Aug 30 15:01:14.865 INFO checking grabbag-0.1.2 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699 Aug 30 15:01:14.865 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets Aug 30 15:01:14.865 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 15:01:15.045 INFO blam! fbd9d4fd867daf0e985a1f7c3e814a326236c066fc7aa46cad0ca3625b2b5834 Aug 30 15:01:15.046 INFO running `"docker" "start" "-a" "fbd9d4fd867daf0e985a1f7c3e814a326236c066fc7aa46cad0ca3625b2b5834"` Aug 30 15:01:15.633 INFO kablam! Compiling grabbag_macros v0.1.2 Aug 30 15:01:16.997 INFO kablam! Checking grabbag v0.1.2 (file:///source) Aug 30 15:01:19.063 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Aug 30 15:01:19.063 INFO kablam! --> src/iter/skip_exactly.rs:57:37 Aug 30 15:01:19.063 INFO kablam! | Aug 30 15:01:19.063 INFO kablam! 57 | let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::>(); }).join(); Aug 30 15:01:19.063 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 30 15:01:19.063 INFO kablam! | Aug 30 15:01:19.063 INFO kablam! = note: #[warn(unused_must_use)] on by default Aug 30 15:01:19.063 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Aug 30 15:01:19.063 INFO kablam! Aug 30 15:01:19.065 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Aug 30 15:01:19.065 INFO kablam! --> src/iter/take_exactly.rs:90:37 Aug 30 15:01:19.065 INFO kablam! | Aug 30 15:01:19.065 INFO kablam! 90 | let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::>(); }).join(); Aug 30 15:01:19.065 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 30 15:01:19.065 INFO kablam! | Aug 30 15:01:19.065 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Aug 30 15:01:19.065 INFO kablam! Aug 30 15:01:19.095 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 3.48s Aug 30 15:01:19.097 INFO kablam! su: No module specific data is present Aug 30 15:01:19.498 INFO running `"docker" "rm" "-f" "fbd9d4fd867daf0e985a1f7c3e814a326236c066fc7aa46cad0ca3625b2b5834"` Aug 30 15:01:19.617 INFO blam! fbd9d4fd867daf0e985a1f7c3e814a326236c066fc7aa46cad0ca3625b2b5834