[INFO] cloning repository https://github.com/domtom1126/blackjack_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domtom1126/blackjack_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomtom1126%2Fblackjack_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomtom1126%2Fblackjack_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00cc4bec6dd9cd2983914e80bd81bd09cc5e90e0
[INFO] testing domtom1126/blackjack_rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomtom1126%2Fblackjack_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/domtom1126/blackjack_rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/domtom1126/blackjack_rust
[INFO] finished tweaking git repo https://github.com/domtom1126/blackjack_rust
[INFO] tweaked toml for git repo https://github.com/domtom1126/blackjack_rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/domtom1126/blackjack_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77c2261d0c091dfe89ba06d3aca4fd287bca6994fc5c7e42483a2b2eada6b975
[INFO] running `Command { std: "docker" "start" "-a" "77c2261d0c091dfe89ba06d3aca4fd287bca6994fc5c7e42483a2b2eada6b975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77c2261d0c091dfe89ba06d3aca4fd287bca6994fc5c7e42483a2b2eada6b975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c2261d0c091dfe89ba06d3aca4fd287bca6994fc5c7e42483a2b2eada6b975", kill_on_drop: false }`
[INFO] [stdout] 77c2261d0c091dfe89ba06d3aca4fd287bca6994fc5c7e42483a2b2eada6b975
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6a0e6202db1cb2cb7c4c1bcf013c1ba3a6254e5a44cd88ad22a3460d6ec6aaf
[INFO] running `Command { std: "docker" "start" "-a" "f6a0e6202db1cb2cb7c4c1bcf013c1ba3a6254e5a44cd88ad22a3460d6ec6aaf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling blackjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `user_cards`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let user_cards = (cards.0, cards.9);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_cards`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.56s
[INFO] running `Command { std: "docker" "inspect" "f6a0e6202db1cb2cb7c4c1bcf013c1ba3a6254e5a44cd88ad22a3460d6ec6aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a0e6202db1cb2cb7c4c1bcf013c1ba3a6254e5a44cd88ad22a3460d6ec6aaf", kill_on_drop: false }`
[INFO] [stdout] f6a0e6202db1cb2cb7c4c1bcf013c1ba3a6254e5a44cd88ad22a3460d6ec6aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2be3ba2e00cf7ff956faec17db7adb241f45164be112146105f18c284cc7f580
[INFO] running `Command { std: "docker" "start" "-a" "2be3ba2e00cf7ff956faec17db7adb241f45164be112146105f18c284cc7f580", kill_on_drop: false }`
[INFO] [stderr]    Compiling blackjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `user_cards`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let user_cards = (cards.0, cards.9);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_cards`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "2be3ba2e00cf7ff956faec17db7adb241f45164be112146105f18c284cc7f580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be3ba2e00cf7ff956faec17db7adb241f45164be112146105f18c284cc7f580", kill_on_drop: false }`
[INFO] [stdout] 2be3ba2e00cf7ff956faec17db7adb241f45164be112146105f18c284cc7f580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02f079aff2db9e70e3b4f916c7fee2e6ae54d60a5b8945fc1617871774eed2de
[INFO] running `Command { std: "docker" "start" "-a" "02f079aff2db9e70e3b4f916c7fee2e6ae54d60a5b8945fc1617871774eed2de", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `user_cards`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let user_cards = (cards.0, cards.9);
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_cards`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blackjack-3fce8254100746b0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02f079aff2db9e70e3b4f916c7fee2e6ae54d60a5b8945fc1617871774eed2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f079aff2db9e70e3b4f916c7fee2e6ae54d60a5b8945fc1617871774eed2de", kill_on_drop: false }`
[INFO] [stdout] 02f079aff2db9e70e3b4f916c7fee2e6ae54d60a5b8945fc1617871774eed2de