Aug 02 12:02:54.044 INFO checking csrf-0.2.8 against 1.27.2 for lazy_static-1
Aug 02 12:02:54.044 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:02:54.044 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:02:54.044 INFO running `"docker" "create" "-v" "/tmp/crater.ZLKRZ86EZoT8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 12:02:54.268 INFO blam! f8f1d3cc2a48fd491787a873203854165999011d2f87043ad9d2d727e38a0dd5
Aug 02 12:02:54.271 INFO running `"docker" "start" "-a" "f8f1d3cc2a48fd491787a873203854165999011d2f87043ad9d2d727e38a0dd5"`
Aug 02 12:02:55.349 INFO kablam!     Checking csrf v0.2.8 (file:///source)
Aug 02 12:02:58.958 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:02:58.958 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 12:02:58.958 INFO kablam!   |
Aug 02 12:02:58.958 INFO kablam! 1 | #![feature(test)]
Aug 02 12:02:58.958 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:02:58.958 INFO kablam! 
Aug 02 12:02:58.959 INFO kablam! error: aborting due to previous error
Aug 02 12:02:58.959 INFO kablam! 
Aug 02 12:02:58.959 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:02:58.970 INFO kablam! error: Could not compile `csrf`.
Aug 02 12:02:58.970 INFO kablam! 
Aug 02 12:02:58.971 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 12:02:58.973 INFO kablam! su: No module specific data is present
Aug 02 12:02:59.873 INFO running `"docker" "rm" "-f" "f8f1d3cc2a48fd491787a873203854165999011d2f87043ad9d2d727e38a0dd5"`
Aug 02 12:03:00.033 INFO blam! f8f1d3cc2a48fd491787a873203854165999011d2f87043ad9d2d727e38a0dd5