diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 00000000..e87ef0ad
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,57 @@
+name: CI
+
+on:
+  push:
+    branches:
+      # test & v4 branches
+      - 'try-**'
+  pull_request:
+  release:
+    types: [released, pre-released]
+
+jobs:
+  ci:
+    strategy:
+      matrix:
+        version:
+          - 1.26.1 # MSRV
+          - stable
+          - nightly
+        os: [ubuntu-latest, macos-latest, windows-latest]
+      fail-fast: false # macOS sometimes fails to test
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: setup toolchain
+        run: |
+          rustup set profile minimal
+          rustup toolchain install ${{ matrix.version }}
+          rustup override set ${{ matrix.version }}
+
+      - name: MSRV check
+        if: matrix.version == '1.26.1'
+        shell: bash
+        run: |
+          mv Cargo.lock.min Cargo.lock
+          cargo build
+
+      - name: check build
+        if: matrix.version != '1.26.1'
+        run: |
+          cargo test --no-fail-fast
+
+  audit:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: install cargo-audit
+        run: |
+          rustup override set stable
+          cargo install cargo-audit
+
+      - name: audit check
+        run: cargo audit
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index c902e801..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,96 +0,0 @@
-dist: xenial
-language: rust
-
-cache:
-  - directories:
-    - $HOME/.cargo
-    - target/debug/deps
-    - target/$TARGET/debug/deps
-before_cache:
-  # Travis can't cache files that are not readable by "others"
-  - chmod -R a+r $HOME/.cargo
-
-matrix:
-  fast_finish: true
-  include:
-
-    # Audit only
-    - env: CARGO_AUDIT=1
-
-    # Stable on windows first to get it going (very slow)
-    - os: windows
-
-    # Linux
-    - os: linux
-      rust: nightly
-    - os: linux
-      rust: 1.26.1
-      script:
-      - mv Cargo.lock.min Cargo.lock
-      - cargo build
-    - os: linux
-
-    # macOS
-    - os: osx
-      rust: nightly
-    - os: osx
-      rust: 1.26.1
-      script:
-      - mv Cargo.lock.min Cargo.lock
-      - cargo build
-    - os: osx
-
-    # Other windowses later
-    - os: windows
-      rust: nightly
-    - os: windows
-      rust: 1.26.1
-      script:
-      - mv Cargo.lock.min Cargo.lock
-      - cargo build
-
-    # Clippy only
-    - env: CARGO_CLIPPY=1
-
-  allow_failures:
-    - env: CARGO_CLIPPY=1
-    - os: osx # tests on macOS are very fragile, ignore status for now
-
-before_install:
-  - set -e
-  - |
-    if [ $TRAVIS_OS_NAME = windows ]; then
-      choco install windows-sdk-10.1
-    fi
-    if [[ ! -z "$CARGO_AUDIT" ]]; then
-      which cargo-audit || cargo install --debug cargo-audit
-    elif [[ ! -z "$CARGO_CLIPPY" ]]; then
-      rustup component add clippy
-    fi
-# --debug for faster build at the minimal expense of runtime speed
-
-script:
-  - |
-    if [[ ! -z "$CARGO_AUDIT" ]]; then
-      cargo check
-      cargo audit
-    elif [[ ! -z "$CARGO_CLIPPY" ]]; then
-      cargo clippy
-    else
-      cargo test --no-fail-fast
-      cargo test --release --no-fail-fast
-    fi
-
-after_script: set +e
-
-branches:
-  only:
-    # release tags
-    - /^v\d+\.\d+\.\d+.*$/
-
-    # test branches
-    - /^try-/
-
-    # main branches
-    - main
-    - next
diff --git a/Cargo.toml b/Cargo.toml
index b94fbc01..2b48b351 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,9 +18,10 @@ readme = "README.md"
 license = "CC0-1.0"
 keywords = ["events", "filesystem", "notify", "watch"]
 categories = ["filesystem"]
-
-[badges]
-travis-ci = { repository = "notify-rs/notify", branch = "main" }
+exclude = [
+  "/clippy.toml",
+  ".github/*"
+]
 
 [dependencies]
 bitflags = "^1.0.4"
diff --git a/README.md b/README.md
index 38a650d0..140e82e1 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![» Crate](https://flat.badgen.net/crates/v/notify)][crate]
 [![» Docs](https://flat.badgen.net/badge/api/docs.rs/df3600)][docs]
-[![» CI](https://flat.badgen.net/travis/notify-rs/notify/main)][build]
+[![» CI](https://flat.badgen.net/github/checks/notify-rs/notify/try-v4)][build]
 [![» Downloads](https://flat.badgen.net/crates/d/notify)][crate]
 [![» Conduct](https://flat.badgen.net/badge/contributor/covenant/5e0d73)][coc]
 [![» Public Domain](https://flat.badgen.net/badge/license/CC0-1.0/purple)][cc0]
@@ -108,7 +108,7 @@ Public Domain using the [Creative Commons Zero Declaration][cc0].
 [alert-after]: https://github.com/frewsxcv/alert-after
 [alacritty]: https://github.com/jwilm/alacritty
 [artistic]: https://github.com/notify-rs/notify/blob/next/LICENSE
-[build]: https://travis-ci.com/notify-rs/notify
+[build]: https://github.com/notify-rs/notify/actions
 [cargo watch]: https://github.com/passcod/cargo-watch
 [cc0]: https://creativecommons.org/publicdomain/zero/1.0/
 [cobalt]: https://github.com/cobalt-org/cobalt.rs
diff --git a/src/fsevent.rs b/src/fsevent.rs
index e552e08d..dd8504a2 100644
--- a/src/fsevent.rs
+++ b/src/fsevent.rs
@@ -90,6 +90,7 @@ struct StreamContextInfo {
 }
 
 extern "C" {
+    /// Indicates whether the run loop is waiting for an event.
     pub fn CFRunLoopIsWaiting(runloop: cf::CFRunLoopRef) -> bool;
 }