title: How to clean error message in Nim? Silence hints?
body: <p>This erroneous code</p>
  <pre><code>import sequtils, sugar, yaml
  
  let a: int
  a = &quot;&quot;
  </code></pre>
  <p>produces huge error message</p>
  <pre><code>$ nimble run
    Verifying dependencies for nim@1
        Info: Dependency on yaml@any version already satisfied
    Verifying dependencies for yaml@0.14.0
     Building nim/app using c backend
         Tip: 3 messages have been suppressed, use --verbose to show them.
       Error: Build failed for package: nim
          ... Details:
          ... Execution failed with exit code 1
          ... Command: &quot;/usr/local/Cellar/nim/1.2.6/nim/bin/nim&quot; c --noNimblePath -d:NimblePkgVersion=1 --path:&quot;/Users/alex/.nimble/pkgs/yaml-0.14.0&quot;  -o:&quot;/alex/projects/alien/old/nim/app&quot; &quot;/alex/projects/alien/old/nim/src/app.nim&quot;
          ... Output: Hint: used config file '/usr/local/Cellar/nim/1.2.6/nim/config/nim.cfg' [Conf]
          ... Hint: system [Processing]
          ... Hint: widestrs [Processing]
          ... Hint: io [Processing]
          ... Hint: app [Processing]
          ... Hint: base [Processing]
          ... Hint: sequtils [Processing]
          ... Hint: macros [Processing]
          ... Hint: sugar [Processing]
          ... Hint: typetraits [Processing]
          ... Hint: underscored_calls [Processing]
          ... Hint: yaml [Processing]
          ... Hint: dom [Processing]
          ... Hint: tables [Processing]
          ... Hint: hashes [Processing]
          ... Hint: math [Processing]
          ... Hint: bitops [Processing]
          ... Hint: algorithm [Processing]
          ... Hint: streams [Processing]
          ... Hint: sets [Processing]
          ... Hint: strutils [Processing]
          ... Hint: parseutils [Processing]
          ... Hint: unicode [Processing]
          ... Hint: stream [Processing]
          ... Hint: internal [Processing]
          ... Hint: taglib [Processing]
          ... Hint: serialization [Processing]
          ... Hint: times [Processing]
          ... Hint: options [Processing]
          ... Hint: posix [Processing]
          ... Hint: parser [Processing]
          ... Hint: lex [Processing]
          ... Hint: lexbase [Processing]
          ... Hint: presenter [Processing]
          ... Hint: deques [Processing]
          ... Hint: hints [Processing]
          ... Hint: annotations [Processing]
          ... Hint: tojson [Processing]
          ... Hint: json [Processing]
          ... Hint: parsejson [Processing]
          ... /alex/projects/nim/src/test.nim(3, 5) Error: 'let' symbol requires an initialization
  </code></pre>
  <p>Is it possible to <strong>silence the non essential output and have just the error message</strong>? Like</p>
  <pre><code>        ... /alex/projects/nim/src/test.nim(3, 5) Error: 'let' symbol requires an initialization
  </code></pre>