[INFO] fetching crate tofs_guessing_game 0.1.0...
[INFO] testing tofs_guessing_game-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tofs_guessing_game 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tofs_guessing_game 0.1.0
[INFO] finished tweaking crates.io crate tofs_guessing_game 0.1.0
[INFO] tweaked toml for crates.io crate tofs_guessing_game 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tofs_guessing_game 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 tofs_guessing_game 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0a4e4a1b5b3c2925c0c7e9aeca4571ac2f0b6764ca3e42b0309c7e350692405a
[INFO] running `Command { std: "docker" "start" "-a" "0a4e4a1b5b3c2925c0c7e9aeca4571ac2f0b6764ca3e42b0309c7e350692405a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a4e4a1b5b3c2925c0c7e9aeca4571ac2f0b6764ca3e42b0309c7e350692405a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4e4a1b5b3c2925c0c7e9aeca4571ac2f0b6764ca3e42b0309c7e350692405a", kill_on_drop: false }`
[INFO] [stdout] 0a4e4a1b5b3c2925c0c7e9aeca4571ac2f0b6764ca3e42b0309c7e350692405a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 539d61eedc20cc47c58e76601a99e4a2bbe2584a45a6975ae8fddcd6740accb4
[INFO] running `Command { std: "docker" "start" "-a" "539d61eedc20cc47c58e76601a99e4a2bbe2584a45a6975ae8fddcd6740accb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[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 tofs_guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "539d61eedc20cc47c58e76601a99e4a2bbe2584a45a6975ae8fddcd6740accb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539d61eedc20cc47c58e76601a99e4a2bbe2584a45a6975ae8fddcd6740accb4", kill_on_drop: false }`
[INFO] [stdout] 539d61eedc20cc47c58e76601a99e4a2bbe2584a45a6975ae8fddcd6740accb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c0aed77f303f0b88568c463960c64d34938f7ee4eb13798b9987b30af03d226c
[INFO] running `Command { std: "docker" "start" "-a" "c0aed77f303f0b88568c463960c64d34938f7ee4eb13798b9987b30af03d226c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tofs_guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "c0aed77f303f0b88568c463960c64d34938f7ee4eb13798b9987b30af03d226c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0aed77f303f0b88568c463960c64d34938f7ee4eb13798b9987b30af03d226c", kill_on_drop: false }`
[INFO] [stdout] c0aed77f303f0b88568c463960c64d34938f7ee4eb13798b9987b30af03d226c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bc2af85b7a7731f05705953df77c5c377e2b4ed33c609e64bf3d61bd11c9ecb7
[INFO] running `Command { std: "docker" "start" "-a" "bc2af85b7a7731f05705953df77c5c377e2b4ed33c609e64bf3d61bd11c9ecb7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tofs_guessing_game-bf0fea7c5abd7b40)
[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" "bc2af85b7a7731f05705953df77c5c377e2b4ed33c609e64bf3d61bd11c9ecb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2af85b7a7731f05705953df77c5c377e2b4ed33c609e64bf3d61bd11c9ecb7", kill_on_drop: false }`
[INFO] [stdout] bc2af85b7a7731f05705953df77c5c377e2b4ed33c609e64bf3d61bd11c9ecb7