Sep 14 15:18:42.316 INFO checking grabbag-0.1.2 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 15:18:42.316 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 15:18:42.316 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-2/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 15:18:42.662 INFO blam! 0b2719ebe28b80286190cb03a436ee7f4994969d3021d9fa77d1d435aaf4f457
Sep 14 15:18:42.662 INFO running `"docker" "start" "-a" "0b2719ebe28b80286190cb03a436ee7f4994969d3021d9fa77d1d435aaf4f457"`
Sep 14 15:18:44.085 INFO kablam! usermod: no changes
Sep 14 15:18:44.155 INFO kablam!    Compiling grabbag_macros v0.1.2
Sep 14 15:18:45.438 INFO kablam!     Checking grabbag v0.1.2 (file:///source)
Sep 14 15:18:46.983 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 14 15:18:46.983 INFO kablam!   --> src/iter/skip_exactly.rs:57:37
Sep 14 15:18:46.983 INFO kablam!    |
Sep 14 15:18:46.983 INFO kablam! 57 |     let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::<Vec<_>>(); }).join();
Sep 14 15:18:46.983 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 15:18:46.983 INFO kablam!    |
Sep 14 15:18:46.983 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 14 15:18:46.983 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 14 15:18:46.983 INFO kablam! 
Sep 14 15:18:46.986 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 14 15:18:46.987 INFO kablam!   --> src/iter/take_exactly.rs:90:37
Sep 14 15:18:46.987 INFO kablam!    |
Sep 14 15:18:46.987 INFO kablam! 90 |     let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::<Vec<_>>(); }).join();
Sep 14 15:18:46.987 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 15:18:46.987 INFO kablam!    |
Sep 14 15:18:46.987 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 14 15:18:46.987 INFO kablam! 
Sep 14 15:18:47.022 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
Sep 14 15:18:47.031 INFO kablam! su: No module specific data is present
Sep 14 15:18:48.060 INFO running `"docker" "rm" "-f" "0b2719ebe28b80286190cb03a436ee7f4994969d3021d9fa77d1d435aaf4f457"`
Sep 14 15:18:48.347 INFO blam! 0b2719ebe28b80286190cb03a436ee7f4994969d3021d9fa77d1d435aaf4f457