Aug 02 10:28:58.202 INFO checking exponential-decay-histogram-0.1.1 against 1.27.2+tmplazy for lazy_static-1 Aug 02 10:28:58.202 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 10:28:58.202 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 10:28:58.202 INFO running `"docker" "create" "-v" "/tmp/crater.xNery9YclivN:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 10:28:58.426 INFO blam! 64f2c946337fb49c4efef8f3f2f998b8d365ede1f94e9fa28f32f46330ae0b18 Aug 02 10:28:58.429 INFO running `"docker" "start" "-a" "64f2c946337fb49c4efef8f3f2f998b8d365ede1f94e9fa28f32f46330ae0b18"` Aug 02 10:28:59.804 INFO kablam! Checking exponential-decay-histogram v0.1.1 (file:///source) Aug 02 10:29:01.269 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 10:29:01.269 INFO kablam! --> benches/bench.rs:1:1 Aug 02 10:29:01.269 INFO kablam! | Aug 02 10:29:01.269 INFO kablam! 1 | #![feature(test)] Aug 02 10:29:01.269 INFO kablam! | ^^^^^^^^^^^^^^^^^ Aug 02 10:29:01.269 INFO kablam! Aug 02 10:29:01.270 INFO kablam! error: aborting due to previous error Aug 02 10:29:01.270 INFO kablam! Aug 02 10:29:01.270 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 10:29:01.277 INFO kablam! error: Could not compile `exponential-decay-histogram`. Aug 02 10:29:01.277 INFO kablam! Aug 02 10:29:01.277 INFO kablam! To learn more, run the command again with --verbose. Aug 02 10:29:01.278 INFO kablam! su: No module specific data is present Aug 02 10:29:01.915 INFO running `"docker" "rm" "-f" "64f2c946337fb49c4efef8f3f2f998b8d365ede1f94e9fa28f32f46330ae0b18"` Aug 02 10:29:02.057 INFO blam! 64f2c946337fb49c4efef8f3f2f998b8d365ede1f94e9fa28f32f46330ae0b18