[INFO] cloning repository https://github.com/dgreda/rust_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/dgreda/rust_guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgreda%2Frust_guessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgreda%2Frust_guessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 594b4c4d98223bed88feaf49322459e48d937e9f
[INFO] checking dgreda/rust_guessing_game against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgreda%2Frust_guessing_game" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgreda/rust_guessing_game on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dgreda/rust_guessing_game
[INFO] finished tweaking git repo https://github.com/dgreda/rust_guessing_game
[INFO] tweaked toml for git repo https://github.com/dgreda/rust_guessing_game written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/dgreda/rust_guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7daae3a24d13a7520127971f41b8f3a4f3bf1dd0c31a5a29567bd484a59974ac
[INFO] running `Command { std: "docker" "start" "-a" "7daae3a24d13a7520127971f41b8f3a4f3bf1dd0c31a5a29567bd484a59974ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7daae3a24d13a7520127971f41b8f3a4f3bf1dd0c31a5a29567bd484a59974ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7daae3a24d13a7520127971f41b8f3a4f3bf1dd0c31a5a29567bd484a59974ac", kill_on_drop: false }`
[INFO] [stdout] 7daae3a24d13a7520127971f41b8f3a4f3bf1dd0c31a5a29567bd484a59974ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8af91d16ebaf0d61d24592c65d4738040159ec4ceb8373ea2d3c93588287ed7a
[INFO] running `Command { std: "docker" "start" "-a" "8af91d16ebaf0d61d24592c65d4738040159ec4ceb8373ea2d3c93588287ed7a", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "8af91d16ebaf0d61d24592c65d4738040159ec4ceb8373ea2d3c93588287ed7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af91d16ebaf0d61d24592c65d4738040159ec4ceb8373ea2d3c93588287ed7a", kill_on_drop: false }`
[INFO] [stdout] 8af91d16ebaf0d61d24592c65d4738040159ec4ceb8373ea2d3c93588287ed7a