[INFO] cloning repository https://github.com/Ethan826/golf_tee_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ethan826/golf_tee_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan826%2Fgolf_tee_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan826%2Fgolf_tee_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 230873a63baa045fe142a5bacedac47945236911
[INFO] checking Ethan826/golf_tee_game against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan826%2Fgolf_tee_game" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ethan826/golf_tee_game on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ethan826/golf_tee_game
[INFO] finished tweaking git repo https://github.com/Ethan826/golf_tee_game
[INFO] tweaked toml for git repo https://github.com/Ethan826/golf_tee_game written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Ethan826/golf_tee_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9d2050db98e7b61982559b50e5de2f9436c21e5386787f04b8be8c9e6da3262
[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" "b9d2050db98e7b61982559b50e5de2f9436c21e5386787f04b8be8c9e6da3262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9d2050db98e7b61982559b50e5de2f9436c21e5386787f04b8be8c9e6da3262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d2050db98e7b61982559b50e5de2f9436c21e5386787f04b8be8c9e6da3262", kill_on_drop: false }`
[INFO] [stdout] b9d2050db98e7b61982559b50e5de2f9436c21e5386787f04b8be8c9e6da3262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 40d287329a47c0e2a30c1aa3efc7f1701d217dcb6685ac61283a9c6dab808073
[INFO] running `Command { std: "docker" "start" "-a" "40d287329a47c0e2a30c1aa3efc7f1701d217dcb6685ac61283a9c6dab808073", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking golf_tee_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game/game_state.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let mut state = GameState::new(vec![true, false, true]).unwrap();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game/game_state.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut state = GameState::new(vec![false, false, true]).unwrap();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game/game_state.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let mut state = GameState::new(vec![false, false, true]).unwrap();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.54s
[INFO] running `Command { std: "docker" "inspect" "40d287329a47c0e2a30c1aa3efc7f1701d217dcb6685ac61283a9c6dab808073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d287329a47c0e2a30c1aa3efc7f1701d217dcb6685ac61283a9c6dab808073", kill_on_drop: false }`
[INFO] [stdout] 40d287329a47c0e2a30c1aa3efc7f1701d217dcb6685ac61283a9c6dab808073