diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6077b7..1a69295 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,13 +19,6 @@ jobs:
           - beta
           - nightly
           - 1.51.0
-        features:
-          - default
-          - no_defaults
-          - file_locks
-        include:
-        - rust: nightly
-          features: all
     steps:
       - uses: actions/checkout@v2.3.4
       - uses: actions-rs/toolchain@v1.0.7
@@ -40,42 +33,36 @@ jobs:
         with:
           command: fmt
           args: -- --check
-        if: ${{ matrix.features == 'default' && matrix.rust == 'nightly' }}
+        if: ${{ matrix.rust == 'nightly' }}
       - name: Clippy
         uses: actions-rs/cargo@v1.0.3
         env:
           RUSTFLAGS: -Dwarnings
         with:
           command: clippy
-        if: ${{ matrix.features == 'default' }}
         continue-on-error: ${{ matrix.rust == 'nightly' || matrix.rust == 'beta' }}
-      - name: Build and test feature ${{ matrix.features }}
+      - name: Install cargo-binstall
+        run: |
+          curl --location --remote-name https://github.com/ryankurte/cargo-binstall/releases/download/v0.11.1/cargo-binstall-x86_64-unknown-linux-musl.tgz
+          tar -zxvf cargo-binstall-x86_64-unknown-linux-musl.tgz
+          mv cargo-binstall ~/.cargo/bin
+          ls -l ~/.cargo/bin
+      - name: Install "build all features"
         uses: actions-rs/cargo@v1.0.3
         with:
-          command: test
-          args: --features ${{ matrix.features }} -- --nocapture
-        env:
-          RUST_TEST_THREADS: 3 # So the parallel tests have enough threads
-          RUST_LOG: debug
-        if: ${{ matrix.features != 'all' && matrix.features != 'no_defaults' }}
-      - name: Build and test all features
+          command: binstall
+          args: cargo-all-features --no-confirm --version 1.7.0
+      - name: Build all features
         uses: actions-rs/cargo@v1.0.3
         with:
-          command: test
-          args: --all-features -- --nocapture
-        if: ${{ matrix.features == 'all' }}
-        env:
-          RUST_TEST_THREADS: 3 # So the parallel tests have enough threads
-          RUST_LOG: debug
-      - name: Build and test without default features
+          command: build-all-features
+      - name: Test all features
         uses: actions-rs/cargo@v1.0.3
         with:
-          command: test
-          args: --no-default-features -- --nocapture
-        if: ${{ matrix.features == 'no_defaults' }}
+          command: test-all-features          
         env:
           RUST_TEST_THREADS: 3 # So the parallel tests have enough threads
-          RUST_LOG: debug          
+          RUST_LOG: debug
 
   multi-os-testing:
     name: Test suite
diff --git a/serial_test/Cargo.toml b/serial_test/Cargo.toml
index 23bd311..d2777e8 100644
--- a/serial_test/Cargo.toml
+++ b/serial_test/Cargo.toml
@@ -45,3 +45,7 @@ docsrs = ["document-features"]
 all-features = true
 # defines the configuration attribute `docsrs`
 rustdoc-args = ["--cfg", "docsrs"]
+
+[package.metadata.cargo-all-features]
+skip_optional_dependencies = true
+denylist = ["docsrs"]
\ No newline at end of file
diff --git a/serial_test/src/code_lock.rs b/serial_test/src/code_lock.rs
index 48e2128..279b3fb 100644
--- a/serial_test/src/code_lock.rs
+++ b/serial_test/src/code_lock.rs
@@ -1,6 +1,6 @@
 use crate::rwlock::{Locks, MutexGuardWrapper};
 use lazy_static::lazy_static;
-#[cfg(feature = "logging")]
+#[cfg(all(feature = "logging", feature = "timeout"))]
 use log::debug;
 use parking_lot::RwLock;
 #[cfg(feature = "timeout")]
diff --git a/serial_test/src/lib.rs b/serial_test/src/lib.rs
index 28e9abc..838ca9b 100644
--- a/serial_test/src/lib.rs
+++ b/serial_test/src/lib.rs
@@ -1,6 +1,7 @@
 #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
 #![deny(unused_variables)]
 #![deny(missing_docs)]
+#![deny(unused_imports)]
 
 //! # serial_test
 //! `serial_test` allows for the creation of serialised Rust tests using the [serial](macro@serial) attribute