Aug 30 23:16:02.745 INFO checking binary-tree-0.2.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699 Aug 30 23:16:02.746 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets Aug 30 23:16:02.746 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 30 23:16:02.885 INFO blam! 223f326ed9526788c06d4776f9f7ceb5934800964489f38e42877b8d52c73689 Aug 30 23:16:02.887 INFO running `"docker" "start" "-a" "223f326ed9526788c06d4776f9f7ceb5934800964489f38e42877b8d52c73689"` Aug 30 23:16:03.692 INFO kablam! Checking binary-tree v0.2.0 (file:///source) Aug 30 23:16:07.441 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Aug 30 23:16:07.441 INFO kablam! --> benches/from_iter.rs:16:9 Aug 30 23:16:07.441 INFO kablam! | Aug 30 23:16:07.441 INFO kablam! 16 | (0..TOTAL).collect::>(); Aug 30 23:16:07.441 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 30 23:16:07.441 INFO kablam! | Aug 30 23:16:07.441 INFO kablam! = note: #[warn(unused_must_use)] on by default Aug 30 23:16:07.441 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Aug 30 23:16:07.441 INFO kablam! Aug 30 23:16:07.442 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Aug 30 23:16:07.442 INFO kablam! --> benches/from_iter.rs:23:9 Aug 30 23:16:07.442 INFO kablam! | Aug 30 23:16:07.442 INFO kablam! 23 | (0..TOTAL).collect::>(); Aug 30 23:16:07.442 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 30 23:16:07.442 INFO kablam! | Aug 30 23:16:07.442 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Aug 30 23:16:07.442 INFO kablam! Aug 30 23:16:07.442 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Aug 30 23:16:07.442 INFO kablam! --> benches/from_iter.rs:30:9 Aug 30 23:16:07.442 INFO kablam! | Aug 30 23:16:07.442 INFO kablam! 30 | (0..TOTAL).collect::>(); Aug 30 23:16:07.442 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 30 23:16:07.442 INFO kablam! | Aug 30 23:16:07.442 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Aug 30 23:16:07.442 INFO kablam! Aug 30 23:16:07.590 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 3.96s Aug 30 23:16:07.599 INFO kablam! su: No module specific data is present Aug 30 23:16:08.092 INFO running `"docker" "rm" "-f" "223f326ed9526788c06d4776f9f7ceb5934800964489f38e42877b8d52c73689"` Aug 30 23:16:08.215 INFO blam! 223f326ed9526788c06d4776f9f7ceb5934800964489f38e42877b8d52c73689