Use tracing-based subscriber logging, companion: for #6825

frame/bridge/relayer-game/src/mock.rs

@@ -387,7 +387,7 @@ impl ExtBuilder {
 	pub fn build(self) -> sp_io::TestExternalities {
 		self.set_associated_constants();
 
-		let _ = env_logger::try_init();
+		sp_tracing::try_init_simple();
 		let mut storage = frame_system::GenesisConfig::default()
 			.build_storage::<Test>()
 			.unwrap();

frame/staking/Cargo.toml

@@ -34,7 +34,6 @@ sp-std            = { default-features = false, git = "https://github.com/darwin
 
 [dev-dependencies]
 # crates
-env_logger  = "0.7.1"
 rand_chacha = { version = "0.2" }
 # darwinia
 darwinia-balances = { path = "../../frame/balances" }
@@ -43,6 +42,7 @@ darwinia-support  = { features = ["easy-testing"], path = "../support" }
 pallet-timestamp     = { git = "https://github.com/darwinia-network/substrate.git", branch = "common-library" }
 sp-storage           = { git = "https://github.com/darwinia-network/substrate.git", branch = "common-library" }
 substrate-test-utils = { git = "https://github.com/darwinia-network/substrate.git", branch = "common-library" }
+sp-tracing           = { git = "https://github.com/darwinia-network/substrate.git", branch = "common-library" }
 
 [features]
 default = ["std"]

frame/staking/src/mock.rs

@@ -429,7 +429,7 @@ impl ExtBuilder {
 		MAX_ITERATIONS.with(|v| *v.borrow_mut() = self.max_offchain_iterations);
 	}
 	pub fn build(self) -> sp_io::TestExternalities {
-		let _ = env_logger::try_init();
+		sp_tracing::try_init_simple();
 		self.set_associated_constants();
 		let mut storage = frame_system::GenesisConfig::default()
 			.build_storage::<Test>()