[INFO] cloning repository https://github.com/HaotianPang/Rust_Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HaotianPang/Rust_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHaotianPang%2FRust_Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHaotianPang%2FRust_Learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53804085d6a667601f174de9e9c7bed88639e6de
[INFO] testing HaotianPang/Rust_Learning against master#d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d for pr-83796
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHaotianPang%2FRust_Learning" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HaotianPang/Rust_Learning on toolchain d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HaotianPang/Rust_Learning
[INFO] finished tweaking git repo https://github.com/HaotianPang/Rust_Learning
[INFO] tweaked toml for git repo https://github.com/HaotianPang/Rust_Learning written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/HaotianPang/Rust_Learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e609b226ab381871b645a4a5f01c30bc473e6d4764e7b8c28878b0cd8749304c
[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" "e609b226ab381871b645a4a5f01c30bc473e6d4764e7b8c28878b0cd8749304c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e609b226ab381871b645a4a5f01c30bc473e6d4764e7b8c28878b0cd8749304c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e609b226ab381871b645a4a5f01c30bc473e6d4764e7b8c28878b0cd8749304c", kill_on_drop: false }`
[INFO] [stdout] e609b226ab381871b645a4a5f01c30bc473e6d4764e7b8c28878b0cd8749304c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 759ad4dd33d86ec9a702516fa1042669a90e862d7f7a9bd09c7b955129327492
[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" "759ad4dd33d86ec9a702516fa1042669a90e862d7f7a9bd09c7b955129327492", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling guess_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this file contains an unclosed delimiter
[INFO] [stdout]    --> src/main.rs:146:2
[INFO] [stdout]     |
[INFO] [stdout] 4   | fn main() {  
[INFO] [stdout]     |           - unclosed delimiter
[INFO] [stdout] ...
[INFO] [stdout] 146 | }
[INFO] [stdout]     |  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guess_game`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "759ad4dd33d86ec9a702516fa1042669a90e862d7f7a9bd09c7b955129327492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759ad4dd33d86ec9a702516fa1042669a90e862d7f7a9bd09c7b955129327492", kill_on_drop: false }`
[INFO] [stdout] 759ad4dd33d86ec9a702516fa1042669a90e862d7f7a9bd09c7b955129327492