[INFO] cloning repository https://github.com/kons-9/solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kons-9/solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkons-9%2Fsolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkons-9%2Fsolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3123f2c48f6488838d20a16188b18e49a5cf22a8
[INFO] testing kons-9/solver against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkons-9%2Fsolver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kons-9/solver
[INFO] finished tweaking git repo https://github.com/kons-9/solver
[INFO] tweaked toml for git repo https://github.com/kons-9/solver written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kons-9/solver on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kons-9/solver 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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab3ffd97c0b1f59549c6a24f2786a9bfd98df8002c1b7c056b1c847804279de0
[INFO] running `Command { std: "docker" "start" "-a" "ab3ffd97c0b1f59549c6a24f2786a9bfd98df8002c1b7c056b1c847804279de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab3ffd97c0b1f59549c6a24f2786a9bfd98df8002c1b7c056b1c847804279de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3ffd97c0b1f59549c6a24f2786a9bfd98df8002c1b7c056b1c847804279de0", kill_on_drop: false }`
[INFO] [stdout] ab3ffd97c0b1f59549c6a24f2786a9bfd98df8002c1b7c056b1c847804279de0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5b3b311f9728c5d0e16653262b1cda57fd038fa24cba26caff48b4db6b8876b
[INFO] running `Command { std: "docker" "start" "-a" "c5b3b311f9728c5d0e16653262b1cda57fd038fa24cba26caff48b4db6b8876b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling puzzles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "c5b3b311f9728c5d0e16653262b1cda57fd038fa24cba26caff48b4db6b8876b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b3b311f9728c5d0e16653262b1cda57fd038fa24cba26caff48b4db6b8876b", kill_on_drop: false }`
[INFO] [stdout] c5b3b311f9728c5d0e16653262b1cda57fd038fa24cba26caff48b4db6b8876b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11f034513f11757ca89fa35d4021f88449545766c1862ae8586d67ede877306
[INFO] running `Command { std: "docker" "start" "-a" "c11f034513f11757ca89fa35d4021f88449545766c1862ae8586d67ede877306", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "c11f034513f11757ca89fa35d4021f88449545766c1862ae8586d67ede877306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11f034513f11757ca89fa35d4021f88449545766c1862ae8586d67ede877306", kill_on_drop: false }`
[INFO] [stdout] c11f034513f11757ca89fa35d4021f88449545766c1862ae8586d67ede877306
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c124f8dec65e4277e83ba56530e2b3aa975127095498eb4d58da52b7a70d030b
[INFO] running `Command { std: "docker" "start" "-a" "c124f8dec65e4277e83ba56530e2b3aa975127095498eb4d58da52b7a70d030b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/puzzles-c08eafb4d3498721)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test solver::fifteen_puzzle::test::test ... ok
[INFO] [stdout] test solver::hanoi::test::test_next_from_to ... ok
[INFO] [stdout] test solver::hanoi::test::test_count ... ok
[INFO] [stdout] test solver::hanoi::test::test_next_val ... ok
[INFO] [stdout] test solver::pentomino::test::pentomino_block_test ... ok
[INFO] [stdout] test solver::pentomino::test::pentomino_find_upper_left ... ok
[INFO] [stdout] test solver::pentomino::test::pentomino_check_test ... ok
[INFO] [stdout] test solver::hanoi::test::test_run_all ... ok
[INFO] [stdout] test solver::pentomino::test::pentomino_place_test ... ok
[INFO] [stdout] test solver::hanoi::test::test_par_run_all ... ok
[INFO] [stdout] test solver::pentomino::test::pentomino_targetblock_test ... ok
[INFO] [stdout] test solver::sudoku::test::easy_test ... ok
[INFO] [stdout] test solver::pentomino::test::pentomino_check_panic_test - should panic ... ok
[INFO] [stdout] test solver::sudoku::test::hard_test ... ok
[INFO] [stdout] test solver::nquene::test::test_dfs ... ok
[INFO] [stdout] test solver::nquene::test::test_par_quene ... ok
[INFO] [stdout] test solver::nquene::test::test_quene ... ok
[INFO] [stdout] test solver::pentomino::test::pentomino_test has been running for over 60 seconds
[INFO] [stdout] test solver::pentomino::test::pentomino_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 332.70s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-64ce930b6481a08c)
[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] [stderr]    Doc-tests puzzles
[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" "c124f8dec65e4277e83ba56530e2b3aa975127095498eb4d58da52b7a70d030b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c124f8dec65e4277e83ba56530e2b3aa975127095498eb4d58da52b7a70d030b", kill_on_drop: false }`
[INFO] [stdout] c124f8dec65e4277e83ba56530e2b3aa975127095498eb4d58da52b7a70d030b