[INFO] cloning repository https://github.com/mikkolundgren/ray-poker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikkolundgren/ray-poker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikkolundgren%2Fray-poker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikkolundgren%2Fray-poker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0723f5e69b7f7598388ea0314994bb52846be11
[INFO] checking mikkolundgren/ray-poker against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikkolundgren%2Fray-poker" "/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/mikkolundgren/ray-poker on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikkolundgren/ray-poker
[INFO] finished tweaking git repo https://github.com/mikkolundgren/ray-poker
[INFO] tweaked toml for git repo https://github.com/mikkolundgren/ray-poker written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mikkolundgren/ray-poker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d3c13d6eb592205af5a3513891a7e4db9f43916bc4b1785952dc872676d46cd
[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" "0d3c13d6eb592205af5a3513891a7e4db9f43916bc4b1785952dc872676d46cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d3c13d6eb592205af5a3513891a7e4db9f43916bc4b1785952dc872676d46cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3c13d6eb592205af5a3513891a7e4db9f43916bc4b1785952dc872676d46cd", kill_on_drop: false }`
[INFO] [stdout] 0d3c13d6eb592205af5a3513891a7e4db9f43916bc4b1785952dc872676d46cd
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] f6a38b26b24540b9cbde8089ad6f050111d108caeb8166d06b40f51d3e298c77
[INFO] running `Command { std: "docker" "start" "-a" "f6a38b26b24540b9cbde8089ad6f050111d108caeb8166d06b40f51d3e298c77", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking ray_poker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     (is_straight(_hand) && is_flush(_hand))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_pair`
[INFO] [stdout]    --> src/main.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn is_pair(_hand: &Vec<Card>) -> bool {
[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: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     (is_straight(_hand) && is_flush(_hand))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` 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 5.23s
[INFO] running `Command { std: "docker" "inspect" "f6a38b26b24540b9cbde8089ad6f050111d108caeb8166d06b40f51d3e298c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a38b26b24540b9cbde8089ad6f050111d108caeb8166d06b40f51d3e298c77", kill_on_drop: false }`
[INFO] [stdout] f6a38b26b24540b9cbde8089ad6f050111d108caeb8166d06b40f51d3e298c77