error: … while evaluating the attribute 'outPath' at :44:9: 43| value = commonAttrs // { 44| outPath = builtins.getAttr outputName strict; | ^ 45| drvPath = strict.drvPath; … while calling the 'getAttr' builtin at :44:19: 43| value = commonAttrs // { 44| outPath = builtins.getAttr outputName strict; | ^ 45| drvPath = strict.drvPath; … while calling the 'derivationStrict' builtin at :34:12: 33| 34| strict = derivationStrict drvAttrs; | ^ 35| … while evaluating derivation '~jiggle~' whose name attribute is located at /pwd/lang/eval-fail-derivation-name.nix:2:3 error: invalid derivation name: name '~jiggle~' contains illegal character '~'. Please pass a different 'name'.