[INFO] fetching crate toposort-scc 0.5.4...
[INFO] testing toposort-scc-0.5.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate toposort-scc 0.5.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate toposort-scc 0.5.4 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 toposort-scc 0.5.4
[INFO] finished tweaking crates.io crate toposort-scc 0.5.4
[INFO] tweaked toml for crates.io crate toposort-scc 0.5.4 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 20145800c900fd9b36cb77fe1861f0f1f109fb0f686ed2a9f01049b209b1f79e
[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" "20145800c900fd9b36cb77fe1861f0f1f109fb0f686ed2a9f01049b209b1f79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20145800c900fd9b36cb77fe1861f0f1f109fb0f686ed2a9f01049b209b1f79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20145800c900fd9b36cb77fe1861f0f1f109fb0f686ed2a9f01049b209b1f79e", kill_on_drop: false }`
[INFO] [stdout] 20145800c900fd9b36cb77fe1861f0f1f109fb0f686ed2a9f01049b209b1f79e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e85df9f53e85f87a76fb7036b3028119b0d67091eaa5013710a59def1e1945d7
[INFO] running `Command { std: "docker" "start" "-a" "e85df9f53e85f87a76fb7036b3028119b0d67091eaa5013710a59def1e1945d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling toposort-scc v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "e85df9f53e85f87a76fb7036b3028119b0d67091eaa5013710a59def1e1945d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85df9f53e85f87a76fb7036b3028119b0d67091eaa5013710a59def1e1945d7", kill_on_drop: false }`
[INFO] [stdout] e85df9f53e85f87a76fb7036b3028119b0d67091eaa5013710a59def1e1945d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 47aa02117456bdd74eb312cd1ec4f21e363fc3768082ae1cb5ad0b782095f9d5
[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" "47aa02117456bdd74eb312cd1ec4f21e363fc3768082ae1cb5ad0b782095f9d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling toposort-scc v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "47aa02117456bdd74eb312cd1ec4f21e363fc3768082ae1cb5ad0b782095f9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47aa02117456bdd74eb312cd1ec4f21e363fc3768082ae1cb5ad0b782095f9d5", kill_on_drop: false }`
[INFO] [stdout] 47aa02117456bdd74eb312cd1ec4f21e363fc3768082ae1cb5ad0b782095f9d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15caccd16b83b51a8e70a43a0b227a93c9e34645e66b552e4fd1f3530365de4e
[INFO] running `Command { std: "docker" "start" "-a" "15caccd16b83b51a8e70a43a0b227a93c9e34645e66b552e4fd1f3530365de4e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/toposort_scc-0ca7ab95f77f8515)
[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 toposort-scc
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - IndexGraph::with_vertices (line 148) ... ok
[INFO] [stdout] test src/lib.rs - IndexGraph::from_graph (line 210) ... ok
[INFO] [stdout] test src/lib.rs - IndexGraph::from_adjacency_list (line 174) ... ok
[INFO] [stdout] test src/lib.rs - IndexGraph::toposort_or_scc (line 522) ... ok
[INFO] [stdout] test src/lib.rs - IndexGraph::toposort (line 370) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - IndexGraph::scc (line 480) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15caccd16b83b51a8e70a43a0b227a93c9e34645e66b552e4fd1f3530365de4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15caccd16b83b51a8e70a43a0b227a93c9e34645e66b552e4fd1f3530365de4e", kill_on_drop: false }`
[INFO] [stdout] 15caccd16b83b51a8e70a43a0b227a93c9e34645e66b552e4fd1f3530365de4e