[INFO] fetching crate traitgraph 0.4.0...
[INFO] testing traitgraph-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate traitgraph 0.4.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate traitgraph 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate traitgraph 0.4.0
[INFO] finished tweaking crates.io crate traitgraph 0.4.0
[INFO] tweaked toml for crates.io crate traitgraph 0.4.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76583d8a4ececef9b93e8b835d3f8608007ad1f17358e1ec9053b719940ced9a
[INFO] running `Command { std: "docker" "start" "-a" "76583d8a4ececef9b93e8b835d3f8608007ad1f17358e1ec9053b719940ced9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76583d8a4ececef9b93e8b835d3f8608007ad1f17358e1ec9053b719940ced9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76583d8a4ececef9b93e8b835d3f8608007ad1f17358e1ec9053b719940ced9a", kill_on_drop: false }`
[INFO] [stdout] 76583d8a4ececef9b93e8b835d3f8608007ad1f17358e1ec9053b719940ced9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b233e39c573b4339acf072dbc96525feaf0c0097925add1621ce531de96bf015
[INFO] running `Command { std: "docker" "start" "-a" "b233e39c573b4339acf072dbc96525feaf0c0097925add1621ce531de96bf015", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitvector v0.1.5
[INFO] [stderr]    Compiling traitsequence v0.4.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling traitgraph v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "b233e39c573b4339acf072dbc96525feaf0c0097925add1621ce531de96bf015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b233e39c573b4339acf072dbc96525feaf0c0097925add1621ce531de96bf015", kill_on_drop: false }`
[INFO] [stdout] b233e39c573b4339acf072dbc96525feaf0c0097925add1621ce531de96bf015
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d507f1043821b18b3210248186fb305df0364eaef2838ae103b9283210b8d53e
[INFO] running `Command { std: "docker" "start" "-a" "d507f1043821b18b3210248186fb305df0364eaef2838ae103b9283210b8d53e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling traitgraph v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.34s
[INFO] running `Command { std: "docker" "inspect" "d507f1043821b18b3210248186fb305df0364eaef2838ae103b9283210b8d53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d507f1043821b18b3210248186fb305df0364eaef2838ae103b9283210b8d53e", kill_on_drop: false }`
[INFO] [stdout] d507f1043821b18b3210248186fb305df0364eaef2838ae103b9283210b8d53e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2223bfab880657608d22ef89cf2145b04e6617d324c3f4c416a24ee01883f49e
[INFO] running `Command { std: "docker" "start" "-a" "2223bfab880657608d22ef89cf2145b04e6617d324c3f4c416a24ee01883f49e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/traitgraph-f41d043caf6eedb3)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test algo::components::tests::test_decompose_sccs_empty_graph ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_sccs_multiple_wccs ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_sccs_nearly_scc ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_sccs_nearly_scc_reverse ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_sccs_one_wc_with_two_sccs ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_weakly_connected_components_empty_graph ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_sccs_scc ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_weakly_connected_components_multiple_wccs ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_weakly_connected_components_nearly_scc ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_weakly_connected_components_nearly_scc_reverse ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_weakly_connected_components_one_wc_with_two_sccs ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_empty_graph ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_weakly_connected_components_scc ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_multiple_wccs ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_nearly_scc ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_nearly_scc_reverse ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_one_wc_with_two_sccs ... ok
[INFO] [stdout] test algo::components::tests::test_scc_check_empty_graph ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_scc ... ok
[INFO] [stdout] test algo::components::tests::test_scc_check_multiple_wccs ... ok
[INFO] [stdout] test algo::components::tests::test_scc_check_nearly_scc ... ok
[INFO] [stdout] test algo::components::tests::test_scc_check_nearly_scc_reverse ... ok
[INFO] [stdout] test algo::components::tests::test_scc_check_one_wc_with_two_sccs ... ok
[INFO] [stdout] test algo::dijkstra::tests::test_dijkstra_cycle ... ok
[INFO] [stdout] test algo::components::tests::test_scc_check_scc ... ok
[INFO] [stdout] test algo::dijkstra::tests::test_dijkstra_simple ... ok
[INFO] [stdout] test algo::predefined_graphs::tests::test_create_binary_tree_2 ... ok
[INFO] [stdout] test algo::traversal::test::test_postorder_traversal_simple ... ok
[INFO] [stdout] test algo::traversal::univocal_traversal::tests::test_is_edge_self_bivalent_cycle ... ok
[INFO] [stdout] test algo::traversal::univocal_traversal::tests::test_is_edge_self_bivalent_simple ... ok
[INFO] [stdout] test io::hamcircuit::tests::test_write_read_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests traitgraph
[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" "2223bfab880657608d22ef89cf2145b04e6617d324c3f4c416a24ee01883f49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2223bfab880657608d22ef89cf2145b04e6617d324c3f4c416a24ee01883f49e", kill_on_drop: false }`
[INFO] [stdout] 2223bfab880657608d22ef89cf2145b04e6617d324c3f4c416a24ee01883f49e