Sep 02 19:54:07.346 INFO checking binary-tree-0.2.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 19:54:07.346 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 19:54:07.346 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 19:54:07.558 INFO blam! 4a904e3537e2d769c3b346afbb1f3193d95ce85c6a8b51914a943bb6a7e7d164
Sep 02 19:54:07.560 INFO running `"docker" "start" "-a" "4a904e3537e2d769c3b346afbb1f3193d95ce85c6a8b51914a943bb6a7e7d164"`
Sep 02 19:54:08.415 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Sep 02 19:54:11.155 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 02 19:54:11.155 INFO kablam!   --> benches/from_iter.rs:16:9
Sep 02 19:54:11.155 INFO kablam!    |
Sep 02 19:54:11.155 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Sep 02 19:54:11.155 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 19:54:11.155 INFO kablam!    |
Sep 02 19:54:11.156 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 02 19:54:11.156 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 02 19:54:11.156 INFO kablam! 
Sep 02 19:54:11.156 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 02 19:54:11.156 INFO kablam!   --> benches/from_iter.rs:23:9
Sep 02 19:54:11.156 INFO kablam!    |
Sep 02 19:54:11.157 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Sep 02 19:54:11.157 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 19:54:11.157 INFO kablam!    |
Sep 02 19:54:11.157 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 02 19:54:11.157 INFO kablam! 
Sep 02 19:54:11.157 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 02 19:54:11.157 INFO kablam!   --> benches/from_iter.rs:30:9
Sep 02 19:54:11.157 INFO kablam!    |
Sep 02 19:54:11.157 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Sep 02 19:54:11.157 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 19:54:11.158 INFO kablam!    |
Sep 02 19:54:11.158 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 02 19:54:11.158 INFO kablam! 
Sep 02 19:54:11.427 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
Sep 02 19:54:11.436 INFO kablam! su: No module specific data is present
Sep 02 19:54:11.835 INFO running `"docker" "rm" "-f" "4a904e3537e2d769c3b346afbb1f3193d95ce85c6a8b51914a943bb6a7e7d164"`
Sep 02 19:54:11.931 INFO blam! 4a904e3537e2d769c3b346afbb1f3193d95ce85c6a8b51914a943bb6a7e7d164