[INFO] fetching crate visioncortex 0.4.0...
[INFO] testing visioncortex-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate visioncortex 0.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate visioncortex 0.4.0 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 visioncortex 0.4.0
[INFO] finished tweaking crates.io crate visioncortex 0.4.0
[INFO] tweaked toml for crates.io crate visioncortex 0.4.0 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] e4c1d3c5c78fd5fec0dd223bf1f0ef0af20ffa371e2e4ed41c7f22418a6e7466
[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" "e4c1d3c5c78fd5fec0dd223bf1f0ef0af20ffa371e2e4ed41c7f22418a6e7466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c1d3c5c78fd5fec0dd223bf1f0ef0af20ffa371e2e4ed41c7f22418a6e7466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c1d3c5c78fd5fec0dd223bf1f0ef0af20ffa371e2e4ed41c7f22418a6e7466", kill_on_drop: false }`
[INFO] [stdout] e4c1d3c5c78fd5fec0dd223bf1f0ef0af20ffa371e2e4ed41c7f22418a6e7466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 2d8922dc1d888ec7386f1e0597f9f58c4ce62b7e86f4d13deb177989d60862ff
[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" "2d8922dc1d888ec7386f1e0597f9f58c4ce62b7e86f4d13deb177989d60862ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling roots v0.0.6
[INFO] [stderr]    Compiling flo_curves v0.3.1
[INFO] [stderr]    Compiling visioncortex v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "2d8922dc1d888ec7386f1e0597f9f58c4ce62b7e86f4d13deb177989d60862ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8922dc1d888ec7386f1e0597f9f58c4ce62b7e86f4d13deb177989d60862ff", kill_on_drop: false }`
[INFO] [stdout] 2d8922dc1d888ec7386f1e0597f9f58c4ce62b7e86f4d13deb177989d60862ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e74cc47d8952a2085b7caeff0775b389525a129a6ffbcf4a427c462ddf81ec5e
[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" "e74cc47d8952a2085b7caeff0775b389525a129a6ffbcf4a427c462ddf81ec5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling visioncortex v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "e74cc47d8952a2085b7caeff0775b389525a129a6ffbcf4a427c462ddf81ec5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e74cc47d8952a2085b7caeff0775b389525a129a6ffbcf4a427c462ddf81ec5e", kill_on_drop: false }`
[INFO] [stdout] e74cc47d8952a2085b7caeff0775b389525a129a6ffbcf4a427c462ddf81ec5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 72b232c026731e87d56c05f5c558e1e86c3813006ad910c8228de198aefd6f26
[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" "72b232c026731e87d56c05f5c558e1e86c3813006ad910c8228de198aefd6f26", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 73 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/visioncortex-d7463bd5613002fd
[INFO] [stdout] test bound::tests::bounding_rect_2x2 ... ok
[INFO] [stdout] test bound::tests::bounding_rect_clip ... ok
[INFO] [stdout] test bound::tests::bounding_rect_aspect_ratio_doubled ... ok
[INFO] [stdout] test bound::tests::bounding_rect_1x1 ... ok
[INFO] [stdout] test bound::tests::enclosing_bound_test ... ok
[INFO] [stdout] test bound::tests::merge_expand_merged ... ok
[INFO] [stdout] test clusters::tests::break_cluster_alt ... ok
[INFO] [stdout] test clusters::tests::break_cluster ... ok
[INFO] [stdout] test bound::tests::merge_horizontal ... ok
[INFO] [stdout] test bound::tests::merge_horizontal_noop ... ok
[INFO] [stdout] test bound::tests::merge_expand_noop ... ok
[INFO] [stdout] test bound::tests::merge_vertical ... ok
[INFO] [stdout] test bound::tests::merge_vertical_noop ... ok
[INFO] [stdout] test clusters::tests::break_cluster_big ... ok
[INFO] [stdout] test clusters::tests::break_cluster_cant_break ... ok
[INFO] [stdout] test clusters::tests::break_cluster_noop ... ok
[INFO] [stdout] test clusters::tests::clusters_3x3_diagonal ... ok
[INFO] [stdout] test clusters::tests::clusters_4x4 ... ok
[INFO] [stdout] test disjoint_sets::tests::group_cached ... ok
