Aug 02 07:08:50.302 INFO checking http-muncher-0.3.2 against 1.27.2+tmplazy for lazy_static-1
Aug 02 07:08:50.302 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:08:50.302 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:08:50.302 INFO running `"docker" "create" "-v" "/tmp/crater.UTIlvZI021C8:/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 07:08:50.502 INFO blam! a1c455f13e22bd708f4072bac0af24bf20b021dade90f4e3671df62318c5048a
Aug 02 07:08:50.504 INFO running `"docker" "start" "-a" "a1c455f13e22bd708f4072bac0af24bf20b021dade90f4e3671df62318c5048a"`
Aug 02 07:08:51.499 INFO kablam!    Compiling http-muncher v0.3.2 (file:///source)
Aug 02 07:08:54.065 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:08:54.065 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 07:08:54.065 INFO kablam!   |
Aug 02 07:08:54.065 INFO kablam! 1 | #![feature(test)]
Aug 02 07:08:54.065 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 07:08:54.066 INFO kablam! 
Aug 02 07:08:54.066 INFO kablam! error: aborting due to previous error
Aug 02 07:08:54.067 INFO kablam! 
Aug 02 07:08:54.067 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:08:54.078 INFO kablam! error: Could not compile `http-muncher`.
Aug 02 07:08:54.078 INFO kablam! 
Aug 02 07:08:54.078 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 07:08:54.080 INFO kablam! su: No module specific data is present
Aug 02 07:08:55.135 INFO running `"docker" "rm" "-f" "a1c455f13e22bd708f4072bac0af24bf20b021dade90f4e3671df62318c5048a"`
Aug 02 07:08:55.265 INFO blam! a1c455f13e22bd708f4072bac0af24bf20b021dade90f4e3671df62318c5048a