[INFO] cloning repository https://github.com/michaelobi99/rustlang-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelobi99/rustlang-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelobi99%2Frustlang-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelobi99%2Frustlang-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4be12d7c782e14c056c23e447003236883c438ef
[INFO] checking michaelobi99/rustlang-exercises against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelobi99%2Frustlang-exercises" "/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/michaelobi99/rustlang-exercises on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelobi99/rustlang-exercises
[INFO] finished tweaking git repo https://github.com/michaelobi99/rustlang-exercises
[INFO] tweaked toml for git repo https://github.com/michaelobi99/rustlang-exercises written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelobi99/rustlang-exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c2e1fe7bc9dd529aff2c6e21f235ebe2d43782ce41ea51a85b0db8a383cab77
[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" "7c2e1fe7bc9dd529aff2c6e21f235ebe2d43782ce41ea51a85b0db8a383cab77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c2e1fe7bc9dd529aff2c6e21f235ebe2d43782ce41ea51a85b0db8a383cab77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2e1fe7bc9dd529aff2c6e21f235ebe2d43782ce41ea51a85b0db8a383cab77", kill_on_drop: false }`
[INFO] [stdout] 7c2e1fe7bc9dd529aff2c6e21f235ebe2d43782ce41ea51a85b0db8a383cab77
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e98d2763fcbb2f49a8a26999fa64f8d24344e9c39030ae7457aa1ac2c58f30
[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" "95e98d2763fcbb2f49a8a26999fa64f8d24344e9c39030ae7457aa1ac2c58f30", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "95e98d2763fcbb2f49a8a26999fa64f8d24344e9c39030ae7457aa1ac2c58f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e98d2763fcbb2f49a8a26999fa64f8d24344e9c39030ae7457aa1ac2c58f30", kill_on_drop: false }`
[INFO] [stdout] 95e98d2763fcbb2f49a8a26999fa64f8d24344e9c39030ae7457aa1ac2c58f30