Update syscall and other dependencies.

Cargo.toml

@@ -11,10 +11,10 @@ version = "0.1.0"
 failure = "0.1.1"
 orbclient = "0.3.30"
 orbfont = "0.1"
-redox_syscall = "0.2.1"
-serde = "0.9"
-serde_derive = "0.9"
-toml = "0.3"
+redox_syscall = "0.2.9"
+serde = "1"
+serde_derive = "1"
+toml = "0.5"
 
 [dependencies.orbital-core]
 path = "orbital-core"

orbital-core/src/lib.rs

@@ -349,8 +349,7 @@ pub struct OrbitalHandler<H: Handler> {
     handler: H
 }
 impl<H: Handler> SchemeMut for OrbitalHandler<H> {
-    fn open(&mut self, path: &[u8], _: usize, _: u32, _: u32) -> syscall::Result<usize> {
-        let path = str::from_utf8(path).or(Err(syscall::Error::new(EINVAL)))?;
+    fn open(&mut self, path: &str, _: usize, _: u32, _: u32) -> syscall::Result<usize> {
         let mut parts = path.split("/");
 
         let flags = parts.next().unwrap_or("");

src/main.rs

 //#![deny(warnings)]
-#![feature(const_fn)]
 
 extern crate orbital_core;