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-rw-r--r--src/libstd/process.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstd/process.rs b/src/libstd/process.rs
index 7a85e588662..d46cf7a26da 100644
--- a/src/libstd/process.rs
+++ b/src/libstd/process.rs
@@ -437,7 +437,10 @@ impl Command {
     /// # Examples
     ///
     /// Basic usage:
+    ///
     /// ```no_run
+    /// #![feature(command_envs)]
+    ///
     /// use std::process::{Command, Stdio};
     /// use std::env;
     /// use std::collections::HashMap;