[INFO] fetching crate samyama-graph-algorithms 1.0.0...
[INFO] testing samyama-graph-algorithms-1.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate samyama-graph-algorithms 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate samyama-graph-algorithms 1.0.0
[INFO] finished tweaking crates.io crate samyama-graph-algorithms 1.0.0
[INFO] tweaked toml for crates.io crate samyama-graph-algorithms 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate samyama-graph-algorithms 1.0.0 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 crates.io crate samyama-graph-algorithms 1.0.0 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-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7bda0271d835e20aad8b842a87261e4b4086f40591cb3d570445ce6c31cd3606
[INFO] running `Command { std: "docker" "start" "-a" "7bda0271d835e20aad8b842a87261e4b4086f40591cb3d570445ce6c31cd3606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bda0271d835e20aad8b842a87261e4b4086f40591cb3d570445ce6c31cd3606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bda0271d835e20aad8b842a87261e4b4086f40591cb3d570445ce6c31cd3606", kill_on_drop: false }`
[INFO] [stdout] 7bda0271d835e20aad8b842a87261e4b4086f40591cb3d570445ce6c31cd3606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 42973b1b347bab2b0122f5edf1d697881f1012c542ba1f4f263df6ca32b96866
[INFO] running `Command { std: "docker" "start" "-a" "42973b1b347bab2b0122f5edf1d697881f1012c542ba1f4f263df6ca32b96866", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling samyama-graph-algorithms v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pathfinding.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut path: Vec<NodeId> = partial_path.iter()
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `converged` is never read
[INFO] [stdout]   --> src/cdlp.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut converged = false;
[INFO] [stdout]    |                         ^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 82 |             converged = true;
[INFO] [stdout]    |             ---------------- `converged` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `Command { std: "docker" "inspect" "42973b1b347bab2b0122f5edf1d697881f1012c542ba1f4f263df6ca32b96866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42973b1b347bab2b0122f5edf1d697881f1012c542ba1f4f263df6ca32b96866", kill_on_drop: false }`
[INFO] [stdout] 42973b1b347bab2b0122f5edf1d697881f1012c542ba1f4f263df6ca32b96866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 98a4c1e6fd1f5a675b65862d3035dd335d31aa460ff205fbaf675ce9c3828af6
[INFO] running `Command { std: "docker" "start" "-a" "98a4c1e6fd1f5a675b65862d3035dd335d31aa460ff205fbaf675ce9c3828af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling samyama-graph-algorithms v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pathfinding.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut path: Vec<NodeId> = partial_path.iter()
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `converged` is never read
[INFO] [stdout]   --> src/cdlp.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut converged = false;
[INFO] [stdout]    |                         ^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 82 |             converged = true;
[INFO] [stdout]    |             ---------------- `converged` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pathfinding.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut path: Vec<NodeId> = partial_path.iter()
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `converged` is never read
[INFO] [stdout]   --> src/cdlp.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut converged = false;
[INFO] [stdout]    |                         ^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 82 |             converged = true;
[INFO] [stdout]    |             ---------------- `converged` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "98a4c1e6fd1f5a675b65862d3035dd335d31aa460ff205fbaf675ce9c3828af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a4c1e6fd1f5a675b65862d3035dd335d31aa460ff205fbaf675ce9c3828af6", kill_on_drop: false }`
