[INFO] fetching crate k2_tree 0.4.3...
[INFO] testing k2_tree-0.4.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate k2_tree 0.4.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate k2_tree 0.4.3 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 k2_tree 0.4.3
[INFO] finished tweaking crates.io crate k2_tree 0.4.3
[INFO] tweaked toml for crates.io crate k2_tree 0.4.3 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0c6f426599be6cc7a3a1f38adf6c0c20a6b77bd6b07b691853fac6abc31e8dad
[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" "0c6f426599be6cc7a3a1f38adf6c0c20a6b77bd6b07b691853fac6abc31e8dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c6f426599be6cc7a3a1f38adf6c0c20a6b77bd6b07b691853fac6abc31e8dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6f426599be6cc7a3a1f38adf6c0c20a6b77bd6b07b691853fac6abc31e8dad", kill_on_drop: false }`
[INFO] [stdout] 0c6f426599be6cc7a3a1f38adf6c0c20a6b77bd6b07b691853fac6abc31e8dad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5d5e1b2909a778f2df6736eb1597bd0b37e7096114bf7c0f3119494739b35eb0
[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" "5d5e1b2909a778f2df6736eb1597bd0b37e7096114bf7c0f3119494739b35eb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling k2_tree v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "5d5e1b2909a778f2df6736eb1597bd0b37e7096114bf7c0f3119494739b35eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5e1b2909a778f2df6736eb1597bd0b37e7096114bf7c0f3119494739b35eb0", kill_on_drop: false }`
[INFO] [stdout] 5d5e1b2909a778f2df6736eb1597bd0b37e7096114bf7c0f3119494739b35eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2eb3fea71bc46ff0bf96709997927e6e2868e85e6d977fa8604153a413e74f70
[INFO] running `Command { std: "docker" "start" "-a" "2eb3fea71bc46ff0bf96709997927e6e2868e85e6d977fa8604153a413e74f70", kill_on_drop: false }`
[INFO] [stderr]    Compiling k2_tree v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "2eb3fea71bc46ff0bf96709997927e6e2868e85e6d977fa8604153a413e74f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb3fea71bc46ff0bf96709997927e6e2868e85e6d977fa8604153a413e74f70", kill_on_drop: false }`
[INFO] [stdout] 2eb3fea71bc46ff0bf96709997927e6e2868e85e6d977fa8604153a413e74f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] ac2cdc8091fdf964f30f0beb9bca11e1a51fd5c36181e1f3a25a954d17d15a77
[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" "ac2cdc8091fdf964f30f0beb9bca11e1a51fd5c36181e1f3a25a954d17d15a77", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/k2_tree-eb4822036869b267
[INFO] [stdout] 
[INFO] [stdout] running 80 tests
[INFO] [stdout] test matrix::api::get ... ok
[INFO] [stdout] test matrix::api::get_column ... ok
[INFO] [stdout] test matrix::api::from_bits ... ok
[INFO] [stdout] test matrix::api::get_row ... ok
[INFO] [stdout] test matrix::api::into_bits ... ok
[INFO] [stdout] test matrix::api::into_rows ... ok
[INFO] [stdout] test matrix::api::new ... ok
[INFO] [stdout] test matrix::api::resize_width_grow ... ok
[INFO] [stdout] test tree::datastore::api::from_matrix ... ok
[INFO] [stdout] test matrix::api::with_dimensions ... ok
[INFO] [stdout] test matrix::api::into_columns ... ok
[INFO] [stdout] test matrix::api::resize_height_shrink ... ok
[INFO] [stdout] test matrix::api::resize_height_grow ... ok
[INFO] [stdout] test matrix::api::set ... ok
[INFO] [stdout] test matrix::api::to_rows ... ok
[INFO] [stdout] test matrix::api::resize_width_shrink ... ok
[INFO] [stdout] test matrix::api::to_columns ... ok
[INFO] [stdout] test matrix::api::to_bits ... ok
[INFO] [stdout] test matrix::api::shrink_to_fit ... ok
[INFO] [stdout] test tree::datastore::api::get_column ... ok
[INFO] [stdout] test tree::datastore::api::get_row ... ok
[INFO] [stdout] test tree::datastore::api::leaves_0 ... ok
[INFO] [stdout] test tree::datastore::api::is_empty_0 ... ok
[INFO] [stdout] test tree::datastore::api::get ... ok
[INFO] [stdout] test tree::datastore::api::new ... ok
[INFO] [stdout] test tree::datastore::api::matrix_width_and_grow_1 ... ok
[INFO] [stdout] test tree::datastore::api::leaves_raw_0 ... ok
[INFO] [stdout] test tree::datastore::api::matrix_width_and_grow_0 ... ok
[INFO] [stdout] test tree::datastore::api::is_empty_1 ... ok
[INFO] [stdout] test tree::datastore::api::leaves_raw_1 ... ok
[INFO] [stdout] test tree::datastore::api::stem_k ... ok
[INFO] [stdout] test tree::datastore::api::shrink ... ok
[INFO] [stdout] test tree::datastore::api::stems_0 ... ok
[INFO] [stdout] test tree::datastore::api::stems_1 ... ok
[INFO] [stdout] test tree::datastore::api::shrink_if_possible ... ok
[INFO] [stdout] test tree::datastore::api::shrink_unchecked ... ok
