Sep 10 16:29:28.174 INFO checking immutable-0.1.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 16:29:28.174 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 16:29:28.174 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 16:29:28.367 INFO blam! 90aeb87ba05ef94ae1dfac5707803a584796b84df47b88eb9e34b1111ac4450c
Sep 10 16:29:28.369 INFO running `"docker" "start" "-a" "90aeb87ba05ef94ae1dfac5707803a584796b84df47b88eb9e34b1111ac4450c"`
Sep 10 16:29:29.078 INFO kablam! usermod: no changes
Sep 10 16:29:29.102 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Sep 10 16:29:29.300 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 10 16:29:29.300 INFO kablam!  --> src/list.rs:7:5
Sep 10 16:29:29.300 INFO kablam!   |
Sep 10 16:29:29.300 INFO kablam! 7 | use std::vec::IntoIter;
Sep 10 16:29:29.300 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 10 16:29:29.300 INFO kablam!   |
Sep 10 16:29:29.300 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:29:29.300 INFO kablam! 
Sep 10 16:29:29.319 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 10 16:29:29.319 INFO kablam!  --> src/list.rs:7:5
Sep 10 16:29:29.319 INFO kablam!   |
Sep 10 16:29:29.319 INFO kablam! 7 | use std::vec::IntoIter;
Sep 10 16:29:29.319 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 10 16:29:29.319 INFO kablam!   |
Sep 10 16:29:29.320 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:29:29.320 INFO kablam! 
Sep 10 16:29:29.460 INFO kablam! warning: unused attribute
Sep 10 16:29:29.460 INFO kablam!  --> src/list.rs:9:1
Sep 10 16:29:29.460 INFO kablam!   |
Sep 10 16:29:29.460 INFO kablam! 9 | #[macro_escape]
Sep 10 16:29:29.460 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 10 16:29:29.460 INFO kablam!   |
Sep 10 16:29:29.460 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 10 16:29:29.460 INFO kablam! 
Sep 10 16:29:29.460 INFO kablam! warning: unused attribute
Sep 10 16:29:29.460 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 10 16:29:29.460 INFO kablam!    |
Sep 10 16:29:29.460 INFO kablam! 11 | #[macro_escape]
Sep 10 16:29:29.460 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 10 16:29:29.460 INFO kablam! 
Sep 10 16:29:29.554 INFO kablam! warning: unused attribute
Sep 10 16:29:29.554 INFO kablam!  --> src/list.rs:9:1
Sep 10 16:29:29.554 INFO kablam!   |
Sep 10 16:29:29.554 INFO kablam! 9 | #[macro_escape]
Sep 10 16:29:29.555 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 10 16:29:29.555 INFO kablam!   |
Sep 10 16:29:29.555 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 10 16:29:29.555 INFO kablam! 
Sep 10 16:29:29.555 INFO kablam! warning: unused attribute
Sep 10 16:29:29.555 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 10 16:29:29.555 INFO kablam!    |
Sep 10 16:29:29.555 INFO kablam! 11 | #[macro_escape]
Sep 10 16:29:29.555 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 10 16:29:29.555 INFO kablam! 
Sep 10 16:29:29.568 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Sep 10 16:29:29.569 INFO kablam! su: No module specific data is present
Sep 10 16:29:30.229 INFO running `"docker" "rm" "-f" "90aeb87ba05ef94ae1dfac5707803a584796b84df47b88eb9e34b1111ac4450c"`
Sep 10 16:29:30.282 INFO blam! 90aeb87ba05ef94ae1dfac5707803a584796b84df47b88eb9e34b1111ac4450c