Resolving dependencies...
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Starting     parser-combinators-1.3.0
Starting     base-orphans-0.8.6
Starting     cmdargs-0.10.21
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Starting     safe-exceptions-0.1.7.2
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Starting     hashable-1.4.0.2
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Starting     case-insensitive-1.2.1.0
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Starting     scientific-0.3.7.0
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Completed    cmdargs-0.10.21
Completed    scientific-0.3.7.0
Starting     megaparsec-9.2.0
Building     megaparsec-9.2.0
Completed    megaparsec-9.2.0
Downloading  nixfmt-0.5.0
Downloaded   nixfmt-0.5.0
Starting     nixfmt-0.5.0
Building     nixfmt-0.5.0
Completed    nixfmt-0.5.0