Aug 30 13:42:06.717 INFO checking immutable-0.1.1 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 13:42:06.717 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 13:42:06.718 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 13:42:06.874 INFO blam! 581ecef2f5b26987708f8eae46d814fa808d0d108dc004692b13339b153d04f4
Aug 30 13:42:06.876 INFO running `"docker" "start" "-a" "581ecef2f5b26987708f8eae46d814fa808d0d108dc004692b13339b153d04f4"`
Aug 30 13:42:07.541 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Aug 30 13:42:07.956 INFO kablam! warning: unused import: `std::vec::IntoIter`
Aug 30 13:42:07.956 INFO kablam!  --> src/list.rs:7:5
Aug 30 13:42:07.956 INFO kablam!   |
Aug 30 13:42:07.956 INFO kablam! 7 | use std::vec::IntoIter;
Aug 30 13:42:07.956 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Aug 30 13:42:07.957 INFO kablam!   |
Aug 30 13:42:07.957 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 13:42:07.957 INFO kablam! 
Aug 30 13:42:08.057 INFO kablam! warning: unused import: `std::vec::IntoIter`
Aug 30 13:42:08.057 INFO kablam!  --> src/list.rs:7:5
Aug 30 13:42:08.057 INFO kablam!   |
Aug 30 13:42:08.057 INFO kablam! 7 | use std::vec::IntoIter;
Aug 30 13:42:08.057 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Aug 30 13:42:08.057 INFO kablam!   |
Aug 30 13:42:08.057 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 13:42:08.057 INFO kablam! 
Aug 30 13:42:08.309 INFO kablam! warning: unused attribute
Aug 30 13:42:08.309 INFO kablam!  --> src/list.rs:9:1
Aug 30 13:42:08.309 INFO kablam!   |
Aug 30 13:42:08.309 INFO kablam! 9 | #[macro_escape]
Aug 30 13:42:08.309 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 30 13:42:08.309 INFO kablam!   |
Aug 30 13:42:08.309 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Aug 30 13:42:08.310 INFO kablam! 
Aug 30 13:42:08.310 INFO kablam! warning: unused attribute
Aug 30 13:42:08.310 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Aug 30 13:42:08.310 INFO kablam!    |
Aug 30 13:42:08.310 INFO kablam! 11 | #[macro_escape]
Aug 30 13:42:08.310 INFO kablam!    | ^^^^^^^^^^^^^^^
Aug 30 13:42:08.310 INFO kablam! 
Aug 30 13:42:08.637 INFO kablam! warning: unused attribute
Aug 30 13:42:08.637 INFO kablam!  --> src/list.rs:9:1
Aug 30 13:42:08.637 INFO kablam!   |
Aug 30 13:42:08.637 INFO kablam! 9 | #[macro_escape]
Aug 30 13:42:08.637 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 30 13:42:08.637 INFO kablam!   |
Aug 30 13:42:08.637 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Aug 30 13:42:08.637 INFO kablam! 
Aug 30 13:42:08.637 INFO kablam! warning: unused attribute
Aug 30 13:42:08.637 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Aug 30 13:42:08.637 INFO kablam!    |
Aug 30 13:42:08.637 INFO kablam! 11 | #[macro_escape]
Aug 30 13:42:08.637 INFO kablam!    | ^^^^^^^^^^^^^^^
Aug 30 13:42:08.637 INFO kablam! 
Aug 30 13:42:08.657 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Aug 30 13:42:08.659 INFO kablam! su: No module specific data is present
Aug 30 13:42:09.125 INFO running `"docker" "rm" "-f" "581ecef2f5b26987708f8eae46d814fa808d0d108dc004692b13339b153d04f4"`
Aug 30 13:42:09.225 INFO blam! 581ecef2f5b26987708f8eae46d814fa808d0d108dc004692b13339b153d04f4