error: while evaluating anonymous function at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/.gc-of-borg-outpaths.nix:35:12, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/attrsets.nix:199:52:
while evaluating the attribute ‘backup’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/attrsets.nix:199:44:
while evaluating ‘g’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/attrsets.nix:266:19, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/attrsets.nix:199:52:
while evaluating the attribute ‘backup’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/attrsets.nix:199:44:
while evaluating anonymous function at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/pkgs/top-level/release-lib.nix:98:38, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/attrsets.nix:199:52:
while evaluating ‘isDerivation’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/attrsets.nix:295:18, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/pkgs/top-level/release-lib.nix:100:10:
while evaluating the attribute ‘backup’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/pkgs/top-level/all-packages.nix:734:3:
while evaluating ‘callPackageWith’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/customisation.nix:113:35, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/pkgs/top-level/all-packages.nix:734:12:
while evaluating ‘makeOverridable’ at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/customisation.nix:72:24, called from /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/customisation.nix:117:8:
anonymous function at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/pkgs/tools/backup/backup/default.nix:1:1 called without required argument ‘ruby_2_1’, at /var/lib/gc-of-borg/.nix-test-rs/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ogden/lib/customisation.nix:74:12