add minimal-versions check

[wangfenjin]

address #134

[codecov]

Codecov Report

Merging #135 (0882cf6) into main (eebd09f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #135   +/-   ##
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  Coverage   58.20%   58.20%           
=======================================
  Files          35       35           
  Lines        2084     2084           
=======================================
  Hits         1213     1213           
  Misses        871      871           

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[mlafeldt]

I think the "Address Sanitizer" step already does more than it should right now (running cargo publish --dry-run is not related to sanitizing at all).

I'd like to revisit the need for the job itself (and with it the need for Rust nightly) before adding anything on top.

Closing for now.