[INFO] fetching crate rust_tutorials_qiao 0.1.0...
[INFO] testing rust_tutorials_qiao-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rust_tutorials_qiao 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rust_tutorials_qiao 0.1.0
[INFO] finished tweaking crates.io crate rust_tutorials_qiao 0.1.0
[INFO] tweaked toml for crates.io crate rust_tutorials_qiao 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_tutorials_qiao 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 rust_tutorials_qiao 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1a10da7823d37f54b3cb6c6b136d72e70af50e1feb86dee2ed1ff06ff5521631
[INFO] running `Command { std: "docker" "start" "-a" "1a10da7823d37f54b3cb6c6b136d72e70af50e1feb86dee2ed1ff06ff5521631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a10da7823d37f54b3cb6c6b136d72e70af50e1feb86dee2ed1ff06ff5521631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a10da7823d37f54b3cb6c6b136d72e70af50e1feb86dee2ed1ff06ff5521631", kill_on_drop: false }`
[INFO] [stdout] 1a10da7823d37f54b3cb6c6b136d72e70af50e1feb86dee2ed1ff06ff5521631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3bc72256f5da638d288b0e7f1273142e2ade297ea17039e1654216ff48f718b4
[INFO] running `Command { std: "docker" "start" "-a" "3bc72256f5da638d288b0e7f1273142e2ade297ea17039e1654216ff48f718b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tutorials_qiao v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "3bc72256f5da638d288b0e7f1273142e2ade297ea17039e1654216ff48f718b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc72256f5da638d288b0e7f1273142e2ade297ea17039e1654216ff48f718b4", kill_on_drop: false }`
[INFO] [stdout] 3bc72256f5da638d288b0e7f1273142e2ade297ea17039e1654216ff48f718b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5fe877e970fef1340bf14bd422b6d71b7f7aceea4a96299843dec34432099b53
[INFO] running `Command { std: "docker" "start" "-a" "5fe877e970fef1340bf14bd422b6d71b7f7aceea4a96299843dec34432099b53", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tutorials_qiao v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "5fe877e970fef1340bf14bd422b6d71b7f7aceea4a96299843dec34432099b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe877e970fef1340bf14bd422b6d71b7f7aceea4a96299843dec34432099b53", kill_on_drop: false }`
[INFO] [stdout] 5fe877e970fef1340bf14bd422b6d71b7f7aceea4a96299843dec34432099b53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2b4acfeb0d2bd27dfa4f1fc7b69a00fe92a32527bae1fff8b23fc5a9c740d37a
[INFO] running `Command { std: "docker" "start" "-a" "2b4acfeb0d2bd27dfa4f1fc7b69a00fe92a32527bae1fff8b23fc5a9c740d37a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tutorials_qiao-2e3633e0d9e5241f)
[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" "2b4acfeb0d2bd27dfa4f1fc7b69a00fe92a32527bae1fff8b23fc5a9c740d37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4acfeb0d2bd27dfa4f1fc7b69a00fe92a32527bae1fff8b23fc5a9c740d37a", kill_on_drop: false }`
[INFO] [stdout] 2b4acfeb0d2bd27dfa4f1fc7b69a00fe92a32527bae1fff8b23fc5a9c740d37a