[INFO] fetching crate easy_graph 0.1.5...
[INFO] testing easy_graph-0.1.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate easy_graph 0.1.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate easy_graph 0.1.5 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 easy_graph 0.1.5
[INFO] finished tweaking crates.io crate easy_graph 0.1.5
[INFO] tweaked toml for crates.io crate easy_graph 0.1.5 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2ea90a71d1ae82f083a439cccfab0ad04c7ccb1933a4c682450fe81bdf5bbfa9
[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" "2ea90a71d1ae82f083a439cccfab0ad04c7ccb1933a4c682450fe81bdf5bbfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ea90a71d1ae82f083a439cccfab0ad04c7ccb1933a4c682450fe81bdf5bbfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea90a71d1ae82f083a439cccfab0ad04c7ccb1933a4c682450fe81bdf5bbfa9", kill_on_drop: false }`
[INFO] [stdout] 2ea90a71d1ae82f083a439cccfab0ad04c7ccb1933a4c682450fe81bdf5bbfa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c04df4c4ba3a4101157ad7c833d70b8c17e8a6f686073f4d93768c96767dd68f
[INFO] running `Command { std: "docker" "start" "-a" "c04df4c4ba3a4101157ad7c833d70b8c17e8a6f686073f4d93768c96767dd68f", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy_graph v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "c04df4c4ba3a4101157ad7c833d70b8c17e8a6f686073f4d93768c96767dd68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04df4c4ba3a4101157ad7c833d70b8c17e8a6f686073f4d93768c96767dd68f", kill_on_drop: false }`
[INFO] [stdout] c04df4c4ba3a4101157ad7c833d70b8c17e8a6f686073f4d93768c96767dd68f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 41e0713941c830e30473764957a1a9be4efe78e8a7000e49484c50804e5bb5d5
[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" "41e0713941c830e30473764957a1a9be4efe78e8a7000e49484c50804e5bb5d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy_graph v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "41e0713941c830e30473764957a1a9be4efe78e8a7000e49484c50804e5bb5d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e0713941c830e30473764957a1a9be4efe78e8a7000e49484c50804e5bb5d5", kill_on_drop: false }`
[INFO] [stdout] 41e0713941c830e30473764957a1a9be4efe78e8a7000e49484c50804e5bb5d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 80602d676dfedab2022c51b3cb63c5d28f80ad510156a00044d548921d19daef
[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" "80602d676dfedab2022c51b3cb63c5d28f80ad510156a00044d548921d19daef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/easy_graph-571ce4fd8551363b)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::add_edge ... ok
[INFO] [stdout] test tests::add_vertex ... ok
[INFO] [stdout] test tests::from_data ... ok
[INFO] [stdout] test tests::remove_edge ... ok
[INFO] [stdout] test tests::remove_vertex ... ok
[INFO] [stdout] test tests::into_connected_graphs ... ok
[INFO] [stdout] test tests::remove_weak_connected ... ok
[INFO] [stdout] test tests::take_connected_graph ... ok
[INFO] [stdout] test tests::verts_with_path_to ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests easy_graph
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Graph<T>::remove_weak_connected (line 179) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80602d676dfedab2022c51b3cb63c5d28f80ad510156a00044d548921d19daef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80602d676dfedab2022c51b3cb63c5d28f80ad510156a00044d548921d19daef", kill_on_drop: false }`
[INFO] [stdout] 80602d676dfedab2022c51b3cb63c5d28f80ad510156a00044d548921d19daef