Sep 01 00:26:33.813 INFO checking immutable-0.1.1 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Sep 01 00:26:33.813 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Sep 01 00:26:33.813 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 00:26:33.994 INFO blam! 81fea89e9b548a91b1afea2297a19ace7af4021f915bd3730a757a678b58b46a
Sep 01 00:26:33.997 INFO running `"docker" "start" "-a" "81fea89e9b548a91b1afea2297a19ace7af4021f915bd3730a757a678b58b46a"`
Sep 01 00:26:34.844 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Sep 01 00:26:35.268 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 01 00:26:35.268 INFO kablam!  --> src/list.rs:7:5
Sep 01 00:26:35.268 INFO kablam!   |
Sep 01 00:26:35.268 INFO kablam! 7 | use std::vec::IntoIter;
Sep 01 00:26:35.268 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 01 00:26:35.268 INFO kablam!   |
Sep 01 00:26:35.268 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 00:26:35.268 INFO kablam! 
Sep 01 00:26:35.503 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 01 00:26:35.503 INFO kablam!  --> src/list.rs:7:5
Sep 01 00:26:35.503 INFO kablam!   |
Sep 01 00:26:35.503 INFO kablam! 7 | use std::vec::IntoIter;
Sep 01 00:26:35.503 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 01 00:26:35.503 INFO kablam!   |
Sep 01 00:26:35.503 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 00:26:35.503 INFO kablam! 
Sep 01 00:26:35.626 INFO kablam! warning: unused attribute
Sep 01 00:26:35.626 INFO kablam!  --> src/list.rs:9:1
Sep 01 00:26:35.626 INFO kablam!   |
Sep 01 00:26:35.627 INFO kablam! 9 | #[macro_escape]
Sep 01 00:26:35.627 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 01 00:26:35.627 INFO kablam!   |
Sep 01 00:26:35.627 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 01 00:26:35.627 INFO kablam! 
Sep 01 00:26:35.627 INFO kablam! warning: unused attribute
Sep 01 00:26:35.627 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 01 00:26:35.627 INFO kablam!    |
Sep 01 00:26:35.627 INFO kablam! 11 | #[macro_escape]
Sep 01 00:26:35.627 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 01 00:26:35.627 INFO kablam! 
Sep 01 00:26:36.153 INFO kablam! warning: unused attribute
Sep 01 00:26:36.153 INFO kablam!  --> src/list.rs:9:1
Sep 01 00:26:36.153 INFO kablam!   |
Sep 01 00:26:36.153 INFO kablam! 9 | #[macro_escape]
Sep 01 00:26:36.153 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 01 00:26:36.153 INFO kablam!   |
Sep 01 00:26:36.153 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 01 00:26:36.153 INFO kablam! 
Sep 01 00:26:36.153 INFO kablam! warning: unused attribute
Sep 01 00:26:36.153 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 01 00:26:36.153 INFO kablam!    |
Sep 01 00:26:36.153 INFO kablam! 11 | #[macro_escape]
Sep 01 00:26:36.153 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 01 00:26:36.153 INFO kablam! 
Sep 01 00:26:36.171 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Sep 01 00:26:36.173 INFO kablam! su: No module specific data is present
Sep 01 00:26:36.576 INFO running `"docker" "rm" "-f" "81fea89e9b548a91b1afea2297a19ace7af4021f915bd3730a757a678b58b46a"`
Sep 01 00:26:36.674 INFO blam! 81fea89e9b548a91b1afea2297a19ace7af4021f915bd3730a757a678b58b46a