error: … while evaluating the attribute 'outPath' at ::: | value = commonAttrs // { | outPath = builtins.getAttr outputName strict; | ^ | drvPath = strict.drvPath; … while calling the 'getAttr' builtin at ::: | value = commonAttrs // { | outPath = builtins.getAttr outputName strict; | ^ | drvPath = strict.drvPath; … while calling the 'derivationStrict' builtin at ::: | | strict = derivationStrict drvAttrs; | ^ | … while evaluating derivation '~jiggle~' whose name attribute is located at /pwd/lang/eval-fail-derivation-name.nix:: error: invalid derivation name: name '~jiggle~' contains illegal character '~'. Please pass a different 'name'.