[INFO] cloning repository https://github.com/carribus/roulette_logic_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carribus/roulette_logic_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarribus%2Froulette_logic_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarribus%2Froulette_logic_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c4295ff4faef266728d5436f15f69a4d53b62f0
[INFO] checking carribus/roulette_logic_rs against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarribus%2Froulette_logic_rs" "/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/carribus/roulette_logic_rs on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carribus/roulette_logic_rs
[INFO] finished tweaking git repo https://github.com/carribus/roulette_logic_rs
[INFO] tweaked toml for git repo https://github.com/carribus/roulette_logic_rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/carribus/roulette_logic_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] a91a53b6e9c5c8f1913efe5326f240546f6cb45d92afb6d4ef0bc9e10e755e86
[INFO] running `Command { std: "docker" "start" "-a" "a91a53b6e9c5c8f1913efe5326f240546f6cb45d92afb6d4ef0bc9e10e755e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a91a53b6e9c5c8f1913efe5326f240546f6cb45d92afb6d4ef0bc9e10e755e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91a53b6e9c5c8f1913efe5326f240546f6cb45d92afb6d4ef0bc9e10e755e86", kill_on_drop: false }`
[INFO] [stdout] a91a53b6e9c5c8f1913efe5326f240546f6cb45d92afb6d4ef0bc9e10e755e86
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a60c22de77cd43b30fd78b463b2946ba88be71578dcf95956a88d1377cde4a7f
[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" "a60c22de77cd43b30fd78b463b2946ba88be71578dcf95956a88d1377cde4a7f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking roulette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `MaxBetOnOption`
[INFO] [stdout]  --> src/roulette.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     MaxBetOnOption(RouletteBet, u64),
[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: `history`
[INFO] [stdout]    --> src/roulette.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn history(&self) -> &[u8] {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MaxBetOnOption`
[INFO] [stdout]  --> src/roulette.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     MaxBetOnOption(RouletteBet, u64),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "a60c22de77cd43b30fd78b463b2946ba88be71578dcf95956a88d1377cde4a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a60c22de77cd43b30fd78b463b2946ba88be71578dcf95956a88d1377cde4a7f", kill_on_drop: false }`
[INFO] [stdout] a60c22de77cd43b30fd78b463b2946ba88be71578dcf95956a88d1377cde4a7f