Sep 02 10:27:50.781 INFO checking immutable-0.1.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 10:27:50.781 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 10:27:50.781 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 10:27:50.984 INFO blam! 3c4fc2953ba01f09ec82c31782725d58c9a101181d517587f85acd6d0d6e5b73
Sep 02 10:27:50.987 INFO running `"docker" "start" "-a" "3c4fc2953ba01f09ec82c31782725d58c9a101181d517587f85acd6d0d6e5b73"`
Sep 02 10:27:51.680 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Sep 02 10:27:52.104 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 02 10:27:52.104 INFO kablam!  --> src/list.rs:7:5
Sep 02 10:27:52.104 INFO kablam!   |
Sep 02 10:27:52.104 INFO kablam! 7 | use std::vec::IntoIter;
Sep 02 10:27:52.104 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 02 10:27:52.104 INFO kablam!   |
Sep 02 10:27:52.104 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 10:27:52.104 INFO kablam! 
Sep 02 10:27:52.241 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 02 10:27:52.241 INFO kablam!  --> src/list.rs:7:5
Sep 02 10:27:52.241 INFO kablam!   |
Sep 02 10:27:52.241 INFO kablam! 7 | use std::vec::IntoIter;
Sep 02 10:27:52.241 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 02 10:27:52.241 INFO kablam!   |
Sep 02 10:27:52.241 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 10:27:52.241 INFO kablam! 
Sep 02 10:27:52.458 INFO kablam! warning: unused attribute
Sep 02 10:27:52.458 INFO kablam!  --> src/list.rs:9:1
Sep 02 10:27:52.458 INFO kablam!   |
Sep 02 10:27:52.458 INFO kablam! 9 | #[macro_escape]
Sep 02 10:27:52.458 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 02 10:27:52.458 INFO kablam!   |
Sep 02 10:27:52.458 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 02 10:27:52.458 INFO kablam! 
Sep 02 10:27:52.458 INFO kablam! warning: unused attribute
Sep 02 10:27:52.458 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 02 10:27:52.458 INFO kablam!    |
Sep 02 10:27:52.458 INFO kablam! 11 | #[macro_escape]
Sep 02 10:27:52.459 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 02 10:27:52.459 INFO kablam! 
Sep 02 10:27:52.802 INFO kablam! warning: unused attribute
Sep 02 10:27:52.802 INFO kablam!  --> src/list.rs:9:1
Sep 02 10:27:52.802 INFO kablam!   |
Sep 02 10:27:52.802 INFO kablam! 9 | #[macro_escape]
Sep 02 10:27:52.802 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 02 10:27:52.802 INFO kablam!   |
Sep 02 10:27:52.802 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 02 10:27:52.802 INFO kablam! 
Sep 02 10:27:52.802 INFO kablam! warning: unused attribute
Sep 02 10:27:52.802 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 02 10:27:52.802 INFO kablam!    |
Sep 02 10:27:52.802 INFO kablam! 11 | #[macro_escape]
Sep 02 10:27:52.802 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 02 10:27:52.802 INFO kablam! 
Sep 02 10:27:52.818 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Sep 02 10:27:52.820 INFO kablam! su: No module specific data is present
Sep 02 10:27:53.210 INFO running `"docker" "rm" "-f" "3c4fc2953ba01f09ec82c31782725d58c9a101181d517587f85acd6d0d6e5b73"`
Sep 02 10:27:53.324 INFO blam! 3c4fc2953ba01f09ec82c31782725d58c9a101181d517587f85acd6d0d6e5b73