Don't write diagnostics to stdOut #686
Merged
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This PR fixes #657 by writing warnings from the compiler (Diagnostics) to
stdErrinstead ofstdOutas we used to.As mentioned in the issue this causes "pollution" of the
stdOutstream and could cause issues when for instance piping the output fromdotnet.scriptto another command.Tried to make this with as little changes to the tests as possible. We now return a
ProcessResultwith a deconstruct that matches the tuple used in many tests.