[INFO] updating cached repository https://github.com/mlex121/rusty-flop
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e183fc8c33366826bef31755566069a0a6203d57
[INFO] checking mlex121/rusty-flop against master#9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7 for pr-64564
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlex121%2Frusty-flop" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlex121/rusty-flop on toolchain 9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/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 `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 406bd0aba90f5fd4d23914faaa4bae3413a80b93b10cf0578b8a309361d5a9a9
[INFO] running `"docker" "start" "-a" "406bd0aba90f5fd4d23914faaa4bae3413a80b93b10cf0578b8a309361d5a9a9"`
[INFO] [stderr]     Checking rusty-flop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `is_high_card`
[INFO] [stderr]   --> src/poker/hand.rs:10:5
[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: method is never used: `is_pair`
[INFO] [stderr]   --> src/poker/hand.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn is_pair(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_two_pair`
[INFO] [stderr]   --> src/poker/hand.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn is_two_pair(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_three_of_a_kind`
[INFO] [stderr]   --> src/poker/hand.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn is_three_of_a_kind(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_straight`
[INFO] [stderr]   --> src/poker/hand.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn is_straight(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_flush`
[INFO] [stderr]   --> src/poker/hand.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn is_flush(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_full_house`
[INFO] [stderr]   --> src/poker/hand.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn is_full_house(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_four_of_a_kind`
[INFO] [stderr]   --> src/poker/hand.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn is_four_of_a_kind(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_straight_flush`
[INFO] [stderr]   --> src/poker/hand.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn is_straight_flush(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_high_card`
[INFO] [stderr]   --> src/poker/hand.rs:10:5
[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: method is never used: `is_pair`
[INFO] [stderr]   --> src/poker/hand.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn is_pair(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_two_pair`
[INFO] [stderr]   --> src/poker/hand.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn is_two_pair(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_three_of_a_kind`
[INFO] [stderr]   --> src/poker/hand.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn is_three_of_a_kind(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_straight`
[INFO] [stderr]   --> src/poker/hand.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn is_straight(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_flush`
[INFO] [stderr]   --> src/poker/hand.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn is_flush(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_full_house`
[INFO] [stderr]   --> src/poker/hand.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn is_full_house(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_four_of_a_kind`
[INFO] [stderr]   --> src/poker/hand.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn is_four_of_a_kind(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_straight_flush`
[INFO] [stderr]   --> src/poker/hand.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn is_straight_flush(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "406bd0aba90f5fd4d23914faaa4bae3413a80b93b10cf0578b8a309361d5a9a9"`
[INFO] running `"docker" "rm" "-f" "406bd0aba90f5fd4d23914faaa4bae3413a80b93b10cf0578b8a309361d5a9a9"`
[INFO] [stdout] 406bd0aba90f5fd4d23914faaa4bae3413a80b93b10cf0578b8a309361d5a9a9