Aug 30 23:16:02.626 INFO checking binary-tree-0.2.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699 Aug 30 23:16:02.626 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets Aug 30 23:16:02.626 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 30 23:16:02.789 INFO blam! fc81e3ed0662a2cb982bc47d0346f79e903af499ef77c50c9648ec994ca17096 Aug 30 23:16:02.791 INFO running `"docker" "start" "-a" "fc81e3ed0662a2cb982bc47d0346f79e903af499ef77c50c9648ec994ca17096"` Aug 30 23:16:03.588 INFO kablam! Checking binary-tree v0.2.0 (file:///source) Aug 30 23:16:07.120 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Aug 30 23:16:07.120 INFO kablam! --> benches/from_iter.rs:16:9 Aug 30 23:16:07.120 INFO kablam! | Aug 30 23:16:07.120 INFO kablam! 16 | (0..TOTAL).collect::>(); Aug 30 23:16:07.120 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 30 23:16:07.121 INFO kablam! | Aug 30 23:16:07.121 INFO kablam! = note: #[warn(unused_must_use)] on by default Aug 30 23:16:07.121 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Aug 30 23:16:07.121 INFO kablam! Aug 30 23:16:07.121 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Aug 30 23:16:07.121 INFO kablam! --> benches/from_iter.rs:23:9 Aug 30 23:16:07.121 INFO kablam! | Aug 30 23:16:07.122 INFO kablam! 23 | (0..TOTAL).collect::>(); Aug 30 23:16:07.122 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 30 23:16:07.122 INFO kablam! | Aug 30 23:16:07.122 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Aug 30 23:16:07.122 INFO kablam! Aug 30 23:16:07.122 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Aug 30 23:16:07.122 INFO kablam! --> benches/from_iter.rs:30:9 Aug 30 23:16:07.122 INFO kablam! | Aug 30 23:16:07.122 INFO kablam! 30 | (0..TOTAL).collect::>(); Aug 30 23:16:07.122 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 30 23:16:07.122 INFO kablam! | Aug 30 23:16:07.122 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Aug 30 23:16:07.122 INFO kablam! Aug 30 23:16:07.430 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 3.90s Aug 30 23:16:07.440 INFO kablam! su: No module specific data is present Aug 30 23:16:07.946 INFO running `"docker" "rm" "-f" "fc81e3ed0662a2cb982bc47d0346f79e903af499ef77c50c9648ec994ca17096"` Aug 30 23:16:08.033 INFO blam! fc81e3ed0662a2cb982bc47d0346f79e903af499ef77c50c9648ec994ca17096