Sep 01 17:50:44.042 INFO checking hamt-rs-0.3.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 17:50:44.042 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 17:50:44.042 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 17:50:44.178 INFO blam! d4aadc9d70008d37c1ad1992b743fbbf95f2993e4c0ea37c6fa810aa7e5079f6
Sep 01 17:50:44.179 INFO running `"docker" "start" "-a" "d4aadc9d70008d37c1ad1992b743fbbf95f2993e4c0ea37c6fa810aa7e5079f6"`
Sep 01 17:50:44.964 INFO kablam!     Checking hamt-rs v0.3.0 (file:///source)
Sep 01 17:50:49.100 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 01 17:50:49.100 INFO kablam!    --> benches/benches.rs:165:9
Sep 01 17:50:49.100 INFO kablam!     |
Sep 01 17:50:49.100 INFO kablam! 165 |         map.clone();
Sep 01 17:50:49.100 INFO kablam!     |         ^^^^^^^^^^^^
Sep 01 17:50:49.100 INFO kablam!     |
Sep 01 17:50:49.100 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 17:50:49.100 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 01 17:50:49.100 INFO kablam! 
Sep 01 17:50:49.121 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
Sep 01 17:50:49.125 INFO kablam! su: No module specific data is present
Sep 01 17:50:49.883 INFO running `"docker" "rm" "-f" "d4aadc9d70008d37c1ad1992b743fbbf95f2993e4c0ea37c6fa810aa7e5079f6"`
Sep 01 17:50:49.980 INFO blam! d4aadc9d70008d37c1ad1992b743fbbf95f2993e4c0ea37c6fa810aa7e5079f6