Sep 05 02:06:13.905 INFO checking binary-tree-0.2.0 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 05 02:06:13.905 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 05 02:06:13.905 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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 +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 02:06:14.106 INFO blam! 08ed5d3f8116dedd15726fe4f4c95f8ff7c692efbf8e6d5e548774ad9ce5abe9
Sep 05 02:06:14.107 INFO running `"docker" "start" "-a" "08ed5d3f8116dedd15726fe4f4c95f8ff7c692efbf8e6d5e548774ad9ce5abe9"`
Sep 05 02:06:14.904 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Sep 05 02:06:17.443 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 05 02:06:17.443 INFO kablam!   --> benches/from_iter.rs:16:9
Sep 05 02:06:17.443 INFO kablam!    |
Sep 05 02:06:17.444 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Sep 05 02:06:17.444 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 02:06:17.456 INFO kablam!    |
Sep 05 02:06:17.456 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 05 02:06:17.456 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 05 02:06:17.456 INFO kablam! 
Sep 05 02:06:17.457 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 05 02:06:17.457 INFO kablam!   --> benches/from_iter.rs:23:9
Sep 05 02:06:17.457 INFO kablam!    |
Sep 05 02:06:17.457 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Sep 05 02:06:17.457 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 02:06:17.457 INFO kablam!    |
Sep 05 02:06:17.457 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 05 02:06:17.457 INFO kablam! 
Sep 05 02:06:17.457 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 05 02:06:17.457 INFO kablam!   --> benches/from_iter.rs:30:9
Sep 05 02:06:17.457 INFO kablam!    |
Sep 05 02:06:17.457 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Sep 05 02:06:17.457 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 02:06:17.457 INFO kablam!    |
Sep 05 02:06:17.457 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 05 02:06:17.457 INFO kablam! 
Sep 05 02:06:17.760 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
Sep 05 02:06:17.772 INFO kablam! su: No module specific data is present
Sep 05 02:06:18.558 INFO running `"docker" "rm" "-f" "08ed5d3f8116dedd15726fe4f4c95f8ff7c692efbf8e6d5e548774ad9ce5abe9"`
Sep 05 02:06:18.637 INFO blam! 08ed5d3f8116dedd15726fe4f4c95f8ff7c692efbf8e6d5e548774ad9ce5abe9