[INFO] cloning repository https://github.com/Harry-Kwon/Exercises-Rust-GuessingGame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Harry-Kwon/Exercises-Rust-GuessingGame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarry-Kwon%2FExercises-Rust-GuessingGame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarry-Kwon%2FExercises-Rust-GuessingGame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00defc6b5eef845a6875efb7ce3fbf6699638a1e
[INFO] checking Harry-Kwon/Exercises-Rust-GuessingGame against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarry-Kwon%2FExercises-Rust-GuessingGame" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Harry-Kwon/Exercises-Rust-GuessingGame on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Harry-Kwon/Exercises-Rust-GuessingGame
[INFO] finished tweaking git repo https://github.com/Harry-Kwon/Exercises-Rust-GuessingGame
[INFO] tweaked toml for git repo https://github.com/Harry-Kwon/Exercises-Rust-GuessingGame written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Harry-Kwon/Exercises-Rust-GuessingGame already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 973ff7d4d86354f1e1847b8d765a0c7469899c2fa840149c02b70f547336b916
[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" "973ff7d4d86354f1e1847b8d765a0c7469899c2fa840149c02b70f547336b916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "973ff7d4d86354f1e1847b8d765a0c7469899c2fa840149c02b70f547336b916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973ff7d4d86354f1e1847b8d765a0c7469899c2fa840149c02b70f547336b916", kill_on_drop: false }`
[INFO] [stdout] 973ff7d4d86354f1e1847b8d765a0c7469899c2fa840149c02b70f547336b916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f18e71e3a248f70089b26ca5e601e4264bc2c3cc1507970418da9052a0a84cb1
[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" "f18e71e3a248f70089b26ca5e601e4264bc2c3cc1507970418da9052a0a84cb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "f18e71e3a248f70089b26ca5e601e4264bc2c3cc1507970418da9052a0a84cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18e71e3a248f70089b26ca5e601e4264bc2c3cc1507970418da9052a0a84cb1", kill_on_drop: false }`
[INFO] [stdout] f18e71e3a248f70089b26ca5e601e4264bc2c3cc1507970418da9052a0a84cb1