[INFO] crate k2_tree 0.2.2 is already in cache
[INFO] testing k2_tree-0.2.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate k2_tree 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate k2_tree 0.2.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3717c29fb9dbdf18bb55b7549cb106ae317f89c3ee80df58a55068c011f27950
[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" "3717c29fb9dbdf18bb55b7549cb106ae317f89c3ee80df58a55068c011f27950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3717c29fb9dbdf18bb55b7549cb106ae317f89c3ee80df58a55068c011f27950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3717c29fb9dbdf18bb55b7549cb106ae317f89c3ee80df58a55068c011f27950", kill_on_drop: false }`
[INFO] [stdout] 3717c29fb9dbdf18bb55b7549cb106ae317f89c3ee80df58a55068c011f27950
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 177fbf172dbc7856312c9006ef52383e25dd1df8e7e5c2aad5d5ace875002c5a
[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" "177fbf172dbc7856312c9006ef52383e25dd1df8e7e5c2aad5d5ace875002c5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3
[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 4.38s
[INFO] running `Command { std: "docker" "inspect" "177fbf172dbc7856312c9006ef52383e25dd1df8e7e5c2aad5d5ace875002c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177fbf172dbc7856312c9006ef52383e25dd1df8e7e5c2aad5d5ace875002c5a", kill_on_drop: false }`
[INFO] [stdout] 177fbf172dbc7856312c9006ef52383e25dd1df8e7e5c2aad5d5ace875002c5a
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 643373b2aa6c531a6a56eac9b57af406e12238c7e841906cf807acf618ab3ef7
[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" "643373b2aa6c531a6a56eac9b57af406e12238c7e841906cf807acf618ab3ef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling k2_tree v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.03s
[INFO] running `Command { std: "docker" "inspect" "643373b2aa6c531a6a56eac9b57af406e12238c7e841906cf807acf618ab3ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643373b2aa6c531a6a56eac9b57af406e12238c7e841906cf807acf618ab3ef7", kill_on_drop: false }`
[INFO] [stdout] 643373b2aa6c531a6a56eac9b57af406e12238c7e841906cf807acf618ab3ef7
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc33c9f63bef6675f4177430a8069f539e831e6f2ece28292001d620353ca5fc
[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" "cc33c9f63bef6675f4177430a8069f539e831e6f2ece28292001d620353ca5fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/k2_tree-cd0d5933cc9650bc
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test matrix::api::new ... ok
[INFO] [stdout] test matrix::api::get_row ... ok
[INFO] [stdout] test matrix::api::resize_height_shrink ... ok
[INFO] [stdout] test matrix::api::get ... ok
[INFO] [stdout] test matrix::api::resize_width_shrink ... ok
[INFO] [stdout] test matrix::api::into_rows ... ok
[INFO] [stdout] test matrix::api::resize_height_grow ... ok
[INFO] [stdout] test matrix::api::into_columns ... ok
[INFO] [stdout] test matrix::api::into_bits ... ok
[INFO] [stdout] test matrix::api::resize_width_grow ... ok
[INFO] [stdout] test matrix::api::get_column ... ok
[INFO] [stdout] test matrix::api::from_bits ... ok
[INFO] [stdout] test matrix::api::set ... ok
[INFO] [stdout] test matrix::api::shrink_to_fit ... ok
[INFO] [stdout] test matrix::api::to_bits ... ok
[INFO] [stdout] test matrix::api::with_dimensions ... ok
[INFO] [stdout] test matrix::api::to_rows ... ok
[INFO] [stdout] test matrix::api::to_columns ... ok
[INFO] [stdout] test tree::datastore::api::leaves_raw ... ok
[INFO] [stdout] test tree::datastore::api::k ... ok
[INFO] [stdout] test tree::datastore::api::get_column ... ok
[INFO] [stdout] test tree::datastore::api::is_empty_1 ... ok
[INFO] [stdout] test tree::datastore::api::leaves ... ok
[INFO] [stdout] test tree::datastore::api::get_row ... 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::new ... ok
[INFO] [stdout] test tree::datastore::api::matrix_width_and_grow ... ok
[INFO] [stdout] test tree::datastore::api::from_matrix ... ok
[INFO] [stdout] test tree::datastore::api::into_matrix ... ok
[INFO] [stdout] test tree::datastore::api::shrink ... ok
[INFO] [stdout] test tree::datastore::api::set_0 ... ok
[INFO] [stdout] test tree::datastore::api::stems_raw ... ok
[INFO] [stdout] test tree::datastore::misc::is_send ... ok
[INFO] [stdout] test tree::datastore::api::stems ... ok
[INFO] [stdout] test tree::datastore::misc::is_sync ... ok
[INFO] [stdout] test tree::datastore::api::shrink_unchecked ... ok
[INFO] [stdout] test tree::datastore::util::all_zeroes_0 ... ok
[INFO] [stdout] test tree::datastore::util::leaf_start_0 ... ok
[INFO] [stdout] test tree::datastore::util::child_stem_0 ... ok
[INFO] [stdout] test tree::datastore::util::get_coords_0 ... ok
[INFO] [stdout] test tree::datastore::api::shrink_if_possible ... ok
[INFO] [stdout] test tree::datastore::util::within_range_0 ... ok
[INFO] [stdout] test tree::datastore::util::to_4_subranges_0 ... ok
[INFO] [stdout] test tree::datastore::util::stem_layer_start_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::parent_bit_0 ... ok
[INFO] [stdout] test tree::datastore::util::one_positions_0 ... ok
[INFO] [stdout] test tree::datastore::util::ones_in_range_0 ... ok
[INFO] [stdout] test tree::datastore::api::set_1 ... ok
[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] [stderr]    Doc-tests k2_tree
[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::get (line 85) ... 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_row (line 130) ... 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::from_matrix (line 650) ... 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] test src/tree/datastore.rs - tree::datastore::K2Tree::grow (line 484) ... 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 (line 17) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::set (line 224) ... 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_unchecked (line 567) ... 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" "cc33c9f63bef6675f4177430a8069f539e831e6f2ece28292001d620353ca5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc33c9f63bef6675f4177430a8069f539e831e6f2ece28292001d620353ca5fc", kill_on_drop: false }`
[INFO] [stdout] cc33c9f63bef6675f4177430a8069f539e831e6f2ece28292001d620353ca5fc