Sep 21 09:11:03.419 INFO checking grabbag-0.1.2 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 09:11:03.419 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 09:11:03.419 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 09:11:03.619 INFO blam! 60088d055c1f5c70526b7607f2bea63c160c6c5bc35eaaed2608d2981e6412c5
Sep 21 09:11:03.621 INFO running `"docker" "start" "-a" "60088d055c1f5c70526b7607f2bea63c160c6c5bc35eaaed2608d2981e6412c5"`
Sep 21 09:11:04.918 INFO kablam! usermod: no changes
Sep 21 09:11:04.961 INFO kablam!    Compiling grabbag_macros v0.1.2
Sep 21 09:11:05.946 INFO kablam!     Checking grabbag v0.1.2 (/source)
Sep 21 09:11:06.891 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 21 09:11:06.891 INFO kablam!   --> src/iter/skip_exactly.rs:57:37
Sep 21 09:11:06.891 INFO kablam!    |
Sep 21 09:11:06.891 INFO kablam! 57 |     let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::<Vec<_>>(); }).join();
Sep 21 09:11:06.891 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 09:11:06.891 INFO kablam!    |
Sep 21 09:11:06.891 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 21 09:11:06.891 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 21 09:11:06.891 INFO kablam! 
Sep 21 09:11:06.894 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 21 09:11:06.894 INFO kablam!   --> src/iter/take_exactly.rs:90:37
Sep 21 09:11:06.894 INFO kablam!    |
Sep 21 09:11:06.894 INFO kablam! 90 |     let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::<Vec<_>>(); }).join();
Sep 21 09:11:06.894 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 09:11:06.894 INFO kablam!    |
Sep 21 09:11:06.894 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 21 09:11:06.894 INFO kablam! 
Sep 21 09:11:06.923 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
Sep 21 09:11:06.926 INFO kablam! su: No module specific data is present
Sep 21 09:11:07.442 INFO running `"docker" "rm" "-f" "60088d055c1f5c70526b7607f2bea63c160c6c5bc35eaaed2608d2981e6412c5"`
Sep 21 09:11:07.512 INFO blam! 60088d055c1f5c70526b7607f2bea63c160c6c5bc35eaaed2608d2981e6412c5