Aug 18 03:01:13.130 INFO checking binary-tree-0.2.0 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 18 03:01:13.130 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 18 03:01:13.130 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 18 03:01:13.130 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-1/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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 +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 18 03:01:13.378 INFO blam! 2c580dde38c3fa7edc436ca66802d3b0b9c8a83cc1f71e173cae6f54cfe62e74
Aug 18 03:01:13.381 INFO running `"docker" "start" "-a" "2c580dde38c3fa7edc436ca66802d3b0b9c8a83cc1f71e173cae6f54cfe62e74"`
Aug 18 03:01:14.457 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Aug 18 03:01:20.110 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 18 03:01:20.111 INFO kablam!   --> benches/from_iter.rs:16:9
Aug 18 03:01:20.111 INFO kablam!    |
Aug 18 03:01:20.111 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Aug 18 03:01:20.111 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 18 03:01:20.111 INFO kablam!    |
Aug 18 03:01:20.111 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 18 03:01:20.111 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 18 03:01:20.111 INFO kablam! 
Aug 18 03:01:20.131 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 18 03:01:20.131 INFO kablam!   --> benches/from_iter.rs:23:9
Aug 18 03:01:20.131 INFO kablam!    |
Aug 18 03:01:20.131 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Aug 18 03:01:20.131 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 18 03:01:20.131 INFO kablam!    |
Aug 18 03:01:20.131 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 18 03:01:20.131 INFO kablam! 
Aug 18 03:01:20.132 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 18 03:01:20.132 INFO kablam!   --> benches/from_iter.rs:30:9
Aug 18 03:01:20.132 INFO kablam!    |
Aug 18 03:01:20.132 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Aug 18 03:01:20.132 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 18 03:01:20.132 INFO kablam!    |
Aug 18 03:01:20.132 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 18 03:01:20.132 INFO kablam! 
Aug 18 03:01:21.137 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
Aug 18 03:01:21.148 INFO kablam! su: No module specific data is present
Aug 18 03:01:21.681 INFO running `"docker" "rm" "-f" "2c580dde38c3fa7edc436ca66802d3b0b9c8a83cc1f71e173cae6f54cfe62e74"`
Aug 18 03:01:21.852 INFO blam! 2c580dde38c3fa7edc436ca66802d3b0b9c8a83cc1f71e173cae6f54cfe62e74