Merge pull request #62 from mbrubeck/travis

Update MSRV to 1.36.0.

Author: Manishearth

.github/workflows/main.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        rust: [1.31.0, stable, beta, nightly]
+        rust: [1.36.0, stable, beta, nightly]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2