[INFO] cloning repository https://github.com/ihnmalik/crates_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ihnmalik/crates_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihnmalik%2Fcrates_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihnmalik%2Fcrates_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f16c13cc7f8467eb0cfa85602a1613e2d0e38b5d
[INFO] testing ihnmalik/crates_practice against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihnmalik%2Fcrates_practice" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ihnmalik/crates_practice on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ihnmalik/crates_practice
[INFO] finished tweaking git repo https://github.com/ihnmalik/crates_practice
[INFO] tweaked toml for git repo https://github.com/ihnmalik/crates_practice written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/ihnmalik/crates_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eda2ff9763c074b58f9ea692f8109251c16fa005081c7b0dd6ccbd3c782fd1cf
[INFO] running `Command { std: "docker" "start" "-a" "eda2ff9763c074b58f9ea692f8109251c16fa005081c7b0dd6ccbd3c782fd1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eda2ff9763c074b58f9ea692f8109251c16fa005081c7b0dd6ccbd3c782fd1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda2ff9763c074b58f9ea692f8109251c16fa005081c7b0dd6ccbd3c782fd1cf", kill_on_drop: false }`
[INFO] [stdout] eda2ff9763c074b58f9ea692f8109251c16fa005081c7b0dd6ccbd3c782fd1cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8681e97b80e2b77f1df172fe8d573408ad6ad17fc690bf44b28971740020b520
[INFO] running `Command { std: "docker" "start" "-a" "8681e97b80e2b77f1df172fe8d573408ad6ad17fc690bf44b28971740020b520", kill_on_drop: false }`
[INFO] [stderr]    Compiling online_class_4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "8681e97b80e2b77f1df172fe8d573408ad6ad17fc690bf44b28971740020b520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8681e97b80e2b77f1df172fe8d573408ad6ad17fc690bf44b28971740020b520", kill_on_drop: false }`
[INFO] [stdout] 8681e97b80e2b77f1df172fe8d573408ad6ad17fc690bf44b28971740020b520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 192de096c4e68008f2ca167f59b32ed24898eaa459a6a10605bb2da2d7312495
[INFO] running `Command { std: "docker" "start" "-a" "192de096c4e68008f2ca167f59b32ed24898eaa459a6a10605bb2da2d7312495", kill_on_drop: false }`
[INFO] [stderr]    Compiling online_class_4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "192de096c4e68008f2ca167f59b32ed24898eaa459a6a10605bb2da2d7312495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192de096c4e68008f2ca167f59b32ed24898eaa459a6a10605bb2da2d7312495", kill_on_drop: false }`
[INFO] [stdout] 192de096c4e68008f2ca167f59b32ed24898eaa459a6a10605bb2da2d7312495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f7cd13d6a4b74049dac8536261790ee0b9d93a153e7092462d44d598f6184d4
[INFO] running `Command { std: "docker" "start" "-a" "8f7cd13d6a4b74049dac8536261790ee0b9d93a153e7092462d44d598f6184d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/online_class_4-c226514d2b8ac7fb)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/online_class_4-3da82d710877af8e)
[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] [stderr]    Doc-tests online_class_4
[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] [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" "8f7cd13d6a4b74049dac8536261790ee0b9d93a153e7092462d44d598f6184d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7cd13d6a4b74049dac8536261790ee0b9d93a153e7092462d44d598f6184d4", kill_on_drop: false }`
[INFO] [stdout] 8f7cd13d6a4b74049dac8536261790ee0b9d93a153e7092462d44d598f6184d4