[INFO] fetching crate luka 0.4.0...
[INFO] testing luka-0.4.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate luka 0.4.0 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate luka 0.4.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luka 0.4.0
[INFO] finished tweaking crates.io crate luka 0.4.0
[INFO] tweaked toml for crates.io crate luka 0.4.0 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e90ccc6acb94f81777314f5844004548a0cf6240fd8b18b7e598c4f3bc9123f
[INFO] running `Command { std: "docker" "start" "-a" "8e90ccc6acb94f81777314f5844004548a0cf6240fd8b18b7e598c4f3bc9123f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e90ccc6acb94f81777314f5844004548a0cf6240fd8b18b7e598c4f3bc9123f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e90ccc6acb94f81777314f5844004548a0cf6240fd8b18b7e598c4f3bc9123f", kill_on_drop: false }`
[INFO] [stdout] 8e90ccc6acb94f81777314f5844004548a0cf6240fd8b18b7e598c4f3bc9123f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dabe78fd1a90196108fe4b4969d9f775552ede7bfea2484c839643ab4ca07ad3
[INFO] running `Command { std: "docker" "start" "-a" "dabe78fd1a90196108fe4b4969d9f775552ede7bfea2484c839643ab4ca07ad3", kill_on_drop: false }`
[INFO] [stderr]    Compiling luka v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "dabe78fd1a90196108fe4b4969d9f775552ede7bfea2484c839643ab4ca07ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dabe78fd1a90196108fe4b4969d9f775552ede7bfea2484c839643ab4ca07ad3", kill_on_drop: false }`
[INFO] [stdout] dabe78fd1a90196108fe4b4969d9f775552ede7bfea2484c839643ab4ca07ad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e6be5fb24911dcb1568ce77644d3acb14b47775c16b59af8c9ca887620919e
[INFO] running `Command { std: "docker" "start" "-a" "24e6be5fb24911dcb1568ce77644d3acb14b47775c16b59af8c9ca887620919e", kill_on_drop: false }`
[INFO] [stderr]    Compiling luka v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "24e6be5fb24911dcb1568ce77644d3acb14b47775c16b59af8c9ca887620919e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e6be5fb24911dcb1568ce77644d3acb14b47775c16b59af8c9ca887620919e", kill_on_drop: false }`
[INFO] [stdout] 24e6be5fb24911dcb1568ce77644d3acb14b47775c16b59af8c9ca887620919e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 051acff911cf52c1451e0bd52167b11b7f0a7eb71e67b59c031354514df8bafc
[INFO] running `Command { std: "docker" "start" "-a" "051acff911cf52c1451e0bd52167b11b7f0a7eb71e67b59c031354514df8bafc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luka-9403896292719f22)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test algorithms::bellman_ford::tests::test_bellman_ford ... ok
[INFO] [stdout] test algorithms::bfs::tests::test_bfs_with_visitor_algorithm ... ok
[INFO] [stdout] test algorithms::bfs::tests::test_bfs_algorithm ... ok
[INFO] [stdout] test algorithms::connected_components::tests::test_find_strongly_connected_components ... ok
[INFO] [stdout] test algorithms::connected_components::tests::test_find_connected_components ... ok
[INFO] [stdout] test algorithms::dfs::tests::test_dfs_algorithm ... ok
[INFO] [stdout] test algorithms::dfs::tests::test_dfs_with_visitor_algorithm ... ok
[INFO] [stdout] test algorithms::dijkstra::tests::test_dijkstra ... ok
[INFO] [stdout] test algorithms::find_bridges::tests::test_find_bridges ... ok
[INFO] [stdout] test algorithms::find_cycle::tests::test_find_cycle ... ok
[INFO] [stdout] test algorithms::find_subtrees_size::tests::test_find_subtrees_size ... ok
[INFO] [stdout] test algorithms::find_cycle::tests::test_find_oriented_cycle ... ok
[INFO] [stdout] test algorithms::find_vertices_depths::tests::test_find_vertices_depths ... ok
[INFO] [stdout] test algorithms::floid::tests::test_floid ... ok
[INFO] [stdout] test algorithms::kruskal::tests::test_kruskal ... ok
[INFO] [stdout] test algorithms::lca::tests::test_lca ... ok
[INFO] [stdout] test algorithms::topological_sort::tests::test_topology_sort ... ok
[INFO] [stdout] test dsu::tests::test_dsu ... ok
[INFO] [stdout] test algorithms::bellman_ford::tests::test_bellman_ford_exists_cycle - should panic ... ok
[INFO] [stdout] test algorithms::bfs::tests::test_bfs_algorithm_panic - should panic ... ok
[INFO] [stdout] test dsu::tests::test_dsu_panic - should panic ... ok
[INFO] [stdout] test stack::test_stack ... ok
[INFO] [stdout] test algorithms::dfs::tests::test_dfs_algorithm_panic - should panic ... ok
[INFO] [stdout] test algorithms::floid::tests::test_floid_exists_cycle_negative_weight - should panic ... ok
[INFO] [stdout] test algorithms::lca::tests::test_lca_not_connected_graph - should panic ... ok
[INFO] [stdout] test algorithms::topological_sort::tests::test_exists_cycle_topology_sort - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bellman_ford.rs (/opt/rustwide/target/debug/deps/bellman_ford-a0f860db30fe9cb0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_bellman_ford ... ok
[INFO] [stdout] test test_bellman_ford_exists_cycle - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bfs.rs (/opt/rustwide/target/debug/deps/bfs-5ea14e2b01ae5ec5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test integration_test_bfs_algorithm ... ok
[INFO] [stdout] test integration_test_bfs_with_visitor_algorithm ... ok
[INFO] [stdout] test integration_test_bfs_algorithm_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/connected_components.rs (/opt/rustwide/target/debug/deps/connected_components-c4463629e8b7000b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test integration_test_find_strongly_connected_components ... ok
