Nov 03 03:32:56.321 INFO checking rbtree-0.1.5 against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 03 03:32:56.321 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 03:32:56.832 INFO blam! a07fece4de1101fd027ec9181b4c5869f078e8feb0e786d057e4f253b292e995
Nov 03 03:32:56.835 INFO running `"docker" "start" "-a" "a07fece4de1101fd027ec9181b4c5869f078e8feb0e786d057e4f253b292e995"`
Nov 03 03:32:58.752 INFO kablam! usermod: no changes
Nov 03 03:32:58.797 INFO kablam!     Checking rbtree v0.1.5 (/source)
Nov 03 03:32:59.768 INFO kablam! warning: unused import: `super::RBTree`
Nov 03 03:32:59.768 INFO kablam!     --> src/lib.rs:1404:9
Nov 03 03:32:59.768 INFO kablam!      |
Nov 03 03:32:59.768 INFO kablam! 1404 |     use super::RBTree;
Nov 03 03:32:59.768 INFO kablam!      |         ^^^^^^^^^^^^^
Nov 03 03:32:59.770 INFO kablam!      |
Nov 03 03:32:59.770 INFO kablam!      = note: #[warn(unused_imports)] on by default
Nov 03 03:32:59.770 INFO kablam! 
Nov 03 03:33:01.717 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
Nov 03 03:33:01.742 INFO kablam! su: No module specific data is present
Nov 03 03:33:02.525 INFO running `"docker" "rm" "-f" "a07fece4de1101fd027ec9181b4c5869f078e8feb0e786d057e4f253b292e995"`
Nov 03 03:33:02.876 INFO blam! a07fece4de1101fd027ec9181b4c5869f078e8feb0e786d057e4f253b292e995