[INFO] cloning repository https://github.com/howeih/Day-11-Karatsuba-multiplication
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-11-Karatsuba-multiplication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-11-Karatsuba-multiplication", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-11-Karatsuba-multiplication'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46c3e82d6f9bac6cde4ac0e2f4b8be50efe57dd8
[INFO] testing howeih/Day-11-Karatsuba-multiplication against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-11-Karatsuba-multiplication" "/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/howeih/Day-11-Karatsuba-multiplication on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/howeih/Day-11-Karatsuba-multiplication
[INFO] finished tweaking git repo https://github.com/howeih/Day-11-Karatsuba-multiplication
[INFO] tweaked toml for git repo https://github.com/howeih/Day-11-Karatsuba-multiplication written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-11-Karatsuba-multiplication already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b60ba6534c780ea9961852218d501bbad6ba87a4a3fea20e4e9500a49ae5030
[INFO] running `Command { std: "docker" "start" "-a" "3b60ba6534c780ea9961852218d501bbad6ba87a4a3fea20e4e9500a49ae5030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b60ba6534c780ea9961852218d501bbad6ba87a4a3fea20e4e9500a49ae5030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b60ba6534c780ea9961852218d501bbad6ba87a4a3fea20e4e9500a49ae5030", kill_on_drop: false }`
[INFO] [stdout] 3b60ba6534c780ea9961852218d501bbad6ba87a4a3fea20e4e9500a49ae5030
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 598fd21b31f9a1a7c3ce1803f5862bc2de6b79c372f67e23aa567ba99453c92a
[INFO] running `Command { std: "docker" "start" "-a" "598fd21b31f9a1a7c3ce1803f5862bc2de6b79c372f67e23aa567ba99453c92a", kill_on_drop: false }`
[INFO] [stderr]    Compiling karatsuba_multiplication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "598fd21b31f9a1a7c3ce1803f5862bc2de6b79c372f67e23aa567ba99453c92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598fd21b31f9a1a7c3ce1803f5862bc2de6b79c372f67e23aa567ba99453c92a", kill_on_drop: false }`
[INFO] [stdout] 598fd21b31f9a1a7c3ce1803f5862bc2de6b79c372f67e23aa567ba99453c92a
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d617396d9c0bc3077fad8a460727af171004e747f014ccac60eecf6a9247d3b
[INFO] running `Command { std: "docker" "start" "-a" "9d617396d9c0bc3077fad8a460727af171004e747f014ccac60eecf6a9247d3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling karatsuba_multiplication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "9d617396d9c0bc3077fad8a460727af171004e747f014ccac60eecf6a9247d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d617396d9c0bc3077fad8a460727af171004e747f014ccac60eecf6a9247d3b", kill_on_drop: false }`
[INFO] [stdout] 9d617396d9c0bc3077fad8a460727af171004e747f014ccac60eecf6a9247d3b
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c249c200f7defe6d39df5fffce48db05fdf31199f65764a2e8895daaf1313b6
[INFO] running `Command { std: "docker" "start" "-a" "1c249c200f7defe6d39df5fffce48db05fdf31199f65764a2e8895daaf1313b6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/karatsuba_multiplication-0c082b89eb94049b)
[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" "1c249c200f7defe6d39df5fffce48db05fdf31199f65764a2e8895daaf1313b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c249c200f7defe6d39df5fffce48db05fdf31199f65764a2e8895daaf1313b6", kill_on_drop: false }`
[INFO] [stdout] 1c249c200f7defe6d39df5fffce48db05fdf31199f65764a2e8895daaf1313b6