Sep 06 09:34:22.765 INFO checking binary-tree-0.2.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 09:34:22.765 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 09:34:22.765 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 09:34:22.915 INFO blam! 6d6d9d8d7c9389d7ddd353d8e3454fcd8069a870f7f56b143fe7cab5d2876633
Sep 06 09:34:22.917 INFO running `"docker" "start" "-a" "6d6d9d8d7c9389d7ddd353d8e3454fcd8069a870f7f56b143fe7cab5d2876633"`
Sep 06 09:34:24.106 INFO kablam! usermod: no changes
Sep 06 09:34:24.163 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Sep 06 09:34:25.629 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 09:34:25.629 INFO kablam!   --> benches/from_iter.rs:16:9
Sep 06 09:34:25.629 INFO kablam!    |
Sep 06 09:34:25.629 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Sep 06 09:34:25.629 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 09:34:25.630 INFO kablam!    |
Sep 06 09:34:25.630 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 06 09:34:25.630 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 09:34:25.630 INFO kablam! 
Sep 06 09:34:25.630 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 09:34:25.630 INFO kablam!   --> benches/from_iter.rs:23:9
Sep 06 09:34:25.630 INFO kablam!    |
Sep 06 09:34:25.630 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Sep 06 09:34:25.630 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 09:34:25.630 INFO kablam!    |
Sep 06 09:34:25.630 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 09:34:25.630 INFO kablam! 
Sep 06 09:34:25.630 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 09:34:25.630 INFO kablam!   --> benches/from_iter.rs:30:9
Sep 06 09:34:25.630 INFO kablam!    |
Sep 06 09:34:25.630 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Sep 06 09:34:25.630 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 09:34:25.630 INFO kablam!    |
Sep 06 09:34:25.630 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 09:34:25.630 INFO kablam! 
Sep 06 09:34:25.776 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Sep 06 09:34:25.782 INFO kablam! su: No module specific data is present
Sep 06 09:34:26.495 INFO running `"docker" "rm" "-f" "6d6d9d8d7c9389d7ddd353d8e3454fcd8069a870f7f56b143fe7cab5d2876633"`
Sep 06 09:34:26.579 INFO blam! 6d6d9d8d7c9389d7ddd353d8e3454fcd8069a870f7f56b143fe7cab5d2876633