error: while evaluating anonymous function at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/.gc-of-borg-outpaths.nix:35:12, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/lib/attrsets.nix:199:52:
while evaluating the attribute ‘aarch64-linux’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/lib/attrsets.nix:185:41:
while evaluating anonymous function at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/pkgs/top-level/release-lib.nix:71:6, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/lib/attrsets.nix:282:43:
while evaluating ‘hydraJob’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/lib/customisation.nix:168:14, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/pkgs/top-level/release-lib.nix:71:14:
while evaluating the attribute ‘drvPath’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/lib/customisation.nix:185:13:
while evaluating the attribute ‘drvPath’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/lib/customisation.nix:146:13:
while evaluating the attribute ‘handled’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/pkgs/stdenv/generic/check-meta.nix:204:3:
while evaluating ‘handleEvalIssue’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/pkgs/stdenv/generic/check-meta.nix:127:21, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/pkgs/stdenv/generic/check-meta.nix:205:10:
while evaluating ‘handleEvalIssue’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/.gc-of-borg-outpaths.nix:21:37, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/pkgs/stdenv/generic/check-meta.nix:137:8:
evaluation aborted with the following error message: ‘Package ‘eschalot-2018-01-19’ in /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/grahamc-zoidberg/pkgs/tools/security/eschalot/default.nix:23 has an invalid meta attrset:
	 - key 'maintainer' is unrecognized; expected one of:
	      ['branch', 'broken', 'description', 'downloadPage', 'downloadURLRegexp', 'evaluates', 'executables', 'homepage', 'hydraPlatforms', 'isBuildPythonPackage', 'isFcitxEngine', 'isGutenprint', 'isIbusEngine', 'knownVulnerabilities', 'license', 'longDescription', 'maintainers', 'name', 'outputsToInstall', 'platforms', 'position', 'priority', 'repositories', 'schedulingPriority', 'tag', 'updateWalker', 'version'], refusing to evaluate.

’