Sep 02 19:54:05.426 INFO checking binary-tree-0.2.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 19:54:05.426 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 19:54:05.426 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 19:54:05.632 INFO blam! eaeb973bca1a9ab589aaf3ccd1daf8c73438bf6ad228cb20a8d316d5d04a6eaf
Sep 02 19:54:05.633 INFO running `"docker" "start" "-a" "eaeb973bca1a9ab589aaf3ccd1daf8c73438bf6ad228cb20a8d316d5d04a6eaf"`
Sep 02 19:54:06.363 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Sep 02 19:54:08.534 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 02 19:54:08.534 INFO kablam!   --> benches/from_iter.rs:16:9
Sep 02 19:54:08.534 INFO kablam!    |
Sep 02 19:54:08.535 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Sep 02 19:54:08.535 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 19:54:08.535 INFO kablam!    |
Sep 02 19:54:08.535 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 02 19:54:08.535 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 02 19:54:08.535 INFO kablam! 
Sep 02 19:54:08.535 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 02 19:54:08.535 INFO kablam!   --> benches/from_iter.rs:23:9
Sep 02 19:54:08.535 INFO kablam!    |
Sep 02 19:54:08.535 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Sep 02 19:54:08.535 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 19:54:08.535 INFO kablam!    |
Sep 02 19:54:08.535 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 02 19:54:08.535 INFO kablam! 
Sep 02 19:54:08.535 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 02 19:54:08.535 INFO kablam!   --> benches/from_iter.rs:30:9
Sep 02 19:54:08.535 INFO kablam!    |
Sep 02 19:54:08.535 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Sep 02 19:54:08.535 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 19:54:08.535 INFO kablam!    |
Sep 02 19:54:08.535 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 02 19:54:08.535 INFO kablam! 
Sep 02 19:54:08.915 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
Sep 02 19:54:08.923 INFO kablam! su: No module specific data is present
Sep 02 19:54:09.312 INFO running `"docker" "rm" "-f" "eaeb973bca1a9ab589aaf3ccd1daf8c73438bf6ad228cb20a8d316d5d04a6eaf"`
Sep 02 19:54:09.442 INFO blam! eaeb973bca1a9ab589aaf3ccd1daf8c73438bf6ad228cb20a8d316d5d04a6eaf