Nov 10 08:46:04.235 INFO checking binary-tree-0.2.0 against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 10 08:46:04.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-2/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 10 08:46:04.394 INFO blam! 874704bdc807a02ede63a24d12c58d162935590a6a3ab4d08822044c27effaf8
Nov 10 08:46:04.396 INFO running `"docker" "start" "-a" "874704bdc807a02ede63a24d12c58d162935590a6a3ab4d08822044c27effaf8"`
Nov 10 08:46:04.967 INFO kablam! usermod: no changes
Nov 10 08:46:05.021 INFO kablam!     Checking binary-tree v0.2.0 (/source)
Nov 10 08:46:07.867 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 10 08:46:07.867 INFO kablam!   --> benches/from_iter.rs:16:9
Nov 10 08:46:07.867 INFO kablam!    |
Nov 10 08:46:07.867 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Nov 10 08:46:07.867 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 08:46:07.875 INFO kablam!    |
Nov 10 08:46:07.875 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 10 08:46:07.875 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 10 08:46:07.875 INFO kablam! 
Nov 10 08:46:07.875 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 10 08:46:07.875 INFO kablam!   --> benches/from_iter.rs:23:9
Nov 10 08:46:07.875 INFO kablam!    |
Nov 10 08:46:07.875 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Nov 10 08:46:07.875 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 08:46:07.875 INFO kablam!    |
Nov 10 08:46:07.875 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 10 08:46:07.875 INFO kablam! 
Nov 10 08:46:07.879 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 10 08:46:07.879 INFO kablam!   --> benches/from_iter.rs:30:9
Nov 10 08:46:07.879 INFO kablam!    |
Nov 10 08:46:07.879 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Nov 10 08:46:07.879 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 08:46:07.879 INFO kablam!    |
Nov 10 08:46:07.879 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 10 08:46:07.879 INFO kablam! 
Nov 10 08:46:08.839 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
Nov 10 08:46:08.839 INFO kablam! su: No module specific data is present
Nov 10 08:46:09.379 INFO running `"docker" "rm" "-f" "874704bdc807a02ede63a24d12c58d162935590a6a3ab4d08822044c27effaf8"`
Nov 10 08:46:09.507 INFO blam! 874704bdc807a02ede63a24d12c58d162935590a6a3ab4d08822044c27effaf8