Aug 02 02:57:57.070 INFO checking ordslice-0.3.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 02:57:57.070 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:57:57.070 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:57:57.070 INFO running `"docker" "create" "-v" "/tmp/crater.UmFfBAqOCtCh:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 02:57:57.310 INFO blam! fc4ea657ee26422918940adfeda2351a681ce49239f4b47e8caab73ec7d42486
Aug 02 02:57:57.313 INFO running `"docker" "start" "-a" "fc4ea657ee26422918940adfeda2351a681ce49239f4b47e8caab73ec7d42486"`
Aug 02 02:57:58.653 INFO kablam!     Checking ordslice v0.3.0 (file:///source)
Aug 02 02:57:59.959 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:57:59.959 INFO kablam!   --> benches/bench.rs:15:1
Aug 02 02:57:59.959 INFO kablam!    |
Aug 02 02:57:59.959 INFO kablam! 15 | #![feature(test)]
Aug 02 02:57:59.959 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 02:57:59.959 INFO kablam! 
Aug 02 02:57:59.961 INFO kablam! error: aborting due to previous error
Aug 02 02:57:59.961 INFO kablam! 
Aug 02 02:57:59.961 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:57:59.970 INFO kablam! error: Could not compile `ordslice`.
Aug 02 02:57:59.971 INFO kablam! 
Aug 02 02:57:59.971 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 02:57:59.974 INFO kablam! su: No module specific data is present
Aug 02 02:58:00.615 INFO running `"docker" "rm" "-f" "fc4ea657ee26422918940adfeda2351a681ce49239f4b47e8caab73ec7d42486"`
Aug 02 02:58:00.785 INFO blam! fc4ea657ee26422918940adfeda2351a681ce49239f4b47e8caab73ec7d42486