Sep 20 01:37:32.845 INFO checking immutable-0.1.1 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 01:37:32.845 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 01:37:32.845 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 01:37:33.021 INFO blam! b62776e0feedd5fc291688ed6eb1cca4d0dc0f77aa51ab269887b1162b69ff30
Sep 20 01:37:33.023 INFO running `"docker" "start" "-a" "b62776e0feedd5fc291688ed6eb1cca4d0dc0f77aa51ab269887b1162b69ff30"`
Sep 20 01:37:33.701 INFO kablam! usermod: no changes
Sep 20 01:37:33.729 INFO kablam!     Checking immutable v0.1.1 (/source)
Sep 20 01:37:33.909 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 20 01:37:33.909 INFO kablam!  --> src/list.rs:7:5
Sep 20 01:37:33.909 INFO kablam!   |
Sep 20 01:37:33.909 INFO kablam! 7 | use std::vec::IntoIter;
Sep 20 01:37:33.909 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 20 01:37:33.909 INFO kablam!   |
Sep 20 01:37:33.909 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 20 01:37:33.909 INFO kablam! 
Sep 20 01:37:34.047 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 20 01:37:34.047 INFO kablam!  --> src/list.rs:7:5
Sep 20 01:37:34.047 INFO kablam!   |
Sep 20 01:37:34.047 INFO kablam! 7 | use std::vec::IntoIter;
Sep 20 01:37:34.047 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 20 01:37:34.047 INFO kablam!   |
Sep 20 01:37:34.047 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 20 01:37:34.047 INFO kablam! 
Sep 20 01:37:34.060 INFO kablam! warning: unused attribute
Sep 20 01:37:34.060 INFO kablam!  --> src/list.rs:9:1
Sep 20 01:37:34.060 INFO kablam!   |
Sep 20 01:37:34.060 INFO kablam! 9 | #[macro_escape]
Sep 20 01:37:34.060 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 20 01:37:34.060 INFO kablam!   |
Sep 20 01:37:34.060 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 20 01:37:34.060 INFO kablam! 
Sep 20 01:37:34.060 INFO kablam! warning: unused attribute
Sep 20 01:37:34.060 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 20 01:37:34.060 INFO kablam!    |
Sep 20 01:37:34.060 INFO kablam! 11 | #[macro_escape]
Sep 20 01:37:34.060 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 20 01:37:34.060 INFO kablam! 
Sep 20 01:37:34.353 INFO kablam! warning: unused attribute
Sep 20 01:37:34.353 INFO kablam!  --> src/list.rs:9:1
Sep 20 01:37:34.353 INFO kablam!   |
Sep 20 01:37:34.353 INFO kablam! 9 | #[macro_escape]
Sep 20 01:37:34.353 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 20 01:37:34.353 INFO kablam! 
Sep 20 01:37:34.353 INFO kablam! warning: unused attribute
Sep 20 01:37:34.353 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 20 01:37:34.353 INFO kablam!    |
Sep 20 01:37:34.353 INFO kablam! 11 | #[macro_escape]
Sep 20 01:37:34.353 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 20 01:37:34.353 INFO kablam! 
Sep 20 01:37:34.368 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Sep 20 01:37:34.370 INFO kablam! su: No module specific data is present
Sep 20 01:37:35.039 INFO running `"docker" "rm" "-f" "b62776e0feedd5fc291688ed6eb1cca4d0dc0f77aa51ab269887b1162b69ff30"`
Sep 20 01:37:35.124 INFO blam! b62776e0feedd5fc291688ed6eb1cca4d0dc0f77aa51ab269887b1162b69ff30