[INFO] cloning repository https://github.com/the-halfbloodprince/rust-guessing-game-from-the-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/the-halfbloodprince/rust-guessing-game-from-the-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-halfbloodprince%2Frust-guessing-game-from-the-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-halfbloodprince%2Frust-guessing-game-from-the-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0af2504fa10267ad29b784ac1c1f546e6a5649e
[INFO] checking the-halfbloodprince/rust-guessing-game-from-the-book against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-halfbloodprince%2Frust-guessing-game-from-the-book" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/the-halfbloodprince/rust-guessing-game-from-the-book on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/the-halfbloodprince/rust-guessing-game-from-the-book
[INFO] finished tweaking git repo https://github.com/the-halfbloodprince/rust-guessing-game-from-the-book
[INFO] tweaked toml for git repo https://github.com/the-halfbloodprince/rust-guessing-game-from-the-book written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/the-halfbloodprince/rust-guessing-game-from-the-book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7a019f3624c9a1d1ddea476d5523360fd88105c7224597fc1a79618f1cd75eb
[INFO] running `Command { std: "docker" "start" "-a" "f7a019f3624c9a1d1ddea476d5523360fd88105c7224597fc1a79618f1cd75eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7a019f3624c9a1d1ddea476d5523360fd88105c7224597fc1a79618f1cd75eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a019f3624c9a1d1ddea476d5523360fd88105c7224597fc1a79618f1cd75eb", kill_on_drop: false }`
[INFO] [stdout] f7a019f3624c9a1d1ddea476d5523360fd88105c7224597fc1a79618f1cd75eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97aef3e3362e162df504d4d774a201a9bbf2fc13b08b721438b6bb44f6a00cf5
[INFO] running `Command { std: "docker" "start" "-a" "97aef3e3362e162df504d4d774a201a9bbf2fc13b08b721438b6bb44f6a00cf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "97aef3e3362e162df504d4d774a201a9bbf2fc13b08b721438b6bb44f6a00cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97aef3e3362e162df504d4d774a201a9bbf2fc13b08b721438b6bb44f6a00cf5", kill_on_drop: false }`
[INFO] [stdout] 97aef3e3362e162df504d4d774a201a9bbf2fc13b08b721438b6bb44f6a00cf5