[INFO] fetching crate binary_search_tree 0.2.2...
[INFO] testing binary_search_tree-0.2.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate binary_search_tree 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate binary_search_tree 0.2.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate binary_search_tree 0.2.2
[INFO] finished tweaking crates.io crate binary_search_tree 0.2.2
[INFO] tweaked toml for crates.io crate binary_search_tree 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fd608e56b40bc3d4b2fa08c784a6e85e1770259e41b1adf7483ec978e529fe9
[INFO] running `Command { std: "docker" "start" "-a" "0fd608e56b40bc3d4b2fa08c784a6e85e1770259e41b1adf7483ec978e529fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fd608e56b40bc3d4b2fa08c784a6e85e1770259e41b1adf7483ec978e529fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd608e56b40bc3d4b2fa08c784a6e85e1770259e41b1adf7483ec978e529fe9", kill_on_drop: false }`
[INFO] [stdout] 0fd608e56b40bc3d4b2fa08c784a6e85e1770259e41b1adf7483ec978e529fe9
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5182bf7b8a448cc327f61f80e59f3a4597430cce7bfd4e327cd8a75c662069e5
[INFO] running `Command { std: "docker" "start" "-a" "5182bf7b8a448cc327f61f80e59f3a4597430cce7bfd4e327cd8a75c662069e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_search_tree v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "5182bf7b8a448cc327f61f80e59f3a4597430cce7bfd4e327cd8a75c662069e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5182bf7b8a448cc327f61f80e59f3a4597430cce7bfd4e327cd8a75c662069e5", kill_on_drop: false }`
[INFO] [stdout] 5182bf7b8a448cc327f61f80e59f3a4597430cce7bfd4e327cd8a75c662069e5
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d503e30ee83cd15715d13d0fd4699d9c7a4e655849d00a0099817e4aa9f7655f
[INFO] running `Command { std: "docker" "start" "-a" "d503e30ee83cd15715d13d0fd4699d9c7a4e655849d00a0099817e4aa9f7655f", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_search_tree v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "d503e30ee83cd15715d13d0fd4699d9c7a4e655849d00a0099817e4aa9f7655f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d503e30ee83cd15715d13d0fd4699d9c7a4e655849d00a0099817e4aa9f7655f", kill_on_drop: false }`
[INFO] [stdout] d503e30ee83cd15715d13d0fd4699d9c7a4e655849d00a0099817e4aa9f7655f
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e991a2e9ef63470c0cc0aa665311805c3a5ef480d7f6e59d381f7ec3babfcee8
[INFO] running `Command { std: "docker" "start" "-a" "e991a2e9ef63470c0cc0aa665311805c3a5ef480d7f6e59d381f7ec3babfcee8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binary_search_tree-e455906d427bda4c)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test test::basics ... ok
[INFO] [stdout] test test::display ... ok
[INFO] [stdout] test test::extract_min ... ok
[INFO] [stdout] test test::inorder ... ok
[INFO] [stdout] test test::insert_without_duplication ... ok
[INFO] [stdout] test test::extend ... ok
[INFO] [stdout] test test::level_order ... ok
[INFO] [stdout] test test::from_iter ... ok
[INFO] [stdout] test test::clone ... ok
[INFO] [stdout] test test::into_sorted_vec ... ok
[INFO] [stdout] test test::partail_eq ... ok
[INFO] [stdout] test test::extract_max ... ok
[INFO] [stdout] test test::postorder ... ok
[INFO] [stdout] test test::preorder ... ok
[INFO] [stdout] test test::reverse_order ... ok
[INFO] [stdout] test test::successor_and_predecessor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests binary_search_tree
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::inorder (line 541) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::is_empty (line 161) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree (line 14) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::insert_without_dup (line 257) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::from_iter (line 109) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::min (line 307) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::max (line 325) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::new (line 147) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::insert (line 230) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::preorder (line 589) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::extend (line 89) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::sorted_vec (line 506) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::extract_min (line 418) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::contains (line 284) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::clear (line 193) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::into_sorted_vec (line 523) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::extract_max (line 447) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::reverse_order (line 566) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::len (line 178) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::level_order (line 634) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::predecessor (line 383) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::remove (line 474) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::successor (line 347) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::postorder (line 612) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::root (line 209) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e991a2e9ef63470c0cc0aa665311805c3a5ef480d7f6e59d381f7ec3babfcee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e991a2e9ef63470c0cc0aa665311805c3a5ef480d7f6e59d381f7ec3babfcee8", kill_on_drop: false }`
[INFO] [stdout] e991a2e9ef63470c0cc0aa665311805c3a5ef480d7f6e59d381f7ec3babfcee8