Oct 13 17:27:12.137 INFO checking byteorder-1.2.6 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 17:27:12.139 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 13 17:27:12.416 INFO blam! 2883f6fd4a34df366640831ef4da54b2401f9ad25f219ae12a73a923bc4bb4a6
Oct 13 17:27:12.428 INFO running `"docker" "start" "-a" "2883f6fd4a34df366640831ef4da54b2401f9ad25f219ae12a73a923bc4bb4a6"`
Oct 13 17:27:13.188 INFO kablam! usermod: no changes
Oct 13 17:27:13.240 INFO kablam!     Checking byteorder v1.2.6 (/source)
Oct 13 17:27:15.980 INFO kablam! warning: unused import: `Rng`
Oct 13 17:27:15.980 INFO kablam!     --> src/lib.rs:2309:22
Oct 13 17:27:15.980 INFO kablam!      |
Oct 13 17:27:15.980 INFO kablam! 2309 |     use self::rand::{Rng, thread_rng};
Oct 13 17:27:15.980 INFO kablam!      |                      ^^^
Oct 13 17:27:15.980 INFO kablam!      |
Oct 13 17:27:15.980 INFO kablam!      = note: #[warn(unused_imports)] on by default
Oct 13 17:27:15.980 INFO kablam! 
Oct 13 17:27:17.796 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
Oct 13 17:27:17.796 INFO kablam! su: No module specific data is present
Oct 13 17:27:18.920 INFO running `"docker" "rm" "-f" "2883f6fd4a34df366640831ef4da54b2401f9ad25f219ae12a73a923bc4bb4a6"`
Oct 13 17:27:19.165 INFO blam! 2883f6fd4a34df366640831ef4da54b2401f9ad25f219ae12a73a923bc4bb4a6