Sep 01 00:26:33.530 INFO checking immutable-0.1.1 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 00:26:33.530 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 00:26:33.530 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 00:26:33.702 INFO blam! b05682e5a95d4be13fa640a1f67c1a80d701075decde87f3dad64eb337af29dc
Sep 01 00:26:33.704 INFO running `"docker" "start" "-a" "b05682e5a95d4be13fa640a1f67c1a80d701075decde87f3dad64eb337af29dc"`
Sep 01 00:26:34.386 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Sep 01 00:26:34.797 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 01 00:26:34.797 INFO kablam!  --> src/list.rs:7:5
Sep 01 00:26:34.797 INFO kablam!   |
Sep 01 00:26:34.798 INFO kablam! 7 | use std::vec::IntoIter;
Sep 01 00:26:34.798 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 01 00:26:34.798 INFO kablam!   |
Sep 01 00:26:34.798 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 00:26:34.798 INFO kablam! 
Sep 01 00:26:34.882 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 01 00:26:34.882 INFO kablam!  --> src/list.rs:7:5
Sep 01 00:26:34.883 INFO kablam!   |
Sep 01 00:26:34.883 INFO kablam! 7 | use std::vec::IntoIter;
Sep 01 00:26:34.883 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 01 00:26:34.883 INFO kablam!   |
Sep 01 00:26:34.883 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 00:26:34.883 INFO kablam! 
Sep 01 00:26:35.199 INFO kablam! warning: unused attribute
Sep 01 00:26:35.199 INFO kablam!  --> src/list.rs:9:1
Sep 01 00:26:35.200 INFO kablam!   |
Sep 01 00:26:35.200 INFO kablam! 9 | #[macro_escape]
Sep 01 00:26:35.200 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 01 00:26:35.200 INFO kablam!   |
Sep 01 00:26:35.200 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 01 00:26:35.200 INFO kablam! 
Sep 01 00:26:35.200 INFO kablam! warning: unused attribute
Sep 01 00:26:35.200 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 01 00:26:35.200 INFO kablam!    |
Sep 01 00:26:35.200 INFO kablam! 11 | #[macro_escape]
Sep 01 00:26:35.200 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 01 00:26:35.200 INFO kablam! 
Sep 01 00:26:35.530 INFO kablam! warning: unused attribute
Sep 01 00:26:35.530 INFO kablam!  --> src/list.rs:9:1
Sep 01 00:26:35.530 INFO kablam!   |
Sep 01 00:26:35.530 INFO kablam! 9 | #[macro_escape]
Sep 01 00:26:35.530 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 01 00:26:35.530 INFO kablam!   |
Sep 01 00:26:35.530 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 01 00:26:35.531 INFO kablam! 
Sep 01 00:26:35.531 INFO kablam! warning: unused attribute
Sep 01 00:26:35.531 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 01 00:26:35.531 INFO kablam!    |
Sep 01 00:26:35.531 INFO kablam! 11 | #[macro_escape]
Sep 01 00:26:35.531 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 01 00:26:35.531 INFO kablam! 
Sep 01 00:26:35.551 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Sep 01 00:26:35.554 INFO kablam! su: No module specific data is present
Sep 01 00:26:36.032 INFO running `"docker" "rm" "-f" "b05682e5a95d4be13fa640a1f67c1a80d701075decde87f3dad64eb337af29dc"`
Sep 01 00:26:36.167 INFO blam! b05682e5a95d4be13fa640a1f67c1a80d701075decde87f3dad64eb337af29dc