Sep 04 13:50:37.224 INFO checking immutable-0.1.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 13:50:37.224 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 13:50:37.224 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 13:50:37.381 INFO blam! 51f3700d96feb2dcbce0ff520d14e68bf0b8ec91f48399d9035b769096a1fde5
Sep 04 13:50:37.382 INFO running `"docker" "start" "-a" "51f3700d96feb2dcbce0ff520d14e68bf0b8ec91f48399d9035b769096a1fde5"`
Sep 04 13:50:38.194 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Sep 04 13:50:38.660 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 04 13:50:38.660 INFO kablam!  --> src/list.rs:7:5
Sep 04 13:50:38.660 INFO kablam!   |
Sep 04 13:50:38.660 INFO kablam! 7 | use std::vec::IntoIter;
Sep 04 13:50:38.660 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 04 13:50:38.660 INFO kablam!   |
Sep 04 13:50:38.660 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 13:50:38.660 INFO kablam! 
Sep 04 13:50:38.717 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 04 13:50:38.717 INFO kablam!  --> src/list.rs:7:5
Sep 04 13:50:38.718 INFO kablam!   |
Sep 04 13:50:38.718 INFO kablam! 7 | use std::vec::IntoIter;
Sep 04 13:50:38.718 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 04 13:50:38.718 INFO kablam!   |
Sep 04 13:50:38.718 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 13:50:38.718 INFO kablam! 
Sep 04 13:50:38.956 INFO kablam! warning: unused attribute
Sep 04 13:50:38.956 INFO kablam!  --> src/list.rs:9:1
Sep 04 13:50:38.956 INFO kablam!   |
Sep 04 13:50:38.956 INFO kablam! 9 | #[macro_escape]
Sep 04 13:50:38.956 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 04 13:50:38.957 INFO kablam!   |
Sep 04 13:50:38.957 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 04 13:50:38.957 INFO kablam! 
Sep 04 13:50:38.957 INFO kablam! warning: unused attribute
Sep 04 13:50:38.957 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 04 13:50:38.957 INFO kablam!    |
Sep 04 13:50:38.957 INFO kablam! 11 | #[macro_escape]
Sep 04 13:50:38.957 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 04 13:50:38.957 INFO kablam! 
Sep 04 13:50:39.240 INFO kablam! warning: unused attribute
Sep 04 13:50:39.240 INFO kablam!  --> src/list.rs:9:1
Sep 04 13:50:39.240 INFO kablam!   |
Sep 04 13:50:39.240 INFO kablam! 9 | #[macro_escape]
Sep 04 13:50:39.240 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 04 13:50:39.241 INFO kablam!   |
Sep 04 13:50:39.241 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 04 13:50:39.241 INFO kablam! 
Sep 04 13:50:39.241 INFO kablam! warning: unused attribute
Sep 04 13:50:39.241 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 04 13:50:39.241 INFO kablam!    |
Sep 04 13:50:39.241 INFO kablam! 11 | #[macro_escape]
Sep 04 13:50:39.241 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 04 13:50:39.241 INFO kablam! 
Sep 04 13:50:39.258 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Sep 04 13:50:39.260 INFO kablam! su: No module specific data is present
Sep 04 13:50:39.767 INFO running `"docker" "rm" "-f" "51f3700d96feb2dcbce0ff520d14e68bf0b8ec91f48399d9035b769096a1fde5"`
Sep 04 13:50:39.868 INFO blam! 51f3700d96feb2dcbce0ff520d14e68bf0b8ec91f48399d9035b769096a1fde5