Fix build

Dependencies

• [2] B2L4T3X6 Sync with Nix
• [3] K5G5GZY7 Guard against concurrent invocations of hydra-queue-runner
• [4] V2UCCYN3 hydra-queue-runner: Get store mode configuration from hydra.conf
• [5] E5YNZACS Fix build
• [6] GTUZLZRH Add an S3-backed binary cache store
• [7] SOB276BA Keep some statistics for the binary cache stores
• [8] EOO4EFWD Use a single BinaryCacheStore for all threads
• [*] 24BMQDZA Start of single-process hydra-queue-runner

Change contents

• edit in src/hydra-queue-runner/hydra-queue-runner.cc at line 776
  [2.977]→[2.977:1034](∅→∅)
  − hydraConfig["binary_cache_public_key_file"],
• edit in src/hydra-queue-runner/hydra-queue-runner.cc at line 786
  [3.1640]→[3.1640:1697](∅→∅)
  − hydraConfig["binary_cache_public_key_file"],
• replacement in src/hydra-queue-runner/s3-binary-cache-store.cc at line 35
  [3.1301]→[3.2079:2175](∅→∅),[2.1425]→[3.2079:2175](∅→∅),[3.2079]→[3.2079:2175](∅→∅),[3.2175]→[2.1426:1491](∅→∅)
  − const Path & secretKeyFile, const Path & publicKeyFile,

  − const std::string & bucketName)

  − : BinaryCacheStore(localStore, secretKeyFile, publicKeyFile)
  [2.1425]

  [3.2240]
  + const Path & secretKeyFile, const std::string & bucketName)

  + : BinaryCacheStore(localStore, secretKeyFile)
• edit in src/hydra-queue-runner/s3-binary-cache-store.cc at line 179
  [3.5467]→[3.5467:5468](∅→∅)
  −
• replacement in src/hydra-queue-runner/s3-binary-cache-store.hh at line 24
  [3.1428]→[3.5936:6041](∅→∅),[2.1550]→[3.5936:6041](∅→∅),[3.5936]→[3.5936:6041](∅→∅)
  − const Path & secretKeyFile, const Path & publicKeyFile,

  − const std::string & bucketName);
  [2.1550]

  [3.6041]
  + const Path & secretKeyFile, const std::string & bucketName);