[INFO] [stdout] test tree::datastore::api::set_leaf_k_0 ... ok
[INFO] [stdout] test tree::datastore::api::set_leaf_k_1 ... ok
[INFO] [stdout] test tree::datastore::api::into_matrix ... ok
[INFO] [stdout] test tree::datastore::api::leaves_1 ... ok
[INFO] [stdout] test tree::datastore::api::stems_raw_0 ... ok
[INFO] [stdout] test tree::datastore::api::stems_raw_2 ... ok
[INFO] [stdout] test tree::datastore::api::with_k_1 ... ok
[INFO] [stdout] test tree::datastore::api::set_stem_k_0 ... ok
[INFO] [stdout] test tree::datastore::api::stems_raw_1 ... ok
[INFO] [stdout] test tree::datastore::api::set_stem_k_1 ... ok
[INFO] [stdout] test tree::datastore::api::set_stem_k_2 ... ok
[INFO] [stdout] test tree::datastore::api::with_k_0 ... ok
[INFO] [stdout] test tree::datastore::api::set_leaf_k_2 ... ok
[INFO] [stdout] test tree::datastore::api::stems_2 ... ok
[INFO] [stdout] test tree::datastore::misc::display ... ok
[INFO] [stdout] test tree::datastore::util::get_coords_0 ... ok
[INFO] [stdout] test tree::datastore::util::one_positions_0 ... ok
[INFO] [stdout] test tree::datastore::misc::eq ... ok
[INFO] [stdout] test tree::datastore::api::set_0 ... ok
[INFO] [stdout] test tree::datastore::api::to_matrix ... ok
[INFO] [stdout] test tree::datastore::util::layer_start_0 ... ok
[INFO] [stdout] test tree::datastore::misc::is_send ... ok
[INFO] [stdout] test tree::datastore::misc::is_sync ... ok
[INFO] [stdout] test tree::datastore::util::all_zeroes_0 ... ok
[INFO] [stdout] test tree::datastore::util::ones_in_range_0 ... ok
[INFO] [stdout] test tree::datastore::util::stem_layer_start_0 ... ok
[INFO] [stdout] test tree::datastore::util::layer_start_1 ... ok
[INFO] [stdout] test tree::range_tests::subranges_from_range2d_0 ... ok
[INFO] [stdout] test tree::datastore::util::stem_layer_len_2 ... ok
[INFO] [stdout] test tree::range_tests::subranges_from_range2d_1 ... ok
[INFO] [stdout] test tree::datastore::util::child_stem_0 ... ok
[INFO] [stdout] test tree::datastore::util::stem_layer_start_1 ... ok
[INFO] [stdout] test tree::datastore::util::parent_stem_0 ... ok
[INFO] [stdout] test tree::datastore::util::stem_layer_len_0 ... ok
[INFO] [stdout] test tree::range_tests::subranges_from_range2d_2 ... ok
[INFO] [stdout] test tree::datastore::util::stem_layer_len_1 ... ok
[INFO] [stdout] test tree::datastore::util::stem_to_leaf_start_0 ... ok
[INFO] [stdout] test tree::datastore::util::stem_layer_start_2 ... ok
[INFO] [stdout] test tree::datastore::util::parent_bit_0 ... ok
[INFO] [stdout] test tree::datastore::api::set_1 ... ok
[INFO] [stdout] test tree::datastore::many_k::build ... ok
[INFO] [stdout] test tree::datastore::api::set_3 ... ok
[INFO] [stdout] test tree::datastore::api::set_2 ... ok
[INFO] [stdout] test tree::datastore::misc::flood ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 80 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests k2_tree
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - (line 28) ... ignored
[INFO] [stdout] test src/lib.rs - (line 50) ... ignored
[INFO] [stdout] test src/lib.rs - (line 68) ... ignored
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree (line 17) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::matrix_width (line 523) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::set_leaf_k (line 119) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::get (line 142) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::from_matrix (line 740) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::shrink_unchecked (line 654) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::set_stem_k (line 99) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::grow (line 570) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::into_matrix (line 674) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::new (line 48) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::shrink_if_possible (line 598) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::to_matrix (line 707) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::get_column (line 241) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::set (line 295) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::get_row (line 187) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::shrink (line 619) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::with_k (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac2cdc8091fdf964f30f0beb9bca11e1a51fd5c36181e1f3a25a954d17d15a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2cdc8091fdf964f30f0beb9bca11e1a51fd5c36181e1f3a25a954d17d15a77", kill_on_drop: false }`
[INFO] [stdout] ac2cdc8091fdf964f30f0beb9bca11e1a51fd5c36181e1f3a25a954d17d15a77