Sep 04 23:15:19.210 INFO checking binary-tree-0.2.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 23:15:19.210 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 23:15:19.210 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 23:15:19.421 INFO blam! 61fb0e0a1ec9cf23ce37e93b6c6b752daa4a8237a073059937bab8704caa8d15
Sep 04 23:15:19.423 INFO running `"docker" "start" "-a" "61fb0e0a1ec9cf23ce37e93b6c6b752daa4a8237a073059937bab8704caa8d15"`
Sep 04 23:15:19.975 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Sep 04 23:15:22.309 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 23:15:22.309 INFO kablam!   --> benches/from_iter.rs:16:9
Sep 04 23:15:22.309 INFO kablam!    |
Sep 04 23:15:22.309 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Sep 04 23:15:22.309 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 23:15:22.309 INFO kablam!    |
Sep 04 23:15:22.310 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 04 23:15:22.310 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 23:15:22.310 INFO kablam! 
Sep 04 23:15:22.311 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 23:15:22.311 INFO kablam!   --> benches/from_iter.rs:23:9
Sep 04 23:15:22.311 INFO kablam!    |
Sep 04 23:15:22.311 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Sep 04 23:15:22.311 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 23:15:22.311 INFO kablam!    |
Sep 04 23:15:22.311 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 23:15:22.311 INFO kablam! 
Sep 04 23:15:22.311 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 23:15:22.311 INFO kablam!   --> benches/from_iter.rs:30:9
Sep 04 23:15:22.311 INFO kablam!    |
Sep 04 23:15:22.311 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Sep 04 23:15:22.311 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 23:15:22.311 INFO kablam!    |
Sep 04 23:15:22.311 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 23:15:22.311 INFO kablam! 
Sep 04 23:15:22.586 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
Sep 04 23:15:22.593 INFO kablam! su: No module specific data is present
Sep 04 23:15:23.080 INFO running `"docker" "rm" "-f" "61fb0e0a1ec9cf23ce37e93b6c6b752daa4a8237a073059937bab8704caa8d15"`
Sep 04 23:15:23.180 INFO blam! 61fb0e0a1ec9cf23ce37e93b6c6b752daa4a8237a073059937bab8704caa8d15