[INFO] fetching crate graphalgs 0.0.6...
[INFO] testing graphalgs-0.0.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate graphalgs 0.0.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate graphalgs 0.0.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphalgs 0.0.6
[INFO] finished tweaking crates.io crate graphalgs 0.0.6
[INFO] tweaked toml for crates.io crate graphalgs 0.0.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa462bd13449b4a8f897a4165b2be6e2a1ee6041aabade67af74049ae5718214
[INFO] running `Command { std: "docker" "start" "-a" "fa462bd13449b4a8f897a4165b2be6e2a1ee6041aabade67af74049ae5718214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa462bd13449b4a8f897a4165b2be6e2a1ee6041aabade67af74049ae5718214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa462bd13449b4a8f897a4165b2be6e2a1ee6041aabade67af74049ae5718214", kill_on_drop: false }`
[INFO] [stdout] fa462bd13449b4a8f897a4165b2be6e2a1ee6041aabade67af74049ae5718214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92d535c3a1d477d86a40c1e14fa9bc8ddb923fa5bf9291fd40c7e177b88747e2
[INFO] running `Command { std: "docker" "start" "-a" "92d535c3a1d477d86a40c1e14fa9bc8ddb923fa5bf9291fd40c7e177b88747e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling nalgebra v0.25.4
[INFO] [stderr]    Compiling graphalgs v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.02s
[INFO] running `Command { std: "docker" "inspect" "92d535c3a1d477d86a40c1e14fa9bc8ddb923fa5bf9291fd40c7e177b88747e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d535c3a1d477d86a40c1e14fa9bc8ddb923fa5bf9291fd40c7e177b88747e2", kill_on_drop: false }`
[INFO] [stdout] 92d535c3a1d477d86a40c1e14fa9bc8ddb923fa5bf9291fd40c7e177b88747e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d34b0707b22415baed4b681741f05a06f47b26d9d0fcc943a5f59f74c5b53cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d34b0707b22415baed4b681741f05a06f47b26d9d0fcc943a5f59f74c5b53cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling graphalgs v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.41s
[INFO] running `Command { std: "docker" "inspect" "9d34b0707b22415baed4b681741f05a06f47b26d9d0fcc943a5f59f74c5b53cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d34b0707b22415baed4b681741f05a06f47b26d9d0fcc943a5f59f74c5b53cd", kill_on_drop: false }`
[INFO] [stdout] 9d34b0707b22415baed4b681741f05a06f47b26d9d0fcc943a5f59f74c5b53cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4450bda64d78eb99948dad0dccc7909a24459df3fab823f970f90889a015ef6a
[INFO] running `Command { std: "docker" "start" "-a" "4450bda64d78eb99948dad0dccc7909a24459df3fab823f970f90889a015ef6a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graphalgs-08118ea190ac52c7)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test connect::articulation_points::tests::test_articulation_points ... ok
[INFO] [stdout] test adj_matrix::test::test_weighted ... ok
[INFO] [stdout] test adj_matrix::test::test_unweighted ... ok
[INFO] [stdout] test connect::find_bridges::tests::test_find_bridges ... ok
[INFO] [stdout] test metrics::tests::test_center ... ok
[INFO] [stdout] test metrics::tests::test_eccentricity ... ok
[INFO] [stdout] test metrics::tests::test_girth ... ok
[INFO] [stdout] test shortest_path::floyd_warshall::tests::test_distance_map ... ok
[INFO] [stdout] test metrics::tests::test_radius ... ok
[INFO] [stdout] test metrics::tests::test_periphery ... ok
[INFO] [stdout] test metrics::tests::test_weighted_center ... ok
[INFO] [stdout] test generate::randomg::test::test_random_weighted_ungraph ... ok
[INFO] [stdout] test spec::tests::test_is_the_degree_sequence_graphlike ... ok
[INFO] [stdout] test generate::randomg::test::test_random_digraph ... ok
[INFO] [stdout] test generate::randomg::test::test_random_weighted_digraph ... ok
[INFO] [stdout] test tournament::tests::test_is_tournament_transitive ... ok
[INFO] [stdout] test metrics::tests::test_weighted_diameter ... ok
[INFO] [stdout] test metrics::tests::test_weighted_eccentricity ... ok
[INFO] [stdout] test metrics::tests::test_weighted_periphery ... ok
[INFO] [stdout] test metrics::tests::test_weighted_radius ... ok
[INFO] [stdout] test tournament::tests::test_is_tournament ... ok
[INFO] [stdout] test metrics::tests::test_diameter ... ok
[INFO] [stdout] test generate::complement::tests::test_complement ... ok
[INFO] [stdout] test generate::randomg::test::test_random_ungraph ... ok
[INFO] [stdout] test tournament::tests::test_random_tournament ... ok
[INFO] [stdout] test shortest_path::seidel::tests::test_apd ... ok
[INFO] [stdout] test shortest_path::shortest_distances::tests::test_shortest_distances ... ok
[INFO] [stdout] test shortest_path::seidel::tests::test_seidel ... ok
[INFO] [stdout] test shortest_path::johnson::tests::test_johnson ... ok
[INFO] [stdout] test shortest_path::floyd_warshall::tests::test_floyd_warshall ... ok
[INFO] [stdout] test shortest_path::spfa::tests::test_spfa ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.33s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graphalgs
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name graphalgs --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-7adfca359266e919.rlib --extern graphalgs=/opt/rustwide/target/debug/deps/libgraphalgs-b4eaa62e82b06271.rlib --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-f71006756c3d0d9f.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-07bce94835c38406.rlib --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-131382112f2520c1.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-5ab5f6411868649c.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4450bda64d78eb99948dad0dccc7909a24459df3fab823f970f90889a015ef6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4450bda64d78eb99948dad0dccc7909a24459df3fab823f970f90889a015ef6a", kill_on_drop: false }`
[INFO] [stdout] 4450bda64d78eb99948dad0dccc7909a24459df3fab823f970f90889a015ef6a