[INFO] cloning repository https://github.com/mlex121/rusty-flop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlex121/rusty-flop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlex121%2Frusty-flop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlex121%2Frusty-flop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e183fc8c33366826bef31755566069a0a6203d57
[INFO] testing mlex121/rusty-flop against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlex121%2Frusty-flop" "/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/mlex121/rusty-flop on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mlex121/rusty-flop
[INFO] finished tweaking git repo https://github.com/mlex121/rusty-flop
[INFO] tweaked toml for git repo https://github.com/mlex121/rusty-flop written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mlex121/rusty-flop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 492ff3e3d016dcdf3c2766960b3c6c29177e7e881b1286bb24dac1a2c5905cd3
[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" "492ff3e3d016dcdf3c2766960b3c6c29177e7e881b1286bb24dac1a2c5905cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "492ff3e3d016dcdf3c2766960b3c6c29177e7e881b1286bb24dac1a2c5905cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492ff3e3d016dcdf3c2766960b3c6c29177e7e881b1286bb24dac1a2c5905cd3", kill_on_drop: false }`
[INFO] [stdout] 492ff3e3d016dcdf3c2766960b3c6c29177e7e881b1286bb24dac1a2c5905cd3
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] d6aacec21eb0b70c0ace2fda74f7f4973a254fecb5fd0e755093dc90cd4c62bd
[INFO] running `Command { std: "docker" "start" "-a" "d6aacec21eb0b70c0ace2fda74f7f4973a254fecb5fd0e755093dc90cd4c62bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-flop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_high_card`
[INFO] [stdout]   --> src/poker/hand.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn is_high_card(&self) -> bool {
[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: `is_pair`
[INFO] [stdout]   --> src/poker/hand.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn is_pair(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_two_pair`
[INFO] [stdout]   --> src/poker/hand.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn is_two_pair(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_three_of_a_kind`
[INFO] [stdout]   --> src/poker/hand.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_three_of_a_kind(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_straight`
[INFO] [stdout]   --> src/poker/hand.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn is_straight(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_flush`
[INFO] [stdout]   --> src/poker/hand.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn is_flush(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_full_house`
[INFO] [stdout]   --> src/poker/hand.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn is_full_house(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_four_of_a_kind`
[INFO] [stdout]   --> src/poker/hand.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn is_four_of_a_kind(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_straight_flush`
[INFO] [stdout]   --> src/poker/hand.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn is_straight_flush(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "d6aacec21eb0b70c0ace2fda74f7f4973a254fecb5fd0e755093dc90cd4c62bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6aacec21eb0b70c0ace2fda74f7f4973a254fecb5fd0e755093dc90cd4c62bd", kill_on_drop: false }`
[INFO] [stdout] d6aacec21eb0b70c0ace2fda74f7f4973a254fecb5fd0e755093dc90cd4c62bd
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 008dc02d51916f84bf59913b4d0c7e286bfc7c005367768f980bfe3178375ea6
[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" "008dc02d51916f84bf59913b4d0c7e286bfc7c005367768f980bfe3178375ea6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty-flop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_high_card`
[INFO] [stdout]   --> src/poker/hand.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn is_high_card(&self) -> bool {
[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: `is_pair`
[INFO] [stdout]   --> src/poker/hand.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn is_pair(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_two_pair`
[INFO] [stdout]   --> src/poker/hand.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn is_two_pair(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_three_of_a_kind`
[INFO] [stdout]   --> src/poker/hand.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_three_of_a_kind(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_straight`
[INFO] [stdout]   --> src/poker/hand.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn is_straight(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_flush`
[INFO] [stdout]   --> src/poker/hand.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn is_flush(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_full_house`
[INFO] [stdout]   --> src/poker/hand.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn is_full_house(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_four_of_a_kind`
[INFO] [stdout]   --> src/poker/hand.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn is_four_of_a_kind(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_straight_flush`
[INFO] [stdout]   --> src/poker/hand.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn is_straight_flush(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "008dc02d51916f84bf59913b4d0c7e286bfc7c005367768f980bfe3178375ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008dc02d51916f84bf59913b4d0c7e286bfc7c005367768f980bfe3178375ea6", kill_on_drop: false }`
[INFO] [stdout] 008dc02d51916f84bf59913b4d0c7e286bfc7c005367768f980bfe3178375ea6
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 908b97c73432413fc07dac03cfd8fb7f102b57c83bbfabc554b4cc6f7518029f
[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" "908b97c73432413fc07dac03cfd8fb7f102b57c83bbfabc554b4cc6f7518029f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `is_high_card`
[INFO] [stderr]   --> src/poker/hand.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn is_high_card(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_pair`
[INFO] [stderr]   --> src/poker/hand.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn is_pair(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_two_pair`
[INFO] [stderr]   --> src/poker/hand.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn is_two_pair(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_three_of_a_kind`
[INFO] [stderr]   --> src/poker/hand.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn is_three_of_a_kind(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_straight`
[INFO] [stderr]   --> src/poker/hand.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn is_straight(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_flush`
[INFO] [stderr]   --> src/poker/hand.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn is_flush(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_full_house`
[INFO] [stderr]   --> src/poker/hand.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn is_full_house(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_four_of_a_kind`
[INFO] [stderr]   --> src/poker/hand.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn is_four_of_a_kind(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_straight_flush`
[INFO] [stderr]   --> src/poker/hand.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn is_straight_flush(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-flop` (bin "rusty-flop" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_flop-fb009f830fcf20f8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "908b97c73432413fc07dac03cfd8fb7f102b57c83bbfabc554b4cc6f7518029f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908b97c73432413fc07dac03cfd8fb7f102b57c83bbfabc554b4cc6f7518029f", kill_on_drop: false }`
[INFO] [stdout] 908b97c73432413fc07dac03cfd8fb7f102b57c83bbfabc554b4cc6f7518029f