Aug 11 19:14:42.315 INFO checking binary-tree-0.2.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 19:14:42.315 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 19:14:42.315 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 19:14:42.315 INFO running `"docker" "create" "-v" "/tmp/crater.AlMqCqNnmbOu:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-1/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 19:14:42.538 INFO blam! 673d7d76051135fc9f9f8ba13a8c4fc862852fb57f7ef1bda5736b239b783eb9
Aug 11 19:14:42.541 INFO running `"docker" "start" "-a" "673d7d76051135fc9f9f8ba13a8c4fc862852fb57f7ef1bda5736b239b783eb9"`
Aug 11 19:14:43.858 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Aug 11 19:14:49.103 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 11 19:14:49.103 INFO kablam!   --> benches/from_iter.rs:16:9
Aug 11 19:14:49.103 INFO kablam!    |
Aug 11 19:14:49.103 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Aug 11 19:14:49.103 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 19:14:49.103 INFO kablam!    |
Aug 11 19:14:49.103 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 11 19:14:49.103 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 11 19:14:49.103 INFO kablam! 
Aug 11 19:14:49.104 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 11 19:14:49.104 INFO kablam!   --> benches/from_iter.rs:23:9
Aug 11 19:14:49.104 INFO kablam!    |
Aug 11 19:14:49.104 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Aug 11 19:14:49.104 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 19:14:49.104 INFO kablam!    |
Aug 11 19:14:49.104 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 11 19:14:49.104 INFO kablam! 
Aug 11 19:14:49.104 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 11 19:14:49.104 INFO kablam!   --> benches/from_iter.rs:30:9
Aug 11 19:14:49.104 INFO kablam!    |
Aug 11 19:14:49.104 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Aug 11 19:14:49.104 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 19:14:49.104 INFO kablam!    |
Aug 11 19:14:49.104 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 11 19:14:49.104 INFO kablam! 
Aug 11 19:14:49.390 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.60s
Aug 11 19:14:49.400 INFO kablam! su: No module specific data is present
Aug 11 19:14:50.072 INFO running `"docker" "rm" "-f" "673d7d76051135fc9f9f8ba13a8c4fc862852fb57f7ef1bda5736b239b783eb9"`
Aug 11 19:14:50.242 INFO blam! 673d7d76051135fc9f9f8ba13a8c4fc862852fb57f7ef1bda5736b239b783eb9