Merge pull request #4992 from sfackler/rust-1.30.0

Upgrade Rust to 1.30.0

library/rust

@@ -1,14 +1,14 @@
-# this file is generated via https://github.com/rust-lang-nursery/docker-rust/blob/5f19dc9303d70f98b5a5c02ad470d551a17f69b2/generate-stackbrew-library.sh
+# this file is generated via https://github.com/rust-lang-nursery/docker-rust/blob/9591b70ba627c079e772a5c00036ce48082fbeda/generate-stackbrew-library.sh
 
 Maintainers: Steven Fackler <[email protected]> (@sfackler)
 GitRepo: https://github.com/rust-lang-nursery/docker-rust.git
 
-Tags: 1.29.2-stretch, 1-stretch, 1.29-stretch, stretch, 1.29.2, 1, 1.29, latest
+Tags: 1.30.0-stretch, 1-stretch, 1.30-stretch, stretch, 1.30.0, 1, 1.30, latest
 Architectures: amd64, arm32v7, arm64v8, i386
-GitCommit: 5f19dc9303d70f98b5a5c02ad470d551a17f69b2
-Directory: 1.29.2/stretch
+GitCommit: 9591b70ba627c079e772a5c00036ce48082fbeda
+Directory: 1.30.0/stretch
 
-Tags: 1.29.2-slim-stretch, 1-slim-stretch, 1.29-slim-stretch, slim-stretch, 1.29.2-slim, 1-slim, 1.29-slim, slim
+Tags: 1.30.0-slim-stretch, 1-slim-stretch, 1.30-slim-stretch, slim-stretch, 1.30.0-slim, 1-slim, 1.30-slim, slim
 Architectures: amd64, arm32v7, arm64v8, i386
-GitCommit: 5f19dc9303d70f98b5a5c02ad470d551a17f69b2
-Directory: 1.29.2/stretch/slim
+GitCommit: 9591b70ba627c079e772a5c00036ce48082fbeda
+Directory: 1.30.0/stretch/slim