Sep 10 22:15:25.901 INFO checking binary-tree-0.2.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 22:15:25.901 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 22:15:25.902 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 22:15:26.177 INFO blam! b7e2d39cf145b5fb381b954d868ab5b1710dcece2d7e3fe15a888a67d28ca8d0
Sep 10 22:15:26.179 INFO running `"docker" "start" "-a" "b7e2d39cf145b5fb381b954d868ab5b1710dcece2d7e3fe15a888a67d28ca8d0"`
Sep 10 22:15:26.965 INFO kablam! usermod: no changes
Sep 10 22:15:27.021 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Sep 10 22:15:28.262 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 22:15:28.262 INFO kablam!   --> benches/from_iter.rs:16:9
Sep 10 22:15:28.262 INFO kablam!    |
Sep 10 22:15:28.262 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Sep 10 22:15:28.262 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 22:15:28.262 INFO kablam!    |
Sep 10 22:15:28.262 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 10 22:15:28.262 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 22:15:28.262 INFO kablam! 
Sep 10 22:15:28.262 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 22:15:28.262 INFO kablam!   --> benches/from_iter.rs:23:9
Sep 10 22:15:28.262 INFO kablam!    |
Sep 10 22:15:28.262 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Sep 10 22:15:28.262 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 22:15:28.262 INFO kablam!    |
Sep 10 22:15:28.262 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 22:15:28.262 INFO kablam! 
Sep 10 22:15:28.263 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 22:15:28.263 INFO kablam!   --> benches/from_iter.rs:30:9
Sep 10 22:15:28.263 INFO kablam!    |
Sep 10 22:15:28.263 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Sep 10 22:15:28.263 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 22:15:28.263 INFO kablam!    |
Sep 10 22:15:28.263 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 22:15:28.263 INFO kablam! 
Sep 10 22:15:28.346 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Sep 10 22:15:28.352 INFO kablam! su: No module specific data is present
Sep 10 22:15:29.033 INFO running `"docker" "rm" "-f" "b7e2d39cf145b5fb381b954d868ab5b1710dcece2d7e3fe15a888a67d28ca8d0"`
Sep 10 22:15:29.142 INFO blam! b7e2d39cf145b5fb381b954d868ab5b1710dcece2d7e3fe15a888a67d28ca8d0