fix: Support new cargo config get env format

Author: Veykril

src/tools/rust-analyzer/crates/project-model/src/env.rs

@@ -75,14 +75,26 @@ pub(crate) fn cargo_config_env(
     }
     // if successful we receive `env.key.value = "value" per entry
     tracing::debug!("Discovering cargo config env by {:?}", cargo_config);
-    utf8_stdout(cargo_config).map(parse_output_cargo_config_env).unwrap_or_default()
+    utf8_stdout(cargo_config)
+        .map(parse_output_cargo_config_env)
+        .inspect(|env| {
+            tracing::debug!("Discovered cargo config env: {:?}", env);
+        })
+        .inspect_err(|err| {
+            tracing::error!("Failed to discover cargo config env: {:?}", err);
+        })
+        .unwrap_or_default()
 }
 
 fn parse_output_cargo_config_env(stdout: String) -> FxHashMap<String, String> {
     stdout
         .lines()
         .filter_map(|l| l.strip_prefix("env."))
-        .filter_map(|l| l.split_once(".value = "))
+        .filter_map(|l| {
+            l.split_once(" = ")
+                // cargo used to report it with this, keep it for a couple releases around
+                .or_else(|| l.split_once(".value = "))
+        })
         .map(|(key, value)| (key.to_owned(), value.trim_matches('"').to_owned()))
         .collect()
 }