[INFO] fetching crate guessing_game_rustbook2023 0.1.0...
[INFO] testing guessing_game_rustbook2023-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate guessing_game_rustbook2023 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate guessing_game_rustbook2023 0.1.0
[INFO] finished tweaking crates.io crate guessing_game_rustbook2023 0.1.0
[INFO] tweaked toml for crates.io crate guessing_game_rustbook2023 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate guessing_game_rustbook2023 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate guessing_game_rustbook2023 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69d730347c7274f9ff72d8dcd9a333e5f320e83d708ccd05cf46955590c7f3b1
[INFO] running `Command { std: "docker" "start" "-a" "69d730347c7274f9ff72d8dcd9a333e5f320e83d708ccd05cf46955590c7f3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69d730347c7274f9ff72d8dcd9a333e5f320e83d708ccd05cf46955590c7f3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69d730347c7274f9ff72d8dcd9a333e5f320e83d708ccd05cf46955590c7f3b1", kill_on_drop: false }`
[INFO] [stdout] 69d730347c7274f9ff72d8dcd9a333e5f320e83d708ccd05cf46955590c7f3b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38c965de3ed7c1366b2ca31a19952c49b8956d8d37c1e52cbcb0a32404369820
[INFO] running `Command { std: "docker" "start" "-a" "38c965de3ed7c1366b2ca31a19952c49b8956d8d37c1e52cbcb0a32404369820", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling guessing_game_rustbook2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "38c965de3ed7c1366b2ca31a19952c49b8956d8d37c1e52cbcb0a32404369820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c965de3ed7c1366b2ca31a19952c49b8956d8d37c1e52cbcb0a32404369820", kill_on_drop: false }`
[INFO] [stdout] 38c965de3ed7c1366b2ca31a19952c49b8956d8d37c1e52cbcb0a32404369820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 194eb39350335fbd8dcacd7652dce82023e3845d0406f9e56b01778a9df5170a
[INFO] running `Command { std: "docker" "start" "-a" "194eb39350335fbd8dcacd7652dce82023e3845d0406f9e56b01778a9df5170a", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game_rustbook2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "194eb39350335fbd8dcacd7652dce82023e3845d0406f9e56b01778a9df5170a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194eb39350335fbd8dcacd7652dce82023e3845d0406f9e56b01778a9df5170a", kill_on_drop: false }`
[INFO] [stdout] 194eb39350335fbd8dcacd7652dce82023e3845d0406f9e56b01778a9df5170a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70b2c9999b436e1bd897ac4afe222d574fa7750ef0a6da2d1b8ec82f15c41675
[INFO] running `Command { std: "docker" "start" "-a" "70b2c9999b436e1bd897ac4afe222d574fa7750ef0a6da2d1b8ec82f15c41675", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game_rustbook2023-5d8a08a100f62e0f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70b2c9999b436e1bd897ac4afe222d574fa7750ef0a6da2d1b8ec82f15c41675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b2c9999b436e1bd897ac4afe222d574fa7750ef0a6da2d1b8ec82f15c41675", kill_on_drop: false }`
[INFO] [stdout] 70b2c9999b436e1bd897ac4afe222d574fa7750ef0a6da2d1b8ec82f15c41675