Nov 29 15:48:43.827 INFO checking underflowed/text-adventure-game-in-rust against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 15:48:43.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 15:48:44.406 INFO [stdout] b3a89d76d29c7d7ed97d114afcd0cffe4d9e4861ffbf3a84ef3d2205f2cc3a5b
Nov 29 15:48:44.412 INFO running `"docker" "start" "-a" "b3a89d76d29c7d7ed97d114afcd0cffe4d9e4861ffbf3a84ef3d2205f2cc3a5b"`
Nov 29 15:48:45.268 INFO [stderr] usermod: no changes
Nov 29 15:48:45.316 INFO [stderr]     Checking text_adventure v0.1.0 (/source)
Nov 29 15:48:45.592 INFO [stderr] warning: method is never used: `to_string`
Nov 29 15:48:45.592 INFO [stderr]   --> src/main.rs:43:5
Nov 29 15:48:45.592 INFO [stderr]    |
Nov 29 15:48:45.592 INFO [stderr] 43 |     fn to_string(&self) -> &str {
Nov 29 15:48:45.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:48:45.592 INFO [stderr]    |
Nov 29 15:48:45.592 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 15:48:45.592 INFO [stderr] 
Nov 29 15:48:45.592 INFO [stderr] warning: variant is never constructed: `MoveUp`
Nov 29 15:48:45.592 INFO [stderr]   --> src/main.rs:58:5
Nov 29 15:48:45.592 INFO [stderr]    |
Nov 29 15:48:45.592 INFO [stderr] 58 |     MoveUp,
Nov 29 15:48:45.592 INFO [stderr]    |     ^^^^^^
Nov 29 15:48:45.592 INFO [stderr] 
Nov 29 15:48:45.592 INFO [stderr] warning: variant is never constructed: `MoveDown`
Nov 29 15:48:45.592 INFO [stderr]   --> src/main.rs:60:5
Nov 29 15:48:45.592 INFO [stderr]    |
Nov 29 15:48:45.592 INFO [stderr] 60 |     MoveDown,
Nov 29 15:48:45.592 INFO [stderr]    |     ^^^^^^^^
Nov 29 15:48:45.592 INFO [stderr] 
Nov 29 15:48:45.600 INFO [stderr] warning: method is never used: `to_string`
Nov 29 15:48:45.600 INFO [stderr]   --> src/main.rs:43:5
Nov 29 15:48:45.600 INFO [stderr]    |
Nov 29 15:48:45.600 INFO [stderr] 43 |     fn to_string(&self) -> &str {
Nov 29 15:48:45.600 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:48:45.600 INFO [stderr]    |
Nov 29 15:48:45.600 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 15:48:45.600 INFO [stderr] 
Nov 29 15:48:45.600 INFO [stderr] warning: variant is never constructed: `MoveUp`
Nov 29 15:48:45.600 INFO [stderr]   --> src/main.rs:58:5
Nov 29 15:48:45.600 INFO [stderr]    |
Nov 29 15:48:45.600 INFO [stderr] 58 |     MoveUp,
Nov 29 15:48:45.600 INFO [stderr]    |     ^^^^^^
Nov 29 15:48:45.600 INFO [stderr] 
Nov 29 15:48:45.600 INFO [stderr] warning: variant is never constructed: `MoveDown`
Nov 29 15:48:45.600 INFO [stderr]   --> src/main.rs:60:5
Nov 29 15:48:45.600 INFO [stderr]    |
Nov 29 15:48:45.600 INFO [stderr] 60 |     MoveDown,
Nov 29 15:48:45.600 INFO [stderr]    |     ^^^^^^^^
Nov 29 15:48:45.600 INFO [stderr] 
Nov 29 15:48:45.628 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Nov 29 15:48:45.632 INFO [stderr] su: No module specific data is present
Nov 29 15:48:46.018 INFO running `"docker" "inspect" "b3a89d76d29c7d7ed97d114afcd0cffe4d9e4861ffbf3a84ef3d2205f2cc3a5b"`
Nov 29 15:48:46.149 INFO running `"docker" "rm" "-f" "b3a89d76d29c7d7ed97d114afcd0cffe4d9e4861ffbf3a84ef3d2205f2cc3a5b"`
Nov 29 15:48:46.339 INFO [stdout] b3a89d76d29c7d7ed97d114afcd0cffe4d9e4861ffbf3a84ef3d2205f2cc3a5b