[INFO] cloning repository https://github.com/ChaosQueue/guessing_game1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChaosQueue/guessing_game1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaosQueue%2Fguessing_game1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaosQueue%2Fguessing_game1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7851b9f7db4d29be587d378d096e986884c4d040
[INFO] checking ChaosQueue/guessing_game1 against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaosQueue%2Fguessing_game1" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChaosQueue/guessing_game1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChaosQueue/guessing_game1
[INFO] finished tweaking git repo https://github.com/ChaosQueue/guessing_game1
[INFO] tweaked toml for git repo https://github.com/ChaosQueue/guessing_game1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ChaosQueue/guessing_game1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fe32632a68da48e6b0a3ba4de7193ce66f298238b8a078e50116d235e8aee57
[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" "5fe32632a68da48e6b0a3ba4de7193ce66f298238b8a078e50116d235e8aee57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fe32632a68da48e6b0a3ba4de7193ce66f298238b8a078e50116d235e8aee57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe32632a68da48e6b0a3ba4de7193ce66f298238b8a078e50116d235e8aee57", kill_on_drop: false }`
[INFO] [stdout] 5fe32632a68da48e6b0a3ba4de7193ce66f298238b8a078e50116d235e8aee57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--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] d2915c49968ac45cf38a847df6f018a68217c5a30fec6976ff8a12b9eaf7eb3a
[INFO] running `Command { std: "docker" "start" "-a" "d2915c49968ac45cf38a847df6f018a68217c5a30fec6976ff8a12b9eaf7eb3a", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "d2915c49968ac45cf38a847df6f018a68217c5a30fec6976ff8a12b9eaf7eb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2915c49968ac45cf38a847df6f018a68217c5a30fec6976ff8a12b9eaf7eb3a", kill_on_drop: false }`
[INFO] [stdout] d2915c49968ac45cf38a847df6f018a68217c5a30fec6976ff8a12b9eaf7eb3a