[INFO] cloning repository https://github.com/ymc182/rust-blackjack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymc182/rust-blackjack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymc182%2Frust-blackjack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymc182%2Frust-blackjack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b0826b916529491ae96bf59c7fd02c3a76a9db2
[INFO] testing ymc182/rust-blackjack against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymc182%2Frust-blackjack" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ymc182/rust-blackjack on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ymc182/rust-blackjack
[INFO] finished tweaking git repo https://github.com/ymc182/rust-blackjack
[INFO] tweaked toml for git repo https://github.com/ymc182/rust-blackjack written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ymc182/rust-blackjack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd4e94b35cd3cc23adff1859b652e23eb0d396b3b69f45a2f32d96f30cb456f4
[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" "bd4e94b35cd3cc23adff1859b652e23eb0d396b3b69f45a2f32d96f30cb456f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd4e94b35cd3cc23adff1859b652e23eb0d396b3b69f45a2f32d96f30cb456f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4e94b35cd3cc23adff1859b652e23eb0d396b3b69f45a2f32d96f30cb456f4", kill_on_drop: false }`
[INFO] [stdout] bd4e94b35cd3cc23adff1859b652e23eb0d396b3b69f45a2f32d96f30cb456f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 8390396b4cb54c586c430e2c7dfb9b947fd58ea1e6805a61d35228936844560f
[INFO] running `Command { std: "docker" "start" "-a" "8390396b4cb54c586c430e2c7dfb9b947fd58ea1e6805a61d35228936844560f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling blackjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:185:29
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...                   player => {}
[INFO] [stdout]     |                       ------ matches any value
[INFO] [stdout] 185 | ...                   _ => {}
[INFO] [stdout]     |                       ^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ok`
[INFO] [stdout]    --> src/main.rs:181:20
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 Ok(ok) => {
[INFO] [stdout]     |                    ^^ help: if this is intentional, prefix it with an underscore: `_ok`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]    --> src/main.rs:184:29
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...                   player => {}
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.28s
[INFO] running `Command { std: "docker" "inspect" "8390396b4cb54c586c430e2c7dfb9b947fd58ea1e6805a61d35228936844560f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8390396b4cb54c586c430e2c7dfb9b947fd58ea1e6805a61d35228936844560f", kill_on_drop: false }`
[INFO] [stdout] 8390396b4cb54c586c430e2c7dfb9b947fd58ea1e6805a61d35228936844560f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e493c62861078ebac3ae48c7b74fe0225e1ba5f13fc1419c9ea15234d24dcb11
[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" "e493c62861078ebac3ae48c7b74fe0225e1ba5f13fc1419c9ea15234d24dcb11", kill_on_drop: false }`
[INFO] [stderr]    Compiling blackjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:185:29
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...                   player => {}
[INFO] [stdout]     |                       ------ matches any value
[INFO] [stdout] 185 | ...                   _ => {}
[INFO] [stdout]     |                       ^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ok`
[INFO] [stdout]    --> src/main.rs:181:20
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 Ok(ok) => {
[INFO] [stdout]     |                    ^^ help: if this is intentional, prefix it with an underscore: `_ok`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]    --> src/main.rs:184:29
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...                   player => {}
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "e493c62861078ebac3ae48c7b74fe0225e1ba5f13fc1419c9ea15234d24dcb11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e493c62861078ebac3ae48c7b74fe0225e1ba5f13fc1419c9ea15234d24dcb11", kill_on_drop: false }`
[INFO] [stdout] e493c62861078ebac3ae48c7b74fe0225e1ba5f13fc1419c9ea15234d24dcb11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5172fb7e5d74fcb89a01ebe3712ca9de1edafb2b7c3e4edfb80f984d28ff0cc9
[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" "5172fb7e5d74fcb89a01ebe3712ca9de1edafb2b7c3e4edfb80f984d28ff0cc9", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:185:29
[INFO] [stderr]     |
[INFO] [stderr] 184 | ...                   player => {}
[INFO] [stderr]     |                       ------ matches any value
[INFO] [stderr] 185 | ...                   _ => {}
[INFO] [stderr]     |                       ^ unreachable pattern
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ok`
[INFO] [stderr]    --> src/main.rs:181:20
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 Ok(ok) => {
[INFO] [stderr]     |                    ^^ help: if this is intentional, prefix it with an underscore: `_ok`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `player`
[INFO] [stderr]    --> src/main.rs:184:29
[INFO] [stderr]     |
[INFO] [stderr] 184 | ...                   player => {}
[INFO] [stderr]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stderr] 
[INFO] [stderr] warning: `blackjack` (bin "blackjack" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blackjack-f575066f57ce7281)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5172fb7e5d74fcb89a01ebe3712ca9de1edafb2b7c3e4edfb80f984d28ff0cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5172fb7e5d74fcb89a01ebe3712ca9de1edafb2b7c3e4edfb80f984d28ff0cc9", kill_on_drop: false }`
[INFO] [stdout] 5172fb7e5d74fcb89a01ebe3712ca9de1edafb2b7c3e4edfb80f984d28ff0cc9