Sep 20 04:31:15.203 INFO checking binary-tree-0.2.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 04:31:15.203 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 04:31:15.203 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-5/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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=1000" "-e" "CMD=cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:31:15.494 INFO blam! b3d3b055215da55ce01b3562c63c06d901b9ca5b2043287183b3b27558271253
Sep 20 04:31:15.500 INFO running `"docker" "start" "-a" "b3d3b055215da55ce01b3562c63c06d901b9ca5b2043287183b3b27558271253"`
Sep 20 04:31:16.235 INFO kablam! usermod: no changes
Sep 20 04:31:16.288 INFO kablam!     Checking binary-tree v0.2.0 (/source)
Sep 20 04:31:18.335 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 20 04:31:18.335 INFO kablam!   --> benches/from_iter.rs:16:9
Sep 20 04:31:18.335 INFO kablam!    |
Sep 20 04:31:18.335 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Sep 20 04:31:18.335 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 04:31:18.335 INFO kablam!    |
Sep 20 04:31:18.335 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 20 04:31:18.335 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 20 04:31:18.335 INFO kablam! 
Sep 20 04:31:18.335 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 20 04:31:18.336 INFO kablam!   --> benches/from_iter.rs:23:9
Sep 20 04:31:18.336 INFO kablam!    |
Sep 20 04:31:18.336 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Sep 20 04:31:18.336 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 04:31:18.336 INFO kablam!    |
Sep 20 04:31:18.336 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 20 04:31:18.336 INFO kablam! 
Sep 20 04:31:18.336 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 20 04:31:18.336 INFO kablam!   --> benches/from_iter.rs:30:9
Sep 20 04:31:18.336 INFO kablam!    |
Sep 20 04:31:18.336 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Sep 20 04:31:18.336 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 04:31:18.336 INFO kablam!    |
Sep 20 04:31:18.336 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 20 04:31:18.336 INFO kablam! 
Sep 20 04:31:18.543 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
Sep 20 04:31:18.567 INFO kablam! su: No module specific data is present
Sep 20 04:31:19.289 INFO running `"docker" "rm" "-f" "b3d3b055215da55ce01b3562c63c06d901b9ca5b2043287183b3b27558271253"`
Sep 20 04:31:19.398 INFO blam! b3d3b055215da55ce01b3562c63c06d901b9ca5b2043287183b3b27558271253