Bump rust to 1.22.1

library/rust

@@ -1,14 +1,14 @@
-# this file is generated via https://github.com/rust-lang-nursery/docker-rust/blob/6424dba66086036a0cedde6c86c281d892305f95/generate-stackbrew-library.sh
+# this file is generated via https://github.com/rust-lang-nursery/docker-rust/blob/bf3548d9115a3838607178b49be61de50f8613f4/generate-stackbrew-library.sh
 
 Maintainers: Steven Fackler <[email protected]> (@sfackler)
 GitRepo: https://github.com/rust-lang-nursery/docker-rust.git
 
-Tags: 1.21.0-stretch, 1-stretch, 1.21-stretch, stretch, 1.21.0, 1, 1.21, latest
+Tags: 1.22.1-stretch, 1-stretch, 1.22-stretch, stretch, 1.22.1, 1, 1.22, latest
 Architectures: amd64, arm32v7, arm64v8, i386
-GitCommit: 6424dba66086036a0cedde6c86c281d892305f95
-Directory: 1.21.0/stretch
+GitCommit: eddbafa6fd373678b680b52cee861609c95a9ea4
+Directory: 1.22.1/stretch
 
-Tags: 1.21.0-jessie, 1-jessie, 1.21-jessie, jessie
+Tags: 1.22.1-jessie, 1-jessie, 1.22-jessie, jessie
 Architectures: amd64, arm32v7, arm64v8, i386
-GitCommit: 6424dba66086036a0cedde6c86c281d892305f95
-Directory: 1.21.0/jessie
+GitCommit: eddbafa6fd373678b680b52cee861609c95a9ea4
+Directory: 1.22.1/jessie