Resolving dependencies... Configuring data-default-class-0.1.2.0... Configuring dlist-0.8.0.4... Building dlist-0.8.0.4... Building data-default-class-0.1.2.0... Installed data-default-class-0.1.2.0 Configuring extensible-exceptions-0.1.1.4... Building extensible-exceptions-0.1.1.4... Installed dlist-0.8.0.4 Configuring hashable-1.2.7.0... Building hashable-1.2.7.0... Installed extensible-exceptions-0.1.1.4 Configuring integer-logarithms-1.0.2.1... Building integer-logarithms-1.0.2.1... Installed integer-logarithms-1.0.2.1 Configuring network-2.7.0.2... Installed hashable-1.2.7.0 Configuring old-locale-1.0.0.7... Building old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring primitive-0.6.4.0... Building network-2.7.0.2... Building primitive-0.6.4.0... Installed network-2.7.0.2 Configuring random-1.1... Building random-1.1... Installed primitive-0.6.4.0 Configuring regex-base-0.93.2... Installed random-1.1 Configuring setlocale-1.0.0.6... Building regex-base-0.93.2... Building setlocale-1.0.0.6... Installed setlocale-1.0.0.6 Configuring utf8-string-1.0.1.1... Building utf8-string-1.0.1.1... Installed regex-base-0.93.2 Configuring data-default-instances-containers-0.0.1... Building data-default-instances-containers-0.0.1... Installed data-default-instances-containers-0.0.1 Configuring data-default-instances-dlist-0.0.1... Building data-default-instances-dlist-0.0.1... Installed data-default-instances-dlist-0.0.1 Configuring alsa-core-0.5.0.1... Installed utf8-string-1.0.1.1 Configuring old-time-1.1.0.3... Building alsa-core-0.5.0.1... Installed alsa-core-0.5.0.1 Configuring data-default-instances-old-locale-0.0.1... Building old-time-1.1.0.3... Building data-default-instances-old-locale-0.0.1... Installed data-default-instances-old-locale-0.0.1 Configuring scientific-0.3.6.2... Building scientific-0.3.6.2... Installed old-time-1.1.0.3 Configuring regex-posix-0.95.2... Building regex-posix-0.95.2... Installed scientific-0.3.6.2 Configuring alsa-mixer-0.2.0.3... Building alsa-mixer-0.2.0.3... Installed regex-posix-0.95.2 Configuring data-default-0.7.1.1... Building data-default-0.7.1.1... Installed data-default-0.7.1.1 Configuring attoparsec-0.13.2.2... Installed alsa-mixer-0.2.0.3 Configuring X11-1.8... Building attoparsec-0.13.2.2... Building X11-1.8... Installed attoparsec-0.13.2.2 Configuring libmpd-0.9.0.8... Building libmpd-0.9.0.8... Installed libmpd-0.9.0.8 Installed X11-1.8 Configuring X11-xft-0.3.1... Configuring xmonad-0.13... Building xmonad-0.13... Building X11-xft-0.3.1... Failed to install xmonad-0.13 Build log ( /home/builder/.cabal/logs/ghc-8.4.3/xmonad-0.13-CkCuFw1IhFYEW1MzYDTorO.log ): cabal: Entering directory '/tmp/cabal-tmp-23870/xmonad-0.13' Configuring xmonad-0.13... Preprocessing library for xmonad-0.13.. Building library for xmonad-0.13.. [1 of 9] Compiling Paths_xmonad ( dist/build/autogen/Paths_xmonad.hs, dist/build/Paths_xmonad.o ) [2 of 9] Compiling XMonad.StackSet ( src/XMonad/StackSet.hs, dist/build/XMonad/StackSet.o ) [3 of 9] Compiling XMonad.Core ( src/XMonad/Core.hs, dist/build/XMonad/Core.o ) src/XMonad/Core.hs:154:10: error: • Could not deduce (Semigroup (X a)) arising from the superclasses of an instance declaration from the context: Monoid a bound by the instance declaration at src/XMonad/Core.hs:154:10-35 • In the instance declaration for ‘Monoid (X a)’ | 154 | instance (Monoid a) => Monoid (X a) where | ^^^^^^^^^^^^^^^^^^^^^^^^^^ src/XMonad/Core.hs:168:10: error: • Could not deduce (Semigroup (Query a)) arising from the superclasses of an instance declaration from the context: Monoid a bound by the instance declaration at src/XMonad/Core.hs:168:10-37 • In the instance declaration for ‘Monoid (Query a)’ | 168 | instance Monoid a => Monoid (Query a) where | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-23870/xmonad-0.13' Installed X11-xft-0.3.1 cabal: Error: some packages failed to install: xmonad-0.13-CkCuFw1IhFYEW1MzYDTorO failed during the building phase. The exception was: ExitFailure 1 xmonad-contrib-0.13-E33pCg0UF0q2GQtCx3ZZ9p depends on xmonad-contrib-0.13 which failed to install. xmonad-extras-0.13.4-9vgRsDfXvsf8DApL47rabm depends on xmonad-extras-0.13.4 which failed to install.