Nov 02 01:32:39.010 INFO checking binary-tree-0.2.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 02 01:32:39.011 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 02 01:32:39.228 INFO blam! 30abb008a7af8077d066563e31b73030d495d37b741a8b2208391103517355ce
Nov 02 01:32:39.230 INFO running `"docker" "start" "-a" "30abb008a7af8077d066563e31b73030d495d37b741a8b2208391103517355ce"`
Nov 02 01:32:39.712 INFO kablam! usermod: no changes
Nov 02 01:32:39.754 INFO kablam!     Checking binary-tree v0.2.0 (/source)
Nov 02 01:32:43.936 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 01:32:43.936 INFO kablam!   --> benches/from_iter.rs:16:9
Nov 02 01:32:43.936 INFO kablam!    |
Nov 02 01:32:43.936 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Nov 02 01:32:43.936 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:32:43.936 INFO kablam!    |
Nov 02 01:32:43.936 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 01:32:43.936 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 01:32:43.936 INFO kablam! 
Nov 02 01:32:43.936 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 01:32:43.936 INFO kablam!   --> benches/from_iter.rs:23:9
Nov 02 01:32:43.936 INFO kablam!    |
Nov 02 01:32:43.936 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Nov 02 01:32:43.936 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:32:43.936 INFO kablam!    |
Nov 02 01:32:43.936 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 01:32:43.936 INFO kablam! 
Nov 02 01:32:43.936 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 01:32:43.936 INFO kablam!   --> benches/from_iter.rs:30:9
Nov 02 01:32:43.936 INFO kablam!    |
Nov 02 01:32:43.936 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Nov 02 01:32:43.936 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:32:43.936 INFO kablam!    |
Nov 02 01:32:43.936 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 01:32:43.936 INFO kablam! 
Nov 02 01:32:44.290 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
Nov 02 01:32:44.297 INFO kablam! su: No module specific data is present
Nov 02 01:32:44.764 INFO running `"docker" "rm" "-f" "30abb008a7af8077d066563e31b73030d495d37b741a8b2208391103517355ce"`
Nov 02 01:32:45.056 INFO blam! 30abb008a7af8077d066563e31b73030d495d37b741a8b2208391103517355ce