[runner] Print command being run

In e.g. https://chromium-swarm.appspot.com/task?id=46cdece37b858210
something is hanging, but I have no idea what. It would be nice to see
the command that's trying to run.

Change-Id: I2ffbf08dbc19c5b71e46f0e75a4e545cd80cf34e
1 file changed
tree: e5f4da9a16c72371096237d330c9ef1c60adb232
  1. bloaty/
  2. botanist/
  3. breakpad/
  4. build/
  5. cache/
  6. cmd/
  7. color/
  8. command/
  9. elflib/
  10. gndoc/
  11. isatty/
  12. logger/
  13. mdns/
  14. memory/
  15. netboot/
  16. netutil/
  17. ninjalog/
  18. qemu/
  19. retry/
  20. runner/
  21. runtests/
  22. serial/
  23. sshutil/
  24. symbolize/
  25. tap/
  26. tarutil/
  27. telnet/
  28. testrunner/
  29. testsharder/
  30. tftp/
  31. .gitignore
  32. go.mod
  33. go.sum
  34. LICENSE
  35. manifest
  36. PATENTS
  37. README.md
README.md

tools

This repo contains tools used in Fuchsia build and development.

Go packages from here are automatically built and uploaded to CIPD and Google Storage by bots using the tools recipe.