[INFO] cloning repository https://github.com/AnJaeSeongS2/GuessingGame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnJaeSeongS2/GuessingGame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnJaeSeongS2%2FGuessingGame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnJaeSeongS2%2FGuessingGame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b8364473d0be2c30bbbdff61d148eb6d7f6ca44
[INFO] checking AnJaeSeongS2/GuessingGame against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnJaeSeongS2%2FGuessingGame" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AnJaeSeongS2/GuessingGame on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AnJaeSeongS2/GuessingGame
[INFO] finished tweaking git repo https://github.com/AnJaeSeongS2/GuessingGame
[INFO] tweaked toml for git repo https://github.com/AnJaeSeongS2/GuessingGame written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/AnJaeSeongS2/GuessingGame already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be54dbf79ccdcd80d25061a6e7a2165f5804c2ba263613203a855be58cc6e7cf
[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" "be54dbf79ccdcd80d25061a6e7a2165f5804c2ba263613203a855be58cc6e7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be54dbf79ccdcd80d25061a6e7a2165f5804c2ba263613203a855be58cc6e7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be54dbf79ccdcd80d25061a6e7a2165f5804c2ba263613203a855be58cc6e7cf", kill_on_drop: false }`
[INFO] [stdout] be54dbf79ccdcd80d25061a6e7a2165f5804c2ba263613203a855be58cc6e7cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 573d2f53a1609f1fbce484352f7102017675b880da6119f6c7453c6835ac05f4
[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" "573d2f53a1609f1fbce484352f7102017675b880da6119f6c7453c6835ac05f4", kill_on_drop: false }`
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `println`
[INFO] [stdout]   --> src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | Structure{a ,b }
[INFO] [stdout]    |                 - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] ...
[INFO] [stdout] 19 | println!("this struct '{}' won't print...", Structure(1));
[INFO] [stdout]    | ^^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `println`
[INFO] [stdout]   --> src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | Structure{a ,b }
[INFO] [stdout]    |                 - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] ...
[INFO] [stdout] 19 | println!("this struct '{}' won't print...", Structure(1));
[INFO] [stdout]    | ^^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guessing_game`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "573d2f53a1609f1fbce484352f7102017675b880da6119f6c7453c6835ac05f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573d2f53a1609f1fbce484352f7102017675b880da6119f6c7453c6835ac05f4", kill_on_drop: false }`
[INFO] [stdout] 573d2f53a1609f1fbce484352f7102017675b880da6119f6c7453c6835ac05f4