ihaskell_error_output:

.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/GenericPackageDescription/Lens.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/GenericPackageDescription/Lens.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/GenericPackageDescription/Lens.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/GenericPackageDescription/Lens.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/GenericPackageDescription/Lens.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/Mixin.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/Mixin.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/ForeignLibType.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/ForeignLibType.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/MungedPackageId.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/MungedPackageId.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/Dependency.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/Dependency.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/LegacyExeDependency.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Types/LegacyExeDependency.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Backpack.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Backpack.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Common.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Common.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Lexer.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Lexer.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Field.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Field.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ParseResult.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ParseResult.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Class.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Class.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/LexerMonad.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/LexerMonad.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Class.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Class.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Newtypes.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Newtypes.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Lexer.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Lexer.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Common.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Common.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Field.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Field.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/FieldLineStream.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/FieldLineStream.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Newtypes.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Newtypes.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Class.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Class.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ConfVar.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ConfVar.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/FieldLineStream.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/FieldLineStream.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Parser.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Parser.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ParseResult.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ParseResult.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Parser.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Parser.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Lexer.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Lexer.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ConfVar.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ConfVar.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ParseResult.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ParseResult.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Common.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Common.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/LexerMonad.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/LexerMonad.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Newtypes.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Newtypes.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/FieldLineStream.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/FieldLineStream.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Parser.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Parser.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Field.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/Field.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ConfVar.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/ConfVar.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/LexerMonad.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Parsec/LexerMonad.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/ParseUtils.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/ParseUtils.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/TestSuite.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/TestSuite.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/PrettyUtils.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/PrettyUtils.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/TestSuite.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/TestSuite.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Hpc.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Hpc.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/BuildPaths.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/BuildPaths.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Command.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Command.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Utils.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Utils.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/UHC.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/UHC.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/CCompiler.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/CCompiler.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Bench.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Bench.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/BuildPaths.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/BuildPaths.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/BuildPaths.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/BuildPaths.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Utils.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Utils.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/PreProcess.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/PreProcess.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/HaskellSuite.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/HaskellSuite.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Utils.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Utils.p_hi'
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collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Types.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Types.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Find.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Find.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/ResponseFile.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/ResponseFile.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Builtin.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Builtin.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/ResponseFile.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/ResponseFile.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Builtin.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Builtin.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Builtin.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Builtin.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Types.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Types.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Db.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Db.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Types.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Types.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Db.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Db.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Ar.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Ar.hi'
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collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/HcPkg.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/HcPkg.dyn_hi'
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collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Strip.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Strip.hi'
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collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Ld.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Ld.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Find.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/Find.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/GHC.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Program/GHC.hi'
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collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/BuildTarget.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/BuildTarget.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/GHC.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/GHC.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build/Macros.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build/Macros.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build/PathsModule.p_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build/PathsModule.p_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build/Macros.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build/Macros.dyn_hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build/PathsModule.hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build/PathsModule.hi'
collision between `/nix/store/pxr06q8a3lxdkn2l5jd4rw4cxh60y5lq-ihaskell-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build/PathsModule.dyn_hi' and `/nix/store/jjr58k728vrryf74ws3r2mwzk4w0w07b-ghc-8.6.5-with-packages/lib/ghc-8.6.5/Cabal-2.4.0.1/Distribution/Simple/Build/PathsModule.dyn_hi'
builder for '/nix/store/l2kpj9dv1hdywgdgycq37ffgy219yay5-home-manager-path.drv' failed with exit code 25
cannot build derivation '/nix/store/lpajcz72pv8iacpha1klz0yk8y8w470r-home-manager-generation.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/9y6yzlhawxh4bk68dmcdiiclz8lhxi4w-activate-wolf.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/l4665xj7s1f0g8kq2r1a37lbds4nl86d-unit-home-manager-wolf.service.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/gzd68cyv8f6agpjxk5wr0aj1xwn4brsg-system-units.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/ca99wafll6iarp8s0lcbs09ys923jhhh-etc.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/d0mq1jk0b1wbf0i5nnln2q09xjgyf1y6-nixos-system-wlf-19.03.173104.a6598a6c865.drv': 1 dependencies couldn't be built
error: build of '/nix/store/d0mq1jk0b1wbf0i5nnln2q09xjgyf1y6-nixos-system-wlf-19.03.173104.a6598a6c865.drv' failed

[root@wlf:/home/wolf]#