[INFO] fetching crate quack_engine 0.0.1...
[INFO] testing quack_engine-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate quack_engine 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate quack_engine 0.0.1
[INFO] finished tweaking crates.io crate quack_engine 0.0.1
[INFO] tweaked toml for crates.io crate quack_engine 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quack_engine 0.0.1 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 quack_engine 0.0.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 1757235ea47f066515e7553bb921b7268b511c1a51d09c05ab8c7209636f0a5a
[INFO] running `Command { std: "docker" "start" "-a" "1757235ea47f066515e7553bb921b7268b511c1a51d09c05ab8c7209636f0a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1757235ea47f066515e7553bb921b7268b511c1a51d09c05ab8c7209636f0a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1757235ea47f066515e7553bb921b7268b511c1a51d09c05ab8c7209636f0a5a", kill_on_drop: false }`
[INFO] [stdout] 1757235ea47f066515e7553bb921b7268b511c1a51d09c05ab8c7209636f0a5a
[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] f528ca966c945f835c3f9e8060ff69bcc15eaf2a83ff9763059430dd675cb4af
[INFO] running `Command { std: "docker" "start" "-a" "f528ca966c945f835c3f9e8060ff69bcc15eaf2a83ff9763059430dd675cb4af", kill_on_drop: false }`
[INFO] [stderr]    Compiling quack_engine v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "f528ca966c945f835c3f9e8060ff69bcc15eaf2a83ff9763059430dd675cb4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f528ca966c945f835c3f9e8060ff69bcc15eaf2a83ff9763059430dd675cb4af", kill_on_drop: false }`
[INFO] [stdout] f528ca966c945f835c3f9e8060ff69bcc15eaf2a83ff9763059430dd675cb4af
[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] 18025daa00ddd79b862b21bc84c4d1547be05ff9b6c74566fdc8f488326f45ec
[INFO] running `Command { std: "docker" "start" "-a" "18025daa00ddd79b862b21bc84c4d1547be05ff9b6c74566fdc8f488326f45ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling quack_engine v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "18025daa00ddd79b862b21bc84c4d1547be05ff9b6c74566fdc8f488326f45ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18025daa00ddd79b862b21bc84c4d1547be05ff9b6c74566fdc8f488326f45ec", kill_on_drop: false }`
[INFO] [stdout] 18025daa00ddd79b862b21bc84c4d1547be05ff9b6c74566fdc8f488326f45ec
[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] c8c6a8e9167e7939c53d219482a06f4c584b775798cc0c1a6fc529c61728cd6f
[INFO] running `Command { std: "docker" "start" "-a" "c8c6a8e9167e7939c53d219482a06f4c584b775798cc0c1a6fc529c61728cd6f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/quack_engine-ef072a65e0794f95)
[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" "c8c6a8e9167e7939c53d219482a06f4c584b775798cc0c1a6fc529c61728cd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c6a8e9167e7939c53d219482a06f4c584b775798cc0c1a6fc529c61728cd6f", kill_on_drop: false }`
[INFO] [stdout] c8c6a8e9167e7939c53d219482a06f4c584b775798cc0c1a6fc529c61728cd6f