* Cut off builds after half an hour of apparent inactivity. This

Dependencies

• [2] CLJQCY2X * Store info about all the build actions and allow them to be
• [3] 7YBYT2LQ
• [4] BD3GRK4B * Get rid of "positive failures" and separate log phases.

Change contents

• replacement in src/Hydra/script/hydra_build.pl at line 39
  [2.5001]→[2.5001:5065](∅→∅)
  − my $cmd = "nix-store --keep-going --no-build-output " .
  [2.5001]

  [2.5065]
  + my $cmd = "nix-store --max-silent-time 1800 --keep-going --no-build-output " .