Make tracing-subscriber mandatory

Cargo.toml

@@ -101,9 +101,7 @@ cargo-xwin = { version = "0.16.4", default-features = false, optional = true }
 
 # log
 tracing = "0.1.36"
-tracing-subscriber = { version = "0.3.15", features = [
-    "env-filter",
-], optional = true }
+tracing-subscriber = { version = "0.3.15", features = ["env-filter"] }
 
 # project scaffolding, maturin new/init/generate-ci
 dialoguer = { version = "0.11.0", default-features = false, optional = true }
@@ -146,9 +144,7 @@ which = "6.0.0"
 [features]
 default = ["full", "rustls"]
 
-full = ["cli-completion", "cross-compile", "log", "scaffolding", "upload"]
-
-log = ["tracing-subscriber"]
+full = ["cli-completion", "cross-compile", "scaffolding", "upload"]
 
 cli-completion = ["dep:clap_complete_command"]
 
@@ -191,8 +187,9 @@ scaffolding = ["dialoguer", "console", "minijinja", "unicode-xid"]
 # Internal feature to speed up the tests significantly
 faster-tests = []
 
-# Deprecated features, keep it now for compatibility
+# Deprecated features, keep them now for compatibility
 human-panic = []
+log = []
 
 [profile.profiling]
 inherits = "release"

src/main.rs

@@ -23,7 +23,6 @@ use maturin::{upload_ui, PublishOpt};
 use std::env;
 use std::path::PathBuf;
 use tracing::{debug, instrument};
-#[cfg(feature = "log")]
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 
 #[derive(Debug, Parser)]
@@ -464,20 +463,17 @@ fn main() {
     #[cfg(not(debug_assertions))]
     setup_panic_hook();
 
-    #[cfg(feature = "log")]
-    {
-        let logger = tracing_subscriber::fmt::layer()
-            // Avoid showing all the details from the spans
-            .compact()
-            // Log the timing of each span
-            .with_span_events(tracing_subscriber::fmt::format::FmtSpan::CLOSE);
+    let logger = tracing_subscriber::fmt::layer()
+        // Avoid showing all the details from the spans
+        .compact()
+        // Log the timing of each span
+        .with_span_events(tracing_subscriber::fmt::format::FmtSpan::CLOSE);
 
-        tracing_subscriber::registry()
-            // `RUST_LOG` support
-            .with(tracing_subscriber::EnvFilter::from_default_env())
-            .with(logger)
-            .init();
-    }
+    tracing_subscriber::registry()
+        // `RUST_LOG` support
+        .with(tracing_subscriber::EnvFilter::from_default_env())
+        .with(logger)
+        .init();
 
     if let Err(e) = run() {
         eprintln!("💥 maturin failed");