[INFO] fetching crate btree_graph 0.2.2...
[INFO] testing btree_graph-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate btree_graph 0.2.2 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate btree_graph 0.2.2 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 btree_graph 0.2.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate btree_graph 0.2.2
[INFO] tweaked toml for crates.io crate btree_graph 0.2.2 written to /workspace/builds/worker-102/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] [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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 04380bf9ae5e70375f232130ad1d8efca90e8ab9612e830884217083306eb3fb
[INFO] running `Command { std: "docker" "start" "-a" "04380bf9ae5e70375f232130ad1d8efca90e8ab9612e830884217083306eb3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04380bf9ae5e70375f232130ad1d8efca90e8ab9612e830884217083306eb3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04380bf9ae5e70375f232130ad1d8efca90e8ab9612e830884217083306eb3fb", kill_on_drop: false }`
[INFO] [stdout] 04380bf9ae5e70375f232130ad1d8efca90e8ab9612e830884217083306eb3fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 5e21ecd68ce95695ddcc8881bed873f55cc35dd1f6204ea39908262bb2fc27ff
[INFO] running `Command { std: "docker" "start" "-a" "5e21ecd68ce95695ddcc8881bed873f55cc35dd1f6204ea39908262bb2fc27ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling btree_graph v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "5e21ecd68ce95695ddcc8881bed873f55cc35dd1f6204ea39908262bb2fc27ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e21ecd68ce95695ddcc8881bed873f55cc35dd1f6204ea39908262bb2fc27ff", kill_on_drop: false }`
[INFO] [stdout] 5e21ecd68ce95695ddcc8881bed873f55cc35dd1f6204ea39908262bb2fc27ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 503049e9bce1d936e3ab2727cf99b1351bc1d065dd8ef73c29091e2f348887b2
[INFO] running `Command { std: "docker" "start" "-a" "503049e9bce1d936e3ab2727cf99b1351bc1d065dd8ef73c29091e2f348887b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling ryu v1.0.5
[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 unicode-xid v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling btree_graph v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 50.37s
[INFO] running `Command { std: "docker" "inspect" "503049e9bce1d936e3ab2727cf99b1351bc1d065dd8ef73c29091e2f348887b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503049e9bce1d936e3ab2727cf99b1351bc1d065dd8ef73c29091e2f348887b2", kill_on_drop: false }`
[INFO] [stdout] 503049e9bce1d936e3ab2727cf99b1351bc1d065dd8ef73c29091e2f348887b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] e6c43c2366a527d92829cd74aebbf7cd10b11f81fe65c751f712bd3708a17156
[INFO] running `Command { std: "docker" "start" "-a" "e6c43c2366a527d92829cd74aebbf7cd10b11f81fe65c751f712bd3708a17156", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/btree_graph-342b0f639197ac14)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test graph::test::unit_tests::add_edge ... ok
[INFO] [stdout] test graph::test::unit_tests::add_vertex ... ok
[INFO] [stdout] test graph::test::unit_tests::adjacent ... ok
[INFO] [stdout] test graph::test::unit_tests::definition ... ok
[INFO] [stdout] test graph::test::unit_tests::connections ... ok
[INFO] [stdout] test graph::test::unit_tests::get_edge_value ... ok
[INFO] [stdout] test graph::test::unit_tests::get_vertex_value ... ok
[INFO] [stdout] test graph::test::unit_tests::edges ... ok
[INFO] [stdout] test graph::test::unit_tests::new_and_default ... ok
[INFO] [stdout] test graph::test::unit_tests::remove_vertex ... ok
[INFO] [stdout] test graph::test::unit_tests::remove_edge ... ok
[INFO] [stdout] test graph::test::unit_tests::test_graph ... ok
[INFO] [stdout] test graph::test::unit_tests::vertices ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/integration-66b757acafa36158)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests btree_graph
[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 10 tests
[INFO] [stdout] test src/graph/api.rs - graph::api::Vertices (line 7) ... ok
[INFO] [stdout] test src/graph/api.rs - graph::api::Edges (line 24) ... ok
[INFO] [stdout] test src/graph/api.rs - graph::api::AddVertex (line 41) ... ok
[INFO] [stdout] test src/graph/api.rs - graph::api::GetVertexValue (line 99) ... ok
[INFO] [stdout] test src/graph/api.rs - graph::api::Adjacent (line 183) ... ok
[INFO] [stdout] test src/graph/api.rs - graph::api::GetEdgeValue (line 80) ... ok
[INFO] [stdout] test src/graph/api.rs - graph::api::AddEdge (line 61) ... ok
[INFO] [stdout] test src/graph/api.rs - graph::api::Connections (line 206) ... ok
[INFO] [stdout] test src/graph/api.rs - graph::api::RemoveEdge (line 123) ... ok
[INFO] [stdout] test src/graph/api.rs - graph::api::RemoveVertex (line 150) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6c43c2366a527d92829cd74aebbf7cd10b11f81fe65c751f712bd3708a17156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c43c2366a527d92829cd74aebbf7cd10b11f81fe65c751f712bd3708a17156", kill_on_drop: false }`
[INFO] [stdout] e6c43c2366a527d92829cd74aebbf7cd10b11f81fe65c751f712bd3708a17156