Aug 01 20:10:16.275 INFO checking tool-0.2.0 against 1.27.2 for lazy_static-1
Aug 01 20:10:16.275 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:10:16.275 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:10:16.275 INFO running `"docker" "create" "-v" "/tmp/crater.EJ1yn1iKftel:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 01 20:10:16.562 INFO blam! 6b05972e8a4ed8fc8e3c660f155598c4215454ef599a907c3c49235ffdc6b8dc
Aug 01 20:10:16.564 INFO running `"docker" "start" "-a" "6b05972e8a4ed8fc8e3c660f155598c4215454ef599a907c3c49235ffdc6b8dc"`
Aug 01 20:10:17.563 INFO kablam!     Checking tool v0.2.0 (file:///source)
Aug 01 20:10:17.829 INFO kablam! warning: unused `#[macro_use]` import
Aug 01 20:10:17.829 INFO kablam!  --> src/lib.rs:6:1
Aug 01 20:10:17.829 INFO kablam!   |
Aug 01 20:10:17.829 INFO kablam! 6 | #[macro_use]
Aug 01 20:10:17.829 INFO kablam!   | ^^^^^^^^^^^^
Aug 01 20:10:17.829 INFO kablam!   |
Aug 01 20:10:17.829 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 01 20:10:17.830 INFO kablam! 
Aug 01 20:10:17.967 INFO kablam! warning: unused `#[macro_use]` import
Aug 01 20:10:17.967 INFO kablam!  --> src/lib.rs:6:1
Aug 01 20:10:17.967 INFO kablam!   |
Aug 01 20:10:17.967 INFO kablam! 6 | #[macro_use]
Aug 01 20:10:17.967 INFO kablam!   | ^^^^^^^^^^^^
Aug 01 20:10:17.967 INFO kablam!   |
Aug 01 20:10:17.967 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 01 20:10:17.967 INFO kablam! 
Aug 01 20:10:18.900 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:10:18.900 INFO kablam!  --> benches/sequence.rs:1:1
Aug 01 20:10:18.901 INFO kablam!   |
Aug 01 20:10:18.901 INFO kablam! 1 | #![feature(test)]
Aug 01 20:10:18.901 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 20:10:18.901 INFO kablam! 
Aug 01 20:10:18.901 INFO kablam! error: aborting due to previous error
Aug 01 20:10:18.901 INFO kablam! 
Aug 01 20:10:18.901 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:10:18.906 INFO kablam! error: Could not compile `tool`.
Aug 01 20:10:18.906 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:10:19.088 INFO kablam! error: build failed
Aug 01 20:10:19.090 INFO kablam! su: No module specific data is present
Aug 01 20:10:19.677 INFO running `"docker" "rm" "-f" "6b05972e8a4ed8fc8e3c660f155598c4215454ef599a907c3c49235ffdc6b8dc"`
Aug 01 20:10:19.807 INFO blam! 6b05972e8a4ed8fc8e3c660f155598c4215454ef599a907c3c49235ffdc6b8dc