Upgrade minimum reqiured version of Rust to 1.29

This upgrades the minimum required version of Rust to 1.29 in order to
fix #288.

See also:
- Rust compiler bug ticket: rust-lang/rust#50619
- Rust compiler PR with the fix: rust-lang/rust#50630

closes #288

1 files changed, 3 insertions, 4 deletions

diff --git a/build.rs b/build.rs
index 5bc9b4b..d45d98b 100644
--- a/build.rs
+++ b/build.rs
@@ -18,12 +18,11 @@ use std::process::exit;
 include!("src/app.rs");
 
 fn main() {
-    match version_check::is_min_version("1.20") {
-        // rustc >= 1.20
+    match version_check::is_min_version("1.29") {
         Some((true, _)) => {}
-        // rustc < 1.20 or can't figure it out
+        // rustc version too small or can't figure it out
         _ => {
-            writeln!(&mut io::stderr(), "This crate requires rustc >= 1.20").unwrap();
+            writeln!(&mut io::stderr(), "'fd' requires rustc >= 1.29").unwrap();
             exit(1);
         }
     }