title: Haskell eval (from plugins package) runtime error
body: <p>I have this code</p>
  <pre><code>module Main where
  
  import System.Eval.Haskell
  
  test = &quot;a&quot;
  
  main :: IO ()
  main = do
    putStrLn &quot;Hello, Haskell!&quot;
    i &lt;- eval &quot;1 + 6 :: Int&quot; [] :: IO (Maybe Int)
    when (isJust i) $ putStrLn (show (fromJust i))
    putStrLn test
  </code></pre>
  <p>I run &quot;cabal run -v&quot;</p>
  <p>Result:</p>
  <blockquote>
  <p>this build was affected by the following (project) config files:</p>
  <p>Up to date</p>
  <p>creating /home/n0lim/HaskellProjects/TrophicModels/dist-newstyle/build</p>
  <p>creating /home/n0lim/HaskellProjects/TrophicModels/dist-newstyle/tmp</p>
  <p>Selecting TrophicModels-0.1.0-inplace-TrophicModels to supply
  TrophicModels
  /home/n0lim/HaskellProjects/TrophicModels/dist-newstyle/build/x86_64-linux/ghc-8.10.5/TrophicModels-0.1.0/x/TrophicModels/build/TrophicModels/TrophicModels</p>
  <p>Hello, Haskell!</p>
  <p>&lt; command line &gt;: cannot satisfy -package plugins</p>
  <p>(use -v for more information)</p>
  <p>a</p>
  </blockquote>
  <p>Which -v was implied and what is wrong with eval?</p>