Auto merge of #147 - servo:rustup, r=SimonSapin

Update to Rust 2016-02-26

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Author: bors-servo

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 
 name = "string_cache"
-version = "0.2.10"
+version = "0.2.11"
 authors = [ "The Servo Project Developers" ]
 description = "A string interning library for Rust, developed as part of the Servo project."
 license = "MIT / Apache-2.0"
@@ -29,7 +29,7 @@ heap_size = ["heapsize", "heapsize_plugin"]
 
 [dependencies]
 lazy_static = "0.1.10"
-serde = "0.6"
+serde = ">=0.6, <0.8"
 phf_shared = "0.7.4"
 debug_unreachable = "0.0.6"
 
@@ -45,7 +45,7 @@ version = ">=0.1.1, <0.4"
 optional = true
 
 [dependencies.heapsize_plugin]
-version = "0.1.1"
+version = "0.1.4"
 optional = true
 
 [build-dependencies]