[INFO] fetching crate traitgraph 0.4.0...
[INFO] testing traitgraph-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate traitgraph 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate traitgraph 0.4.0 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 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-5/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded traitsequence v0.4.0
[INFO] [stderr]   Downloaded bitvector v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 086025de6f30610aa43a7c5af977f29a77727bf973f32a002882d9d53b8ceb0b
[INFO] running `Command { std: "docker" "start" "-a" "086025de6f30610aa43a7c5af977f29a77727bf973f32a002882d9d53b8ceb0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "086025de6f30610aa43a7c5af977f29a77727bf973f32a002882d9d53b8ceb0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086025de6f30610aa43a7c5af977f29a77727bf973f32a002882d9d53b8ceb0b", kill_on_drop: false }`
[INFO] [stdout] 086025de6f30610aa43a7c5af977f29a77727bf973f32a002882d9d53b8ceb0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 6a0174df1a508459ba9ba602e9d93151f3167ef768cebe6d83a259654c503431
[INFO] running `Command { std: "docker" "start" "-a" "6a0174df1a508459ba9ba602e9d93151f3167ef768cebe6d83a259654c503431", 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 traitsequence v0.4.0
[INFO] [stderr]    Compiling bitvector v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[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 3.29s
[INFO] running `Command { std: "docker" "inspect" "6a0174df1a508459ba9ba602e9d93151f3167ef768cebe6d83a259654c503431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0174df1a508459ba9ba602e9d93151f3167ef768cebe6d83a259654c503431", kill_on_drop: false }`
[INFO] [stdout] 6a0174df1a508459ba9ba602e9d93151f3167ef768cebe6d83a259654c503431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c40acd6c0af42d203040ff7d82583afc1234d0ff8325f00dd84358768d276e81
[INFO] running `Command { std: "docker" "start" "-a" "c40acd6c0af42d203040ff7d82583afc1234d0ff8325f00dd84358768d276e81", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[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 16.24s
[INFO] running `Command { std: "docker" "inspect" "c40acd6c0af42d203040ff7d82583afc1234d0ff8325f00dd84358768d276e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40acd6c0af42d203040ff7d82583afc1234d0ff8325f00dd84358768d276e81", kill_on_drop: false }`
[INFO] [stdout] c40acd6c0af42d203040ff7d82583afc1234d0ff8325f00dd84358768d276e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 3713a6dbfe38eec43800f50cc229ec8b0b7bbb65053988cb03494cac04fb745f
[INFO] running `Command { std: "docker" "start" "-a" "3713a6dbfe38eec43800f50cc229ec8b0b7bbb65053988cb03494cac04fb745f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/traitgraph-dcc0b77d792bd883)
[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_reverse ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_sccs_nearly_scc ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_sccs_one_wc_with_two_sccs ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_sccs_scc ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_weakly_connected_components_empty_graph ... 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_one_wc_with_two_sccs ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_weakly_connected_components_scc ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_empty_graph ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_multiple_wccs ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_nearly_scc_reverse ... ok
[INFO] [stdout] test algo::components::tests::test_decompose_weakly_connected_components_nearly_scc_reverse ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_nearly_scc ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_one_wc_with_two_sccs ... ok
[INFO] [stdout] test algo::components::tests::test_extract_subgraphs_scc ... ok
[INFO] [stdout] test algo::components::tests::test_scc_check_empty_graph ... 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::components::tests::test_scc_check_scc ... ok
[INFO] [stdout] test algo::dijkstra::tests::test_dijkstra_cycle ... ok
[INFO] [stdout] test algo::predefined_graphs::tests::test_create_binary_tree_2 ... ok
[INFO] [stdout] test algo::dijkstra::tests::test_dijkstra_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 algo::traversal::test::test_postorder_traversal_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 0.01s
[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" "3713a6dbfe38eec43800f50cc229ec8b0b7bbb65053988cb03494cac04fb745f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3713a6dbfe38eec43800f50cc229ec8b0b7bbb65053988cb03494cac04fb745f", kill_on_drop: false }`
[INFO] [stdout] 3713a6dbfe38eec43800f50cc229ec8b0b7bbb65053988cb03494cac04fb745f