[INFO] fetching crate binary_search_tree 0.2.2...
[INFO] testing binary_search_tree-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate binary_search_tree 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate binary_search_tree 0.2.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f307d67ff02a5e4d1f988f14581fe58eeb8ebf48ac5102fdd3e4f567290b53df
[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" "f307d67ff02a5e4d1f988f14581fe58eeb8ebf48ac5102fdd3e4f567290b53df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f307d67ff02a5e4d1f988f14581fe58eeb8ebf48ac5102fdd3e4f567290b53df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f307d67ff02a5e4d1f988f14581fe58eeb8ebf48ac5102fdd3e4f567290b53df", kill_on_drop: false }`
[INFO] [stdout] f307d67ff02a5e4d1f988f14581fe58eeb8ebf48ac5102fdd3e4f567290b53df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9ebdecc03a23e924a4c9c19f64e1670f39f73f79ee59a39a9f5c7f7598b2c2c
[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" "e9ebdecc03a23e924a4c9c19f64e1670f39f73f79ee59a39a9f5c7f7598b2c2c", 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "e9ebdecc03a23e924a4c9c19f64e1670f39f73f79ee59a39a9f5c7f7598b2c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ebdecc03a23e924a4c9c19f64e1670f39f73f79ee59a39a9f5c7f7598b2c2c", kill_on_drop: false }`
[INFO] [stdout] e9ebdecc03a23e924a4c9c19f64e1670f39f73f79ee59a39a9f5c7f7598b2c2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddc1b6e9a67a55beac388425e9b6d86f80888a8974b118d48cecd5c48a9f492e
[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" "ddc1b6e9a67a55beac388425e9b6d86f80888a8974b118d48cecd5c48a9f492e", 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 2.39s
[INFO] running `Command { std: "docker" "inspect" "ddc1b6e9a67a55beac388425e9b6d86f80888a8974b118d48cecd5c48a9f492e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc1b6e9a67a55beac388425e9b6d86f80888a8974b118d48cecd5c48a9f492e", kill_on_drop: false }`
[INFO] [stdout] ddc1b6e9a67a55beac388425e9b6d86f80888a8974b118d48cecd5c48a9f492e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc81557bee108e1965ff9800aaf6b22917d38121c08f6f6625ff13709db5ded5
[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" "fc81557bee108e1965ff9800aaf6b22917d38121c08f6f6625ff13709db5ded5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/binary_search_tree-0f6101869dc8af1a
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test test::clone ... ok
[INFO] [stdout] test test::basics ... ok
[INFO] [stdout] test test::extract_max ... ok
[INFO] [stdout] test test::extend ... ok
[INFO] [stdout] test test::display ... ok
[INFO] [stdout] test test::extract_min ... ok
[INFO] [stdout] test test::insert_without_duplication ... ok
[INFO] [stderr]    Doc-tests binary_search_tree
[INFO] [stdout] test test::into_sorted_vec ... ok
[INFO] [stdout] test test::partail_eq ... ok
[INFO] [stdout] test test::inorder ... ok
[INFO] [stdout] test test::level_order ... ok
[INFO] [stdout] test test::postorder ... ok
[INFO] [stdout] test test::from_iter ... 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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::contains (line 284) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::into_sorted_vec (line 524) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::clear (line 193) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::len (line 178) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::extract_min (line 418) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::extend (line 89) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree (line 14) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::max (line 325) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::insert_without_dup (line 257) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::extract_max (line 447) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::is_empty (line 161) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::insert (line 230) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::min (line 307) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::from_iter (line 109) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::inorder (line 541) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::new (line 147) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::level_order (line 634) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::root (line 209) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::predecessor (line 383) ... 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>::preorder (line 589) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::remove (line 474) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::reverse_order (line 566) ... ok
[INFO] [stdout] test src/lib.rs - BinarySearchTree<T>::sorted_vec (line 506) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc81557bee108e1965ff9800aaf6b22917d38121c08f6f6625ff13709db5ded5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc81557bee108e1965ff9800aaf6b22917d38121c08f6f6625ff13709db5ded5", kill_on_drop: false }`
[INFO] [stdout] fc81557bee108e1965ff9800aaf6b22917d38121c08f6f6625ff13709db5ded5