Anyone know how to start debugging this? $ stack build comonad > configure comonad > /home/david/.stack/programs/x86_64-linux/ghc-8.8.4/lib/ghc-8.8.4/bin/ghc: /lib64/libtinfo.so.5: no version information available (required by /home/david/.stack/programs/x86_64-linux/ghc-8.8.4/lib/ghc-8.8.4/bin/../haskeline-0.7.5.0/libHShaskeline-0.7.5.0-ghc8.8.4.so) comonad > /home/david/.stack/programs/x86_64-linux/ghc-8.8.4/lib/ghc-8.8.4/bin/ghc: /lib64/libtinfo.so.5: no version information available (required by /home/david/.stack/programs/x86_64-linux/ghc-8.8.4/lib/ghc-8.8.4/bin/../ghc-8.8.4/libHSghc-8.8.4-ghc8.8.4.so) comonad > /home/david/.stack/programs/x86_64-linux/ghc-8.8.4/lib/ghc-8.8.4/bin/ghc: /lib64/libtinfo.so.5: no version information available (required by /home/david/.stack/programs/x86_64-linux/ghc-8.8.4/lib/ghc-8.8.4/bin/../terminfo-0.4.1.4/libHSterminfo-0.4.1.4-ghc8.8.4.so) comonad > [1 of 2] Compiling Main ( /tmp/stack-038db506ab1301e1/comonad-5.0.6/Setup.lhs, /tmp/stack-038db506ab1301e1/comonad-5.0.6/.stack-work/dist/x86_64-linux/Cabal-3.0.1.0/setup/Main.o ) comonad > [2 of 2] Compiling StackSetupShim ( /home/david/.stack/setup-exe-src/setup-shim-mPHDZzAJ.hs, /tmp/stack-038db506ab1301e1/comonad-5.0.6/.stack-work/dist/x86_64-linux/Cabal-3.0.1.0/setup/StackSetupShim.o ) comonad > Linking /tmp/stack-038db506ab1301e1/comonad-5.0.6/.stack-work/dist/x86_64-linux/Cabal-3.0.1.0/setup/setup ... Progress 1/10 Did not find executable at specified path: /tmp/stack-038db506ab1301e1/comonad-5.0.6/.stack-work/dist/x86_64-linux/Cabal-3.0.1.0/setup/setup