Don't ignore assertion failures in getDerivation()

Dependencies

• [2] AEKIREIH * Updated hydra_eval_jobs for the new evaluator.
• [3] 4LWGZL33
• [4] YGRLM2SK * Export all relevant info about the derivation.
• [*] 4N5APGRG * Start of a helper tool to evaluate job expressions efficiently.

Change contents

• edit in src/c/hydra-eval-jobs.cc at line 9
  [6.404]

  [3.26]
  + #include "eval-inline.hh"
• replacement in src/c/hydra-eval-jobs.cc at line 122
  [3.54]→[2.1729:1773](∅→∅)
  − if (getDerivation(state, v, drv)) {
  [3.54]

  [3.681]
  + if (getDerivation(state, v, drv, false)) {