[INFO] fetching crate jigsaw_puzzle_generator 0.2.0...
[INFO] testing jigsaw_puzzle_generator-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate jigsaw_puzzle_generator 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate jigsaw_puzzle_generator 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate jigsaw_puzzle_generator 0.2.0
[INFO] tweaked toml for crates.io crate jigsaw_puzzle_generator 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jigsaw_puzzle_generator 0.2.0 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 jigsaw_puzzle_generator 0.2.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3db2e5a84770a6be7297bb8f4cc0826e0d2673de49da22ef45bca2118e5b43a3
[INFO] running `Command { std: "docker" "start" "-a" "3db2e5a84770a6be7297bb8f4cc0826e0d2673de49da22ef45bca2118e5b43a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3db2e5a84770a6be7297bb8f4cc0826e0d2673de49da22ef45bca2118e5b43a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db2e5a84770a6be7297bb8f4cc0826e0d2673de49da22ef45bca2118e5b43a3", kill_on_drop: false }`
[INFO] [stdout] 3db2e5a84770a6be7297bb8f4cc0826e0d2673de49da22ef45bca2118e5b43a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2e7d93463994152294ed7f3c64cce852a47ae15f648dc61aac371226edba39b3
[INFO] running `Command { std: "docker" "start" "-a" "2e7d93463994152294ed7f3c64cce852a47ae15f648dc61aac371226edba39b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling bytemuck v1.20.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling built v0.7.5
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling bitstream-io v2.6.0
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling imgref v1.11.0
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling avif-serialize v0.8.2
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling fdeflate v0.3.6
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[INFO] [stderr]    Compiling loop9 v0.1.5
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[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling bit_field v0.10.2
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[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling flate2 v1.0.35
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[INFO] [stderr]    Compiling png v0.17.14
[INFO] [stderr]    Compiling gif v0.13.1
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[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling image-webp v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling simba v0.8.1
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[INFO] [stderr]    Compiling ab_glyph v0.2.29
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling profiling-procmacros v1.0.16
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling av1-grain v0.2.3
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling profiling v1.0.16
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling glam v0.24.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling bezier-rs v0.4.0
[INFO] [stderr]    Compiling nalgebra v0.32.6
[INFO] [stderr]    Compiling ravif v0.11.11
[INFO] [stderr]    Compiling image v0.25.5
[INFO] [stderr]    Compiling imageproc v0.25.0
[INFO] [stderr]    Compiling jigsaw_puzzle_generator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.90s
[INFO] running `Command { std: "docker" "inspect" "2e7d93463994152294ed7f3c64cce852a47ae15f648dc61aac371226edba39b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7d93463994152294ed7f3c64cce852a47ae15f648dc61aac371226edba39b3", kill_on_drop: false }`
[INFO] [stdout] 2e7d93463994152294ed7f3c64cce852a47ae15f648dc61aac371226edba39b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a11497893d49e452359a480cf24ddd69db457fe5b148a1d49f3b34cfdb7b621d
[INFO] running `Command { std: "docker" "start" "-a" "a11497893d49e452359a480cf24ddd69db457fe5b148a1d49f3b34cfdb7b621d", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling av1-grain v0.2.3
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.2
[INFO] [stderr]    Compiling env_logger v0.11.5
[INFO] [stderr]    Compiling ravif v0.11.11
[INFO] [stderr]    Compiling image v0.25.5
[INFO] [stderr]    Compiling imageproc v0.25.0
[INFO] [stderr]    Compiling jigsaw_puzzle_generator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.21s
[INFO] running `Command { std: "docker" "inspect" "a11497893d49e452359a480cf24ddd69db457fe5b148a1d49f3b34cfdb7b621d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11497893d49e452359a480cf24ddd69db457fe5b148a1d49f3b34cfdb7b621d", kill_on_drop: false }`
[INFO] [stdout] a11497893d49e452359a480cf24ddd69db457fe5b148a1d49f3b34cfdb7b621d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f315f340c75339e30828bed47a6f2f384d407602bdaa3bfe7a6aed31a5e7b746
[INFO] running `Command { std: "docker" "start" "-a" "f315f340c75339e30828bed47a6f2f384d407602bdaa3bfe7a6aed31a5e7b746", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jigsaw_puzzle_generator-40e89fd229ffc15c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_divide_axis ... ok
[INFO] [stdout] test tests::test_divisor_pairs ... ok
[INFO] [stdout] test tests::test_optimal_aspect_ratio ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jigsaw_puzzle_generator
[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" "f315f340c75339e30828bed47a6f2f384d407602bdaa3bfe7a6aed31a5e7b746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f315f340c75339e30828bed47a6f2f384d407602bdaa3bfe7a6aed31a5e7b746", kill_on_drop: false }`
[INFO] [stdout] f315f340c75339e30828bed47a6f2f384d407602bdaa3bfe7a6aed31a5e7b746