Aug 02 10:52:54.272 INFO checking emerald-core-0.9.1 against 1.27.2 for lazy_static-1
Aug 02 10:52:54.272 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:52:54.272 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:52:54.272 INFO running `"docker" "create" "-v" "/tmp/crater.CGSnhoSmmbMq:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 10:52:54.524 INFO blam! 6907a3bdc6015ffdf8897d9465932b3cfe78fe5400ff0c2eda28215a2eb8263e
Aug 02 10:52:54.525 INFO running `"docker" "start" "-a" "6907a3bdc6015ffdf8897d9465932b3cfe78fe5400ff0c2eda28215a2eb8263e"`
Aug 02 10:52:55.889 INFO kablam!     Checking arrayvec v0.4.7
Aug 02 10:52:55.891 INFO kablam!    Compiling rust-scrypt v0.1.0
Aug 02 10:52:55.892 INFO kablam!    Compiling secp256k1 v0.6.3
Aug 02 10:52:55.899 INFO kablam!     Checking uuid v0.5.1
Aug 02 10:53:00.585 INFO kablam!     Checking crossbeam-epoch v0.4.3
Aug 02 10:53:02.290 INFO kablam!     Checking crossbeam-deque v0.3.1
Aug 02 10:53:03.506 INFO kablam!     Checking tokio-threadpool v0.1.5
Aug 02 10:53:06.525 INFO kablam!     Checking tokio-fs v0.1.2
Aug 02 10:53:07.965 INFO kablam!     Checking tokio v0.1.7
Aug 02 10:53:10.212 INFO kablam!     Checking tokio-core v0.1.17
Aug 02 10:53:13.146 INFO kablam!     Checking tokio-proto v0.1.1
Aug 02 10:53:13.148 INFO kablam!     Checking jsonrpc-server-utils v7.1.1
Aug 02 10:53:20.402 INFO kablam!     Checking hyper v0.11.27
Aug 02 10:53:32.153 INFO kablam!     Checking jsonrpc-http-server v7.1.1
Aug 02 10:53:35.724 INFO kablam!     Checking emerald-core v0.9.1 (file:///source)
Aug 02 10:53:49.176 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:53:49.177 INFO kablam!  --> benches/crypto_benches.rs:1:1
Aug 02 10:53:49.177 INFO kablam!   |
Aug 02 10:53:49.177 INFO kablam! 1 | #![feature(test)]
Aug 02 10:53:49.177 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 10:53:49.177 INFO kablam! 
Aug 02 10:53:49.177 INFO kablam! error: aborting due to previous error
Aug 02 10:53:49.177 INFO kablam! 
Aug 02 10:53:49.177 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:53:49.196 INFO kablam! error: Could not compile `emerald-core`.
Aug 02 10:53:49.197 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:53:49.618 INFO kablam! error: build failed
Aug 02 10:53:49.620 INFO kablam! su: No module specific data is present
Aug 02 10:53:50.391 INFO running `"docker" "rm" "-f" "6907a3bdc6015ffdf8897d9465932b3cfe78fe5400ff0c2eda28215a2eb8263e"`
Aug 02 10:53:50.473 INFO blam! 6907a3bdc6015ffdf8897d9465932b3cfe78fe5400ff0c2eda28215a2eb8263e