Resolving dependencies... Starting data-array-byte-0.1.0.1 Starting old-locale-1.0.0.7 Building data-array-byte-0.1.0.1 Building old-locale-1.0.0.7 Completed old-locale-1.0.0.7 Starting old-time-1.1.0.3 Completed data-array-byte-0.1.0.1 Starting hashable-1.4.3.0 Building old-time-1.1.0.3 Building hashable-1.4.3.0 Completed old-time-1.1.0.3 Starting unix-time-0.4.11 Building unix-time-0.4.11 Completed hashable-1.4.3.0 Starting psqueues-0.2.8.0 Building psqueues-0.2.8.0 Completed unix-time-0.4.11 Completed psqueues-0.2.8.0 Starting network-control-0.0.0 Building network-control-0.0.0 Failed to install network-control-0.0.0 Build log ( /home/builder/.cabal/logs/ghc-9.2.4/network-control-0.0.0-JeZ8M8gkrSIDv1V2lPQY27.log ): cabal: Entering directory '/tmp/cabal-tmp-1893959/network-control-0.0.0' Configuring network-control-0.0.0... Preprocessing library for network-control-0.0.0.. Building library for network-control-0.0.0.. [1 of 4] Compiling Network.Control.Flow ( Network/Control/Flow.hs, dist/build/Network/Control/Flow.o, dist/build/Network/Control/Flow.dyn_o ) Network/Control/Flow.hs:86:27: error: Variable not in scope: (.>>.) :: WindowSize -> t0 -> t | 86 | threshold = rxfWindow .>>. 1 | ^^^^ cabal: Leaving directory '/tmp/cabal-tmp-1893959/network-control-0.0.0' Error: cabal: Some packages failed to install: network-control-0.0.0-JeZ8M8gkrSIDv1V2lPQY27 failed during the building phase. The exception was: ExitFailure 1