[INFO] [stdout] 98a4c1e6fd1f5a675b65862d3035dd335d31aa460ff205fbaf675ce9c3828af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1b6a7cdaee954b7f0c55c4f59532950b1296e9ff84470f7af227823e66b6a7bd
[INFO] running `Command { std: "docker" "start" "-a" "1b6a7cdaee954b7f0c55c4f59532950b1296e9ff84470f7af227823e66b6a7bd", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pathfinding.rs:230:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |             let mut path: Vec<NodeId> = partial_path.iter()
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `converged` is never read
[INFO] [stderr]   --> src/cdlp.rs:47:25
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut converged = false;
[INFO] [stderr]    |                         ^^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 82 |             converged = true;
[INFO] [stderr]    |             ---------------- `converged` is overwritten here before the previous value is read
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `samyama-graph-algorithms` (lib) generated 2 warnings (run `cargo fix --lib -p samyama-graph-algorithms` to apply 1 suggestion)
[INFO] [stderr] warning: `samyama-graph-algorithms` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/samyama_graph_algorithms-9b2afa927e6a4e20)
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test cdlp::tests::test_cdlp_empty ... ok
[INFO] [stdout] test cdlp::tests::test_cdlp_disconnected ... ok
[INFO] [stdout] test community::tests::test_scc ... ok
[INFO] [stdout] test community::tests::test_wcc ... ok
[INFO] [stdout] test cdlp::tests::test_cdlp_triangle ... ok
[INFO] [stdout] test flow::tests::test_edmonds_karp ... ok
[INFO] [stdout] test lcc::tests::test_lcc_empty ... ok
[INFO] [stdout] test lcc::tests::test_lcc_star ... ok
[INFO] [stdout] test lcc::tests::test_lcc_triangle ... ok
[INFO] [stdout] test pagerank::tests::test_pagerank_damping_factor_effect ... ok
[INFO] [stdout] test mst::tests::test_prim_mst ... ok
[INFO] [stdout] test lcc::tests::test_lcc_directed_triangle ... ok
[INFO] [stdout] test lcc::tests::test_lcc_directed_complete_triangle ... ok
[INFO] [stdout] test pagerank::tests::test_pagerank_dangling_redistribution_flag ... ok
[INFO] [stdout] test pagerank::tests::test_pagerank_convergence ... ok
[INFO] [stdout] test pagerank::tests::test_pagerank_empty_graph ... ok
[INFO] [stdout] test pagerank::tests::test_pagerank_single_node ... ok
[INFO] [stdout] test pagerank::tests::test_pagerank_scores_sum_to_one ... ok
[INFO] [stdout] test pagerank::tests::test_pagerank_triangle_symmetric ... ok
[INFO] [stdout] test pathfinding::tests::test_bfs_all_shortest_paths_no_path ... ok
[INFO] [stdout] test pca::tests::test_pca_centering ... ok
[INFO] [stdout] test pathfinding::tests::test_bfs_all_shortest_paths ... ok
[INFO] [stdout] test pathfinding::tests::test_bfs ... ok
[INFO] [stdout] test pca::tests::test_pca_convergence ... ok
[INFO] [stdout] test pagerank::tests::test_pagerank_star_hub_has_lowest_rank ... ok
[INFO] [stdout] test pathfinding::tests::test_dijkstra ... ok
[INFO] [stdout] test pca::tests::test_pca_identity ... ok
[INFO] [stdout] test pca::tests::test_pca_transform ... ok
[INFO] [stdout] test pca::tests::test_pca_scaling ... ok
[INFO] [stdout] test pca::tests::test_pca_solver_backward_compat ... ok
[INFO] [stdout] test pca::tests::test_pca_basic ... ok
[INFO] [stdout] test pca::tests::test_pca_transform_batch ... ok
[INFO] [stdout] test topology::tests::test_triangle_counting ... ok
[INFO] [stdout] test pca::tests::test_pca_randomized_variance_sum ... ok
[INFO] [stdout] test pca::tests::test_pca_explained_variance_ratios_sum ... ok
[INFO] [stdout] test pca::tests::test_pca_randomized_basic ... ok
[INFO] [stdout] test pca::tests::test_pca_auto_selects_randomized ... ok
[INFO] [stdout] test pca::tests::test_pca_randomized_orthogonality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests samyama_graph_algorithms
[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" "1b6a7cdaee954b7f0c55c4f59532950b1296e9ff84470f7af227823e66b6a7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6a7cdaee954b7f0c55c4f59532950b1296e9ff84470f7af227823e66b6a7bd", kill_on_drop: false }`
[INFO] [stdout] 1b6a7cdaee954b7f0c55c4f59532950b1296e9ff84470f7af227823e66b6a7bd
