Resolving dependencies... Starting StateVar-1.2.2 Starting AC-Vector-2.4.0 Starting fixed-0.3 Starting ObjectName-1.1.0.2 Starting half-0.3.1 Starting base-unicode-symbols-0.2.4.2 Building AC-Vector-2.4.0 Building StateVar-1.2.2 Building fixed-0.3 Building ObjectName-1.1.0.2 Building half-0.3.1 Building base-unicode-symbols-0.2.4.2 Completed ObjectName-1.1.0.2 Completed fixed-0.3 Completed StateVar-1.2.2 Completed base-unicode-symbols-0.2.4.2 Starting graph-rewriting-0.7.9 Building graph-rewriting-0.7.9 Failed to install graph-rewriting-0.7.9 Build log ( /home/builder/.cabal/logs/ghc-9.6.3/graph-rewriting-0.7.9-5RGGRQ8SyyH458sLGRcOaw.log ): cabal: Entering directory '/tmp/cabal-tmp-351712/graph-rewriting-0.7.9' Warning: graph-rewriting.cabal:20:19: version operators used. To use version operators the package needs to specify at least 'cabal-version: >= 1.8'. Configuring graph-rewriting-0.7.9... Preprocessing library for graph-rewriting-0.7.9.. Building library for graph-rewriting-0.7.9.. [ 1 of 13] Compiling Data.View ( Data/View.hs, dist/build/Data/View.o, dist/build/Data/View.dyn_o ) [ 2 of 13] Compiling GraphRewriting.Graph.Internal ( GraphRewriting/Graph/Internal.hs, dist/build/GraphRewriting/Graph/Internal.o, dist/build/GraphRewriting/Graph/Internal.dyn_o ) GraphRewriting/Graph/Internal.hs:15:57: error: [GHC-76037] Not in scope: type constructor or class MonadFix Suggested fix: Perhaps use MonadFail (imported from Prelude) | 15 | deriving (MonadState (Graph n), Monad, Functor, MonadFix) | ^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-351712/graph-rewriting-0.7.9' Completed AC-Vector-2.4.0 Completed half-0.3.1 Error: cabal: Some packages failed to install: graph-rewriting-0.7.9-5RGGRQ8SyyH458sLGRcOaw failed during the building phase. The exception was: ExitFailure 1 graph-rewriting-gl-0.7.9-7bmAJr6rk8L8fA8NgoxGVF depends on graph-rewriting-gl-0.7.9 which failed to install. graph-rewriting-layout-0.5.8-9ebj0EujnBdDn5neiNTH46 depends on graph-rewriting-layout-0.5.8 which failed to install. graph-rewriting-ski-0.6.8-DREaMRlZY4SBNilTWg39LK depends on graph-rewriting-ski-0.6.8 which failed to install.