Oct 12 18:44:24.922 INFO checking krahul84/ConnectFour against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:44:24.924 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 12 18:44:25.392 INFO blam! 2b6c95bd1ca61c97308eded2478140101207f1406099112744624e7c4fd1a77c
Oct 12 18:44:25.401 INFO running `"docker" "start" "-a" "2b6c95bd1ca61c97308eded2478140101207f1406099112744624e7c4fd1a77c"`
Oct 12 18:44:26.785 INFO kablam! usermod: no changes
Oct 12 18:44:26.908 INFO kablam!     Checking ConnectFour v0.1.0 (/source)
Oct 12 18:44:27.600 INFO kablam! warning: crate `ConnectFour` should have a snake case name such as `connect_four`
Oct 12 18:44:27.600 INFO kablam!   |
Oct 12 18:44:27.600 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 12 18:44:27.600 INFO kablam! 
Oct 12 18:44:27.644 INFO kablam! warning: crate `ConnectFour` should have a snake case name such as `connect_four`
Oct 12 18:44:27.644 INFO kablam!   |
Oct 12 18:44:27.644 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 12 18:44:27.644 INFO kablam! 
Oct 12 18:44:27.673 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Oct 12 18:44:27.674 INFO kablam! su: No module specific data is present
Oct 12 18:44:28.974 INFO running `"docker" "rm" "-f" "2b6c95bd1ca61c97308eded2478140101207f1406099112744624e7c4fd1a77c"`
Oct 12 18:44:29.268 INFO blam! 2b6c95bd1ca61c97308eded2478140101207f1406099112744624e7c4fd1a77c