Sep 21 09:11:02.889 INFO checking grabbag-0.1.2 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 09:11:02.889 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 09:11:02.889 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 09:11:03.127 INFO blam! 3582e702a0d194ae37522f8f13ded5a399cae93016faa015283c210a04ef9327
Sep 21 09:11:03.129 INFO running `"docker" "start" "-a" "3582e702a0d194ae37522f8f13ded5a399cae93016faa015283c210a04ef9327"`
Sep 21 09:11:04.314 INFO kablam! usermod: no changes
Sep 21 09:11:04.370 INFO kablam!    Compiling grabbag_macros v0.1.2
Sep 21 09:11:05.504 INFO kablam!     Checking grabbag v0.1.2 (/source)
Sep 21 09:11:06.607 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 21 09:11:06.607 INFO kablam!   --> src/iter/skip_exactly.rs:57:37
Sep 21 09:11:06.607 INFO kablam!    |
Sep 21 09:11:06.607 INFO kablam! 57 |     let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::<Vec<_>>(); }).join();
Sep 21 09:11:06.607 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 09:11:06.607 INFO kablam!    |
Sep 21 09:11:06.607 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 21 09:11:06.607 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 21 09:11:06.607 INFO kablam! 
Sep 21 09:11:06.609 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 21 09:11:06.609 INFO kablam!   --> src/iter/take_exactly.rs:90:37
Sep 21 09:11:06.609 INFO kablam!    |
Sep 21 09:11:06.609 INFO kablam! 90 |     let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::<Vec<_>>(); }).join();
Sep 21 09:11:06.609 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 09:11:06.609 INFO kablam!    |
Sep 21 09:11:06.609 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 21 09:11:06.609 INFO kablam! 
Sep 21 09:11:06.628 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
Sep 21 09:11:06.630 INFO kablam! su: No module specific data is present
Sep 21 09:11:07.212 INFO running `"docker" "rm" "-f" "3582e702a0d194ae37522f8f13ded5a399cae93016faa015283c210a04ef9327"`
Sep 21 09:11:07.285 INFO blam! 3582e702a0d194ae37522f8f13ded5a399cae93016faa015283c210a04ef9327