Auto merge of #5991 - alexcrichton:bump, r=alexcrichton

Bump Cargo to 0.30.0

Looks like we accidentally forgot to do this!

Author: bors

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cargo"
-version = "0.30.0"
+version = "0.31.0"
 authors = ["Yehuda Katz <[email protected]>",
            "Carl Lerche <[email protected]>",
            "Alex Crichton <[email protected]>"]
@@ -18,7 +18,7 @@ path = "src/cargo/lib.rs"
 
 [dependencies]
 atty = "0.2"
-crates-io = { path = "src/crates-io", version = "0.18" }
+crates-io = { path = "src/crates-io", version = "0.19" }
 crossbeam-utils = "0.5"
 crypto-hash = "0.3.1"
 curl = "0.4.13"

src/crates-io/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "crates-io"
-version = "0.18.0"
+version = "0.19.0"
 authors = ["Alex Crichton <[email protected]>"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/cargo"