Sep 01 09:48:16.822 INFO checking binary-tree-0.2.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 09:48:16.822 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 09:48:16.822 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 09:48:16.985 INFO blam! 8bacd73354d99b3df7424fab10aa6e68ad7be060976cfffd3f49f5682a3b7189
Sep 01 09:48:16.986 INFO running `"docker" "start" "-a" "8bacd73354d99b3df7424fab10aa6e68ad7be060976cfffd3f49f5682a3b7189"`
Sep 01 09:48:17.602 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Sep 01 09:48:20.342 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 09:48:20.342 INFO kablam!   --> benches/from_iter.rs:16:9
Sep 01 09:48:20.342 INFO kablam!    |
Sep 01 09:48:20.342 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Sep 01 09:48:20.342 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 09:48:20.342 INFO kablam!    |
Sep 01 09:48:20.342 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 09:48:20.342 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 09:48:20.342 INFO kablam! 
Sep 01 09:48:20.342 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 09:48:20.342 INFO kablam!   --> benches/from_iter.rs:23:9
Sep 01 09:48:20.342 INFO kablam!    |
Sep 01 09:48:20.342 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Sep 01 09:48:20.342 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 09:48:20.343 INFO kablam!    |
Sep 01 09:48:20.343 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 09:48:20.343 INFO kablam! 
Sep 01 09:48:20.343 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 09:48:20.344 INFO kablam!   --> benches/from_iter.rs:30:9
Sep 01 09:48:20.344 INFO kablam!    |
Sep 01 09:48:20.344 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Sep 01 09:48:20.344 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 09:48:20.344 INFO kablam!    |
Sep 01 09:48:20.344 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 09:48:20.344 INFO kablam! 
Sep 01 09:48:20.849 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
Sep 01 09:48:20.857 INFO kablam! su: No module specific data is present
Sep 01 09:48:21.311 INFO running `"docker" "rm" "-f" "8bacd73354d99b3df7424fab10aa6e68ad7be060976cfffd3f49f5682a3b7189"`
Sep 01 09:48:21.447 INFO blam! 8bacd73354d99b3df7424fab10aa6e68ad7be060976cfffd3f49f5682a3b7189