[INFO] fetching crate reductive 0.5.1...
[INFO] testing reductive-0.5.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate reductive 0.5.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate reductive 0.5.1 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 reductive 0.5.1
[INFO] finished tweaking crates.io crate reductive 0.5.1
[INFO] tweaked toml for crates.io crate reductive 0.5.1 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03a7baac8e218faa337e4bc8eeef87f1ef54dbaa0c3670a0dd7e069adf5080ab
[INFO] running `Command { std: "docker" "start" "-a" "03a7baac8e218faa337e4bc8eeef87f1ef54dbaa0c3670a0dd7e069adf5080ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03a7baac8e218faa337e4bc8eeef87f1ef54dbaa0c3670a0dd7e069adf5080ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a7baac8e218faa337e4bc8eeef87f1ef54dbaa0c3670a0dd7e069adf5080ab", kill_on_drop: false }`
[INFO] [stdout] 03a7baac8e218faa337e4bc8eeef87f1ef54dbaa0c3670a0dd7e069adf5080ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6e96b92627e51f2984b015ee1778f6ec1190b4e84cbef56bfde75b3d37a32517
[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" "6e96b92627e51f2984b015ee1778f6ec1190b4e84cbef56bfde75b3d37a32517", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v2.0.1
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling reductive v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.98s
[INFO] running `Command { std: "docker" "inspect" "6e96b92627e51f2984b015ee1778f6ec1190b4e84cbef56bfde75b3d37a32517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e96b92627e51f2984b015ee1778f6ec1190b4e84cbef56bfde75b3d37a32517", kill_on_drop: false }`
[INFO] [stdout] 6e96b92627e51f2984b015ee1778f6ec1190b4e84cbef56bfde75b3d37a32517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 0204f8ff74f24da31ac78410341b2dd0ea9d55ee469047ac4e2d3c2512c14535
[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" "0204f8ff74f24da31ac78410341b2dd0ea9d55ee469047ac4e2d3c2512c14535", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling reductive v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "0204f8ff74f24da31ac78410341b2dd0ea9d55ee469047ac4e2d3c2512c14535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0204f8ff74f24da31ac78410341b2dd0ea9d55ee469047ac4e2d3c2512c14535", kill_on_drop: false }`
[INFO] [stdout] 0204f8ff74f24da31ac78410341b2dd0ea9d55ee469047ac4e2d3c2512c14535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 45db7da6942848fca3fc204bdded20af5a2901173080eacb5376d5822102bf0d
[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" "45db7da6942848fca3fc204bdded20af5a2901173080eacb5376d5822102bf0d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reductive-d26dbc6f2ad6b77a
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test linalg::tests::euclidean_distance_ix1_ix1 ... ok
[INFO] [stdout] test kmeans::tests::correct_update_centroids ... ok
[INFO] [stdout] test kmeans::tests::correct_mean_squared_error ... ok
[INFO] [stdout] test linalg::tests::euclidean_distance_ix1_ix2 ... ok
[INFO] [stdout] test kmeans::tests::k_means_3 ... ok
[INFO] [stdout] test linalg::tests::covariance ... ok
[INFO] [stdout] test kmeans::tests::correct_cluster_assignments ... ok
[INFO] [stdout] test linalg::tests::euclidean_distance_ix2_ix2 ... ok
[INFO] [stdout] test linalg::tests::squared_euclidean_distances_ix1_ix2 ... ok
[INFO] [stdout] test linalg::tests::squared_euclidean_distance_ix1_ix1 ... ok
[INFO] [stdout] test kmeans::tests::k_means_3_axis1 ... ok
[INFO] [stdout] test pq::pq::tests::quantize_with_predefined_codebook ... ok
[INFO] [stdout] test ndarray_rand::tests::test_dim ... ok
[INFO] [stdout] test pq::pq::tests::quantizer_lens ... ok
[INFO] [stdout] test rng::test::reseed_on_clone_rng ... ok
[INFO] [stdout] test pq::pq::tests::reconstruct_with_predefined_codebook ... ok
[INFO] [stdout] test pq::pq::tests::reconstruct_batch_with_predefined_codebook ... ok
[INFO] [stdout] test pq::pq::tests::quantize_with_type ... ok
[INFO] [stdout] test linalg::tests::squared_euclidean_distances_ix2_ix2 ... ok
[INFO] [stdout] test pq::pq::tests::quantize_batch_with_predefined_codebook ... ok
[INFO] [stdout] test pq::pq::tests::quantize_with_too_narrow_type ... ok
[INFO] [stdout] test pq::pq::tests::quantize_with_pq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reductive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45db7da6942848fca3fc204bdded20af5a2901173080eacb5376d5822102bf0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45db7da6942848fca3fc204bdded20af5a2901173080eacb5376d5822102bf0d", kill_on_drop: false }`
[INFO] [stdout] 45db7da6942848fca3fc204bdded20af5a2901173080eacb5376d5822102bf0d