Resolving dependencies... Configuring multirec-0.7.7... Configuring syb-0.6... Building multirec-0.7.7... Building syb-0.6... Installed syb-0.6 Configuring th-expand-syns-0.4.1.0... Building th-expand-syns-0.4.1.0... Installed th-expand-syns-0.4.1.0 Installed multirec-0.7.7 Configuring TrieMap-0.7.0... Building TrieMap-0.7.0... Failed to install TrieMap-0.7.0 Build log ( /home/builder/.cabal/logs/TrieMap-0.7.0.log ): cabal: Entering directory '/tmp/cabal-tmp-4492/TrieMap-0.7.0' Configuring TrieMap-0.7.0... Building TrieMap-0.7.0... Preprocessing library TrieMap-0.7.0... [ 1 of 52] Compiling Data.TrieMap.Sized ( Data/TrieMap/Sized.hs, dist/build/Data/TrieMap/Sized.o ) [ 2 of 52] Compiling Data.TrieMap.Rep ( Data/TrieMap/Rep.hs, dist/build/Data/TrieMap/Rep.o ) Data/TrieMap/Rep.hs:9:1: warning: [-Wtabs] Tab character found here, and in 11 further locations. Please use spaces instead. Data/TrieMap/Rep.hs:24:9: warning: [-Winline-rule-shadowing] Rule "toRep/fromRep" may never fire because rule "Class op fromRep" for ‘fromRep’ might fire first Probable fix: add phase [n] or [~n] to the competing rule [ 3 of 52] Compiling Data.TrieMap.Rep.TH ( Data/TrieMap/Rep/TH.hs, dist/build/Data/TrieMap/Rep/TH.o ) Data/TrieMap/Rep/TH.hs:33:13: error: • The constructor ‘InstanceD’ should have 4 arguments, but has been given 3 • In the pattern: InstanceD cxt (reprt `AppT` f) _ In the pattern: InstanceD cxt (reprt `AppT` f) _ : _ In a stmt of a 'do' block: iT@(InstanceD cxt (reprt `AppT` f) _ : _) <- decs cabal: Leaving directory '/tmp/cabal-tmp-4492/TrieMap-0.7.0' cabal: Error: some packages failed to install: TrieMap-0.7.0 failed during the building phase. The exception was: ExitFailure 1