Oct 12 23:28:32.965 INFO checking cohama/pfds against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 23:28:32.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 23:28:33.545 INFO blam! bfd083480b973ed8dce08eda971f59df1580f0b772c4b25333e42887b0e77c2a
Oct 12 23:28:33.547 INFO running `"docker" "start" "-a" "bfd083480b973ed8dce08eda971f59df1580f0b772c4b25333e42887b0e77c2a"`
Oct 12 23:28:35.381 INFO kablam! usermod: no changes
Oct 12 23:28:35.500 INFO kablam!     Checking stopwatch v0.0.7
Oct 12 23:28:36.462 INFO kablam!     Checking pfds v0.1.0 (/source)
Oct 12 23:28:38.568 INFO kablam! warning: method is never used: `rlbalance`
Oct 12 23:28:38.568 INFO kablam!    --> src/impls/redblacktree.rs:169:5
Oct 12 23:28:38.568 INFO kablam!     |
Oct 12 23:28:38.568 INFO kablam! 169 |     fn rlbalance(color: Color, left: &Rc<RedBlackTree<T>>, val: &T, right: &Rc<RedBlackTree<T>>) -> RedBlackTree<T> {
Oct 12 23:28:38.568 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:28:38.580 INFO kablam!     |
Oct 12 23:28:38.581 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 23:28:38.581 INFO kablam! 
Oct 12 23:28:39.018 INFO kablam! warning: method is never used: `rlbalance`
Oct 12 23:28:39.019 INFO kablam!    --> src/impls/redblacktree.rs:169:5
Oct 12 23:28:39.020 INFO kablam!     |
Oct 12 23:28:39.020 INFO kablam! 169 |     fn rlbalance(color: Color, left: &Rc<RedBlackTree<T>>, val: &T, right: &Rc<RedBlackTree<T>>) -> RedBlackTree<T> {
Oct 12 23:28:39.021 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:28:39.021 INFO kablam!     |
Oct 12 23:28:39.022 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 23:28:39.022 INFO kablam! 
Oct 12 23:28:40.177 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.73s
Oct 12 23:28:40.182 INFO kablam! su: No module specific data is present
Oct 12 23:28:41.094 INFO running `"docker" "rm" "-f" "bfd083480b973ed8dce08eda971f59df1580f0b772c4b25333e42887b0e77c2a"`
Oct 12 23:28:41.365 INFO blam! bfd083480b973ed8dce08eda971f59df1580f0b772c4b25333e42887b0e77c2a