[INFO] fetching crate treers 0.1.2...
[INFO] testing treers-0.1.2 against 1.47.0 for beta-1.48-1
[INFO] extracting crate treers 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate treers 0.1.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treers 0.1.2
[INFO] finished tweaking crates.io crate treers 0.1.2
[INFO] tweaked toml for crates.io crate treers 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate treers 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7b503ae2d12fc92d3a6c5bb76ceac986ad51d5de5cac2562090c608a85d59af
[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" "d7b503ae2d12fc92d3a6c5bb76ceac986ad51d5de5cac2562090c608a85d59af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b503ae2d12fc92d3a6c5bb76ceac986ad51d5de5cac2562090c608a85d59af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b503ae2d12fc92d3a6c5bb76ceac986ad51d5de5cac2562090c608a85d59af", kill_on_drop: false }`
[INFO] [stdout] d7b503ae2d12fc92d3a6c5bb76ceac986ad51d5de5cac2562090c608a85d59af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce029b6a449fd6e8b5f83a72b39225a41bd5459f77a05a90c1e282499acac78
[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" "cce029b6a449fd6e8b5f83a72b39225a41bd5459f77a05a90c1e282499acac78", kill_on_drop: false }`
[INFO] [stderr]    Compiling treers v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "cce029b6a449fd6e8b5f83a72b39225a41bd5459f77a05a90c1e282499acac78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce029b6a449fd6e8b5f83a72b39225a41bd5459f77a05a90c1e282499acac78", kill_on_drop: false }`
[INFO] [stdout] cce029b6a449fd6e8b5f83a72b39225a41bd5459f77a05a90c1e282499acac78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cb24f2e11664616e304a86d55682f4fbaa42ca12ff3b0056e4d26a0336381af
[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" "9cb24f2e11664616e304a86d55682f4fbaa42ca12ff3b0056e4d26a0336381af", kill_on_drop: false }`
[INFO] [stderr]    Compiling treers v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "9cb24f2e11664616e304a86d55682f4fbaa42ca12ff3b0056e4d26a0336381af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb24f2e11664616e304a86d55682f4fbaa42ca12ff3b0056e4d26a0336381af", kill_on_drop: false }`
[INFO] [stdout] 9cb24f2e11664616e304a86d55682f4fbaa42ca12ff3b0056e4d26a0336381af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5184d44f90dcb122972701fa93cca89b71e073910b13e2182fde2711d50c9709
[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" "5184d44f90dcb122972701fa93cca89b71e073910b13e2182fde2711d50c9709", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/treers-1a81b3b8fd6c5258
[INFO] [stdout] running 53 tests
[INFO] [stdout] test bst::tests::test_is_empty ... ok
[INFO] [stdout] test bst::tests::test_get ... ok
[INFO] [stdout] test bst::tests::test_in_order ... ok
[INFO] [stdout] test bst::tests::test_min ... ok
[INFO] [stdout] test bst::tests::test_max ... ok
[INFO] [stdout] test bst::tests::test_post_order ... ok
[INFO] [stdout] test btree::tests::test_contains ... ok
[INFO] [stdout] test bst::tests::test_pre_order ... ok
[INFO] [stdout] test btree::tests::test_is_empty ... ok
[INFO] [stdout] test btree::tests::test_get ... ok
[INFO] [stdout] test bst::tests::test_put ... ok
[INFO] [stdout] test bst::tests::test_contains ... ok
[INFO] [stdout] test bst::tests::test_is_not_empty ... ok
[INFO] [stdout] test bst::tests::test_level_order ... ok
[INFO] [stdout] test bst::tests::test_size_zero ... ok
[INFO] [stdout] test rbtree::tests::test_get ... ok
[INFO] [stdout] test bst::tests::test_size_two ... ok
[INFO] [stdout] test btree::tests::test_size_zero ... ok
[INFO] [stdout] test rbtree::tests::test_contains ... ok
[INFO] [stdout] test rbtree::tests::test_is_empty ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_post_order ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_pre_order ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_level_order ... ok
[INFO] [stdout] test rbtree::tests::test_random_in_order ... ok
[INFO] [stdout] test rbtree::tests::test_random_level_order ... ok
[INFO] [stdout] test rbtree::tests::test_random_post_order ... ok
[INFO] [stdout] test rbtree::tests::test_random_pre_order ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_in_order ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_level_order ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_max ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_min ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_post_order ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_pre_order ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_size_and_height ... ok
[INFO] [stdout] test rbtree::tests::test_put ... ok
[INFO] [stdout] test rbtree::tests::test_is_not_empty ... ok
[INFO] [stdout] test btree::tests::test_put ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_min ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_size_and_height ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_in_order ... ok
[INFO] [stdout] test rbtree::tests::test_shuffle_max ... ok
[INFO] [stdout] test btree::tests::test_left_rotate_one_thousand ... ok
[INFO] [stdout] test tests::its_42 ... ok
[INFO] [stdout] test rbtree::tests::test_size_zero ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test btree::tests::test_is_not_empty ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_thousand ... ok
[INFO] [stdout] test bst::tests::test_index_panic ... ok
[INFO] [stdout] test btree::tests::test_index_panic ... ok
[INFO] [stdout] test rbtree::tests::test_index_panic ... ok
[INFO] [stdout] test btree::tests::test_right_rotate_one_thousand ... ok
[INFO] [stdout] test bst::tests::test_size_and_height_one_thousand ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_thousand ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests treers
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::new (line 51) ... ok
[INFO] [stdout] test src/btree.rs - btree::BalancedTree (line 46) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::height (line 182) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::post_order (line 398) ... ok
[INFO] [stdout] test src/btree.rs - btree::BalancedTree<K, V>::get (line 123) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::size (line 68) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::put (line 132) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::level_order (line 437) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST (line 11) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::max (line 280) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::pre_order (line 320) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::min (line 242) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::is_empty (line 219) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::get (line 99) ... ok
[INFO] [stdout] test src/btree.rs - btree::BalancedTree<K, V>::height (line 183) ... ok
[INFO] [stdout] test src/bst.rs - bst::BST<K, V>::in_order (line 359) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::get (line 127) ... ok
[INFO] [stdout] test src/btree.rs - btree::BalancedTree<K, V>::put (line 147) ... ok
[INFO] [stdout] test src/lib.rs - TreeTraversal (line 63) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::in_order (line 370) ... ok
[INFO] [stdout] test src/btree.rs - btree::BalancedTree<K, V>::new (line 79) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::height (line 188) ... ok
[INFO] [stdout] test src/btree.rs - btree::BalancedTree<K, V>::min (line 218) ... ok
[INFO] [stdout] test src/btree.rs - btree::BalancedTree<K, V>::max (line 252) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree (line 11) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::is_empty (line 223) ... ok
[INFO] [stdout] test src/lib.rs - SedgewickMap::contains (line 22) ... ok
[INFO] [stdout] test src/btree.rs - btree::BalancedTree<K, V>::size (line 100) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::new (line 78) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::level_order (line 458) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::max (line 285) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::min (line 246) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::pre_order (line 326) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::post_order (line 414) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::size (line 95) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RedBlackTree<K, V>::put (line 161) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5184d44f90dcb122972701fa93cca89b71e073910b13e2182fde2711d50c9709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5184d44f90dcb122972701fa93cca89b71e073910b13e2182fde2711d50c9709", kill_on_drop: false }`
[INFO] [stdout] 5184d44f90dcb122972701fa93cca89b71e073910b13e2182fde2711d50c9709
