Upgrade smallvec 0.6 -> 1.1 (#74)

* Upgrade smallvec 0.6 -> 1.1
Good to use stable & latest release of smallvec

* Rust minimum version 1.20 -> 1.36

* Update Cargo.lock in dev/cmp

Author: repi

.github/workflows/lewton.yml

@@ -8,30 +8,30 @@ jobs:
     strategy:
       matrix:
         os: [macOS-latest, ubuntu-latest, windows-latest]
-        toolchain: [stable, 1.20.0]
+        toolchain: [stable, 1.36.0]
 
     runs-on: ${{ matrix.os }}
 
     steps:
     - uses: actions/checkout@master
     - name: Install Rust
-      if: matrix.os != 'macOS-latest' || matrix.toolchain != '1.20.0'
+      if: matrix.os != 'macOS-latest' || matrix.toolchain != '1.36.0'
       uses: actions-rs/toolchain@v1
       with:
         toolchain: ${{ matrix.toolchain }}
         override: true
     - name: Run no-default-features builds
-      if: matrix.os != 'macOS-latest' || matrix.toolchain != '1.20.0'
+      if: matrix.os != 'macOS-latest' || matrix.toolchain != '1.36.0'
       run: |
         cargo test --verbose --no-default-features
         cargo doc --verbose --no-default-features
     - name: Run all-features builds
-      if: matrix.os != 'macOS-latest' || matrix.toolchain != '1.20.0'
+      if: matrix.os != 'macOS-latest' || matrix.toolchain != '1.36.0'
       run: |
         cargo test --verbose --all-features
         cargo doc --verbose --all-features
     - name: Run cmp tests
-      if: matrix.os != 'macOS-latest' || matrix.toolchain != '1.20.0'
+      if: matrix.os != 'macOS-latest' || matrix.toolchain != '1.36.0'
       run: |
         cd dev/cmp
         cargo test --verbose --release

Cargo.lock

@@ -24,7 +24,7 @@ required-features = ["ogg"]
 
 [dependencies]
 byteorder = "1.0"
-smallvec = "0.6"
+smallvec = "1.1"
 ogg = { version = "0.7", optional = true }
 tokio-io = { version = "0.1", optional = true }
 futures = { version = "0.1", optional = true }

Cargo.toml

@@ -20,7 +20,7 @@ and a high level API for ogg/vorbis streams in the `inside_ogg` module.
 Some parts were created with help from the public domain
 [stb_vorbis](http://nothings.org/stb_vorbis/) decoder implementation.
 
-The minimum required Rust version is 1.20.
+The minimum required Rust version is 1.36.
 
 ## Use of unsafe