[INFO] cloning repository https://github.com/ctroy978/octo-solitair
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctroy978/octo-solitair" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctroy978%2Focto-solitair", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctroy978%2Focto-solitair'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f45ec5ebec4ee903bdb7f4b704d8730c420f310
[INFO] checking ctroy978/octo-solitair against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctroy978%2Focto-solitair" "/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/ctroy978/octo-solitair on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ctroy978/octo-solitair
[INFO] finished tweaking git repo https://github.com/ctroy978/octo-solitair
[INFO] tweaked toml for git repo https://github.com/ctroy978/octo-solitair written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ctroy978/octo-solitair already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5811308cf6e2b4c4e398cd3d7da0dd89fcabad7b9758c7ab94e710b0f3457d87
[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" "5811308cf6e2b4c4e398cd3d7da0dd89fcabad7b9758c7ab94e710b0f3457d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5811308cf6e2b4c4e398cd3d7da0dd89fcabad7b9758c7ab94e710b0f3457d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5811308cf6e2b4c4e398cd3d7da0dd89fcabad7b9758c7ab94e710b0f3457d87", kill_on_drop: false }`
[INFO] [stdout] 5811308cf6e2b4c4e398cd3d7da0dd89fcabad7b9758c7ab94e710b0f3457d87
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6334b53a065ad92e7c22be1993ce5810acf67530deff5f83a23ad5ea2820b55d
[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" "6334b53a065ad92e7c22be1993ce5810acf67530deff5f83a23ad5ea2820b55d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking cards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_greater`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn is_greater(&self, other: &Card) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_equal`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn is_equal(&self, other: &Card) -> bool{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_rank`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get_rank(&self) -> u8{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_greater`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn is_greater(&self, other: &Card) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_equal`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn is_equal(&self, other: &Card) -> bool{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_rank`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get_rank(&self) -> u8{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "6334b53a065ad92e7c22be1993ce5810acf67530deff5f83a23ad5ea2820b55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6334b53a065ad92e7c22be1993ce5810acf67530deff5f83a23ad5ea2820b55d", kill_on_drop: false }`
[INFO] [stdout] 6334b53a065ad92e7c22be1993ce5810acf67530deff5f83a23ad5ea2820b55d