Aug 18 03:01:13.872 INFO checking binary-tree-0.2.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 18 03:01:13.872 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 18 03:01:13.872 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 18 03:01:13.872 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-5/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 18 03:01:14.138 INFO blam! ddd1c25a519f89ef2e99c7a7557195aa754f6dd7d05f18865da14829dd04b01d
Aug 18 03:01:14.141 INFO running `"docker" "start" "-a" "ddd1c25a519f89ef2e99c7a7557195aa754f6dd7d05f18865da14829dd04b01d"`
Aug 18 03:01:15.063 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Aug 18 03:01:21.321 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 18 03:01:21.321 INFO kablam!   --> benches/from_iter.rs:16:9
Aug 18 03:01:21.321 INFO kablam!    |
Aug 18 03:01:21.321 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Aug 18 03:01:21.321 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 18 03:01:21.321 INFO kablam!    |
Aug 18 03:01:21.321 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 18 03:01:21.321 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 18 03:01:21.321 INFO kablam! 
Aug 18 03:01:21.321 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 18 03:01:21.322 INFO kablam!   --> benches/from_iter.rs:23:9
Aug 18 03:01:21.322 INFO kablam!    |
Aug 18 03:01:21.322 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Aug 18 03:01:21.322 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 18 03:01:21.322 INFO kablam!    |
Aug 18 03:01:21.322 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 18 03:01:21.322 INFO kablam! 
Aug 18 03:01:21.322 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 18 03:01:21.322 INFO kablam!   --> benches/from_iter.rs:30:9
Aug 18 03:01:21.322 INFO kablam!    |
Aug 18 03:01:21.322 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Aug 18 03:01:21.322 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 18 03:01:21.322 INFO kablam!    |
Aug 18 03:01:21.323 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 18 03:01:21.323 INFO kablam! 
Aug 18 03:01:21.657 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
Aug 18 03:01:21.677 INFO kablam! su: No module specific data is present
Aug 18 03:01:22.219 INFO running `"docker" "rm" "-f" "ddd1c25a519f89ef2e99c7a7557195aa754f6dd7d05f18865da14829dd04b01d"`
Aug 18 03:01:22.426 INFO blam! ddd1c25a519f89ef2e99c7a7557195aa754f6dd7d05f18865da14829dd04b01d