hydra-eval-jobset: log fetches and evaluations

Dependencies

• [2] Q6VFUIC6 Remove hydra-eval-guile-jobs
• [*] N22GPKYT * Put info about logs / build products in the DB.
• [*] VU2OLHD2 Move most of AddBuilds to hydra-eval-jobset
• [*] ZPHREC7X hydra-eval-jobset: Support flakes

Change contents

• edit in src/script/hydra-eval-jobset at line 237
  [5.6424]

  [5.6424]
  +

  + print STDERR "(" . $project->name . ":" . $jobset->name . ") Fetching input `$name` ($type) $value\n";
• edit in src/script/hydra-eval-jobset at line 344
  [2.1382]

  [6.81]
  +

  + print STDERR "Evaluating...\n";