[INFO] fetching crate k2_tree 0.1.0...
[INFO] testing k2_tree-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate k2_tree 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate k2_tree 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate k2_tree 0.1.0
[INFO] finished tweaking crates.io crate k2_tree 0.1.0
[INFO] tweaked toml for crates.io crate k2_tree 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08d433af72faf7ff38b24e9d0baf5ef226b5f5c49a8ca6b0f2ee77fd8358d2b2
[INFO] running `"docker" "start" "-a" "08d433af72faf7ff38b24e9d0baf5ef226b5f5c49a8ca6b0f2ee77fd8358d2b2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling k2_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `"docker" "inspect" "08d433af72faf7ff38b24e9d0baf5ef226b5f5c49a8ca6b0f2ee77fd8358d2b2"`
[INFO] running `"docker" "rm" "-f" "08d433af72faf7ff38b24e9d0baf5ef226b5f5c49a8ca6b0f2ee77fd8358d2b2"`
[INFO] [stdout] 08d433af72faf7ff38b24e9d0baf5ef226b5f5c49a8ca6b0f2ee77fd8358d2b2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c93e311522e5d88f25c3289c1eb35354306f22fe112c028314ea922a7f3e3f9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c93e311522e5d88f25c3289c1eb35354306f22fe112c028314ea922a7f3e3f9c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling k2_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `"docker" "inspect" "c93e311522e5d88f25c3289c1eb35354306f22fe112c028314ea922a7f3e3f9c"`
[INFO] running `"docker" "rm" "-f" "c93e311522e5d88f25c3289c1eb35354306f22fe112c028314ea922a7f3e3f9c"`
[INFO] [stdout] c93e311522e5d88f25c3289c1eb35354306f22fe112c028314ea922a7f3e3f9c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 7451dc3d2599da00dfcf64ed7f9d1f2af7a57c54384ce6a8893e7b7ae6b6ba7e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7451dc3d2599da00dfcf64ed7f9d1f2af7a57c54384ce6a8893e7b7ae6b6ba7e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/k2_tree-ece03ea7e9f21d30
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test tree::datastore::api::get ... ok
[INFO] [stdout] test tree::datastore::api::get_column ... ok
[INFO] [stdout] test tree::datastore::api::into_matrix ... ok
[INFO] [stdout] test tree::datastore::api::new ... ok
[INFO] [stdout] test tree::datastore::api::is_empty_0 ... ok
[INFO] [stdout] test tree::datastore::api::leaves ... ok
[INFO] [stdout] test tree::datastore::api::get_row ... ok
[INFO] [stdout] test tree::datastore::api::set_0 ... ok
[INFO] [stdout] test tree::datastore::api::shrink_if_possible ... ok
[INFO] [stdout] test tree::datastore::api::is_empty_1 ... ok
[INFO] [stdout] test tree::datastore::api::from_matrix ... ok
[INFO] [stdout] test tree::datastore::api::shrink ... ok
[INFO] [stdout] test tree::datastore::api::k ... ok
[INFO] [stdout] test tree::datastore::api::to_matrix ... ok
[INFO] [stdout] test tree::datastore::api::stems ... ok
[INFO] [stdout] test tree::datastore::misc::is_send ... ok
[INFO] [stdout] test tree::datastore::api::stems_raw ... ok
[INFO] [stdout] test tree::datastore::api::shrink_unchecked ... 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::util::parent_bit_0 ... 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::within_range_0 ... ok
[INFO] [stdout] test tree::datastore::misc::is_sync ... ok
[INFO] [stdout] test tree::datastore::util::to_4_subranges_0 ... ok
[INFO] [stdout] test tree::datastore::api::leaves_raw ... ok
[INFO] [stdout] test tree::datastore::api::matrix_width_and_grow ... ok
[INFO] [stdout] test tree::datastore::util::all_zeroes_0 ... ok
[INFO] [stdout] test tree::datastore::util::get_coords_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::api::set_1 ... ok
[INFO] [stdout] test tree::datastore::misc::flood ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 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 17) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 39) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 57) ... ignored
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::get_column (line 176) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::to_matrix (line 629) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::set (line 223) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::shrink (line 530) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::get_row (line 129) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::shrink_unchecked (line 566) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::grow (line 483) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::new (line 57) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::from_matrix (line 643) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree (line 16) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::shrink_if_possible (line 512) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::get (line 84) ... ok
[INFO] [stdout] test src/tree/datastore.rs - tree::datastore::K2Tree::into_matrix (line 587) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7451dc3d2599da00dfcf64ed7f9d1f2af7a57c54384ce6a8893e7b7ae6b6ba7e"`
[INFO] running `"docker" "rm" "-f" "7451dc3d2599da00dfcf64ed7f9d1f2af7a57c54384ce6a8893e7b7ae6b6ba7e"`
[INFO] [stdout] 7451dc3d2599da00dfcf64ed7f9d1f2af7a57c54384ce6a8893e7b7ae6b6ba7e