[INFO] cloning repository https://github.com/JakeAndrus/rust-yahtzee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JakeAndrus/rust-yahtzee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeAndrus%2Frust-yahtzee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeAndrus%2Frust-yahtzee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d68015c4840cd8faddd0d9e36f98dd31c2a7918b
[INFO] checking JakeAndrus/rust-yahtzee against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeAndrus%2Frust-yahtzee" "/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/JakeAndrus/rust-yahtzee on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JakeAndrus/rust-yahtzee
[INFO] finished tweaking git repo https://github.com/JakeAndrus/rust-yahtzee
[INFO] tweaked toml for git repo https://github.com/JakeAndrus/rust-yahtzee written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/JakeAndrus/rust-yahtzee already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", 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] 45ef22478a2ef928ae84d9ab62bc25ac4914a9f9144128b62a050a52757017fd
[INFO] running `Command { std: "docker" "start" "-a" "45ef22478a2ef928ae84d9ab62bc25ac4914a9f9144128b62a050a52757017fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45ef22478a2ef928ae84d9ab62bc25ac4914a9f9144128b62a050a52757017fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ef22478a2ef928ae84d9ab62bc25ac4914a9f9144128b62a050a52757017fd", kill_on_drop: false }`
[INFO] [stdout] 45ef22478a2ef928ae84d9ab62bc25ac4914a9f9144128b62a050a52757017fd
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df84d7cc2de56eac8f5f33fc9dda9d679f0100a00a1f967bd1bac02bc5df55ef
[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" "df84d7cc2de56eac8f5f33fc9dda9d679f0100a00a1f967bd1bac02bc5df55ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking yahtzee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `turn`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         for turn in 0..2 {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_turn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_value`
[INFO] [stdout]   --> src/dice_object.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn get_value(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turn`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         for turn in 0..2 {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_turn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_value`
[INFO] [stdout]   --> src/dice_object.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn get_value(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 5.21s
[INFO] running `Command { std: "docker" "inspect" "df84d7cc2de56eac8f5f33fc9dda9d679f0100a00a1f967bd1bac02bc5df55ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df84d7cc2de56eac8f5f33fc9dda9d679f0100a00a1f967bd1bac02bc5df55ef", kill_on_drop: false }`
[INFO] [stdout] df84d7cc2de56eac8f5f33fc9dda9d679f0100a00a1f967bd1bac02bc5df55ef