Aug 02 11:40:14.851 INFO checking descent-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:40:14.851 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:40:14.851 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:40:14.852 INFO running `"docker" "create" "-v" "/tmp/crater.GHcOmXcyVpML:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+tmplazy:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 11:40:15.102 INFO blam! ac8c1ba74062425d3c93c90a49483d754b299f0bb0cafa6aa032ae99cfd8121a
Aug 02 11:40:15.106 INFO running `"docker" "start" "-a" "ac8c1ba74062425d3c93c90a49483d754b299f0bb0cafa6aa032ae99cfd8121a"`
Aug 02 11:40:16.111 INFO kablam!     Checking descent v0.2.0 (file:///source)
Aug 02 11:40:16.689 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:40:16.689 INFO kablam!  --> src/lib.rs:9:1
Aug 02 11:40:16.689 INFO kablam!   |
Aug 02 11:40:16.689 INFO kablam! 9 | #![feature(test)] // enable benchmarking
Aug 02 11:40:16.689 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 11:40:16.689 INFO kablam! 
Aug 02 11:40:16.708 INFO kablam! error: aborting due to previous error
Aug 02 11:40:16.708 INFO kablam! 
Aug 02 11:40:16.708 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:40:16.714 INFO kablam! error: Could not compile `descent`.
Aug 02 11:40:16.715 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:40:16.879 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:40:16.879 INFO kablam!  --> src/lib.rs:9:1
Aug 02 11:40:16.879 INFO kablam!   |
Aug 02 11:40:16.879 INFO kablam! 9 | #![feature(test)] // enable benchmarking
Aug 02 11:40:16.879 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 11:40:16.879 INFO kablam! 
Aug 02 11:40:16.886 INFO kablam! error: aborting due to previous error
Aug 02 11:40:16.886 INFO kablam! 
Aug 02 11:40:16.886 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:40:16.896 INFO kablam! error: Could not compile `descent`.
Aug 02 11:40:16.896 INFO kablam! 
Aug 02 11:40:16.896 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:40:16.897 INFO kablam! su: No module specific data is present
Aug 02 11:40:17.445 INFO running `"docker" "rm" "-f" "ac8c1ba74062425d3c93c90a49483d754b299f0bb0cafa6aa032ae99cfd8121a"`
Aug 02 11:40:17.698 INFO blam! ac8c1ba74062425d3c93c90a49483d754b299f0bb0cafa6aa032ae99cfd8121a