[INFO] fetching crate leftway 0.0.1...
[INFO] testing leftway-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate leftway 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate leftway 0.0.1
[INFO] finished tweaking crates.io crate leftway 0.0.1
[INFO] tweaked toml for crates.io crate leftway 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate leftway 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 leftway 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] 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] f0439400532117909a7c69cd567927d24be73f3f16d783cdfb08e70a93ce7eed
[INFO] running `Command { std: "docker" "start" "-a" "f0439400532117909a7c69cd567927d24be73f3f16d783cdfb08e70a93ce7eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0439400532117909a7c69cd567927d24be73f3f16d783cdfb08e70a93ce7eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0439400532117909a7c69cd567927d24be73f3f16d783cdfb08e70a93ce7eed", kill_on_drop: false }`
[INFO] [stdout] f0439400532117909a7c69cd567927d24be73f3f16d783cdfb08e70a93ce7eed
[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] d25ca4b84f4ce3f5f458cfe06db76748662e1f2b278a070c96b6836034cffa2b
[INFO] running `Command { std: "docker" "start" "-a" "d25ca4b84f4ce3f5f458cfe06db76748662e1f2b278a070c96b6836034cffa2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling leftway v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "d25ca4b84f4ce3f5f458cfe06db76748662e1f2b278a070c96b6836034cffa2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25ca4b84f4ce3f5f458cfe06db76748662e1f2b278a070c96b6836034cffa2b", kill_on_drop: false }`
[INFO] [stdout] d25ca4b84f4ce3f5f458cfe06db76748662e1f2b278a070c96b6836034cffa2b
[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] 7fcbc90ff16400dd6cdf1b28ce6b89fce77a0cebba54a9bb9fa81372f4a79d9f
[INFO] running `Command { std: "docker" "start" "-a" "7fcbc90ff16400dd6cdf1b28ce6b89fce77a0cebba54a9bb9fa81372f4a79d9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling leftway v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "7fcbc90ff16400dd6cdf1b28ce6b89fce77a0cebba54a9bb9fa81372f4a79d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcbc90ff16400dd6cdf1b28ce6b89fce77a0cebba54a9bb9fa81372f4a79d9f", kill_on_drop: false }`
[INFO] [stdout] 7fcbc90ff16400dd6cdf1b28ce6b89fce77a0cebba54a9bb9fa81372f4a79d9f
[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] 8a8510358b24ec75ca6a16fb8090627ce9fc7b6a0860dc4d742d59487405e78f
[INFO] running `Command { std: "docker" "start" "-a" "8a8510358b24ec75ca6a16fb8090627ce9fc7b6a0860dc4d742d59487405e78f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leftway-b7a2bfb66d34ed37)
[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" "8a8510358b24ec75ca6a16fb8090627ce9fc7b6a0860dc4d742d59487405e78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8510358b24ec75ca6a16fb8090627ce9fc7b6a0860dc4d742d59487405e78f", kill_on_drop: false }`
[INFO] [stdout] 8a8510358b24ec75ca6a16fb8090627ce9fc7b6a0860dc4d742d59487405e78f