Nov 05 02:20:42.330 INFO checking binary-tree-0.2.0 against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 05 02:20:42.330 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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"`
Nov 05 02:20:42.486 INFO blam! 916aa57732b9eb5d0f4993cc66b1ef34d1323f8c17f8eed9009ef9bd9a9bae7e
Nov 05 02:20:42.488 INFO running `"docker" "start" "-a" "916aa57732b9eb5d0f4993cc66b1ef34d1323f8c17f8eed9009ef9bd9a9bae7e"`
Nov 05 02:20:42.979 INFO kablam! usermod: no changes
Nov 05 02:20:43.039 INFO kablam!     Checking binary-tree v0.2.0 (/source)
Nov 05 02:20:46.227 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 05 02:20:46.227 INFO kablam!   --> benches/from_iter.rs:16:9
Nov 05 02:20:46.227 INFO kablam!    |
Nov 05 02:20:46.227 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Nov 05 02:20:46.227 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 05 02:20:46.241 INFO kablam!    |
Nov 05 02:20:46.241 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 05 02:20:46.241 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 05 02:20:46.241 INFO kablam! 
Nov 05 02:20:46.241 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 05 02:20:46.241 INFO kablam!   --> benches/from_iter.rs:23:9
Nov 05 02:20:46.241 INFO kablam!    |
Nov 05 02:20:46.241 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Nov 05 02:20:46.241 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 05 02:20:46.241 INFO kablam!    |
Nov 05 02:20:46.241 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 05 02:20:46.241 INFO kablam! 
Nov 05 02:20:46.241 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 05 02:20:46.241 INFO kablam!   --> benches/from_iter.rs:30:9
Nov 05 02:20:46.241 INFO kablam!    |
Nov 05 02:20:46.241 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Nov 05 02:20:46.241 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 05 02:20:46.241 INFO kablam!    |
Nov 05 02:20:46.241 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 05 02:20:46.241 INFO kablam! 
Nov 05 02:20:46.555 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
Nov 05 02:20:46.563 INFO kablam! su: No module specific data is present
Nov 05 02:20:47.015 INFO running `"docker" "rm" "-f" "916aa57732b9eb5d0f4993cc66b1ef34d1323f8c17f8eed9009ef9bd9a9bae7e"`
Nov 05 02:20:47.110 INFO blam! 916aa57732b9eb5d0f4993cc66b1ef34d1323f8c17f8eed9009ef9bd9a9bae7e