[INFO] cloning repository https://github.com/cjkg/rust_rl_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjkg/rust_rl_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjkg%2Frust_rl_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjkg%2Frust_rl_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b3427b51d5f1d6c2a067d48dcf5f510d8628031
[INFO] checking cjkg/rust_rl_tutorial against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjkg%2Frust_rl_tutorial" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjkg/rust_rl_tutorial on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cjkg/rust_rl_tutorial
[INFO] finished tweaking git repo https://github.com/cjkg/rust_rl_tutorial
[INFO] tweaked toml for git repo https://github.com/cjkg/rust_rl_tutorial written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cjkg/rust_rl_tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed1cbbdd5fd8d40c6971be811785681178cc3a9b1e6eabf852184ed01ee4c858
[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" "ed1cbbdd5fd8d40c6971be811785681178cc3a9b1e6eabf852184ed01ee4c858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed1cbbdd5fd8d40c6971be811785681178cc3a9b1e6eabf852184ed01ee4c858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed1cbbdd5fd8d40c6971be811785681178cc3a9b1e6eabf852184ed01ee4c858", kill_on_drop: false }`
[INFO] [stdout] ed1cbbdd5fd8d40c6971be811785681178cc3a9b1e6eabf852184ed01ee4c858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ebc1a1326d5f41b735038c5f52dbd63c7b19fe57b117e6c3a7cd9c3646d14c7
[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" "1ebc1a1326d5f41b735038c5f52dbd63c7b19fe57b117e6c3a7cd9c3646d14c7", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tcod v0.15.0
[INFO] [stderr]     Checking zona_rl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let mut monster = if rand::random::<f32>() < 0.8 {  // 80% chance of getting an orc
[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: constant is never used: `BLACK`
[INFO] [stdout]   --> src/main.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | const BLACK: Color = Color { r: 0, g: 0, b: 0 };
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pos`
[INFO] [stdout]    --> src/main.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn pos(&self) -> (i32, i32) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let mut monster = if rand::random::<f32>() < 0.8 {  // 80% chance of getting an orc
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK`
[INFO] [stdout]   --> src/main.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | const BLACK: Color = Color { r: 0, g: 0, b: 0 };
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pos`
[INFO] [stdout]    --> src/main.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn pos(&self) -> (i32, i32) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.51s
[INFO] running `Command { std: "docker" "inspect" "1ebc1a1326d5f41b735038c5f52dbd63c7b19fe57b117e6c3a7cd9c3646d14c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebc1a1326d5f41b735038c5f52dbd63c7b19fe57b117e6c3a7cd9c3646d14c7", kill_on_drop: false }`
[INFO] [stdout] 1ebc1a1326d5f41b735038c5f52dbd63c7b19fe57b117e6c3a7cd9c3646d14c7