[INFO] cloning repository https://github.com/allisonlevine/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/allisonlevine/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallisonlevine%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallisonlevine%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2deae8ee2c03b396bfd447248ecc89950cfea51
[INFO] checking allisonlevine/guessing_game against master#12f35ad39ed3e39df4d953c46d4f6cc6c82adc96 for pr-155299-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallisonlevine%2Fguessing_game" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/allisonlevine/guessing_game
[INFO] finished tweaking git repo https://github.com/allisonlevine/guessing_game
[INFO] tweaked toml for git repo https://github.com/allisonlevine/guessing_game written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/allisonlevine/guessing_game on toolchain 12f35ad39ed3e39df4d953c46d4f6cc6c82adc96
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/allisonlevine/guessing_game 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" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded getrandom v0.2.5
[INFO] [stderr]   Downloaded libc v0.2.119
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6029d7fd07f306934d76d411bf137a31c283f85b26979ed8874abe9eedbd26e
[INFO] running `Command { std: "docker" "start" "-a" "c6029d7fd07f306934d76d411bf137a31c283f85b26979ed8874abe9eedbd26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6029d7fd07f306934d76d411bf137a31c283f85b26979ed8874abe9eedbd26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6029d7fd07f306934d76d411bf137a31c283f85b26979ed8874abe9eedbd26e", kill_on_drop: false }`
[INFO] [stdout] c6029d7fd07f306934d76d411bf137a31c283f85b26979ed8874abe9eedbd26e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d832f8bd8922431ce968474a7b0f4b09b342857d69bfe39ee08aff26dcbddaa4
[INFO] running `Command { std: "docker" "start" "-a" "d832f8bd8922431ce968474a7b0f4b09b342857d69bfe39ee08aff26dcbddaa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[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 2.54s
[INFO] running `Command { std: "docker" "inspect" "d832f8bd8922431ce968474a7b0f4b09b342857d69bfe39ee08aff26dcbddaa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d832f8bd8922431ce968474a7b0f4b09b342857d69bfe39ee08aff26dcbddaa4", kill_on_drop: false }`
[INFO] [stdout] d832f8bd8922431ce968474a7b0f4b09b342857d69bfe39ee08aff26dcbddaa4