Resolving dependencies...
Starting     shellmet-0.0.4.1
Building     shellmet-0.0.4.1
Failed to install shellmet-0.0.4.1
Build log ( /home/builder/.cabal/logs/ghc-8.10.2/shellmet-0.0.4.1-7YaBMlfmxwsGOy8oSSVidk.log ):
cabal: Entering directory '/tmp/cabal-tmp-32421/shellmet-0.0.4.1'
Configuring shellmet-0.0.4.1...
Preprocessing library for shellmet-0.0.4.1..
Building library for shellmet-0.0.4.1..
[1 of 1] Compiling Shellmet
Preprocessing executable 'readme' for shellmet-0.0.4.1..
Building executable 'readme' for shellmet-0.0.4.1..
ghc: could not execute: markdown-unlit
cabal: Leaving directory '/tmp/cabal-tmp-32421/shellmet-0.0.4.1'
cabal: Error: some packages failed to install:
shellmet-0.0.4.1-7YaBMlfmxwsGOy8oSSVidk failed during the building phase. The
exception was:
ExitFailure 1