[tracer/f22] (2 commits) ...Update tracer to 0.5.8-1

[Jakub Kadlčík]

Summary of changes:

  cf3c6d6... Update tracer to 0.5.7-1 (*)
  b938151... Update tracer to 0.5.8-1 (*)

(*) This commit already existed in another branch; no separate mail sent