Jul 12 06:35:53.309 INFO checking immutable-0.1.1 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 06:35:53.309 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 06:35:53.309 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 06:35:53.309 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-1/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 06:35:53.550 INFO blam! 395d4bc4af428350d89495d8889dfd353928b46cc3d7f426eba19eb8c1a43ea3
Jul 12 06:35:53.553 INFO running `"docker" "start" "-a" "395d4bc4af428350d89495d8889dfd353928b46cc3d7f426eba19eb8c1a43ea3"`
Jul 12 06:35:54.471 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Jul 12 06:35:54.885 INFO kablam! warning: unused import: `std::vec::IntoIter`
Jul 12 06:35:54.885 INFO kablam!  --> src/list.rs:7:5
Jul 12 06:35:54.885 INFO kablam!   |
Jul 12 06:35:54.885 INFO kablam! 7 | use std::vec::IntoIter;
Jul 12 06:35:54.885 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Jul 12 06:35:54.886 INFO kablam!   |
Jul 12 06:35:54.886 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 06:35:54.887 INFO kablam! 
Jul 12 06:35:55.294 INFO kablam! warning: unused import: `std::vec::IntoIter`
Jul 12 06:35:55.294 INFO kablam!  --> src/list.rs:7:5
Jul 12 06:35:55.294 INFO kablam!   |
Jul 12 06:35:55.294 INFO kablam! 7 | use std::vec::IntoIter;
Jul 12 06:35:55.295 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Jul 12 06:35:55.295 INFO kablam!   |
Jul 12 06:35:55.295 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 06:35:55.295 INFO kablam! 
Jul 12 06:35:55.615 INFO kablam! warning: unused attribute
Jul 12 06:35:55.615 INFO kablam!  --> src/list.rs:9:1
Jul 12 06:35:55.615 INFO kablam!   |
Jul 12 06:35:55.615 INFO kablam! 9 | #[macro_escape]
Jul 12 06:35:55.615 INFO kablam!   | ^^^^^^^^^^^^^^^
Jul 12 06:35:55.615 INFO kablam!   |
Jul 12 06:35:55.615 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Jul 12 06:35:55.615 INFO kablam! 
Jul 12 06:35:55.616 INFO kablam! warning: unused attribute
Jul 12 06:35:55.616 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Jul 12 06:35:55.616 INFO kablam!    |
Jul 12 06:35:55.616 INFO kablam! 11 | #[macro_escape]
Jul 12 06:35:55.616 INFO kablam!    | ^^^^^^^^^^^^^^^
Jul 12 06:35:55.616 INFO kablam! 
Jul 12 06:35:56.214 INFO kablam! warning: unused attribute
Jul 12 06:35:56.214 INFO kablam!  --> src/list.rs:9:1
Jul 12 06:35:56.214 INFO kablam!   |
Jul 12 06:35:56.214 INFO kablam! 9 | #[macro_escape]
Jul 12 06:35:56.214 INFO kablam!   | ^^^^^^^^^^^^^^^
Jul 12 06:35:56.214 INFO kablam!   |
Jul 12 06:35:56.214 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Jul 12 06:35:56.214 INFO kablam! 
Jul 12 06:35:56.214 INFO kablam! warning: unused attribute
Jul 12 06:35:56.214 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Jul 12 06:35:56.214 INFO kablam!    |
Jul 12 06:35:56.214 INFO kablam! 11 | #[macro_escape]
Jul 12 06:35:56.214 INFO kablam!    | ^^^^^^^^^^^^^^^
Jul 12 06:35:56.214 INFO kablam! 
Jul 12 06:35:56.249 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
Jul 12 06:35:56.251 INFO kablam! su: No module specific data is present
Jul 12 06:35:56.854 INFO running `"docker" "rm" "-f" "395d4bc4af428350d89495d8889dfd353928b46cc3d7f426eba19eb8c1a43ea3"`
Jul 12 06:35:57.008 INFO blam! 395d4bc4af428350d89495d8889dfd353928b46cc3d7f426eba19eb8c1a43ea3