Aug 02 14:46:36.599 INFO checking array-queue-0.3.3 against 1.27.2+tmplazy for lazy_static-1
Aug 02 14:46:36.599 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:46:36.599 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:46:36.599 INFO running `"docker" "create" "-v" "/tmp/crater.58h7gegIAUKF:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 14:46:36.811 INFO blam! 8b0909a298efa469f9011dba4d222d139acde5eebd585dfd1843b03a08071e37
Aug 02 14:46:36.814 INFO running `"docker" "start" "-a" "8b0909a298efa469f9011dba4d222d139acde5eebd585dfd1843b03a08071e37"`
Aug 02 14:46:37.791 INFO kablam!     Checking array-queue v0.3.3 (file:///source)
Aug 02 14:46:40.398 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 02 14:46:40.398 INFO kablam!    --> src/array_queue.rs:553:9
Aug 02 14:46:40.399 INFO kablam!     |
Aug 02 14:46:40.399 INFO kablam! 553 |         a.clone();
Aug 02 14:46:40.399 INFO kablam!     |         ^^^^^^^^^^
Aug 02 14:46:40.399 INFO kablam!     |
Aug 02 14:46:40.399 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 02 14:46:40.399 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 02 14:46:40.399 INFO kablam! 
Aug 02 14:46:40.438 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
Aug 02 14:46:40.447 INFO kablam! su: No module specific data is present
Aug 02 14:46:41.028 INFO running `"docker" "rm" "-f" "8b0909a298efa469f9011dba4d222d139acde5eebd585dfd1843b03a08071e37"`
Aug 02 14:46:41.206 INFO blam! 8b0909a298efa469f9011dba4d222d139acde5eebd585dfd1843b03a08071e37