Nov 03 03:32:56.201 INFO checking rbtree-0.1.5 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 03:32:56.201 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-2/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 03:32:56.630 INFO blam! 8b285104410c1c7a3e02ebd43d2e43874f650d0f2d12759ba9f0c72df8d12909
Nov 03 03:32:56.633 INFO running `"docker" "start" "-a" "8b285104410c1c7a3e02ebd43d2e43874f650d0f2d12759ba9f0c72df8d12909"`
Nov 03 03:32:58.151 INFO kablam! usermod: no changes
Nov 03 03:32:58.253 INFO kablam!     Checking rbtree v0.1.5 (/source)
Nov 03 03:32:59.500 INFO kablam! warning: unused import: `super::RBTree`
Nov 03 03:32:59.501 INFO kablam!     --> src/lib.rs:1404:9
Nov 03 03:32:59.501 INFO kablam!      |
Nov 03 03:32:59.501 INFO kablam! 1404 |     use super::RBTree;
Nov 03 03:32:59.501 INFO kablam!      |         ^^^^^^^^^^^^^
Nov 03 03:32:59.502 INFO kablam!      |
Nov 03 03:32:59.502 INFO kablam!      = note: #[warn(unused_imports)] on by default
Nov 03 03:32:59.502 INFO kablam! 
Nov 03 03:33:01.527 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
Nov 03 03:33:01.530 INFO kablam! su: No module specific data is present
Nov 03 03:33:02.538 INFO running `"docker" "rm" "-f" "8b285104410c1c7a3e02ebd43d2e43874f650d0f2d12759ba9f0c72df8d12909"`
Nov 03 03:33:02.757 INFO blam! 8b285104410c1c7a3e02ebd43d2e43874f650d0f2d12759ba9f0c72df8d12909