Aug 17 19:33:12.301 INFO checking immutable-0.1.1 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 19:33:12.301 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 19:33:12.301 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 19:33:12.301 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-7/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 19:33:12.602 INFO blam! b535d2e4134252d2771951b980ce03404fbb0a31286f8a42decabcaa9d8da508
Aug 17 19:33:12.605 INFO running `"docker" "start" "-a" "b535d2e4134252d2771951b980ce03404fbb0a31286f8a42decabcaa9d8da508"`
Aug 17 19:33:13.522 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Aug 17 19:33:14.237 INFO kablam! warning: unused import: `std::vec::IntoIter`
Aug 17 19:33:14.237 INFO kablam!  --> src/list.rs:7:5
Aug 17 19:33:14.237 INFO kablam!   |
Aug 17 19:33:14.237 INFO kablam! 7 | use std::vec::IntoIter;
Aug 17 19:33:14.237 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Aug 17 19:33:14.237 INFO kablam!   |
Aug 17 19:33:14.238 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 17 19:33:14.238 INFO kablam! 
Aug 17 19:33:14.571 INFO kablam! warning: unused import: `std::vec::IntoIter`
Aug 17 19:33:14.571 INFO kablam!  --> src/list.rs:7:5
Aug 17 19:33:14.571 INFO kablam!   |
Aug 17 19:33:14.571 INFO kablam! 7 | use std::vec::IntoIter;
Aug 17 19:33:14.571 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Aug 17 19:33:14.571 INFO kablam!   |
Aug 17 19:33:14.571 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 17 19:33:14.571 INFO kablam! 
Aug 17 19:33:15.581 INFO kablam! warning: unused attribute
Aug 17 19:33:15.581 INFO kablam!  --> src/list.rs:9:1
Aug 17 19:33:15.581 INFO kablam!   |
Aug 17 19:33:15.581 INFO kablam! 9 | #[macro_escape]
Aug 17 19:33:15.581 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 17 19:33:15.581 INFO kablam!   |
Aug 17 19:33:15.582 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Aug 17 19:33:15.582 INFO kablam! 
Aug 17 19:33:15.582 INFO kablam! warning: unused attribute
Aug 17 19:33:15.582 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Aug 17 19:33:15.582 INFO kablam!    |
Aug 17 19:33:15.582 INFO kablam! 11 | #[macro_escape]
Aug 17 19:33:15.582 INFO kablam!    | ^^^^^^^^^^^^^^^
Aug 17 19:33:15.582 INFO kablam! 
Aug 17 19:33:15.709 INFO kablam! warning: unused attribute
Aug 17 19:33:15.709 INFO kablam!  --> src/list.rs:9:1
Aug 17 19:33:15.709 INFO kablam!   |
Aug 17 19:33:15.709 INFO kablam! 9 | #[macro_escape]
Aug 17 19:33:15.709 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 17 19:33:15.710 INFO kablam!   |
Aug 17 19:33:15.710 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Aug 17 19:33:15.711 INFO kablam! 
Aug 17 19:33:15.711 INFO kablam! warning: unused attribute
Aug 17 19:33:15.711 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Aug 17 19:33:15.711 INFO kablam!    |
Aug 17 19:33:15.711 INFO kablam! 11 | #[macro_escape]
Aug 17 19:33:15.711 INFO kablam!    | ^^^^^^^^^^^^^^^
Aug 17 19:33:15.712 INFO kablam! 
Aug 17 19:33:15.777 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
Aug 17 19:33:15.779 INFO kablam! su: No module specific data is present
Aug 17 19:33:16.252 INFO running `"docker" "rm" "-f" "b535d2e4134252d2771951b980ce03404fbb0a31286f8a42decabcaa9d8da508"`
Aug 17 19:33:16.396 INFO blam! b535d2e4134252d2771951b980ce03404fbb0a31286f8a42decabcaa9d8da508