[INFO] fetching crate spectral-fleet 0.1.0...
[INFO] testing spectral-fleet-0.1.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate spectral-fleet 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate spectral-fleet 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate spectral-fleet 0.1.0
[INFO] tweaked toml for crates.io crate spectral-fleet 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spectral-fleet 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spectral-fleet 0.1.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731
[INFO] running `Command { std: "docker" "start" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling spectral-fleet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `bfs_shortest_paths` is never used
[INFO] [stdout]   --> src/bottleneck.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn bfs_shortest_paths(graph: &FleetGraph, source: usize) -> (Vec<Option<usize>>, Vec<f64>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `ndarray`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.ndarray]
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `ndarray`
[INFO] [stderr] warning: unused dependency `serde_json`
[INFO] [stderr]  --> Cargo.toml:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | [dependencies.serde_json]
[INFO] [stderr]   |               ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `serde_json`
[INFO] [stderr] warning: `spectral-fleet` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stdout] warning: function `bfs_shortest_paths` is never used
[INFO] [stdout]   --> src/bottleneck.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn bfs_shortest_paths(graph: &FleetGraph, source: usize) -> (Vec<Option<usize>>, Vec<f64>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling spectral-fleet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AgentNode`
[INFO] [stdout]  --> tests/spectral_tests.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fleet_graph::{AgentNode, CommEdge, FleetGraph},
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bfs_shortest_paths` is never used
[INFO] [stdout]   --> src/bottleneck.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn bfs_shortest_paths(graph: &FleetGraph, source: usize) -> (Vec<Option<usize>>, Vec<f64>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `ndarray`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.ndarray]
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `ndarray`
[INFO] [stderr] warning: unused dependency `serde_json`
[INFO] [stderr]  --> Cargo.toml:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | [dependencies.serde_json]
[INFO] [stderr]   |               ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `serde_json`
[INFO] [stderr] warning: `spectral-fleet` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: function `bfs_shortest_paths` is never used
[INFO] [stderr]   --> src/bottleneck.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn bfs_shortest_paths(graph: &FleetGraph, source: usize) -> (Vec<Option<usize>>, Vec<f64>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `spectral-fleet` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `AgentNode`
[INFO] [stderr]  --> tests/spectral_tests.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fleet_graph::{AgentNode, CommEdge, FleetGraph},
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `spectral-fleet` (test "spectral_tests") generated 1 warning (run `cargo fix --test "spectral_tests" -p spectral-fleet` to apply 1 suggestion)
[INFO] [stderr] warning: `spectral-fleet` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused dependency `ndarray`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.ndarray]
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `ndarray`
[INFO] [stderr] warning: unused dependency `serde_json`
[INFO] [stderr]  --> Cargo.toml:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | [dependencies.serde_json]
[INFO] [stderr]   |               ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `serde_json`
[INFO] [stderr] warning: `spectral-fleet` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/spectral-fleet/d8dbd71853203d3b/out/spectral_fleet-d8dbd71853203d3b)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/spectral_tests.rs (/opt/rustwide/target/debug/build/spectral-fleet/29cc6540fc1655de/out/spectral_tests-29cc6540fc1655de)
[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] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test test_bridge_agents_in_star ... ok
[INFO] [stdout] test test_barbell_graph ... ok
[INFO] [stdout] test test_avg_shortest_path ... ok
[INFO] [stdout] test test_diameter_path ... ok
[INFO] [stdout] test test_bridge_edges_in_barbell ... ok
[INFO] [stdout] test test_cluster_assignments ... ok
[INFO] [stdout] test test_clustering_single_cluster_for_complete ... ok
[INFO] [stdout] test test_connected_graph_positive_fiedler ... ok
[INFO] [stdout] test test_complete_graph_connected ... ok
[INFO] [stdout] test test_complete_graph_single_zero_eigenvalue ... ok
[INFO] [stdout] test test_diameter_complete ... ok
[INFO] [stdout] test test_count_components_from_spectrum ... ok
[INFO] [stdout] test test_disconnected_graph_zero_fiedler ... ok
[INFO] [stdout] test test_degree_balance ... ok
[INFO] [stdout] test test_from_github_org ... ok
[INFO] [stdout] test test_degree_balance_unbalanced ... ok
[INFO] [stdout] test test_dynamics_add_agent ... ok
[INFO] [stdout] test test_ascii_render ... ok
[INFO] [stdout] test test_dynamics_fiedler_trajectory ... ok
[INFO] [stdout] test test_fiedler_vector_exists ... ok
[INFO] [stdout] test test_embedding_preserves_clusters ... ok
[INFO] [stdout] test test_dynamics_phase_transition_disconnect ... ok
[INFO] [stdout] test test_detect_bottlenecks ... ok
[INFO] [stdout] test test_disconnected_graph_multiple_zero_eigenvalues ... ok
[INFO] [stdout] test test_betweenness_centrality_star ... ok
[INFO] [stdout] test test_suggest_for_spectral_gap ... ok
[INFO] [stdout] test test_optimal_k_two_communities ... ok
[INFO] [stdout] test test_path_graph ... ok
[INFO] [stdout] test test_spectral_clustering_two_communities ... ok
[INFO] [stdout] test test_spectral_embedding_dimensions ... ok
[INFO] [stdout] test test_disconnected_graph ... ok
[INFO] [stdout] test test_reorganization_improves_spectral_gap ... ok
[INFO] [stdout] test test_laplacian_row_sum_zero ... ok
[INFO] [stdout] test test_normalized_laplacian ... ok
[INFO] [stdout] test test_suggest_bypasses ... ok
[INFO] [stdout] test test_spectral_centrality ... ok
[INFO] [stdout] test test_laplacian_diagonal_nonnegative ... ok
[INFO] [stdout] test test_star_graph ... ok
[INFO] [stdout] test test_tsne_embedding ... ok
[INFO] [stderr]    Doc-tests spectral_fleet
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731", kill_on_drop: false }`
[INFO] [stdout] a2895976385edae9ddec9f65c9b9f9eb6e89ab1dafd53d294b3d6a0e7b9ae731
