[INFO] fetching crate rtrees 0.1.0...
[INFO] testing rtrees-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rtrees 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rtrees 0.1.0 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 rtrees 0.1.0
[INFO] finished tweaking crates.io crate rtrees 0.1.0
[INFO] tweaked toml for crates.io crate rtrees 0.1.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 94c33bbd64e50543f46e338290f448f16a4a1a7125bfc2b54f06f049847f0b80
[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" "94c33bbd64e50543f46e338290f448f16a4a1a7125bfc2b54f06f049847f0b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94c33bbd64e50543f46e338290f448f16a4a1a7125bfc2b54f06f049847f0b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c33bbd64e50543f46e338290f448f16a4a1a7125bfc2b54f06f049847f0b80", kill_on_drop: false }`
[INFO] [stdout] 94c33bbd64e50543f46e338290f448f16a4a1a7125bfc2b54f06f049847f0b80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0d4dfeeefae914f00469f20b9c2dd729fbcb78926598cfd434e4502535077116
[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" "0d4dfeeefae914f00469f20b9c2dd729fbcb78926598cfd434e4502535077116", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtrees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "0d4dfeeefae914f00469f20b9c2dd729fbcb78926598cfd434e4502535077116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4dfeeefae914f00469f20b9c2dd729fbcb78926598cfd434e4502535077116", kill_on_drop: false }`
[INFO] [stdout] 0d4dfeeefae914f00469f20b9c2dd729fbcb78926598cfd434e4502535077116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 83aa3a443e02a69415c9461cf6d2f2e8b318353fbab4553cb40b731cf54fd9f6
[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" "83aa3a443e02a69415c9461cf6d2f2e8b318353fbab4553cb40b731cf54fd9f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rtrees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "83aa3a443e02a69415c9461cf6d2f2e8b318353fbab4553cb40b731cf54fd9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83aa3a443e02a69415c9461cf6d2f2e8b318353fbab4553cb40b731cf54fd9f6", kill_on_drop: false }`
[INFO] [stdout] 83aa3a443e02a69415c9461cf6d2f2e8b318353fbab4553cb40b731cf54fd9f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] bef39d30d3e5644830da741c331bc6956945c48344fdf119883ae67596e61212
[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" "bef39d30d3e5644830da741c331bc6956945c48344fdf119883ae67596e61212", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rtrees-a20becaf349f182b
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test ist::tree::ist_tests::test_1_node_tree ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_dictionary_size ... ok
[INFO] [stdout] test bktree::tree::bktree_tests::test_dl_distance ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_n_nodes_inverse_envelop ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_iter_ref ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_n_nodes_overlap ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_n_nodes_envelop ... ok
[INFO] [stdout] test bktree::tree::bktree_tests::test_spell_tree_one_level ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_n_nodes_delete_overlap ... ok
[INFO] [stdout] test rbtree::rbtree_wrapper::rbtree_tests::test_iter_empty ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_n_nodes_delete_at ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_insert ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_iter ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_n_nodes_at ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_empty_tree ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_n_nodes_delete_envelop ... ok
[INFO] [stdout] test ist::tree::ist_tests::test_n_nodes_size ... ok
[INFO] [stdout] test rbtree::rbtree_wrapper::rbtree_tests::test_iter_ref_empty ... ok
[INFO] [stdout] test rbtree::rbtree_wrapper::rbtree_tests::test_search ... ok
[INFO] [stdout] test rbtree::rbtree_wrapper::rbtree_tests::test_iter_ref ... ok
[INFO] [stdout] test rbtree::rbtree_wrapper::rbtree_tests::test_iter ... ok
[INFO] [stdout] test rbtree::rbtree_wrapper::rbtree_tests::test_delete_min ... ok
[INFO] [stdout] test rbtree::rbtree_wrapper::rbtree_tests::test_insert ... ok
[INFO] [stdout] test rbtree::rbtree_wrapper::rbtree_tests::test_delete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtrees
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::new (line 64) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::get_level (line 95) ... ok
[INFO] [stdout] test src/bktree/tree.rs - bktree::tree::SpellTree (line 151) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::envelop_mut (line 227) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::at_mut (line 170) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::insert (line 122) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::inverse_envelop (line 254) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::at (line 145) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::overlap (line 314) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::envelop (line 196) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::inverse_envelop_mut (line 286) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::delete_overlap (line 427) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::delete_at (line 366) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::size (line 75) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::delete_envelop (line 397) ... ok
[INFO] [stdout] test src/rbtree/rbtree_wrapper.rs - rbtree::rbtree_wrapper::RBTree<K, A, V>::search_mut (line 393) ... ok
[INFO] [stdout] test src/ist/tree.rs - ist::tree::IST<K, V>::overlap_mut (line 344) ... ok
[INFO] [stdout] test src/rbtree/rbtree_wrapper.rs - rbtree::rbtree_wrapper::RBTree<K, A, V>::delete_min (line 299) ... ok
[INFO] [stdout] test src/rbtree/rbtree_wrapper.rs - rbtree::rbtree_wrapper::RBTree<K, A, V>::new (line 206) ... ok
[INFO] [stdout] test src/rbtree/rbtree_wrapper.rs - rbtree::rbtree_wrapper::RBTree<K, A, V>::size (line 220) ... ok
[INFO] [stdout] test src/rbtree/rbtree_wrapper.rs - rbtree::rbtree_wrapper::RBTree<K, A, V>::delete (line 460) ... ok
[INFO] [stdout] test src/rbtree/rbtree_wrapper.rs - rbtree::rbtree_wrapper::RBTree<K, A, V>::insert (line 333) ... ok
[INFO] [stdout] test src/rbtree/rbtree_wrapper.rs - rbtree::rbtree_wrapper::RBTree<K, A, V>::get_level (line 242) ... ok
[INFO] [stdout] test src/rbtree/rbtree_wrapper.rs - rbtree::rbtree_wrapper::RBTree<K, A, V>::search (line 365) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bef39d30d3e5644830da741c331bc6956945c48344fdf119883ae67596e61212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef39d30d3e5644830da741c331bc6956945c48344fdf119883ae67596e61212", kill_on_drop: false }`
[INFO] [stdout] bef39d30d3e5644830da741c331bc6956945c48344fdf119883ae67596e61212