Bug 1485184 - Bump enforced upper rustc version limit. r=glandium

Differential Revision: https://phabricator.services.mozilla.com/D4036

--HG--
extra : moz-landing-system : lando

toolkit/library/rust/shared/build.rs

@@ -9,10 +9,10 @@ fn main() {
     if ver >= Version::parse("1.24.0").unwrap() && ver < Version::parse("1.27.0").unwrap() {
         println!("cargo:rustc-cfg=feature=\"oom_with_global_alloc\"");
         bootstrap = true;
-    } else if ver >= Version::parse("1.28.0-alpha").unwrap() && ver < Version::parse("1.30.0-alpha").unwrap() {
+    } else if ver >= Version::parse("1.28.0-alpha").unwrap() && ver < Version::parse("1.31.0-alpha").unwrap() {
         println!("cargo:rustc-cfg=feature=\"oom_with_hook\"");
         bootstrap = true;
-    } else if std::env::var("MOZ_AUTOMATION").is_ok() && ver >= Version::parse("1.30.0-alpha").unwrap() {
+    } else if std::env::var("MOZ_AUTOMATION").is_ok() && ver >= Version::parse("1.31.0-alpha").unwrap() {
         // For the sake of the base-toolchains build we allow building with 1.27, but
         // retain this check for newer versions.
         panic!("Builds on automation must use a version of rust that supports OOM hooking")