Nov 04 19:14:39.199 INFO checking rbtree-0.1.5 against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 19:14:39.199 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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"`
Nov 04 19:14:39.730 INFO blam! d54426cd81bf399bbda3ce07b9dab7e587607740672502e6a5936ca607b16027
Nov 04 19:14:39.732 INFO running `"docker" "start" "-a" "d54426cd81bf399bbda3ce07b9dab7e587607740672502e6a5936ca607b16027"`
Nov 04 19:14:41.383 INFO kablam! usermod: no changes
Nov 04 19:14:41.475 INFO kablam!     Checking rbtree v0.1.5 (/source)
Nov 04 19:14:42.627 INFO kablam! warning: unused import: `super::RBTree`
Nov 04 19:14:42.627 INFO kablam!     --> src/lib.rs:1404:9
Nov 04 19:14:42.627 INFO kablam!      |
Nov 04 19:14:42.628 INFO kablam! 1404 |     use super::RBTree;
Nov 04 19:14:42.628 INFO kablam!      |         ^^^^^^^^^^^^^
Nov 04 19:14:42.628 INFO kablam!      |
Nov 04 19:14:42.628 INFO kablam!      = note: #[warn(unused_imports)] on by default
Nov 04 19:14:42.628 INFO kablam! 
Nov 04 19:14:43.976 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
Nov 04 19:14:43.976 INFO kablam! su: No module specific data is present
Nov 04 19:14:44.578 INFO running `"docker" "rm" "-f" "d54426cd81bf399bbda3ce07b9dab7e587607740672502e6a5936ca607b16027"`
Nov 04 19:14:44.871 INFO blam! d54426cd81bf399bbda3ce07b9dab7e587607740672502e6a5936ca607b16027