[INFO] crate k2_tree 0.2.2 is already in cache
[INFO] testing k2_tree-0.2.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate k2_tree 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate k2_tree 0.2.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate k2_tree 0.2.2
[INFO] finished tweaking crates.io crate k2_tree 0.2.2
[INFO] tweaked toml for crates.io crate k2_tree 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 190017ab2ea1288acc2f313d911905ae5cce4401a611f694bc2a97a59c5d56f9
[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" "190017ab2ea1288acc2f313d911905ae5cce4401a611f694bc2a97a59c5d56f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "190017ab2ea1288acc2f313d911905ae5cce4401a611f694bc2a97a59c5d56f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190017ab2ea1288acc2f313d911905ae5cce4401a611f694bc2a97a59c5d56f9", kill_on_drop: false }`
[INFO] [stdout] 190017ab2ea1288acc2f313d911905ae5cce4401a611f694bc2a97a59c5d56f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6488f0e53a9210bacd649865af0e4866831e7f6da92c831cf83d46efeb509ceb
[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" "6488f0e53a9210bacd649865af0e4866831e7f6da92c831cf83d46efeb509ceb", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling k2_tree v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "6488f0e53a9210bacd649865af0e4866831e7f6da92c831cf83d46efeb509ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6488f0e53a9210bacd649865af0e4866831e7f6da92c831cf83d46efeb509ceb", kill_on_drop: false }`
[INFO] [stdout] 6488f0e53a9210bacd649865af0e4866831e7f6da92c831cf83d46efeb509ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d4c6b702e078526e47e6ddeb1dea2a0ba0159a8bed812d9c21af3fba2342551
[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" "4d4c6b702e078526e47e6ddeb1dea2a0ba0159a8bed812d9c21af3fba2342551", kill_on_drop: false }`
[INFO] [stderr]    Compiling k2_tree v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "4d4c6b702e078526e47e6ddeb1dea2a0ba0159a8bed812d9c21af3fba2342551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4c6b702e078526e47e6ddeb1dea2a0ba0159a8bed812d9c21af3fba2342551", kill_on_drop: false }`
[INFO] [stdout] 4d4c6b702e078526e47e6ddeb1dea2a0ba0159a8bed812d9c21af3fba2342551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f037ab1ec231852101f6e6dbc6d14be2642f85ced74f48d0e9b978329eb40f0b
[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" "f037ab1ec231852101f6e6dbc6d14be2642f85ced74f48d0e9b978329eb40f0b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/k2_tree-9ceb7927011dccc5
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test matrix::api::get ... ok
[INFO] [stdout] test matrix::api::resize_height_shrink ... ok
[INFO] [stdout] test matrix::api::with_dimensions ... ok
[INFO] [stdout] test tree::datastore::api::from_matrix ... ok
[INFO] [stdout] test matrix::api::to_rows ... ok
[INFO] [stdout] test matrix::api::from_bits ... ok
[INFO] [stdout] test matrix::api::set ... ok
[INFO] [stdout] test matrix::api::resize_height_grow ... ok
[INFO] [stdout] test matrix::api::get_row ... ok
[INFO] [stdout] test matrix::api::new ... ok
[INFO] [stdout] test matrix::api::shrink_to_fit ... ok
[INFO] [stdout] test matrix::api::to_bits ... ok
[INFO] [stdout] test matrix::api::into_rows ... ok
[INFO] [stdout] test matrix::api::resize_width_shrink ... ok
[INFO] [stdout] test matrix::api::into_bits ... ok
[INFO] [stdout] test matrix::api::resize_width_grow ... ok
[INFO] [stdout] test matrix::api::into_columns ... ok
[INFO] [stdout] test matrix::api::to_columns ... ok
[INFO] [stdout] test tree::datastore::api::get_column ... ok
[INFO] [stdout] test matrix::api::get_column ... ok
[INFO] [stdout] test tree::datastore::api::get ... ok
[INFO] [stdout] test tree::datastore::api::is_empty_0 ... ok
[INFO] [stdout] test tree::datastore::api::is_empty_1 ... ok
[INFO] [stdout] test tree::datastore::api::matrix_width_and_grow ... ok
[INFO] [stdout] test tree::datastore::api::leaves_raw ... ok
[INFO] [stdout] test tree::datastore::api::shrink ... ok
[INFO] [stdout] test tree::datastore::api::k ... ok
[INFO] [stdout] test tree::datastore::api::new ... ok
[INFO] [stdout] test tree::datastore::api::shrink_unchecked ... ok
[INFO] [stdout] test tree::datastore::api::stems ... ok
[INFO] [stdout] test tree::datastore::api::get_row ... ok
[INFO] [stdout] test tree::datastore::api::leaves ... ok
[INFO] [stdout] test tree::datastore::api::stems_raw ... ok
[INFO] [stdout] test tree::datastore::api::into_matrix ... ok
[INFO] [stdout] test tree::datastore::api::shrink_if_possible ... ok
[INFO] [stdout] test tree::datastore::api::set_0 ... ok
[INFO] [stdout] test tree::datastore::util::get_coords_0 ... ok
[INFO] [stdout] test tree::datastore::util::child_stem_0 ... ok
[INFO] [stdout] test tree::datastore::misc::is_sync ... ok
[INFO] [stdout] test tree::datastore::misc::is_send ... ok
[INFO] [stdout] test tree::datastore::util::one_positions_0 ... ok
[INFO] [stdout] test tree::datastore::util::parent_bit_0 ... ok
[INFO] [stdout] test tree::datastore::util::ones_in_range_0 ... ok
[INFO] [stdout] test tree::datastore::api::to_matrix ... 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::datastore::util::stem_layer_start_0 ... ok
[INFO] [stdout] test tree::datastore::util::to_4_subranges_0 ... ok
[INFO] [stdout] test tree::datastore::util::within_range_0 ... ok
[INFO] [stdout] test tree::datastore::util::leaf_start_0 ... ok
[INFO] [stdout] test tree::datastore::util::all_zeroes_0 ... ok
[INFO] [stdout] test tree::datastore::api::set_1 ... ok
[INFO] [stderr]    Doc-tests k2_tree
[INFO] [stdout] test tree::datastore::misc::flood ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 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::set (line 224) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::from_matrix (line 650) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::get_row (line 130) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::grow (line 484) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree (line 17) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::get (line 85) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::shrink_unchecked (line 567) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::new (line 58) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::shrink_if_possible (line 513) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::get_column (line 177) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::shrink (line 531) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::into_matrix (line 588) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::to_matrix (line 619) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f037ab1ec231852101f6e6dbc6d14be2642f85ced74f48d0e9b978329eb40f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f037ab1ec231852101f6e6dbc6d14be2642f85ced74f48d0e9b978329eb40f0b", kill_on_drop: false }`
[INFO] [stdout] f037ab1ec231852101f6e6dbc6d14be2642f85ced74f48d0e9b978329eb40f0b