Oct 12 11:31:10.539 INFO checking underflowed/text-adventure-game-in-rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 11:31:10.539 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 11:31:10.926 INFO blam! bffe73a6b9b729b188e90ae5c8134d22b8f3c2f6b886e7e2ed6c24ff057bf70f
Oct 12 11:31:10.928 INFO running `"docker" "start" "-a" "bffe73a6b9b729b188e90ae5c8134d22b8f3c2f6b886e7e2ed6c24ff057bf70f"`
Oct 12 11:31:12.522 INFO kablam! usermod: no changes
Oct 12 11:31:12.572 INFO kablam!     Checking text_adventure v0.1.0 (/source)
Oct 12 11:31:13.007 INFO kablam! warning: method is never used: `to_string`
Oct 12 11:31:13.008 INFO kablam!   --> src/main.rs:43:5
Oct 12 11:31:13.009 INFO kablam!    |
Oct 12 11:31:13.009 INFO kablam! 43 |     fn to_string(&self) -> &str {
Oct 12 11:31:13.010 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:31:13.010 INFO kablam!    |
Oct 12 11:31:13.011 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 11:31:13.011 INFO kablam! 
Oct 12 11:31:13.011 INFO kablam! warning: variant is never constructed: `MoveUp`
Oct 12 11:31:13.011 INFO kablam!   --> src/main.rs:58:5
Oct 12 11:31:13.012 INFO kablam!    |
Oct 12 11:31:13.012 INFO kablam! 58 |     MoveUp,
Oct 12 11:31:13.012 INFO kablam!    |     ^^^^^^
Oct 12 11:31:13.013 INFO kablam! 
Oct 12 11:31:13.013 INFO kablam! warning: variant is never constructed: `MoveDown`
Oct 12 11:31:13.013 INFO kablam!   --> src/main.rs:60:5
Oct 12 11:31:13.013 INFO kablam!    |
Oct 12 11:31:13.014 INFO kablam! 60 |     MoveDown,
Oct 12 11:31:13.014 INFO kablam!    |     ^^^^^^^^
Oct 12 11:31:13.014 INFO kablam! 
Oct 12 11:31:13.061 INFO kablam! warning: method is never used: `to_string`
Oct 12 11:31:13.062 INFO kablam!   --> src/main.rs:43:5
Oct 12 11:31:13.062 INFO kablam!    |
Oct 12 11:31:13.063 INFO kablam! 43 |     fn to_string(&self) -> &str {
Oct 12 11:31:13.063 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:31:13.064 INFO kablam!    |
Oct 12 11:31:13.064 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 11:31:13.064 INFO kablam! 
Oct 12 11:31:13.064 INFO kablam! warning: variant is never constructed: `MoveUp`
Oct 12 11:31:13.065 INFO kablam!   --> src/main.rs:58:5
Oct 12 11:31:13.065 INFO kablam!    |
Oct 12 11:31:13.065 INFO kablam! 58 |     MoveUp,
Oct 12 11:31:13.065 INFO kablam!    |     ^^^^^^
Oct 12 11:31:13.066 INFO kablam! 
Oct 12 11:31:13.066 INFO kablam! warning: variant is never constructed: `MoveDown`
Oct 12 11:31:13.066 INFO kablam!   --> src/main.rs:60:5
Oct 12 11:31:13.066 INFO kablam!    |
Oct 12 11:31:13.067 INFO kablam! 60 |     MoveDown,
Oct 12 11:31:13.067 INFO kablam!    |     ^^^^^^^^
Oct 12 11:31:13.067 INFO kablam! 
Oct 12 11:31:13.102 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Oct 12 11:31:13.108 INFO kablam! su: No module specific data is present
Oct 12 11:31:13.806 INFO running `"docker" "rm" "-f" "bffe73a6b9b729b188e90ae5c8134d22b8f3c2f6b886e7e2ed6c24ff057bf70f"`
Oct 12 11:31:14.181 INFO blam! bffe73a6b9b729b188e90ae5c8134d22b8f3c2f6b886e7e2ed6c24ff057bf70f