[INFO] fetching crate graph_solver 0.4.0...
[INFO] testing graph_solver-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate graph_solver 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate graph_solver 0.4.0
[INFO] finished tweaking crates.io crate graph_solver 0.4.0
[INFO] tweaked toml for crates.io crate graph_solver 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate graph_solver 0.4.0 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 graph_solver 0.4.0 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-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] 9778addd1001217f615cfee71adc9bc344ffdd2f63f657c7a155e0f46390aa45
[INFO] running `Command { std: "docker" "start" "-a" "9778addd1001217f615cfee71adc9bc344ffdd2f63f657c7a155e0f46390aa45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9778addd1001217f615cfee71adc9bc344ffdd2f63f657c7a155e0f46390aa45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9778addd1001217f615cfee71adc9bc344ffdd2f63f657c7a155e0f46390aa45", kill_on_drop: false }`
[INFO] [stdout] 9778addd1001217f615cfee71adc9bc344ffdd2f63f657c7a155e0f46390aa45
[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] a508c517a1c1283050268d57c89882e11d184f7a3919b2578a03a54306a42b4b
[INFO] running `Command { std: "docker" "start" "-a" "a508c517a1c1283050268d57c89882e11d184f7a3919b2578a03a54306a42b4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling quickbacktrack v0.6.0
[INFO] [stderr]    Compiling graph_solver v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "a508c517a1c1283050268d57c89882e11d184f7a3919b2578a03a54306a42b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a508c517a1c1283050268d57c89882e11d184f7a3919b2578a03a54306a42b4b", kill_on_drop: false }`
[INFO] [stdout] a508c517a1c1283050268d57c89882e11d184f7a3919b2578a03a54306a42b4b
[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] f881a6f5127bb1e3696a3e41e93acb697319944209d941c66b21deec0153d798
[INFO] running `Command { std: "docker" "start" "-a" "f881a6f5127bb1e3696a3e41e93acb697319944209d941c66b21deec0153d798", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_solver v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "f881a6f5127bb1e3696a3e41e93acb697319944209d941c66b21deec0153d798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f881a6f5127bb1e3696a3e41e93acb697319944209d941c66b21deec0153d798", kill_on_drop: false }`
[INFO] [stdout] f881a6f5127bb1e3696a3e41e93acb697319944209d941c66b21deec0153d798
[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] 4a185bd13e601076a57de129149ef95aa5944841051ca6572c7e1e7eb45c7dfa
[INFO] running `Command { std: "docker" "start" "-a" "4a185bd13e601076a57de129149ef95aa5944841051ca6572c7e1e7eb45c7dfa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph_solver-401bd2f501d07a68)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::simple1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graph_solver
[INFO] [stderr] warning: unexpected character `̨`
[INFO] [stderr]    --> src/lib.rs:3:1
[INFO] [stderr]     |
[INFO] [stderr]   3 | / //! # Graph Solver
[INFO] [stderr]   4 | | //! An undirected graph constraint solver for node and edge colors.
[INFO] [stderr]   5 | | //!
[INFO] [stderr]   6 | | //! Brought to you by the [AdvancedResearch](https://github.com/advancedresearch) community!
[INFO] [stderr] ...   |
[INFO] [stderr] 102 | | //! - An edge color `0` is means no choice (neither empty or colored).
[INFO] [stderr] 103 | | //! - An edge color `1` is means empty
[INFO] [stderr]     | |______________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "4a185bd13e601076a57de129149ef95aa5944841051ca6572c7e1e7eb45c7dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a185bd13e601076a57de129149ef95aa5944841051ca6572c7e1e7eb45c7dfa", kill_on_drop: false }`
[INFO] [stdout] 4a185bd13e601076a57de129149ef95aa5944841051ca6572c7e1e7eb45c7dfa