[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#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjkg%2Frust_rl_tutorial" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjkg/rust_rl_tutorial on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tcod v0.15.0
[INFO] [stderr]   Downloaded tcod-sys v5.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6ac7f8485429d9d81c1ef97647a743d990e219ccce1fc580ce8da0dcc471332
[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" "b6ac7f8485429d9d81c1ef97647a743d990e219ccce1fc580ce8da0dcc471332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ac7f8485429d9d81c1ef97647a743d990e219ccce1fc580ce8da0dcc471332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ac7f8485429d9d81c1ef97647a743d990e219ccce1fc580ce8da0dcc471332", kill_on_drop: false }`
[INFO] [stdout] b6ac7f8485429d9d81c1ef97647a743d990e219ccce1fc580ce8da0dcc471332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41f642e6af4f6f766a88244eb81a3c09e767a1e6da85e648bcb6c7dc66815e68
[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" "41f642e6af4f6f766a88244eb81a3c09e767a1e6da85e648bcb6c7dc66815e68", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[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: 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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.46s
[INFO] running `Command { std: "docker" "inspect" "41f642e6af4f6f766a88244eb81a3c09e767a1e6da85e648bcb6c7dc66815e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f642e6af4f6f766a88244eb81a3c09e767a1e6da85e648bcb6c7dc66815e68", kill_on_drop: false }`
[INFO] [stdout] 41f642e6af4f6f766a88244eb81a3c09e767a1e6da85e648bcb6c7dc66815e68