Oct 22 02:16:06.313 INFO checking immutable-0.1.1 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 22 02:16:06.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-4/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 22 02:16:06.560 INFO blam! 762bf232d37f9f1c0956065a14ee2f1a390cc92e7687d0638ec7260f9f672ef2
Oct 22 02:16:06.561 INFO running `"docker" "start" "-a" "762bf232d37f9f1c0956065a14ee2f1a390cc92e7687d0638ec7260f9f672ef2"`
Oct 22 02:16:07.116 INFO kablam! usermod: no changes
Oct 22 02:16:07.151 INFO kablam!     Checking immutable v0.1.1 (/source)
Oct 22 02:16:07.640 INFO kablam! warning: unused import: `std::vec::IntoIter`
Oct 22 02:16:07.640 INFO kablam!  --> src/list.rs:7:5
Oct 22 02:16:07.640 INFO kablam!   |
Oct 22 02:16:07.640 INFO kablam! 7 | use std::vec::IntoIter;
Oct 22 02:16:07.640 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 22 02:16:07.640 INFO kablam!   |
Oct 22 02:16:07.640 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 22 02:16:07.640 INFO kablam! 
Oct 22 02:16:07.829 INFO kablam! warning: unused import: `std::vec::IntoIter`
Oct 22 02:16:07.829 INFO kablam!  --> src/list.rs:7:5
Oct 22 02:16:07.829 INFO kablam!   |
Oct 22 02:16:07.829 INFO kablam! 7 | use std::vec::IntoIter;
Oct 22 02:16:07.829 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 22 02:16:07.829 INFO kablam!   |
Oct 22 02:16:07.829 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 22 02:16:07.829 INFO kablam! 
Oct 22 02:16:07.837 INFO kablam! warning: unused attribute
Oct 22 02:16:07.837 INFO kablam!  --> src/list.rs:9:1
Oct 22 02:16:07.837 INFO kablam!   |
Oct 22 02:16:07.837 INFO kablam! 9 | #[macro_escape]
Oct 22 02:16:07.837 INFO kablam!   | ^^^^^^^^^^^^^^^
Oct 22 02:16:07.837 INFO kablam!   |
Oct 22 02:16:07.837 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Oct 22 02:16:07.837 INFO kablam! 
Oct 22 02:16:07.837 INFO kablam! warning: unused attribute
Oct 22 02:16:07.837 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Oct 22 02:16:07.837 INFO kablam!    |
Oct 22 02:16:07.837 INFO kablam! 11 | #[macro_escape]
Oct 22 02:16:07.837 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 22 02:16:07.837 INFO kablam! 
Oct 22 02:16:08.099 INFO kablam! warning: unused attribute
Oct 22 02:16:08.099 INFO kablam!  --> src/list.rs:9:1
Oct 22 02:16:08.099 INFO kablam!   |
Oct 22 02:16:08.099 INFO kablam! 9 | #[macro_escape]
Oct 22 02:16:08.099 INFO kablam!   | ^^^^^^^^^^^^^^^
Oct 22 02:16:08.099 INFO kablam!   |
Oct 22 02:16:08.099 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Oct 22 02:16:08.099 INFO kablam! 
Oct 22 02:16:08.099 INFO kablam! warning: unused attribute
Oct 22 02:16:08.099 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Oct 22 02:16:08.099 INFO kablam!    |
Oct 22 02:16:08.099 INFO kablam! 11 | #[macro_escape]
Oct 22 02:16:08.099 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 22 02:16:08.099 INFO kablam! 
Oct 22 02:16:08.118 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Oct 22 02:16:08.120 INFO kablam! su: No module specific data is present
Oct 22 02:16:08.544 INFO running `"docker" "rm" "-f" "762bf232d37f9f1c0956065a14ee2f1a390cc92e7687d0638ec7260f9f672ef2"`
Oct 22 02:16:08.682 INFO blam! 762bf232d37f9f1c0956065a14ee2f1a390cc92e7687d0638ec7260f9f672ef2