[INFO] [stdout] test integration_test_find_connected_components ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cycle.rs (/opt/rustwide/target/debug/deps/cycle-0b7e1584df85b81a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test integration_test_find_cycle ... ok
[INFO] [stdout] test test_find_oriented_cycle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/dfs.rs (/opt/rustwide/target/debug/deps/dfs-b99aeba2ab714fcf)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test integration_test_dfs_algorithm ... ok
[INFO] [stdout] test integration_test_dfs_with_visitor_lgorithm ... ok
[INFO] [stdout] test integration_test_dfs_algorithm_panic - should panic ... 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]      Running tests/dijkstra.rs (/opt/rustwide/target/debug/deps/dijkstra-5e92517109718934)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/find_bridges.rs (/opt/rustwide/target/debug/deps/find_bridges-536e26ea6ccb0fca)
[INFO] [stdout] running 1 test
[INFO] [stdout] test integration_test_dijkstra ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_find_bridges ... 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]      Running tests/floid.rs (/opt/rustwide/target/debug/deps/floid-ef22d1567eb67070)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_floid ... ok
[INFO] [stderr]      Running tests/graph.rs (/opt/rustwide/target/debug/deps/graph-e631f4a1195fec69)
[INFO] [stdout] test test_floid_exists_cycle_negative_weight - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test integraion_test_invalid_add_edge ... ok
[INFO] [stdout] test integration_test_add_edge ... ok
[INFO] [stdout] test integration_test_invalid_add_edge_with_panic - should panic ... 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]      Running tests/kruskal.rs (/opt/rustwide/target/debug/deps/kruskal-08acc12f967452b6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/lca.rs (/opt/rustwide/target/debug/deps/lca-1d011c86a72735bc)
[INFO] [stdout] test test_kruskal ... 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]      Running tests/substrees_size.rs (/opt/rustwide/target/debug/deps/substrees_size-82787ca74807f368)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_lca ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_find_subtrees_size ... 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]      Running tests/topologic_sort.rs (/opt/rustwide/target/debug/deps/topologic_sort-5389520ade2293fa)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test integration_test_topology_sort ... ok
[INFO] [stderr]      Running tests/vertices_depths.rs (/opt/rustwide/target/debug/deps/vertices_depths-fa686e8715103d61)
[INFO] [stdout] test integration_test_exists_cycle_topology_sort - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_find_vertices_depths ... 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 luka
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - Graph<T>::new (line 71) ... ok
[INFO] [stdout] test src/algorithms/dfs.rs - algorithms::dfs::dfs_with_visitor (line 155) ... ok
[INFO] [stdout] test src/lib.rs - Graph<T>::add_edge (line 85) ... ok
[INFO] [stdout] test src/algorithms/dfs.rs - algorithms::dfs::dfs (line 28) ... ok
[INFO] [stdout] test src/algorithms/bfs.rs - algorithms::bfs::bfs_with_visitor (line 82) ... ok
[INFO] [stdout] test src/algorithms/find_vertices_depths.rs - algorithms::find_vertices_depths::find_vertices_depths (line 45) ... ok
[INFO] [stdout] test src/algorithms/lca.rs - algorithms::lca::LCA (line 23) ... ok
[INFO] [stdout] test src/algorithms/find_subtrees_size.rs - algorithms::find_subtrees_size::find_subtrees_size (line 45) ... ok
[INFO] [stdout] test src/algorithms/connected_components.rs - algorithms::connected_components::find_connected_components (line 21) ... ok
[INFO] [stdout] test src/algorithms/kruskal.rs - algorithms::kruskal::kruskal (line 42) ... ok
[INFO] [stdout] test src/algorithms/find_cycle.rs - algorithms::find_cycle::find_cycle (line 69) ... ok
[INFO] [stdout] test src/algorithms/find_cycle.rs - algorithms::find_cycle::find_oriented_cycle (line 105) ... ok
[INFO] [stdout] test src/algorithms/topological_sort.rs - algorithms::topological_sort::topoligical_sort (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] test src/algorithms/dijkstra.rs - algorithms::dijkstra::dijkstra (line 48) ... ok
[INFO] [stdout] test src/algorithms/connected_components.rs - algorithms::connected_components::find_strongly_connected_components_search (line 99) ... ok
[INFO] [stdout] test src/algorithms/bellman_ford.rs - algorithms::bellman_ford::bellman_ford (line 22) ... ok
[INFO] [stdout] test src/algorithms/bfs.rs - algorithms::bfs::bfs (line 8) ... ok
[INFO] [stdout] test src/algorithms/find_bridges.rs - algorithms::find_bridges::find_bridges (line 54) ... ok
[INFO] [stdout] test src/algorithms/floid.rs - algorithms::floid::floid (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "051acff911cf52c1451e0bd52167b11b7f0a7eb71e67b59c031354514df8bafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051acff911cf52c1451e0bd52167b11b7f0a7eb71e67b59c031354514df8bafc", kill_on_drop: false }`
[INFO] [stdout] 051acff911cf52c1451e0bd52167b11b7f0a7eb71e67b59c031354514df8bafc