Aug 02 13:47:02.762 INFO checking bs58-0.2.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:47:02.762 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:47:02.762 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:47:02.762 INFO running `"docker" "create" "-v" "/tmp/crater.JbmgXkLM2HTJ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 13:47:03.003 INFO blam! f58cbe451917ed3b7d7ec9e2512d4e903cee78930606c924dfc6b5ff3ad10cec
Aug 02 13:47:03.006 INFO running `"docker" "start" "-a" "f58cbe451917ed3b7d7ec9e2512d4e903cee78930606c924dfc6b5ff3ad10cec"`
Aug 02 13:47:04.014 INFO kablam!     Checking bs58 v0.2.1 (file:///source)
Aug 02 13:47:04.015 INFO kablam!     Checking rust-base58 v0.0.4
Aug 02 13:47:07.894 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:47:07.894 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 13:47:07.894 INFO kablam!   |
Aug 02 13:47:07.895 INFO kablam! 1 | #![feature(test)]
Aug 02 13:47:07.895 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 13:47:07.895 INFO kablam! 
Aug 02 13:47:07.898 INFO kablam! error: aborting due to previous error
Aug 02 13:47:07.898 INFO kablam! 
Aug 02 13:47:07.899 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:47:07.908 INFO kablam! error: Could not compile `bs58`.
Aug 02 13:47:07.908 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:47:08.064 INFO kablam! error: build failed
Aug 02 13:47:08.064 INFO kablam! su: No module specific data is present
Aug 02 13:47:09.045 INFO running `"docker" "rm" "-f" "f58cbe451917ed3b7d7ec9e2512d4e903cee78930606c924dfc6b5ff3ad10cec"`
Aug 02 13:47:09.191 INFO blam! f58cbe451917ed3b7d7ec9e2512d4e903cee78930606c924dfc6b5ff3ad10cec