Sep 01 18:13:10.320 INFO checking grabbag-0.1.2 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 18:13:10.320 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 18:13:10.320 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 18:13:10.495 INFO blam! 769b496026542af05f38ac7d6a914b01044f89e202a9d0339448cdb591a1ef18
Sep 01 18:13:10.497 INFO running `"docker" "start" "-a" "769b496026542af05f38ac7d6a914b01044f89e202a9d0339448cdb591a1ef18"`
Sep 01 18:13:11.396 INFO kablam!    Compiling grabbag_macros v0.1.2
Sep 01 18:13:12.646 INFO kablam!     Checking grabbag v0.1.2 (file:///source)
Sep 01 18:13:14.456 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 18:13:14.456 INFO kablam!   --> src/iter/skip_exactly.rs:57:37
Sep 01 18:13:14.456 INFO kablam!    |
Sep 01 18:13:14.456 INFO kablam! 57 |     let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::<Vec<_>>(); }).join();
Sep 01 18:13:14.456 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 18:13:14.456 INFO kablam!    |
Sep 01 18:13:14.456 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 18:13:14.456 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 18:13:14.456 INFO kablam! 
Sep 01 18:13:14.458 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 18:13:14.458 INFO kablam!   --> src/iter/take_exactly.rs:90:37
Sep 01 18:13:14.458 INFO kablam!    |
Sep 01 18:13:14.458 INFO kablam! 90 |     let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::<Vec<_>>(); }).join();
Sep 01 18:13:14.458 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 18:13:14.458 INFO kablam!    |
Sep 01 18:13:14.458 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 18:13:14.458 INFO kablam! 
Sep 01 18:13:14.482 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
Sep 01 18:13:14.484 INFO kablam! su: No module specific data is present
Sep 01 18:13:15.186 INFO running `"docker" "rm" "-f" "769b496026542af05f38ac7d6a914b01044f89e202a9d0339448cdb591a1ef18"`
Sep 01 18:13:15.290 INFO blam! 769b496026542af05f38ac7d6a914b01044f89e202a9d0339448cdb591a1ef18