Sep 06 05:16:03.755 INFO checking immutable-0.1.1 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 05:16:03.755 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 05:16:03.755 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 05:16:03.895 INFO blam! d4b038da9a177f6c2b8d7d0725880702f3ed3a2a270258ae9043be7011bba02d
Sep 06 05:16:03.896 INFO running `"docker" "start" "-a" "d4b038da9a177f6c2b8d7d0725880702f3ed3a2a270258ae9043be7011bba02d"`
Sep 06 05:16:04.463 INFO kablam! usermod: no changes
Sep 06 05:16:04.497 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Sep 06 05:16:04.731 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 06 05:16:04.731 INFO kablam!  --> src/list.rs:7:5
Sep 06 05:16:04.731 INFO kablam!   |
Sep 06 05:16:04.731 INFO kablam! 7 | use std::vec::IntoIter;
Sep 06 05:16:04.731 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 06 05:16:04.731 INFO kablam!   |
Sep 06 05:16:04.731 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 05:16:04.731 INFO kablam! 
Sep 06 05:16:04.779 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 06 05:16:04.779 INFO kablam!  --> src/list.rs:7:5
Sep 06 05:16:04.779 INFO kablam!   |
Sep 06 05:16:04.779 INFO kablam! 7 | use std::vec::IntoIter;
Sep 06 05:16:04.779 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 06 05:16:04.779 INFO kablam!   |
Sep 06 05:16:04.779 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 05:16:04.779 INFO kablam! 
Sep 06 05:16:04.922 INFO kablam! warning: unused attribute
Sep 06 05:16:04.922 INFO kablam!  --> src/list.rs:9:1
Sep 06 05:16:04.922 INFO kablam!   |
Sep 06 05:16:04.922 INFO kablam! 9 | #[macro_escape]
Sep 06 05:16:04.922 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 06 05:16:04.922 INFO kablam!   |
Sep 06 05:16:04.922 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 06 05:16:04.922 INFO kablam! 
Sep 06 05:16:04.922 INFO kablam! warning: unused attribute
Sep 06 05:16:04.922 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 06 05:16:04.922 INFO kablam!    |
Sep 06 05:16:04.922 INFO kablam! 11 | #[macro_escape]
Sep 06 05:16:04.922 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 06 05:16:04.922 INFO kablam! 
Sep 06 05:16:05.012 INFO kablam! warning: unused attribute
Sep 06 05:16:05.012 INFO kablam!  --> src/list.rs:9:1
Sep 06 05:16:05.012 INFO kablam!   |
Sep 06 05:16:05.012 INFO kablam! 9 | #[macro_escape]
Sep 06 05:16:05.012 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 06 05:16:05.012 INFO kablam!   |
Sep 06 05:16:05.012 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 06 05:16:05.012 INFO kablam! 
Sep 06 05:16:05.012 INFO kablam! warning: unused attribute
Sep 06 05:16:05.012 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 06 05:16:05.012 INFO kablam!    |
Sep 06 05:16:05.012 INFO kablam! 11 | #[macro_escape]
Sep 06 05:16:05.012 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 06 05:16:05.012 INFO kablam! 
Sep 06 05:16:05.025 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Sep 06 05:16:05.027 INFO kablam! su: No module specific data is present
Sep 06 05:16:05.726 INFO running `"docker" "rm" "-f" "d4b038da9a177f6c2b8d7d0725880702f3ed3a2a270258ae9043be7011bba02d"`
Sep 06 05:16:05.833 INFO blam! d4b038da9a177f6c2b8d7d0725880702f3ed3a2a270258ae9043be7011bba02d