[INFO] fetching crate topological-sort 0.3.1...
[INFO] testing topological-sort-0.3.1 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate topological-sort 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate topological-sort 0.3.1
[INFO] finished tweaking crates.io crate topological-sort 0.3.1
[INFO] tweaked toml for crates.io crate topological-sort 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate topological-sort 0.3.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate topological-sort 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.2.0
[INFO] [stderr]   Downloaded quickcheck v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577
[INFO] running `Command { std: "docker" "start" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling log v0.4.33
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling rand v0.10.2
[INFO] [stderr]    Compiling regex-automata v0.4.16
[INFO] [stderr]    Compiling quickcheck_macros v1.2.0
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling env_filter v2.0.0
[INFO] [stderr]    Compiling env_logger v0.11.11
[INFO] [stderr]    Compiling quickcheck v1.1.0
[INFO] [stderr]    Compiling topological-sort v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.08s
[INFO] running `Command { std: "docker" "inspect" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/topological_sort-b753f6c40c31cfd9)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::add_link_can_create_a_cycle_that_blocks_remaining_elements ... ok
[INFO] [stdout] test tests::pop_returns_none_when_remaining_elements_are_cyclic ... ok
[INFO] [stdout] test tests::items_and_into_items_iterate_all_remaining_items ... ok
[INFO] [stdout] test tests::pop_batch_returns_all_currently_ready_items ... ok
[INFO] [stdout] test tests::pop_iter_stops_on_a_cycle ... ok
[INFO] [stdout] test tests::remove_removes_item_only_if_exists_and_ready ... ok
[INFO] [stdout] test tests::add_link_returns_true_if_new_dependency_link_created ... ok
[INFO] [stdout] test tests::self_dependency_blocks_the_remaining_element ... ok
[INFO] [stdout] test tests::add_dependency_returns_true_if_new_dependency_link_created ... ok
[INFO] [stdout] test tests::pop_iter_iterates_all_items_in_topological_order ... ok
[INFO] [stdout] test tests::quickcheck_topological_sort_invariants ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests topological_sort
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::pop_batch (line 391) ... ok
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::remove (line 508) ... ok
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::add_dependency (line 239) ... ok
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::peek_batch (line 462) ... ok
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::pop (line 320) ... ok
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::insert (line 293) ... ok
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::pop_iter (line 347) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::peek (line 425) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::add_link (line 273) ... ok
[INFO] [stdout] test src/lib.rs - (line 107) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.72s; merged doctests compilation took 0.69s
[INFO] running `Command { std: "docker" "inspect" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577", kill_on_drop: false }`
[INFO] [stdout] 6ec40172e543e2e41ba81aad9fa27a3ecc7067e256f5307de2cf6b6bbb2c6577
