upgrade to rust 2021 edition

4 files changed, 2 insertions, 4 deletions

diff --git a/src/primitive/message.rs b/src/primitive/message.rs
index e73f3dd..ff992e3 100644
--- a/src/primitive/message.rs
+++ b/src/primitive/message.rs
@@ -1,4 +1,4 @@
-use std::{collections::HashMap, convert::TryInto, vec::Vec};
+use std::{collections::HashMap, vec::Vec};
 
 use failure::Error;
 
diff --git a/src/primitive/stringlist.rs b/src/primitive/stringlist.rs
index ceea63e..434f2f2 100644
--- a/src/primitive/stringlist.rs
+++ b/src/primitive/stringlist.rs
@@ -1,6 +1,5 @@
 extern crate byteorder;
 
-use std::convert::TryInto;
 use std::result::Result;
 use std::vec::Vec;
 
diff --git a/src/primitive/variantlist.rs b/src/primitive/variantlist.rs
index 2d20ae2..b3ca720 100644
--- a/src/primitive/variantlist.rs
+++ b/src/primitive/variantlist.rs
@@ -1,4 +1,3 @@
-use std::convert::TryInto;
 use std::vec::Vec;
 
 use failure::Error;
diff --git a/src/primitive/variantmap.rs b/src/primitive/variantmap.rs
index 8c1032d..1eeb006 100644
--- a/src/primitive/variantmap.rs
+++ b/src/primitive/variantmap.rs
@@ -1,5 +1,5 @@
 use std::collections::HashMap;
-use std::{convert::TryInto, vec::Vec};
+use std::vec::Vec;
 
 use failure::Error;