Aug 02 07:21:17.419 INFO checking hdrhistogram-6.0.6 against 1.27.2 for lazy_static-1
Aug 02 07:21:17.419 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:21:17.419 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:21:17.419 INFO running `"docker" "create" "-v" "/tmp/crater.K6JDkwtUalUl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 07:21:17.655 INFO blam! e5c9b99acc6f15862bc410bebcd253d6401fae3bef433db7d57ec8d2330db6e3
Aug 02 07:21:17.660 INFO running `"docker" "start" "-a" "e5c9b99acc6f15862bc410bebcd253d6401fae3bef433db7d57ec8d2330db6e3"`
Aug 02 07:21:19.064 INFO kablam!    Compiling rug v0.9.3
Aug 02 07:21:19.067 INFO kablam!     Checking ieee754 v0.2.2
Aug 02 07:21:19.074 INFO kablam!     Checking hdrhistogram v6.0.6 (file:///source)
Aug 02 07:21:40.005 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:21:40.005 INFO kablam!  --> benches/record.rs:1:1
Aug 02 07:21:40.005 INFO kablam!   |
Aug 02 07:21:40.005 INFO kablam! 1 | #![feature(test)]
Aug 02 07:21:40.005 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 07:21:40.005 INFO kablam! 
Aug 02 07:21:40.008 INFO kablam! error: aborting due to previous error
Aug 02 07:21:40.008 INFO kablam! 
Aug 02 07:21:40.008 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:21:40.018 INFO kablam! error: Could not compile `hdrhistogram`.
Aug 02 07:21:40.018 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 07:21:40.036 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:21:40.036 INFO kablam!  --> benches/serialization.rs:1:1
Aug 02 07:21:40.036 INFO kablam!   |
Aug 02 07:21:40.036 INFO kablam! 1 | #![feature(test)]
Aug 02 07:21:40.036 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 07:21:40.036 INFO kablam! 
Aug 02 07:21:40.036 INFO kablam! error: aborting due to previous error
Aug 02 07:21:40.036 INFO kablam! 
Aug 02 07:21:40.036 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:21:40.038 INFO kablam! error: Could not compile `hdrhistogram`.
Aug 02 07:21:40.038 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 07:21:47.684 INFO kablam! error: build failed
Aug 02 07:21:47.686 INFO kablam! su: No module specific data is present
Aug 02 07:21:48.247 INFO running `"docker" "rm" "-f" "e5c9b99acc6f15862bc410bebcd253d6401fae3bef433db7d57ec8d2330db6e3"`
Aug 02 07:21:48.433 INFO blam! e5c9b99acc6f15862bc410bebcd253d6401fae3bef433db7d57ec8d2330db6e3