[INFO] cloning repository https://github.com/kwilson33/rustGuessingGame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kwilson33/rustGuessingGame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwilson33%2FrustGuessingGame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwilson33%2FrustGuessingGame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49996c12b1f54d5d4cddb9ee81a7ec653eeac376
[INFO] checking kwilson33/rustGuessingGame against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwilson33%2FrustGuessingGame" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kwilson33/rustGuessingGame on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kwilson33/rustGuessingGame
[INFO] finished tweaking git repo https://github.com/kwilson33/rustGuessingGame
[INFO] tweaked toml for git repo https://github.com/kwilson33/rustGuessingGame written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kwilson33/rustGuessingGame already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbf788be1fce1a2f6f90f5f30275ec4369ce5aac4ee493cbc71b50c6d71bf72d
[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" "fbf788be1fce1a2f6f90f5f30275ec4369ce5aac4ee493cbc71b50c6d71bf72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf788be1fce1a2f6f90f5f30275ec4369ce5aac4ee493cbc71b50c6d71bf72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf788be1fce1a2f6f90f5f30275ec4369ce5aac4ee493cbc71b50c6d71bf72d", kill_on_drop: false }`
[INFO] [stdout] fbf788be1fce1a2f6f90f5f30275ec4369ce5aac4ee493cbc71b50c6d71bf72d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 891bdcc49655841faecd75bcaac438718c7348e73e73e48e94131d95e465807e
[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" "891bdcc49655841faecd75bcaac438718c7348e73e73e48e94131d95e465807e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_chacha v0.2.0 (https://github.com/rust-lang-nursery/rand#5610bdae)
[INFO] [stderr]    Compiling rand v0.7.0-pre.1 (https://github.com/rust-lang-nursery/rand#5610bdae)
[INFO] [stderr]     Checking getrandom v0.1.3
[INFO] [stderr]     Checking rand_core v0.5.0 (https://github.com/rust-lang-nursery/rand#5610bdae)
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "891bdcc49655841faecd75bcaac438718c7348e73e73e48e94131d95e465807e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891bdcc49655841faecd75bcaac438718c7348e73e73e48e94131d95e465807e", kill_on_drop: false }`
[INFO] [stdout] 891bdcc49655841faecd75bcaac438718c7348e73e73e48e94131d95e465807e