[INFO] fetching crate btree_network 0.2.3...
[INFO] testing btree_network-0.2.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate btree_network 0.2.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate btree_network 0.2.3 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 btree_network 0.2.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate btree_network 0.2.3
[INFO] tweaked toml for crates.io crate btree_network 0.2.3 written to /workspace/builds/worker-15/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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 0dc7e0b1b7fbac45774ea949c49e0ded4df602c0668ce16680bc285c75946e40
[INFO] running `Command { std: "docker" "start" "-a" "0dc7e0b1b7fbac45774ea949c49e0ded4df602c0668ce16680bc285c75946e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dc7e0b1b7fbac45774ea949c49e0ded4df602c0668ce16680bc285c75946e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc7e0b1b7fbac45774ea949c49e0ded4df602c0668ce16680bc285c75946e40", kill_on_drop: false }`
[INFO] [stdout] 0dc7e0b1b7fbac45774ea949c49e0ded4df602c0668ce16680bc285c75946e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] c7b487d69bb43ec744bd991860e8e300604798c79ffcc6058d246131961e75cf
[INFO] running `Command { std: "docker" "start" "-a" "c7b487d69bb43ec744bd991860e8e300604798c79ffcc6058d246131961e75cf", 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 btree_network v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "c7b487d69bb43ec744bd991860e8e300604798c79ffcc6058d246131961e75cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b487d69bb43ec744bd991860e8e300604798c79ffcc6058d246131961e75cf", kill_on_drop: false }`
[INFO] [stdout] c7b487d69bb43ec744bd991860e8e300604798c79ffcc6058d246131961e75cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 2f0bf78981b3d06391ab4a1666eff139bd1e33cb9667d0e4327da3ca0ed65784
[INFO] running `Command { std: "docker" "start" "-a" "2f0bf78981b3d06391ab4a1666eff139bd1e33cb9667d0e4327da3ca0ed65784", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling libc v0.2.101
[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 scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling either v1.6.1
[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 bitflags v1.3.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[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 ryu v1.0.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling btree_network v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 30.71s
[INFO] running `Command { std: "docker" "inspect" "2f0bf78981b3d06391ab4a1666eff139bd1e33cb9667d0e4327da3ca0ed65784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0bf78981b3d06391ab4a1666eff139bd1e33cb9667d0e4327da3ca0ed65784", kill_on_drop: false }`
[INFO] [stdout] 2f0bf78981b3d06391ab4a1666eff139bd1e33cb9667d0e4327da3ca0ed65784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 9b53f55eb8f4edcd66fb749006f0e7ffcc0b68f90b0492437ad48ea4bbf2cf2f
[INFO] running `Command { std: "docker" "start" "-a" "9b53f55eb8f4edcd66fb749006f0e7ffcc0b68f90b0492437ad48ea4bbf2cf2f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/btree_network-9585910ef0b5feed)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test network::test::unit_tests::definition ... ok
[INFO] [stdout] test network::test::unit_tests::add_edge ... ok
[INFO] [stdout] test network::test::unit_tests::adjacent ... ok
[INFO] [stdout] test network::test::unit_tests::connections ... ok
[INFO] [stdout] test network::test::unit_tests::get_vertex_value ... ok
[INFO] [stdout] test network::test::unit_tests::add_vertex ... ok
[INFO] [stdout] test network::test::unit_tests::new_and_default ... ok
[INFO] [stdout] test network::test::unit_tests::remove_edge ... ok
[INFO] [stdout] test network::test::unit_tests::test_network ... ok
[INFO] [stdout] test network::test::unit_tests::vertices ... ok
[INFO] [stdout] test network::test::unit_tests::remove_vertex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/integration-c2e456d4ee1a02f1)
[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] [stderr]    Doc-tests btree_network
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/network/api.rs - network::api::Vertices (line 7) ... ok
[INFO] [stdout] test src/network/api.rs - network::api::GetVertexValue (line 66) ... ok
[INFO] [stdout] test src/network/api.rs - network::api::AddEdge (line 42) ... ok
[INFO] [stdout] test src/network/api.rs - network::api::Adjacent (line 145) ... ok
[INFO] [stdout] test src/network/api.rs - network::api::Connections (line 168) ... ok
[INFO] [stdout] test src/network/api.rs - network::api::AddVertex (line 24) ... ok
[INFO] [stdout] test src/network/api.rs - network::api::RemoveEdge (line 89) ... ok
[INFO] [stdout] test src/network/api.rs - network::api::RemoveVertex (line 113) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b53f55eb8f4edcd66fb749006f0e7ffcc0b68f90b0492437ad48ea4bbf2cf2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b53f55eb8f4edcd66fb749006f0e7ffcc0b68f90b0492437ad48ea4bbf2cf2f", kill_on_drop: false }`
[INFO] [stdout] 9b53f55eb8f4edcd66fb749006f0e7ffcc0b68f90b0492437ad48ea4bbf2cf2f