[INFO] cloning repository https://github.com/arzx/highscore_tracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arzx/highscore_tracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzx%2Fhighscore_tracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzx%2Fhighscore_tracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f1dadf1d9bcef2cb18810253742d9e986c20ab1
[INFO] testing arzx/highscore_tracker against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzx%2Fhighscore_tracker" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arzx/highscore_tracker on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arzx/highscore_tracker
[INFO] finished tweaking git repo https://github.com/arzx/highscore_tracker
[INFO] tweaked toml for git repo https://github.com/arzx/highscore_tracker written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/arzx/highscore_tracker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-04-10" "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] e130926efb404d543baf2fb7f790e2338bc906d7d13ab0f1c6b5d15ae72d0010
[INFO] running `Command { std: "docker" "start" "-a" "e130926efb404d543baf2fb7f790e2338bc906d7d13ab0f1c6b5d15ae72d0010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e130926efb404d543baf2fb7f790e2338bc906d7d13ab0f1c6b5d15ae72d0010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e130926efb404d543baf2fb7f790e2338bc906d7d13ab0f1c6b5d15ae72d0010", kill_on_drop: false }`
[INFO] [stdout] e130926efb404d543baf2fb7f790e2338bc906d7d13ab0f1c6b5d15ae72d0010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-04-10" "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] 3dc5e5b4dd4409c070d43402d24a1b6efc46ce8ddbfe53dfaae0c3b81eed26ea
[INFO] running `Command { std: "docker" "start" "-a" "3dc5e5b4dd4409c070d43402d24a1b6efc46ce8ddbfe53dfaae0c3b81eed26ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling highscore_tracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/main.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn scores_data_write(string: &str) -> i32{
[INFO] [stdout]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[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 1.96s
[INFO] running `Command { std: "docker" "inspect" "3dc5e5b4dd4409c070d43402d24a1b6efc46ce8ddbfe53dfaae0c3b81eed26ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc5e5b4dd4409c070d43402d24a1b6efc46ce8ddbfe53dfaae0c3b81eed26ea", kill_on_drop: false }`
[INFO] [stdout] 3dc5e5b4dd4409c070d43402d24a1b6efc46ce8ddbfe53dfaae0c3b81eed26ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] fd6e713eee50bf2eb5dadb9a259bf1ecfff3fa4e3505844bb67058e52083dfff
[INFO] running `Command { std: "docker" "start" "-a" "fd6e713eee50bf2eb5dadb9a259bf1ecfff3fa4e3505844bb67058e52083dfff", kill_on_drop: false }`
[INFO] [stderr]    Compiling highscore_tracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/main.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn scores_data_write(string: &str) -> i32{
[INFO] [stdout]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[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 1.02s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/highscore_tracker-a273cdd62f41f8cc)
[INFO] running `Command { std: "docker" "inspect" "fd6e713eee50bf2eb5dadb9a259bf1ecfff3fa4e3505844bb67058e52083dfff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6e713eee50bf2eb5dadb9a259bf1ecfff3fa4e3505844bb67058e52083dfff", kill_on_drop: false }`
[INFO] [stdout] fd6e713eee50bf2eb5dadb9a259bf1ecfff3fa4e3505844bb67058e52083dfff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-04-10" "test" "--frozen", 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] 98cf8bc112de2d3f57232456aeb64faf13f86a252928d60e5b9029539e2e1e32
[INFO] running `Command { std: "docker" "start" "-a" "98cf8bc112de2d3f57232456aeb64faf13f86a252928d60e5b9029539e2e1e32", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:66:22
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 66 | fn scores_data_write(string: &str) -> i32{
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `highscore_tracker` (bin "highscore_tracker" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/highscore_tracker-a273cdd62f41f8cc)
[INFO] running `Command { std: "docker" "inspect" "98cf8bc112de2d3f57232456aeb64faf13f86a252928d60e5b9029539e2e1e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98cf8bc112de2d3f57232456aeb64faf13f86a252928d60e5b9029539e2e1e32", kill_on_drop: false }`
[INFO] [stdout] 98cf8bc112de2d3f57232456aeb64faf13f86a252928d60e5b9029539e2e1e32