From 12554997a79a0289866f821d55b78d437df3aa91 Mon Sep 17 00:00:00 2001
From: Moritz Ulrich <moritz@tarn-vedra.de>
Date: Wed, 27 Apr 2016 10:04:41 +0200
Subject: [PATCH] rustc+cargo: Mark -unstable as lowPrio.

---
 pkgs/top-level/all-packages.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 36239d294319..4008384dde47 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5097,13 +5097,13 @@ in
 
   rtags = callPackage ../development/tools/rtags/default.nix {};
 
-  rustcMaster = callPackage ../development/compilers/rustc/head.nix {};
+  rustcMaster = lowPrio (callPackage ../development/compilers/rustc/head.nix {});
   rustc = callPackage ../development/compilers/rustc {};
 
   rustPlatform = rustStable;
 
   rustStable = recurseIntoAttrs (makeRustPlatform cargo rustStable);
-  rustUnstable = recurseIntoAttrs (makeRustPlatform cargoUnstable rustUnstable);
+  rustUnstable = lowPrio (recurseIntoAttrs (makeRustPlatform cargoUnstable rustUnstable));
 
   # rust platform to build cargo itself (with cargoSnapshot)
   rustCargoPlatform = makeRustPlatform (cargoSnapshot rustc) rustCargoPlatform;
@@ -5783,9 +5783,9 @@ in
     rustPlatform = rustCargoPlatform;
   };
 
-  cargoUnstable = callPackage ../development/tools/build-managers/cargo/head.nix {
+  cargoUnstable = lowPrio (callPackage ../development/tools/build-managers/cargo/head.nix {
     rustPlatform = rustUnstableCargoPlatform;
-  };
+  });
 
   cargoSnapshot = rustc:
     callPackage ../development/tools/build-managers/cargo/snapshot.nix {