Fix build

Dependencies

• [2] 4DHGJ2FL Fix build
• [3] NAYQT2GT hydra-queue-runner: Use cmdBuildDerivation
• [4] BYVRA54Q Temporarily disable machines on any exception, not just connection failures
• [5] 5AIYUMTB Basic remote building
• [6] G7KWXSFM Distinguish build step states
• [7] EBJP3MNA Build against nix-master
• [8] XCDTFZUY hydra-queue-runner: Fix build
• [9] WV4SSAIY Build against nix-master
• [10] 6TY4LNHH Finish copyClosure
• [11] H46LUUZY hydra-queue-runner: don't try to distribute builds on localhost
• [12] YSZQ3ORR Fix build
• [13] OJFOBJKF Add FIXME
• [14] 5JMO43B4 buildRemote(): Copy paths to the destination store in O(1) memory
• [*] NQPGIRXX Revert "hydra-eval-jobs -> nix eval-hydra-jobs"
• [*] VUYJ47EV hydra-eval-jobs: Parallelize

Change contents

• edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 17
  [17.50]

  [16.883]
  + #include "local-fs-store.hh"
• replacement in src/hydra-queue-runner/build-remote.cc at line 98
  [3.463]→[3.463:509](∅→∅)
  − writeStorePaths(*destStore, to, closure);
  [3.463]

  [3.1984]
  + worker_proto::write(*destStore, to, closure);
• replacement in src/hydra-queue-runner/build-remote.cc at line 103
  [3.2087]→[3.1017:1084](∅→∅)
  − auto present = readStorePaths<StorePathSet>(*destStore, from);
  [3.2087]

  [3.2137]
  + auto present = worker_proto::read(*destStore, from, Phantom<StorePathSet> {});
• replacement in src/hydra-queue-runner/build-remote.cc at line 318
  [3.2237]→[3.1045:1108](∅→∅)
  − writeStorePaths(*localStore, to, {step->drvPath});
  [3.2237]

  [3.2309]
  + worker_proto::write(*localStore, to, {step->drvPath});
• replacement in src/hydra-queue-runner/build-remote.cc at line 447
  [3.2233]→[3.2233:2288](∅→∅)
  − writeStorePaths(*localStore, to, outputs);
  [3.2233]

  [3.7441]
  + worker_proto::write(*localStore, to, outputs);
• replacement in src/hydra-queue-runner/build-remote.cc at line 453
  [3.7588]→[2.88:171](∅→∅)
  − auto references = readStorePaths<StorePathSet>(*localStore, from);
  [3.7588]

  [3.7646]
  + auto references = worker_proto::read(*localStore, from, Phantom<StorePathSet> {});