Resolving dependencies... Build profile: -w ghc-9.2.4 -O0 In order, the following will be built (use -v for more details): - sorting-network-0.1.0.0 (first run) Configuring sorting-network-0.1.0.0... Preprocessing library for sorting-network-0.1.0.0.. Building library for sorting-network-0.1.0.0.. [1 of 4] Compiling Data.SortingNetwork.Compares ( src/Data/SortingNetwork/Compares.hs, /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/sorting-network-0.1.0.0/noopt/build/Data/SortingNetwork/Compares.o, /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/sorting-network-0.1.0.0/noopt/build/Data/SortingNetwork/Compares.dyn_o ) [2 of 4] Compiling Data.SortingNetwork.TH ( src/Data/SortingNetwork/TH.hs, /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/sorting-network-0.1.0.0/noopt/build/Data/SortingNetwork/TH.o, /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/sorting-network-0.1.0.0/noopt/build/Data/SortingNetwork/TH.dyn_o ) [3 of 4] Compiling Data.SortingNetwork ( src/Data/SortingNetwork.hs, /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/sorting-network-0.1.0.0/noopt/build/Data/SortingNetwork.o, /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/sorting-network-0.1.0.0/noopt/build/Data/SortingNetwork.dyn_o ) [4 of 4] Compiling Paths_sorting_network ( /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/sorting-network-0.1.0.0/noopt/build/autogen/Paths_sorting_network.hs, /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/sorting-network-0.1.0.0/noopt/build/Paths_sorting_network.o, /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/sorting-network-0.1.0.0/noopt/build/Paths_sorting_network.dyn_o ) Preprocessing test suite 'hspec' for sorting-network-0.1.0.0.. Building test suite 'hspec' for sorting-network-0.1.0.0.. ghc: could not execute: hspec-discover