Jul 12 13:20:52.323 INFO checking binary-tree-0.2.0 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 13:20:52.323 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 13:20:52.323 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 13:20:52.323 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-3/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 13:20:52.559 INFO blam! f683a21ef196eaf6c13df9561f3a735de3a4405ca5a3ad4f19e66c890736e860
Jul 12 13:20:52.561 INFO running `"docker" "start" "-a" "f683a21ef196eaf6c13df9561f3a735de3a4405ca5a3ad4f19e66c890736e860"`
Jul 12 13:20:53.721 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Jul 12 13:20:57.180 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 13:20:57.180 INFO kablam!   --> benches/from_iter.rs:16:9
Jul 12 13:20:57.180 INFO kablam!    |
Jul 12 13:20:57.180 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Jul 12 13:20:57.180 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 13:20:57.180 INFO kablam!    |
Jul 12 13:20:57.180 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Jul 12 13:20:57.180 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 13:20:57.180 INFO kablam! 
Jul 12 13:20:57.181 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 13:20:57.181 INFO kablam!   --> benches/from_iter.rs:23:9
Jul 12 13:20:57.181 INFO kablam!    |
Jul 12 13:20:57.181 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Jul 12 13:20:57.181 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 13:20:57.182 INFO kablam!    |
Jul 12 13:20:57.182 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 13:20:57.182 INFO kablam! 
Jul 12 13:20:57.183 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 13:20:57.183 INFO kablam!   --> benches/from_iter.rs:30:9
Jul 12 13:20:57.183 INFO kablam!    |
Jul 12 13:20:57.183 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Jul 12 13:20:57.183 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 13:20:57.184 INFO kablam!    |
Jul 12 13:20:57.184 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 13:20:57.184 INFO kablam! 
Jul 12 13:20:57.327 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
Jul 12 13:20:57.337 INFO kablam! su: No module specific data is present
Jul 12 13:20:57.851 INFO running `"docker" "rm" "-f" "f683a21ef196eaf6c13df9561f3a735de3a4405ca5a3ad4f19e66c890736e860"`
Jul 12 13:20:58.018 INFO blam! f683a21ef196eaf6c13df9561f3a735de3a4405ca5a3ad4f19e66c890736e860