Fix versions

Cargo.lock

@@ -691,7 +691,7 @@ dependencies = [
 
 [[package]]
 name = "signal-hook"
-version = "0.4.0"
+version = "0.3.9"
 dependencies = [
  "cc",
  "libc",

signal-hook-async-std/Cargo.toml

@@ -23,7 +23,7 @@ maintenance = { status = "actively-developed" }
 libc = "~0.2"
 async-io = "~1"
 futures-lite = "~1"
-signal-hook = { version = "~0.4", path = ".." }
+signal-hook = { version = "~0.3", path = ".." }
 
 [dev-dependencies]
 async-std = { version = "~1", features = ["attributes"] }

signal-hook-async-std/tests/async_std.rs

@@ -46,9 +46,9 @@ async fn delayed() {
     let signals_task = async_std::task::spawn(get_signal(signals, Arc::clone(&recieved)));
 
     async_std::task::sleep(Duration::from_millis(100)).await;
-    assert_eq!(recieved.load(Ordering::SeqCst), false);
+    assert!(!recieved.load(Ordering::SeqCst));
 
     raise(SIGUSR1).unwrap();
     signals_task.await;
-    assert_eq!(recieved.load(Ordering::SeqCst), true);
+    assert!(recieved.load(Ordering::SeqCst));
 }

signal-hook-mio/Cargo.toml

@@ -25,7 +25,7 @@ support-v0_7 = ["mio-0_7"]
 
 [dependencies]
 libc = "~0.2"
-signal-hook = { version = "~0.4", path = ".." }
+signal-hook = { version = "~0.3", path = ".." }
 mio-0_7 = { package = "mio", version = "~0.7", features = ["os-util", "uds"], optional = true}
 mio-0_6 = { package = "mio", version = "~0.6", optional = true}
 mio-uds = { version = "~0.6", optional = true}

signal-hook-registry/Cargo.toml

@@ -21,4 +21,4 @@ maintenance = { status = "actively-developed" }
 libc = "~0.2"
 
 [dev-dependencies]
-signal-hook = { version = "~0.4", path = ".." }
+signal-hook = { version = "~0.3", path = ".." }

signal-hook-tokio/Cargo.toml

@@ -24,7 +24,7 @@ futures-v0_3 = ["futures-core-0_3"]
 
 [dependencies]
 libc = "~0.2"
-signal-hook = { version = "~0.4", path = ".." }
+signal-hook = { version = "~0.3", path = ".." }
 futures-core-0_3 = { package = "futures-core", version = "~0.3", optional = true }
 tokio = { version = "~1", features = ["net"] }
 

tests/iterator.rs

@@ -247,7 +247,7 @@ fn delayed_signal_consumed() {
 fn is_closed_initially_returns_false() {
     let (_, controller) = setup_for_sigusr2();
 
-    assert_eq!(controller.is_closed(), false);
+    assert!(!controller.is_closed());
 }
 
 #[test]
@@ -256,5 +256,5 @@ fn is_closed_returns_true_when_closed() {
     let (_, controller) = setup_for_sigusr2();
     controller.close();
 
-    assert_eq!(controller.is_closed(), true);
+    assert!(controller.is_closed());
 }