[INFO] fetching crate lightchain 0.0.1...
[INFO] testing lightchain-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate lightchain 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lightchain 0.0.1
[INFO] finished tweaking crates.io crate lightchain 0.0.1
[INFO] tweaked toml for crates.io crate lightchain 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lightchain 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 lightchain 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 01d873a9b73ae76c408a2b5fa9fcec74b17acc3c1aa9f22e7f3e9a5077ec0e6d
[INFO] running `Command { std: "docker" "start" "-a" "01d873a9b73ae76c408a2b5fa9fcec74b17acc3c1aa9f22e7f3e9a5077ec0e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01d873a9b73ae76c408a2b5fa9fcec74b17acc3c1aa9f22e7f3e9a5077ec0e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d873a9b73ae76c408a2b5fa9fcec74b17acc3c1aa9f22e7f3e9a5077ec0e6d", kill_on_drop: false }`
[INFO] [stdout] 01d873a9b73ae76c408a2b5fa9fcec74b17acc3c1aa9f22e7f3e9a5077ec0e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4c60f6c2411d1a82227a583784171307d26e53dd7e9a9a82a309953f6d78c7a4
[INFO] running `Command { std: "docker" "start" "-a" "4c60f6c2411d1a82227a583784171307d26e53dd7e9a9a82a309953f6d78c7a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling lightchain v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "4c60f6c2411d1a82227a583784171307d26e53dd7e9a9a82a309953f6d78c7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c60f6c2411d1a82227a583784171307d26e53dd7e9a9a82a309953f6d78c7a4", kill_on_drop: false }`
[INFO] [stdout] 4c60f6c2411d1a82227a583784171307d26e53dd7e9a9a82a309953f6d78c7a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] db11956b43017f1641a8f3ef9269056248ed0657cb2539155482babfdc2db8d2
[INFO] running `Command { std: "docker" "start" "-a" "db11956b43017f1641a8f3ef9269056248ed0657cb2539155482babfdc2db8d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling lightchain v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "db11956b43017f1641a8f3ef9269056248ed0657cb2539155482babfdc2db8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db11956b43017f1641a8f3ef9269056248ed0657cb2539155482babfdc2db8d2", kill_on_drop: false }`
[INFO] [stdout] db11956b43017f1641a8f3ef9269056248ed0657cb2539155482babfdc2db8d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2432e589a67c97838b5e279ba7b20033211ab44e638456cbe525db9026cce7b5
[INFO] running `Command { std: "docker" "start" "-a" "2432e589a67c97838b5e279ba7b20033211ab44e638456cbe525db9026cce7b5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lightchain-61b5e8fd573ab6c7)
[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" "2432e589a67c97838b5e279ba7b20033211ab44e638456cbe525db9026cce7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2432e589a67c97838b5e279ba7b20033211ab44e638456cbe525db9026cce7b5", kill_on_drop: false }`
[INFO] [stdout] 2432e589a67c97838b5e279ba7b20033211ab44e638456cbe525db9026cce7b5