Applying this patch restores compatibility with Rust < 1.27 (but causes newer
versions to report "warning: trait objects without an explicit `dyn` are
deprecated").

diff --git a/rust/src/main.rs b/rust/src/main.rs
index 064325a9..bf752795 100644
--- a/rust/src/main.rs
+++ b/rust/src/main.rs
@@ -56,9 +56,9 @@ fn main() {
 
 
         let mut output = if let Some(output_file) = output_arg {
-            Box::new(File::create(Path::new(&output_file)).unwrap()) as Box<dyn Write>
+            Box::new(File::create(Path::new(&output_file)).unwrap()) as Box<Write>
         } else {
-            Box::new(std::io::stdout()) as Box<dyn Write>
+            Box::new(std::io::stdout()) as Box<Write>
         };
 
         if let Some(input_file) = input_arg {
diff --git a/rust/src/snowball/among.rs b/rust/src/snowball/among.rs
index 57fc8bae..70631933 100644
--- a/rust/src/snowball/among.rs
+++ b/rust/src/snowball/among.rs
@@ -3,4 +3,4 @@ use snowball::SnowballEnv;
 pub struct Among<T: 'static>(pub &'static str,
                              pub i32,
                              pub i32,
-                             pub Option<&'static (dyn Fn(&mut SnowballEnv, &mut T) -> bool + Sync)>);
+                             pub Option<&'static (Fn(&mut SnowballEnv, &mut T) -> bool + Sync)>);