[INFO] fetching crate petal-neighbors 0.7.1...
[INFO] testing petal-neighbors-0.7.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate petal-neighbors 0.7.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate petal-neighbors 0.7.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate petal-neighbors 0.7.1
[INFO] finished tweaking crates.io crate petal-neighbors 0.7.1
[INFO] tweaked toml for crates.io crate petal-neighbors 0.7.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b84138e9da0c10fd3e37a0949fe4d1e4b03edd0b61100c62bc205bb7d8dc0a00
[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" "b84138e9da0c10fd3e37a0949fe4d1e4b03edd0b61100c62bc205bb7d8dc0a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b84138e9da0c10fd3e37a0949fe4d1e4b03edd0b61100c62bc205bb7d8dc0a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84138e9da0c10fd3e37a0949fe4d1e4b03edd0b61100c62bc205bb7d8dc0a00", kill_on_drop: false }`
[INFO] [stdout] b84138e9da0c10fd3e37a0949fe4d1e4b03edd0b61100c62bc205bb7d8dc0a00
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d37b9749b5df102bb52979c4bc73cd19392a499b79e21f6d94361beced8853
[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" "15d37b9749b5df102bb52979c4bc73cd19392a499b79e21f6d94361beced8853", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling petal-neighbors v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "15d37b9749b5df102bb52979c4bc73cd19392a499b79e21f6d94361beced8853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d37b9749b5df102bb52979c4bc73cd19392a499b79e21f6d94361beced8853", kill_on_drop: false }`
[INFO] [stdout] 15d37b9749b5df102bb52979c4bc73cd19392a499b79e21f6d94361beced8853
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 129eb889e7021373e68fb7223eb3c472297f4496c4bdd0915102224c33e768a8
[INFO] running `Command { std: "docker" "start" "-a" "129eb889e7021373e68fb7223eb3c472297f4496c4bdd0915102224c33e768a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling rand_distr v0.4.1
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling petal-neighbors v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.01s
[INFO] running `Command { std: "docker" "inspect" "129eb889e7021373e68fb7223eb3c472297f4496c4bdd0915102224c33e768a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129eb889e7021373e68fb7223eb3c472297f4496c4bdd0915102224c33e768a8", kill_on_drop: false }`
[INFO] [stdout] 129eb889e7021373e68fb7223eb3c472297f4496c4bdd0915102224c33e768a8
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2196bf40de862c8e37b72f0135e34b86b3041a668c4bfc9a87d0ace091b92e3
[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" "b2196bf40de862c8e37b72f0135e34b86b3041a668c4bfc9a87d0ace091b92e3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/petal_neighbors-2a18ff358f686f5f)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test ball_tree::test::ball_tree_6 ... ok
[INFO] [stdout] test ball_tree::test::ball_tree_3 ... ok
[INFO] [stdout] test ball_tree::test::halve_node_indices_odd ... ok
[INFO] [stdout] test ball_tree::test::halve_node_indices_one ... ok
[INFO] [stdout] test ball_tree::test::ball_tree_identical_points ... ok
[INFO] [stdout] test ball_tree::test::ball_tree_query_radius ... ok
[INFO] [stdout] test ball_tree::test::halve_node_indices_even ... ok
[INFO] [stdout] test ball_tree::test::max_spread_column ... ok
[INFO] [stdout] test vantage_point_tree::test::euclidian ... ok
[INFO] [stdout] test ball_tree::test::node_init ... ok
[INFO] [stdout] test ball_tree::test::ball_tree_query ... ok
[INFO] [stdout] test ball_tree::test::ball_tree_empty - should panic ... ok
[INFO] [stdout] test ball_tree::test::max_spread_column_empty_idx - should panic ... ok
[INFO] [stdout] test ball_tree::test::halve_node_indices_empty - should panic ... ok
[INFO] [stdout] test ball_tree::test::max_spread_column_empty_matrix - should panic ... ok
[INFO] [stdout] test ball_tree::test::max_spread_column_idx_out_of_bound - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests petal-neighbors
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/vantage_point_tree.rs - vantage_point_tree::VantagePointTree::query_nearest (line 80) ... ok
[INFO] [stdout] test src/ball_tree.rs - ball_tree::BallTree::query_radius (line 124) ... ok
[INFO] [stdout] test src/ball_tree.rs - ball_tree::BallTree::query_nearest (line 70) ... ok
[INFO] [stdout] test src/ball_tree.rs - ball_tree::BallTree::query (line 93) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b2196bf40de862c8e37b72f0135e34b86b3041a668c4bfc9a87d0ace091b92e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2196bf40de862c8e37b72f0135e34b86b3041a668c4bfc9a87d0ace091b92e3", kill_on_drop: false }`
[INFO] [stdout] b2196bf40de862c8e37b72f0135e34b86b3041a668c4bfc9a87d0ace091b92e3