Oct 28 00:44:02.986 INFO checking binary-tree-0.2.0 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 28 00:44:02.991 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 28 00:44:03.435 INFO blam! 351a1196ba3b176e1bbf82ed1267000b12e10b0094c3d8882bb06b3f8bad34cf
Oct 28 00:44:03.447 INFO running `"docker" "start" "-a" "351a1196ba3b176e1bbf82ed1267000b12e10b0094c3d8882bb06b3f8bad34cf"`
Oct 28 00:44:04.483 INFO kablam! usermod: no changes
Oct 28 00:44:04.619 INFO kablam!     Checking binary-tree v0.2.0 (/source)
Oct 28 00:44:09.492 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 28 00:44:09.492 INFO kablam!   --> benches/from_iter.rs:16:9
Oct 28 00:44:09.493 INFO kablam!    |
Oct 28 00:44:09.493 INFO kablam! 16 |         (0..TOTAL).collect::<CountTree<_>>();
Oct 28 00:44:09.493 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 28 00:44:09.494 INFO kablam!    |
Oct 28 00:44:09.494 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 28 00:44:09.494 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 28 00:44:09.494 INFO kablam! 
Oct 28 00:44:09.495 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 28 00:44:09.495 INFO kablam!   --> benches/from_iter.rs:23:9
Oct 28 00:44:09.495 INFO kablam!    |
Oct 28 00:44:09.496 INFO kablam! 23 |         (0..TOTAL).collect::<LinkedList<_>>();
Oct 28 00:44:09.496 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 28 00:44:09.496 INFO kablam!    |
Oct 28 00:44:09.497 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 28 00:44:09.497 INFO kablam! 
Oct 28 00:44:09.497 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 28 00:44:09.497 INFO kablam!   --> benches/from_iter.rs:30:9
Oct 28 00:44:09.498 INFO kablam!    |
Oct 28 00:44:09.498 INFO kablam! 30 |         (0..TOTAL).collect::<Vec<_>>();
Oct 28 00:44:09.498 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 28 00:44:09.498 INFO kablam!    |
Oct 28 00:44:09.499 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 28 00:44:09.499 INFO kablam! 
Oct 28 00:44:10.120 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
Oct 28 00:44:10.126 INFO kablam! su: No module specific data is present
Oct 28 00:44:10.951 INFO running `"docker" "rm" "-f" "351a1196ba3b176e1bbf82ed1267000b12e10b0094c3d8882bb06b3f8bad34cf"`
Oct 28 00:44:11.183 INFO blam! 351a1196ba3b176e1bbf82ed1267000b12e10b0094c3d8882bb06b3f8bad34cf