[INFO] cloning repository https://github.com/guccyon/basic-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/guccyon/basic-arithmetic-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguccyon%2Fbasic-arithmetic-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguccyon%2Fbasic-arithmetic-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e5045423889cc213e7e004085a9d59fbe223eb7
[INFO] checking guccyon/basic-arithmetic-calculator against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguccyon%2Fbasic-arithmetic-calculator" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guccyon/basic-arithmetic-calculator on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guccyon/basic-arithmetic-calculator
[INFO] finished tweaking git repo https://github.com/guccyon/basic-arithmetic-calculator
[INFO] tweaked toml for git repo https://github.com/guccyon/basic-arithmetic-calculator written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/guccyon/basic-arithmetic-calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2316cdc3813c0d5b7b4d97bda2aa583897fa24b1661a77bcf740c0243b95729a
[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" "2316cdc3813c0d5b7b4d97bda2aa583897fa24b1661a77bcf740c0243b95729a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2316cdc3813c0d5b7b4d97bda2aa583897fa24b1661a77bcf740c0243b95729a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2316cdc3813c0d5b7b4d97bda2aa583897fa24b1661a77bcf740c0243b95729a", kill_on_drop: false }`
[INFO] [stdout] 2316cdc3813c0d5b7b4d97bda2aa583897fa24b1661a77bcf740c0243b95729a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 595c87f3257e6a21fffc5451907d96bc921a4c4fb51f4c0602105f35f80c2a20
[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" "595c87f3257e6a21fffc5451907d96bc921a4c4fb51f4c0602105f35f80c2a20", kill_on_drop: false }`
[INFO] [stderr]     Checking basic_arithmetic_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "595c87f3257e6a21fffc5451907d96bc921a4c4fb51f4c0602105f35f80c2a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595c87f3257e6a21fffc5451907d96bc921a4c4fb51f4c0602105f35f80c2a20", kill_on_drop: false }`
[INFO] [stdout] 595c87f3257e6a21fffc5451907d96bc921a4c4fb51f4c0602105f35f80c2a20