Aug 02 10:51:23.750 INFO checking encoding-index-simpchinese-1.20141219.5 against 1.27.2 for lazy_static-1 Aug 02 10:51:23.750 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 10:51:23.750 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 10:51:23.750 INFO running `"docker" "create" "-v" "/tmp/crater.Ho5hCozC5XmH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 10:51:23.886 INFO blam! 9c2973156c3a269cf2b9a6f8a1a7b322810f9268d23383748f2131c2bda34a4d Aug 02 10:51:23.889 INFO running `"docker" "start" "-a" "9c2973156c3a269cf2b9a6f8a1a7b322810f9268d23383748f2131c2bda34a4d"` Aug 02 10:51:25.259 INFO kablam! Checking encoding-index-simpchinese v1.20141219.5 (file:///source) Aug 02 10:51:25.799 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 10:51:25.799 INFO kablam! --> lib.rs:9:19 Aug 02 10:51:25.799 INFO kablam! | Aug 02 10:51:25.799 INFO kablam! 9 | #![cfg_attr(test, feature(test))] Aug 02 10:51:25.800 INFO kablam! | ^^^^^^^^^^^^^^ Aug 02 10:51:25.800 INFO kablam! Aug 02 10:51:25.807 INFO kablam! error: aborting due to previous error Aug 02 10:51:25.807 INFO kablam! Aug 02 10:51:25.807 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 10:51:25.815 INFO kablam! error: Could not compile `encoding-index-simpchinese`. Aug 02 10:51:25.815 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 10:51:26.441 INFO kablam! error: build failed Aug 02 10:51:26.441 INFO kablam! su: No module specific data is present Aug 02 10:51:27.086 INFO running `"docker" "rm" "-f" "9c2973156c3a269cf2b9a6f8a1a7b322810f9268d23383748f2131c2bda34a4d"` Aug 02 10:51:27.231 INFO blam! 9c2973156c3a269cf2b9a6f8a1a7b322810f9268d23383748f2131c2bda34a4d