctly support a partial order, so the true requirement should be
given as a type bound.

Closes #12712
auto merge of #12869 : thestinger/rust/cmp, r=brson

The `Float` trait provides correct `min` and `max` methods on floating
point types, providing a consistent result regardless of the order the
parameters are passed.

These generic functions do not take the necessary performance hit to
correctly support a partial order, so the true requirement should be
given as a type bound.

Closes #12712
Removed some deprecated vector functions