[INFO] cloning repository https://github.com/underflowed/text-adventure-game-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/underflowed/text-adventure-game-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funderflowed%2Ftext-adventure-game-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funderflowed%2Ftext-adventure-game-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0afa8bdac61ae836161d39fc76c84f5d39f73549
[INFO] checking underflowed/text-adventure-game-in-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funderflowed%2Ftext-adventure-game-in-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/underflowed/text-adventure-game-in-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/underflowed/text-adventure-game-in-rust
[INFO] finished tweaking git repo https://github.com/underflowed/text-adventure-game-in-rust
[INFO] tweaked toml for git repo https://github.com/underflowed/text-adventure-game-in-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/underflowed/text-adventure-game-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f79ebfaf73d13d880c3fbcb69b55714d82c533b620ce327112f1bf1a6c29206
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f79ebfaf73d13d880c3fbcb69b55714d82c533b620ce327112f1bf1a6c29206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f79ebfaf73d13d880c3fbcb69b55714d82c533b620ce327112f1bf1a6c29206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f79ebfaf73d13d880c3fbcb69b55714d82c533b620ce327112f1bf1a6c29206", kill_on_drop: false }`
[INFO] [stdout] 8f79ebfaf73d13d880c3fbcb69b55714d82c533b620ce327112f1bf1a6c29206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5122606227c97e1648288c727e8742fb3ec3d091517390cc183ed56602903e2d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5122606227c97e1648288c727e8742fb3ec3d091517390cc183ed56602903e2d", kill_on_drop: false }`
[INFO] [stderr]     Checking text_adventure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:208:37
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut map: Vec<Vec<Option<Box<Room>>>> = vec![
[INFO] [stdout]     |                                     ^^^^ help: use `dyn`: `dyn Room`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:208:37
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut map: Vec<Vec<Option<Box<Room>>>> = vec![
[INFO] [stdout]     |                                     ^^^^ help: use `dyn`: `dyn Room`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `visitedHash` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     visitedHash: HashSet<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `visited_hash`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `visitedHash` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     visitedHash: HashSet<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `visited_hash`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "5122606227c97e1648288c727e8742fb3ec3d091517390cc183ed56602903e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5122606227c97e1648288c727e8742fb3ec3d091517390cc183ed56602903e2d", kill_on_drop: false }`
[INFO] [stdout] 5122606227c97e1648288c727e8742fb3ec3d091517390cc183ed56602903e2d