[INFO] cloning repository https://github.com/roSievers/kabo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roSievers/kabo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FroSievers%2Fkabo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FroSievers%2Fkabo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82fc3a79ff7124989ec53c09ba02097283bc90bd
[INFO] checking roSievers/kabo against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FroSievers%2Fkabo" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roSievers/kabo on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/roSievers/kabo
[INFO] finished tweaking git repo https://github.com/roSievers/kabo
[INFO] tweaked toml for git repo https://github.com/roSievers/kabo written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/roSievers/kabo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 127a65b74fa8f694ebd5fc25dbd83c5961c025273539a888db9018f29f8be7a4
[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" "127a65b74fa8f694ebd5fc25dbd83c5961c025273539a888db9018f29f8be7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "127a65b74fa8f694ebd5fc25dbd83c5961c025273539a888db9018f29f8be7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127a65b74fa8f694ebd5fc25dbd83c5961c025273539a888db9018f29f8be7a4", kill_on_drop: false }`
[INFO] [stdout] 127a65b74fa8f694ebd5fc25dbd83c5961c025273539a888db9018f29f8be7a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--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] 9b76a2fa4f11a5e187257d9525f34d198c944d88d5a818f776808c6f09409431
[INFO] running `Command { std: "docker" "start" "-a" "9b76a2fa4f11a5e187257d9525f34d198c944d88d5a818f776808c6f09409431", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking kabo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `player_index`
[INFO] [stdout]    --> src/game.rs:260:37
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn multi_replace(&mut self, player_index: u8, card_indices: Vec<u8>) -> Status {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player_index`
[INFO] [stdout]    --> src/game.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn peek(&mut self, player_index: u8, card_index: u8) -> Status {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_index`
[INFO] [stdout]    --> src/game.rs:266:46
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn peek(&mut self, player_index: u8, card_index: u8) -> Status {
[INFO] [stdout]     |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player_index`
[INFO] [stdout]    --> src/game.rs:260:37
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn multi_replace(&mut self, player_index: u8, card_indices: Vec<u8>) -> Status {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player_index`
[INFO] [stdout]    --> src/game.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn peek(&mut self, player_index: u8, card_index: u8) -> Status {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_index`
[INFO] [stdout]    --> src/game.rs:266:46
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn peek(&mut self, player_index: u8, card_index: u8) -> Status {
[INFO] [stdout]     |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Seen`
[INFO] [stdout]    --> src/game.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 | /     Seen {
[INFO] [stdout] 172 | |         player_index: u8,
[INFO] [stdout] 173 | |         card_index: u8,
[INFO] [stdout] 174 | |         card: Card,
[INFO] [stdout] 175 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Seen`
[INFO] [stdout]    --> src/game.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 | /     Seen {
[INFO] [stdout] 172 | |         player_index: u8,
[INFO] [stdout] 173 | |         card_index: u8,
[INFO] [stdout] 174 | |         card: Card,
[INFO] [stdout] 175 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "9b76a2fa4f11a5e187257d9525f34d198c944d88d5a818f776808c6f09409431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b76a2fa4f11a5e187257d9525f34d198c944d88d5a818f776808c6f09409431", kill_on_drop: false }`
[INFO] [stdout] 9b76a2fa4f11a5e187257d9525f34d198c944d88d5a818f776808c6f09409431