Aug 02 06:42:02.306 INFO checking input-stream-0.3.0 against 1.27.2 for lazy_static-1
Aug 02 06:42:02.306 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:42:02.306 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:42:02.306 INFO running `"docker" "create" "-v" "/tmp/crater.uqCwKwj8W7Xa:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 06:42:02.603 INFO blam! 3d4cad182b3be99fdb210e4890d117d9b15c3fbd1d2c41921e6a96e2f3595039
Aug 02 06:42:02.605 INFO running `"docker" "start" "-a" "3d4cad182b3be99fdb210e4890d117d9b15c3fbd1d2c41921e6a96e2f3595039"`
Aug 02 06:42:03.512 INFO kablam!     Checking input-stream v0.3.0 (file:///source)
Aug 02 06:42:05.106 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:42:05.106 INFO kablam!  --> benches/large-input.rs:3:1
Aug 02 06:42:05.106 INFO kablam!   |
Aug 02 06:42:05.106 INFO kablam! 3 | #![feature(test)]
Aug 02 06:42:05.106 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:42:05.106 INFO kablam! 
Aug 02 06:42:05.106 INFO kablam! error: aborting due to previous error
Aug 02 06:42:05.106 INFO kablam! 
Aug 02 06:42:05.106 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:42:05.121 INFO kablam! error: Could not compile `input-stream`.
Aug 02 06:42:05.121 INFO kablam! 
Aug 02 06:42:05.121 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 06:42:05.123 INFO kablam! su: No module specific data is present
Aug 02 06:42:05.786 INFO running `"docker" "rm" "-f" "3d4cad182b3be99fdb210e4890d117d9b15c3fbd1d2c41921e6a96e2f3595039"`
Aug 02 06:42:05.887 INFO blam! 3d4cad182b3be99fdb210e4890d117d9b15c3fbd1d2c41921e6a96e2f3595039