cargo new reproduce && cd reproduce
cargo add stderrlog
cargo add termcolor
    Updating crates.io index
      Adding termcolor v1.4.1 to dependencies
    Updating crates.io index
error: failed to select a version for `termcolor`.
    ... required by package `stderrlog v0.6.0`
    ... which satisfies dependency `stderrlog = "^0.6.0"` of package `reproduce v0.1.0 (/home/marcbk/test/reproduce)`
versions that meet the requirements `~1.1` are: 1.1.3, 1.1.2, 1.1.1, 1.1.0

all possible versions conflict with previously selected packages.

  previously selected package `termcolor v1.4.1`
    ... which satisfies dependency `termcolor = "^1.4.1"` of package `reproduce v0.1.0 (/home/marcbk/test/reproduce)`

failed to select a version for `termcolor` which could resolve this conflict