Super simple proof of concept online buildpack for Rust on Cloud Foundry.
$ pwd
/Users/pivotal/workspace/rust-buildpack
$ buildpack-packager --cached
Downloading rust version 1.10.0 from: file:///Users/pivotal/workspace/rust-output/rust-1.10.0.tgz
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 232M 100 232M 0 0 292M 0 --:--:-- --:--:-- --:--:-- 279M
Using rust version 1.10.0 with size 233M
rust version 1.10.0 matches the manifest provided md5 checksum of 1460714f450f3f1d2ff2032acdcbb436
Cached buildpack created and saved as /Users/pivotal/workspace/rust-buildpack/rust_buildpack-cached-v0.0.2.zip with a size of 106M
$ cf create-buildpack rust-buildpack rust_buildpack-v0.0.2.zip 1
Creating buildpack rust-buildpack...
OK
Uploading buildpack rust-buildpack...
Done uploading
OK
$ cd ./cf_spec/fixtures/rust_app_hello_world_server
$ cf push