[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 master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FroSievers%2Fkabo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roSievers/kabo 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/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-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 39fdcfdb124e57a2bd223e5437ee5805bf7b79511a2ed76fbd8cccfc69132408
[INFO] running `Command { std: "docker" "start" "-a" "39fdcfdb124e57a2bd223e5437ee5805bf7b79511a2ed76fbd8cccfc69132408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39fdcfdb124e57a2bd223e5437ee5805bf7b79511a2ed76fbd8cccfc69132408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fdcfdb124e57a2bd223e5437ee5805bf7b79511a2ed76fbd8cccfc69132408", kill_on_drop: false }`
[INFO] [stdout] 39fdcfdb124e57a2bd223e5437ee5805bf7b79511a2ed76fbd8cccfc69132408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5afd2e1d1867c0b0b6775403ddb11a236f2317e422ae4bef844b723406afd8c5
[INFO] running `Command { std: "docker" "start" "-a" "5afd2e1d1867c0b0b6775403ddb11a236f2317e422ae4bef844b723406afd8c5", 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: 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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "5afd2e1d1867c0b0b6775403ddb11a236f2317e422ae4bef844b723406afd8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5afd2e1d1867c0b0b6775403ddb11a236f2317e422ae4bef844b723406afd8c5", kill_on_drop: false }`
[INFO] [stdout] 5afd2e1d1867c0b0b6775403ddb11a236f2317e422ae4bef844b723406afd8c5