Aug 02 13:08:22.050 INFO checking cdr-0.2.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:08:22.050 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:08:22.050 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:08:22.050 INFO running `"docker" "create" "-v" "/tmp/crater.Wu2drWgVyLux:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+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 13:08:22.303 INFO blam! 9c0ff8706b44beb2f65c19cf3dec9401c67facb8a8683fa772566cfdc2a965e6
Aug 02 13:08:22.305 INFO running `"docker" "start" "-a" "9c0ff8706b44beb2f65c19cf3dec9401c67facb8a8683fa772566cfdc2a965e6"`
Aug 02 13:08:23.346 INFO kablam!     Checking cdr v0.2.1 (file:///source)
Aug 02 13:08:29.471 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:08:29.474 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 13:08:29.474 INFO kablam!   |
Aug 02 13:08:29.474 INFO kablam! 1 | #![feature(use_nested_groups)]
Aug 02 13:08:29.474 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:08:29.474 INFO kablam! 
Aug 02 13:08:29.474 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:08:29.474 INFO kablam!  --> benches/bench.rs:2:1
Aug 02 13:08:29.474 INFO kablam!   |
Aug 02 13:08:29.474 INFO kablam! 2 | #![feature(test)]
Aug 02 13:08:29.474 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 13:08:29.474 INFO kablam! 
Aug 02 13:08:29.474 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:08:29.474 INFO kablam! 
Aug 02 13:08:29.474 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:08:29.483 INFO kablam! error: Could not compile `cdr`.
Aug 02 13:08:29.483 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:08:29.964 INFO kablam! warning: unnecessary parentheses around function argument
Aug 02 13:08:29.964 INFO kablam!    --> tests/test.rs:679:11
Aug 02 13:08:29.964 INFO kablam!     |
Aug 02 13:08:29.964 INFO kablam! 679 |     check((1u32), Some(4));
Aug 02 13:08:29.964 INFO kablam!     |           ^^^^^^ help: remove these parentheses
Aug 02 13:08:29.964 INFO kablam!     |
Aug 02 13:08:29.964 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 02 13:08:29.965 INFO kablam! 
Aug 02 13:08:31.707 INFO kablam! error: build failed
Aug 02 13:08:31.713 INFO kablam! su: No module specific data is present
Aug 02 13:08:32.259 INFO running `"docker" "rm" "-f" "9c0ff8706b44beb2f65c19cf3dec9401c67facb8a8683fa772566cfdc2a965e6"`
Aug 02 13:08:32.424 INFO blam! 9c0ff8706b44beb2f65c19cf3dec9401c67facb8a8683fa772566cfdc2a965e6