[INFO] updating cached repository https://github.com/PhilipeLouchtch/rust-cardgame
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c1b247a78fe575615156ce98d0327a0cf2c922b
[INFO] checking PhilipeLouchtch/rust-cardgame against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipeLouchtch%2Frust-cardgame" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhilipeLouchtch/rust-cardgame on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/PhilipeLouchtch/rust-cardgame already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1177b7ce00c3543471e4a0734f72b1961be0102af7655aa31c1fa7ddc78c01e6
[INFO] running `"docker" "start" "-a" "1177b7ce00c3543471e4a0734f72b1961be0102af7655aa31c1fa7ddc78c01e6"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking enum_derive v0.1.7 (https://github.com/DanielKeep/rust-custom-derive#1252f258)
[INFO] [stderr]     Checking macro-attr v0.2.1 (https://github.com/DanielKeep/rust-custom-derive#1252f258)
[INFO] [stderr]     Checking cardgame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/gamelogic/carddeck.rs:16:54
[INFO] [stderr]    |
[INFO] [stderr] 16 |             for rank in card::Rank::iter_variants() {;
[INFO] [stderr]    |                                                      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/gamelogic/carddeck.rs:16:54
[INFO] [stderr]    |
[INFO] [stderr] 16 |             for rank in card::Rank::iter_variants() {;
[INFO] [stderr]    |                                                      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hero_hand`
[INFO] [stderr]  --> src/handdetermination.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn determine_winning_hand(hero_hand: Hand, villain_hand: Hand) -> WinningHand {
[INFO] [stderr]   |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hero_hand`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `villain_hand`
[INFO] [stderr]  --> src/handdetermination.rs:9:48
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn determine_winning_hand(hero_hand: Hand, villain_hand: Hand) -> WinningHand {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_villain_hand`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reshuffle`
[INFO] [stderr]   --> src/gamelogic/carddeck.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn reshuffle(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hero`
[INFO] [stderr]  --> src/handdetermination.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Hero,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hero_hand`
[INFO] [stderr]  --> src/handdetermination.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn determine_winning_hand(hero_hand: Hand, villain_hand: Hand) -> WinningHand {
[INFO] [stderr]   |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hero_hand`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `villain_hand`
[INFO] [stderr]  --> src/handdetermination.rs:9:48
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn determine_winning_hand(hero_hand: Hand, villain_hand: Hand) -> WinningHand {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_villain_hand`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cardIndex` should have a snake case name
[INFO] [stderr]   --> src/gamelogic/hand.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn card(&mut self, cardIndex: usize) -> Card {
[INFO] [stderr]    |                            ^^^^^^^^^ help: convert the identifier to snake case: `card_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reshuffle`
[INFO] [stderr]   --> src/gamelogic/carddeck.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn reshuffle(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hero`
[INFO] [stderr]  --> src/handdetermination.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Hero,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cardIndex` should have a snake case name
[INFO] [stderr]   --> src/gamelogic/hand.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn card(&mut self, cardIndex: usize) -> Card {
[INFO] [stderr]    |                            ^^^^^^^^^ help: convert the identifier to snake case: `card_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "1177b7ce00c3543471e4a0734f72b1961be0102af7655aa31c1fa7ddc78c01e6"`
[INFO] running `"docker" "rm" "-f" "1177b7ce00c3543471e4a0734f72b1961be0102af7655aa31c1fa7ddc78c01e6"`
[INFO] [stdout] 1177b7ce00c3543471e4a0734f72b1961be0102af7655aa31c1fa7ddc78c01e6