Add chrono-fuzz to CI and update its libfuzzer-sys dependency

.github/workflows/lint.yml

@@ -4,12 +4,6 @@ on:
   push:
     branches: [main, 0.4.x]
   pull_request:
-    paths:
-      - "**.rs"
-      - .github/**
-      - .ci/**
-      - Cargo.toml
-      - deny.toml
 
 jobs:
   lint:
@@ -19,8 +13,12 @@ jobs:
       - uses: actions/checkout@v2
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v1
-      - run: cargo fmt -- --check --color=always
-      - run: cargo clippy --color=always -- -D warnings -A clippy::manual-non-exhaustive
+      - run: |
+          cargo fmt --check -- --color=always
+          cargo fmt --check --manifest-path fuzz/Cargo.toml
+      - run: |
+          cargo clippy --color=always -- -D warnings -A clippy::manual-non-exhaustive
+          cargo clippy --manifest-path fuzz/Cargo.toml --color=always -- -D warnings
         env:
           RUSTFLAGS: "-Dwarnings"
 

.github/workflows/test.yml

@@ -4,11 +4,6 @@ on:
   push:
     branches: [main, 0.4.x]
   pull_request:
-    paths:
-      - "**.rs"
-      - .github/**
-      - .ci/**
-      - Cargo.toml
 
 jobs:
   timezones_linux:
@@ -67,6 +62,7 @@ jobs:
         with:
           toolchain: ${{ matrix.rust_version }}
       - uses: Swatinem/rust-cache@v1
+      - run: cargo check --manifest-path fuzz/Cargo.toml --all-targets
       # run --lib and --doc to avoid the long running integration tests which are run elsewhere
       - run: cargo test --lib --all-features --color=always -- --color=always
       - run: cargo test --doc --all-features --color=always -- --color=always

fuzz/Cargo.toml

@@ -10,7 +10,7 @@ edition = "2018"
 cargo-fuzz = true
 
 [dependencies]
-libfuzzer-sys = "0.3"
+libfuzzer-sys = "0.4"
 
 [dependencies.chrono]
 path = ".."