Fix tracing_subscriber filtering

Cargo.toml

@@ -27,7 +27,7 @@ include = [
 anyhow = "1.0.62"
 clap = { version = "3.2.17", features = ["derive", "env"] }
 tracing = "0.1.36"
-tracing-subscriber = "0.3.15"
+tracing-subscriber = { version = "0.3.15", features = ["env-filter"] }
 heck = "0.4.0"
 zip = { version = "0.6.2", default-features = false }
 parity-wasm = "0.45.0"

src/cmd/extrinsics/integration_tests.rs

@@ -121,22 +121,6 @@ impl ContractsNodeProcess {
     }
 }
 
-/// Init a tracing subscriber for logging in tests.
-///
-/// Be aware that this enables `TRACE` by default. It also ignores any error
-/// while setting up the logger.
-///
-/// The logs are not shown by default, logs are only shown when the test fails
-/// or if [`nocapture`](https://doc.rust-lang.org/cargo/commands/cargo-test.html#display-options)
-/// is being used.
-#[cfg(feature = "std")]
-pub fn init_tracing_subscriber() {
-    let _ = tracing_subscriber::fmt()
-        .with_max_level(tracing::Level::TRACE)
-        .with_test_writer()
-        .try_init();
-}
-
 /// Sanity test the whole lifecycle of:
 ///   new -> build -> upload -> instantiate -> call
 ///
@@ -152,7 +136,7 @@ pub fn init_tracing_subscriber() {
 #[ignore]
 #[async_std::test]
 async fn build_upload_instantiate_call() {
-    init_tracing_subscriber();
+    crate::util::tests::init_tracing_subscriber();
 
     let tmp_dir = tempfile::Builder::new()
         .prefix("cargo-contract.cli.test.")

src/cmd/metadata.rs

@@ -330,7 +330,7 @@ mod tests {
 
     #[test]
     fn generate_metadata() {
-        tracing_subscriber::fmt::init();
+        crate::util::tests::init_tracing_subscriber();
         with_new_contract_project(|manifest_path| {
             // add optional metadata fields
             let mut test_manifest = TestContractManifest::new(manifest_path)?;

src/util.rs

@@ -251,6 +251,21 @@ pub mod tests {
         std::fs::set_permissions(&path, std::fs::Permissions::from_mode(0o777))
             .expect("setting permissions failed");
     }
+
+    /// Init a tracing subscriber for logging in tests.
+    ///
+    /// Be aware that this enables `TRACE` by default. It also ignores any error
+    /// while setting up the logger.
+    ///
+    /// The logs are not shown by default, logs are only shown when the test fails
+    /// or if [`nocapture`](https://doc.rust-lang.org/cargo/commands/cargo-test.html#display-options)
+    /// is being used.
+    pub fn init_tracing_subscriber() {
+        let _ = tracing_subscriber::fmt()
+            .with_max_level(tracing::Level::TRACE)
+            .with_test_writer()
+            .try_init();
+    }
 }
 
 // Unzips the file at `template` to `out_dir`.