Sep 10 17:07:27.818 INFO checking grabbag-0.1.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 17:07:27.818 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 17:07:27.818 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 17:07:28.020 INFO blam! 8b1980441f76ab16e205e73cbb05d754743adbc37d6a5ef06cad66728b8c7b70
Sep 10 17:07:28.022 INFO running `"docker" "start" "-a" "8b1980441f76ab16e205e73cbb05d754743adbc37d6a5ef06cad66728b8c7b70"`
Sep 10 17:07:28.679 INFO kablam! usermod: no changes
Sep 10 17:07:28.728 INFO kablam!    Compiling grabbag_macros v0.1.2
Sep 10 17:07:29.995 INFO kablam!     Checking grabbag v0.1.2 (file:///source)
Sep 10 17:07:30.951 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 17:07:30.951 INFO kablam!   --> src/iter/skip_exactly.rs:57:37
Sep 10 17:07:30.951 INFO kablam!    |
Sep 10 17:07:30.951 INFO kablam! 57 |     let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::<Vec<_>>(); }).join();
Sep 10 17:07:30.951 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 17:07:30.951 INFO kablam!    |
Sep 10 17:07:30.951 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 10 17:07:30.951 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 17:07:30.951 INFO kablam! 
Sep 10 17:07:30.953 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 17:07:30.953 INFO kablam!   --> src/iter/take_exactly.rs:90:37
Sep 10 17:07:30.953 INFO kablam!    |
Sep 10 17:07:30.953 INFO kablam! 90 |     let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::<Vec<_>>(); }).join();
Sep 10 17:07:30.953 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 17:07:30.953 INFO kablam!    |
Sep 10 17:07:30.953 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 17:07:30.953 INFO kablam! 
Sep 10 17:07:30.973 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
Sep 10 17:07:30.975 INFO kablam! su: No module specific data is present
Sep 10 17:07:31.667 INFO running `"docker" "rm" "-f" "8b1980441f76ab16e205e73cbb05d754743adbc37d6a5ef06cad66728b8c7b70"`
Sep 10 17:07:31.735 INFO blam! 8b1980441f76ab16e205e73cbb05d754743adbc37d6a5ef06cad66728b8c7b70