Sep 02 10:27:52.091 INFO checking immutable-0.1.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 10:27:52.091 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 10:27:52.091 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 10:27:52.271 INFO blam! 9db48c21bae13363ffbebcc10167e0a389d989eaeb0830ad29a20db7bcfff074
Sep 02 10:27:52.273 INFO running `"docker" "start" "-a" "9db48c21bae13363ffbebcc10167e0a389d989eaeb0830ad29a20db7bcfff074"`
Sep 02 10:27:53.049 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Sep 02 10:27:53.462 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 02 10:27:53.462 INFO kablam!  --> src/list.rs:7:5
Sep 02 10:27:53.462 INFO kablam!   |
Sep 02 10:27:53.462 INFO kablam! 7 | use std::vec::IntoIter;
Sep 02 10:27:53.462 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 02 10:27:53.462 INFO kablam!   |
Sep 02 10:27:53.462 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 10:27:53.462 INFO kablam! 
Sep 02 10:27:53.641 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 02 10:27:53.641 INFO kablam!  --> src/list.rs:7:5
Sep 02 10:27:53.641 INFO kablam!   |
Sep 02 10:27:53.641 INFO kablam! 7 | use std::vec::IntoIter;
Sep 02 10:27:53.641 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 02 10:27:53.641 INFO kablam!   |
Sep 02 10:27:53.641 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 10:27:53.641 INFO kablam! 
Sep 02 10:27:53.863 INFO kablam! warning: unused attribute
Sep 02 10:27:53.863 INFO kablam!  --> src/list.rs:9:1
Sep 02 10:27:53.863 INFO kablam!   |
Sep 02 10:27:53.863 INFO kablam! 9 | #[macro_escape]
Sep 02 10:27:53.863 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 02 10:27:53.863 INFO kablam!   |
Sep 02 10:27:53.863 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 02 10:27:53.863 INFO kablam! 
Sep 02 10:27:53.863 INFO kablam! warning: unused attribute
Sep 02 10:27:53.863 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 02 10:27:53.863 INFO kablam!    |
Sep 02 10:27:53.863 INFO kablam! 11 | #[macro_escape]
Sep 02 10:27:53.863 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 02 10:27:53.864 INFO kablam! 
Sep 02 10:27:54.300 INFO kablam! warning: unused attribute
Sep 02 10:27:54.300 INFO kablam!  --> src/list.rs:9:1
Sep 02 10:27:54.301 INFO kablam!   |
Sep 02 10:27:54.301 INFO kablam! 9 | #[macro_escape]
Sep 02 10:27:54.301 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 02 10:27:54.301 INFO kablam!   |
Sep 02 10:27:54.301 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 02 10:27:54.301 INFO kablam! 
Sep 02 10:27:54.301 INFO kablam! warning: unused attribute
Sep 02 10:27:54.301 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 02 10:27:54.301 INFO kablam!    |
Sep 02 10:27:54.301 INFO kablam! 11 | #[macro_escape]
Sep 02 10:27:54.301 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 02 10:27:54.301 INFO kablam! 
Sep 02 10:27:54.321 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Sep 02 10:27:54.324 INFO kablam! su: No module specific data is present
Sep 02 10:27:54.891 INFO running `"docker" "rm" "-f" "9db48c21bae13363ffbebcc10167e0a389d989eaeb0830ad29a20db7bcfff074"`
Sep 02 10:27:54.982 INFO blam! 9db48c21bae13363ffbebcc10167e0a389d989eaeb0830ad29a20db7bcfff074