[INFO] fetching crate lz_eytzinger_tree 0.3.0...
[INFO] testing lz_eytzinger_tree-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lz_eytzinger_tree 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate lz_eytzinger_tree 0.3.0 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 lz_eytzinger_tree 0.3.0
[INFO] finished tweaking crates.io crate lz_eytzinger_tree 0.3.0
[INFO] tweaked toml for crates.io crate lz_eytzinger_tree 0.3.0 written to /workspace/builds/worker-11/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] [stderr]     Blocking waiting for file lock on package cache
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e0e4883b13d729600e51955ed4149fe17f26a18e2dba398d7f6b62ac45386780
[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" "e0e4883b13d729600e51955ed4149fe17f26a18e2dba398d7f6b62ac45386780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0e4883b13d729600e51955ed4149fe17f26a18e2dba398d7f6b62ac45386780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e4883b13d729600e51955ed4149fe17f26a18e2dba398d7f6b62ac45386780", kill_on_drop: false }`
[INFO] [stdout] e0e4883b13d729600e51955ed4149fe17f26a18e2dba398d7f6b62ac45386780
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] a1c0e71074614bea0a0cd480dfe9786a1b651f0fe16fb3396cf0c79b1c0acccc
[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" "a1c0e71074614bea0a0cd480dfe9786a1b651f0fe16fb3396cf0c79b1c0acccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling lz_eytzinger_tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "a1c0e71074614bea0a0cd480dfe9786a1b651f0fe16fb3396cf0c79b1c0acccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c0e71074614bea0a0cd480dfe9786a1b651f0fe16fb3396cf0c79b1c0acccc", kill_on_drop: false }`
[INFO] [stdout] a1c0e71074614bea0a0cd480dfe9786a1b651f0fe16fb3396cf0c79b1c0acccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f7e0b13b67f970ebd33d3c1e5e39cc8a9ee20a325aa00bc1e4ee7603d40cd03e
[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" "f7e0b13b67f970ebd33d3c1e5e39cc8a9ee20a325aa00bc1e4ee7603d40cd03e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lz_eytzinger_tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "f7e0b13b67f970ebd33d3c1e5e39cc8a9ee20a325aa00bc1e4ee7603d40cd03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e0b13b67f970ebd33d3c1e5e39cc8a9ee20a325aa00bc1e4ee7603d40cd03e", kill_on_drop: false }`
[INFO] [stdout] f7e0b13b67f970ebd33d3c1e5e39cc8a9ee20a325aa00bc1e4ee7603d40cd03e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ae6c4bb87d932f86e8c1385e0c57894177933b7e1b0f31fe7edcf4b8a74a3828
[INFO] running `Command { std: "docker" "start" "-a" "ae6c4bb87d932f86e8c1385e0c57894177933b7e1b0f31fe7edcf4b8a74a3828", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lz_eytzinger_tree-2c51d94dfdf090b4)
[INFO] [stdout] test node_mut::tests::split_off ... ok
[INFO] [stdout] test tests::breadth_first_iter_returns_empty_for_empty_tree ... ok
[INFO] [stdout] test tests::depth_first_iter_returns_depth_first ... ok
[INFO] [stdout] test tests::breadth_first_iter_returns_breadth_first ... ok
[INFO] [stdout] test tests::into_depth_first_iterator_post_order ... ok
[INFO] [stderr]    Doc-tests lz_eytzinger_tree
[INFO] [stdout] test tests::into_depth_first_iterator_pre_order ... ok
[INFO] [stdout] test tests::root_is_none_for_empty ... ok
[INFO] [stdout] test tests::set_root_value_sets_root ... ok
[INFO] [stdout] test tests::depth_first_iter_returns_empty_for_empty_tree ... ok
[INFO] [stdout] test node::test::breadth_first_iter_returns_breadth_first ... ok
[INFO] [stdout] test tests::into_breadth_first_iterator_returns_breadth_first ... 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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/node.rs - node::Node::value (line 57) ... ok
[INFO] [stdout] test src/node_mut.rs - node_mut::NodeMut::value_mut (line 48) ... ok
[INFO] [stdout] test src/node.rs - node::Node::child (line 104) ... ok
[INFO] [stdout] test src/node_mut.rs - node_mut::NodeMut::remove (line 161) ... ok
[INFO] [stdout] test src/node_mut.rs - node_mut::NodeMut::child_iter (line 203) ... ok
[INFO] [stdout] test src/node.rs - node::Node::tree (line 33) ... ok
[INFO] [stdout] test src/node.rs - node::Node::parent (line 80) ... ok
[INFO] [stdout] test src/lib.rs - EytzingerTree<N>::root_entry (line 154) ... ok
[INFO] [stdout] test src/node_mut.rs - node_mut::NodeMut::value (line 28) ... ok
[INFO] [stdout] test src/node.rs - node::Node::child_iter (line 129) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae6c4bb87d932f86e8c1385e0c57894177933b7e1b0f31fe7edcf4b8a74a3828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6c4bb87d932f86e8c1385e0c57894177933b7e1b0f31fe7edcf4b8a74a3828", kill_on_drop: false }`
[INFO] [stdout] ae6c4bb87d932f86e8c1385e0c57894177933b7e1b0f31fe7edcf4b8a74a3828