[INFO] cloning repository https://github.com/duguorong009/arithmetic-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duguorong009/arithmetic-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduguorong009%2Farithmetic-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduguorong009%2Farithmetic-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbbac963e99267818153b9314901000b8ba358e4
[INFO] testing duguorong009/arithmetic-calculator 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%2Fduguorong009%2Farithmetic-calculator" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duguorong009/arithmetic-calculator 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/duguorong009/arithmetic-calculator
[INFO] finished tweaking git repo https://github.com/duguorong009/arithmetic-calculator
[INFO] tweaked toml for git repo https://github.com/duguorong009/arithmetic-calculator written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/duguorong009/arithmetic-calculator 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 0b2fe745c8eb95da0d262909ae3cffab933ecab0334cf08d0c648aae4b4b0bd7
[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" "0b2fe745c8eb95da0d262909ae3cffab933ecab0334cf08d0c648aae4b4b0bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b2fe745c8eb95da0d262909ae3cffab933ecab0334cf08d0c648aae4b4b0bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2fe745c8eb95da0d262909ae3cffab933ecab0334cf08d0c648aae4b4b0bd7", kill_on_drop: false }`
[INFO] [stdout] 0b2fe745c8eb95da0d262909ae3cffab933ecab0334cf08d0c648aae4b4b0bd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 149366c4ca247a0087510703b8d8ef0ad2188717ca1cd3da7aa670d3334fc201
[INFO] running `Command { std: "docker" "start" "-a" "149366c4ca247a0087510703b8d8ef0ad2188717ca1cd3da7aa670d3334fc201", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "149366c4ca247a0087510703b8d8ef0ad2188717ca1cd3da7aa670d3334fc201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149366c4ca247a0087510703b8d8ef0ad2188717ca1cd3da7aa670d3334fc201", kill_on_drop: false }`
[INFO] [stdout] 149366c4ca247a0087510703b8d8ef0ad2188717ca1cd3da7aa670d3334fc201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 150ddbbd1a369644411a844629a2eb65d5c7d83cedf5a8703db19ec23d6e9585
[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" "150ddbbd1a369644411a844629a2eb65d5c7d83cedf5a8703db19ec23d6e9585", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "150ddbbd1a369644411a844629a2eb65d5c7d83cedf5a8703db19ec23d6e9585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150ddbbd1a369644411a844629a2eb65d5c7d83cedf5a8703db19ec23d6e9585", kill_on_drop: false }`
[INFO] [stdout] 150ddbbd1a369644411a844629a2eb65d5c7d83cedf5a8703db19ec23d6e9585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3ab3096f1fb5943412e67599ed72e6119c767dbd9a2558131b2ff7476563d13
[INFO] running `Command { std: "docker" "start" "-a" "a3ab3096f1fb5943412e67599ed72e6119c767dbd9a2558131b2ff7476563d13", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chapter2-117cecbbdfd00e69)
[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" "a3ab3096f1fb5943412e67599ed72e6119c767dbd9a2558131b2ff7476563d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ab3096f1fb5943412e67599ed72e6119c767dbd9a2558131b2ff7476563d13", kill_on_drop: false }`
[INFO] [stdout] a3ab3096f1fb5943412e67599ed72e6119c767dbd9a2558131b2ff7476563d13