[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] testing mikkolundgren/ray-poker against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikkolundgren%2Fray-poker" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikkolundgren/ray-poker on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.47
[INFO] [stderr]   Downloaded rand v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 274176a4581aeb8bd3e1b0c948de4e565cd2ebdd84617f4a19706ea88ec5c392
[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" "274176a4581aeb8bd3e1b0c948de4e565cd2ebdd84617f4a19706ea88ec5c392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "274176a4581aeb8bd3e1b0c948de4e565cd2ebdd84617f4a19706ea88ec5c392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274176a4581aeb8bd3e1b0c948de4e565cd2ebdd84617f4a19706ea88ec5c392", kill_on_drop: false }`
[INFO] [stdout] 274176a4581aeb8bd3e1b0c948de4e565cd2ebdd84617f4a19706ea88ec5c392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9e0533ccf8307c8ff4a0d5d41a3e17f60c8ecafcb21d4ae2eff3d205d2f2ca6
[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" "c9e0533ccf8307c8ff4a0d5d41a3e17f60c8ecafcb21d4ae2eff3d205d2f2ca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.5
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling 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]     |     ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 170 -     (is_straight(_hand) && is_flush(_hand))
[INFO] [stdout] 170 +     is_straight(_hand) && is_flush(_hand)
[INFO] [stdout]     | 
[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: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             &new_hand.push(c);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 227 |             let _ = &new_hand.push(c);
[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 3.39s
[INFO] running `Command { std: "docker" "inspect" "c9e0533ccf8307c8ff4a0d5d41a3e17f60c8ecafcb21d4ae2eff3d205d2f2ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e0533ccf8307c8ff4a0d5d41a3e17f60c8ecafcb21d4ae2eff3d205d2f2ca6", kill_on_drop: false }`
[INFO] [stdout] c9e0533ccf8307c8ff4a0d5d41a3e17f60c8ecafcb21d4ae2eff3d205d2f2ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd5665c89c5a556e2176f6ccf6e45466d93d99bed4ade0882b3bcd9b1f138938
[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" "bd5665c89c5a556e2176f6ccf6e45466d93d99bed4ade0882b3bcd9b1f138938", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]     |     ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 170 -     (is_straight(_hand) && is_flush(_hand))
[INFO] [stdout] 170 +     is_straight(_hand) && is_flush(_hand)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             &new_hand.push(c);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 227 |             let _ = &new_hand.push(c);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "bd5665c89c5a556e2176f6ccf6e45466d93d99bed4ade0882b3bcd9b1f138938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5665c89c5a556e2176f6ccf6e45466d93d99bed4ade0882b3bcd9b1f138938", kill_on_drop: false }`
[INFO] [stdout] bd5665c89c5a556e2176f6ccf6e45466d93d99bed4ade0882b3bcd9b1f138938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48021b640e79e4dab5429b8d49a7703f22e03e56ac639e5ff23806871e6c5a0b
[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" "48021b640e79e4dab5429b8d49a7703f22e03e56ac639e5ff23806871e6c5a0b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/main.rs:170:5
[INFO] [stdout] test tests::test_deal_cards ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::test_check_hand ... ok
[INFO] [stderr] 170 |     (is_straight(_hand) && is_flush(_hand))
[INFO] [stdout] 
[INFO] [stderr]     |     ^                                     ^
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 170 -     (is_straight(_hand) && is_flush(_hand))
[INFO] [stderr] 170 +     is_straight(_hand) && is_flush(_hand)
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/main.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |             &new_hand.push(c);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 227 |             let _ = &new_hand.push(c);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ray_poker` (bin "ray_poker" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ray_poker-6fc437f268d2506d)
[INFO] running `Command { std: "docker" "inspect" "48021b640e79e4dab5429b8d49a7703f22e03e56ac639e5ff23806871e6c5a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48021b640e79e4dab5429b8d49a7703f22e03e56ac639e5ff23806871e6c5a0b", kill_on_drop: false }`
[INFO] [stdout] 48021b640e79e4dab5429b8d49a7703f22e03e56ac639e5ff23806871e6c5a0b