Sep 04 16:47:01.422 INFO checking immutable-0.1.1 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 04 16:47:01.422 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 04 16:47:01.422 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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 +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 16:47:01.574 INFO blam! f4e32e7ffbe854ff18d834365d58bdfa355d7c31db7e1d8c3c924f3c0f3d3913
Sep 04 16:47:01.575 INFO running `"docker" "start" "-a" "f4e32e7ffbe854ff18d834365d58bdfa355d7c31db7e1d8c3c924f3c0f3d3913"`
Sep 04 16:47:02.348 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Sep 04 16:47:02.755 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 04 16:47:02.755 INFO kablam!  --> src/list.rs:7:5
Sep 04 16:47:02.755 INFO kablam!   |
Sep 04 16:47:02.755 INFO kablam! 7 | use std::vec::IntoIter;
Sep 04 16:47:02.755 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 04 16:47:02.755 INFO kablam!   |
Sep 04 16:47:02.755 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 16:47:02.755 INFO kablam! 
Sep 04 16:47:02.850 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 04 16:47:02.850 INFO kablam!  --> src/list.rs:7:5
Sep 04 16:47:02.851 INFO kablam!   |
Sep 04 16:47:02.851 INFO kablam! 7 | use std::vec::IntoIter;
Sep 04 16:47:02.851 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 04 16:47:02.851 INFO kablam!   |
Sep 04 16:47:02.851 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 16:47:02.851 INFO kablam! 
Sep 04 16:47:03.046 INFO kablam! warning: unused attribute
Sep 04 16:47:03.046 INFO kablam!  --> src/list.rs:9:1
Sep 04 16:47:03.046 INFO kablam!   |
Sep 04 16:47:03.046 INFO kablam! 9 | #[macro_escape]
Sep 04 16:47:03.046 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 04 16:47:03.046 INFO kablam!   |
Sep 04 16:47:03.046 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 04 16:47:03.046 INFO kablam! 
Sep 04 16:47:03.046 INFO kablam! warning: unused attribute
Sep 04 16:47:03.046 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 04 16:47:03.046 INFO kablam!    |
Sep 04 16:47:03.046 INFO kablam! 11 | #[macro_escape]
Sep 04 16:47:03.046 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 04 16:47:03.046 INFO kablam! 
Sep 04 16:47:03.356 INFO kablam! warning: unused attribute
Sep 04 16:47:03.356 INFO kablam!  --> src/list.rs:9:1
Sep 04 16:47:03.356 INFO kablam!   |
Sep 04 16:47:03.356 INFO kablam! 9 | #[macro_escape]
Sep 04 16:47:03.356 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 04 16:47:03.356 INFO kablam!   |
Sep 04 16:47:03.356 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 04 16:47:03.356 INFO kablam! 
Sep 04 16:47:03.356 INFO kablam! warning: unused attribute
Sep 04 16:47:03.356 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 04 16:47:03.356 INFO kablam!    |
Sep 04 16:47:03.356 INFO kablam! 11 | #[macro_escape]
Sep 04 16:47:03.356 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 04 16:47:03.356 INFO kablam! 
Sep 04 16:47:03.369 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Sep 04 16:47:03.372 INFO kablam! su: No module specific data is present
Sep 04 16:47:03.842 INFO running `"docker" "rm" "-f" "f4e32e7ffbe854ff18d834365d58bdfa355d7c31db7e1d8c3c924f3c0f3d3913"`
Sep 04 16:47:03.972 INFO blam! f4e32e7ffbe854ff18d834365d58bdfa355d7c31db7e1d8c3c924f3c0f3d3913