[INFO] updating cached repository https://github.com/PhilipeLouchtch/rust-cardgame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c1b247a78fe575615156ce98d0327a0cf2c922b
[INFO] checking PhilipeLouchtch/rust-cardgame against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipeLouchtch%2Frust-cardgame" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhilipeLouchtch/rust-cardgame on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PhilipeLouchtch/rust-cardgame
[INFO] finished tweaking git repo https://github.com/PhilipeLouchtch/rust-cardgame
[INFO] tweaked toml for git repo https://github.com/PhilipeLouchtch/rust-cardgame written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/PhilipeLouchtch/rust-cardgame already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47e1761a5375ad10cdc90f08366e18db42da08de4b7c526e5f0b41da6f664bff
[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" "47e1761a5375ad10cdc90f08366e18db42da08de4b7c526e5f0b41da6f664bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e1761a5375ad10cdc90f08366e18db42da08de4b7c526e5f0b41da6f664bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e1761a5375ad10cdc90f08366e18db42da08de4b7c526e5f0b41da6f664bff", kill_on_drop: false }`
[INFO] [stdout] 47e1761a5375ad10cdc90f08366e18db42da08de4b7c526e5f0b41da6f664bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05931422ce387fc022ba9367d5894eb18764237b9f784ab33227a2a43c372250
[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" "05931422ce387fc022ba9367d5894eb18764237b9f784ab33227a2a43c372250", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking macro-attr v0.2.1 (https://github.com/DanielKeep/rust-custom-derive#1252f258)
[INFO] [stderr]     Checking enum_derive v0.1.7 (https://github.com/DanielKeep/rust-custom-derive#1252f258)
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking cardgame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/gamelogic/carddeck.rs:16:54
[INFO] [stdout]    |
[INFO] [stdout] 16 |             for rank in card::Rank::iter_variants() {;
[INFO] [stdout]    |                                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/gamelogic/carddeck.rs:16:54
[INFO] [stdout]    |
[INFO] [stdout] 16 |             for rank in card::Rank::iter_variants() {;
[INFO] [stdout]    |                                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hero_hand`
[INFO] [stdout]  --> src/handdetermination.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn determine_winning_hand(hero_hand: Hand, villain_hand: Hand) -> WinningHand {
[INFO] [stdout]   |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hero_hand`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `villain_hand`
[INFO] [stdout]  --> src/handdetermination.rs:9:48
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn determine_winning_hand(hero_hand: Hand, villain_hand: Hand) -> WinningHand {
[INFO] [stdout]   |                                                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_villain_hand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reshuffle`
[INFO] [stdout]   --> src/gamelogic/carddeck.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn reshuffle(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hero`
[INFO] [stdout]  --> src/handdetermination.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Hero,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cardIndex` should have a snake case name
[INFO] [stdout]   --> src/gamelogic/hand.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn card(&mut self, cardIndex: usize) -> Card {
[INFO] [stdout]    |                            ^^^^^^^^^ help: convert the identifier to snake case: `card_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hero_hand`
[INFO] [stdout]  --> src/handdetermination.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn determine_winning_hand(hero_hand: Hand, villain_hand: Hand) -> WinningHand {
[INFO] [stdout]   |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hero_hand`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `villain_hand`
[INFO] [stdout]  --> src/handdetermination.rs:9:48
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn determine_winning_hand(hero_hand: Hand, villain_hand: Hand) -> WinningHand {
[INFO] [stdout]   |                                                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_villain_hand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reshuffle`
[INFO] [stdout]   --> src/gamelogic/carddeck.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn reshuffle(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hero`
[INFO] [stdout]  --> src/handdetermination.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Hero,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cardIndex` should have a snake case name
[INFO] [stdout]   --> src/gamelogic/hand.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn card(&mut self, cardIndex: usize) -> Card {
[INFO] [stdout]    |                            ^^^^^^^^^ help: convert the identifier to snake case: `card_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "05931422ce387fc022ba9367d5894eb18764237b9f784ab33227a2a43c372250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05931422ce387fc022ba9367d5894eb18764237b9f784ab33227a2a43c372250", kill_on_drop: false }`
[INFO] [stdout] 05931422ce387fc022ba9367d5894eb18764237b9f784ab33227a2a43c372250