fix(magrathea): print [mg] messages to stderr r/3813

I want to add a shortcut to build and run e.g. scripts that are depot
targets - for which it would be useful to not have stdout polluted by
magrathea itself.

Change-Id: Ic58fe28eafb4d0715e53beae041bfaa5d1745812
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5276
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>

0 files changed, 0 insertions, 0 deletions