Oct 13 14:07:14.696 INFO checking grabbag-0.1.2 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 14:07:14.696 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 14:07:15.041 INFO blam! a708e5ee30802b4e94d947ac44968c461ada38c1343dfef8c4ae6572e2be604b
Oct 13 14:07:15.042 INFO running `"docker" "start" "-a" "a708e5ee30802b4e94d947ac44968c461ada38c1343dfef8c4ae6572e2be604b"`
Oct 13 14:07:16.237 INFO kablam! usermod: no changes
Oct 13 14:07:16.284 INFO kablam!    Compiling grabbag_macros v0.1.2
Oct 13 14:07:17.959 INFO kablam!     Checking grabbag v0.1.2 (/source)
Oct 13 14:07:19.443 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 14:07:19.443 INFO kablam!   --> src/iter/skip_exactly.rs:57:37
Oct 13 14:07:19.443 INFO kablam!    |
Oct 13 14:07:19.444 INFO kablam! 57 |     let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::<Vec<_>>(); }).join();
Oct 13 14:07:19.444 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 14:07:19.444 INFO kablam!    |
Oct 13 14:07:19.444 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 14:07:19.444 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 14:07:19.444 INFO kablam! 
Oct 13 14:07:19.448 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 14:07:19.448 INFO kablam!   --> src/iter/take_exactly.rs:90:37
Oct 13 14:07:19.448 INFO kablam!    |
Oct 13 14:07:19.448 INFO kablam! 90 |     let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::<Vec<_>>(); }).join();
Oct 13 14:07:19.448 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 14:07:19.448 INFO kablam!    |
Oct 13 14:07:19.449 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 14:07:19.449 INFO kablam! 
Oct 13 14:07:19.510 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
Oct 13 14:07:19.514 INFO kablam! su: No module specific data is present
Oct 13 14:07:20.210 INFO running `"docker" "rm" "-f" "a708e5ee30802b4e94d947ac44968c461ada38c1343dfef8c4ae6572e2be604b"`
Oct 13 14:07:20.336 INFO blam! a708e5ee30802b4e94d947ac44968c461ada38c1343dfef8c4ae6572e2be604b