[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] checking mlex121/rusty-flop against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlex121%2Frusty-flop" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlex121/rusty-flop on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-3/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a849d67e8567f70794c493c68decea4ee165d1ce0bf1d35fb37f4755c07e2c89
[INFO] running `Command { std: "docker" "start" "-a" "a849d67e8567f70794c493c68decea4ee165d1ce0bf1d35fb37f4755c07e2c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a849d67e8567f70794c493c68decea4ee165d1ce0bf1d35fb37f4755c07e2c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a849d67e8567f70794c493c68decea4ee165d1ce0bf1d35fb37f4755c07e2c89", kill_on_drop: false }`
[INFO] [stdout] a849d67e8567f70794c493c68decea4ee165d1ce0bf1d35fb37f4755c07e2c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c40133499e42aa27117e6d0c18ab1f9221ddf1a7b5b546a4f98e10dcc36bcb
[INFO] running `Command { std: "docker" "start" "-a" "28c40133499e42aa27117e6d0c18ab1f9221ddf1a7b5b546a4f98e10dcc36bcb", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] [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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28c40133499e42aa27117e6d0c18ab1f9221ddf1a7b5b546a4f98e10dcc36bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c40133499e42aa27117e6d0c18ab1f9221ddf1a7b5b546a4f98e10dcc36bcb", kill_on_drop: false }`
[INFO] [stdout] 28c40133499e42aa27117e6d0c18ab1f9221ddf1a7b5b546a4f98e10dcc36bcb