[INFO] [stdout] test disjoint_sets::tests::group_items ... ok
[INFO] [stdout] test clusters::tests::break_cluster_cant_break_2 ... ok
[INFO] [stdout] test clusters::tests::clusters_3x3 ... ok
[INFO] [stdout] test disjoint_sets::tests::union_find ... ok
[INFO] [stdout] test image::tests::image_as_string ... ok
[INFO] [stdout] test path::paths::tests::test_reduce ... ok
[INFO] [stdout] test image::tests::binary_image_crop ... ok
[INFO] [stdout] test path::paths::tests::test_reduce_diamond_noop ... ok
[INFO] [stdout] test field::tests::empty ... ok
[INFO] [stdout] test field::tests::two_by_three ... ok
[INFO] [stdout] test path::compound::tests::test_to_svg_string_compound ... ok
[INFO] [stdout] test path::paths::tests::test_reduce_diamond ... ok
[INFO] [stdout] test path::compound::tests::test_to_svg_string ... ok
[INFO] [stdout] test path::paths::tests::test_reduce_noop ... ok
[INFO] [stdout] test path::paths::tests::test_reduce_shuffle ... ok
[INFO] [stdout] test path::paths::tests::test_reduce_empty ... ok
[INFO] [stdout] test path::paths::tests::test_to_svg_string_closed ... ok
[INFO] [stdout] test path::paths::tests::test_to_svg_string_offset ... ok
[INFO] [stdout] test path::paths::tests::test_reduce_noop_2 ... ok
[INFO] [stdout] test path::paths::tests::test_reduce_triangle_noop ... ok
[INFO] [stdout] test path::reduce::tests::simplify_f64 ... ok
[INFO] [stdout] test path::paths::tests::test_reduce_triangle_degenerate ... ok
[INFO] [stdout] test path::paths::tests::test_to_svg_string ... ok
[INFO] [stdout] test path::reduce::tests::simplify_i32 ... ok
[INFO] [stdout] test sampler::tests::resample_image_2x2_to_3x2 ... ok
[INFO] [stdout] test sampler::tests::resample_image_2x2_to_4x2_crop ... ok
[INFO] [stdout] test sampler::tests::resample_image_3x3_to_2x2 ... ok
[INFO] [stdout] test path::reduce::tests::simplify_zero ... ok
[INFO] [stdout] test sampler::tests::resample_image_2x2_to_4x2 ... ok
[INFO] [stdout] test path::walker::tests::spiral_walker ... ok
[INFO] [stdout] test sampler::tests::sampler_4 ... ok
[INFO] [stdout] test sampler::tests::sampler_2 ... ok
[INFO] [stdout] test path::reduce::tests::simplify_one ... ok
[INFO] [stdout] test sampler::tests::sampler_crop ... ok
[INFO] [stdout] test shape::image_operations::tests::image_diff ... ok
[INFO] [stdout] test shape::basic_shape::tests::shape_is_not_circle_2 ... ok
[INFO] [stdout] test shape::basic_shape::tests::shape_ellipse_5_5 ... ok
[INFO] [stdout] test shape::processor::tests::average_shape ... ok
[INFO] [stdout] test sampler::tests::sampler_upsize_non_exact ... ok
[INFO] [stdout] test shape::basic_shape::tests::shape_circle_7 ... ok
[INFO] [stdout] test shape::basic_shape::tests::shape_is_not_circle ... ok
[INFO] [stdout] test sampler::tests::sampler_upsize ... ok
[INFO] [stdout] test shape::basic_shape::tests::shape_circle_5 ... ok
[INFO] [stdout] test shape::basic_shape::tests::shape_is_circle ... ok
[INFO] [stdout] test shape::image_operations::tests::negative_image ... ok
[INFO] [stdout] test shape::basic_shape::tests::shape_circle_3 ... ok
[INFO] [stdout] test sampler::tests::sampler_crop_upsize ... ok
[INFO] [stdout] test shape::basic_shape::tests::shape_ellipse_7_5 ... ok
[INFO] [stdout] test shape::basic_shape::tests::shape_is_circle_2 ... ok
[INFO] [stdout] test statistic::tests::test_stat_builder_2 ... ok
[INFO] [stdout] test statistic::tests::test_stat_builder_3 ... ok
[INFO] [stdout] test transform::tests::rectangular_transform ... ok
[INFO] [stdout] test statistic::tests::test_stat_builder_1 ... ok
[INFO] [stdout] test point::tests::pointf64_rotate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 73 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests visioncortex
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/disjoint_sets.rs - disjoint_sets::group_by (line 67) ... ok
[INFO] [stdout] test src/disjoint_sets.rs - disjoint_sets::group_by_cached_key (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72b232c026731e87d56c05f5c558e1e86c3813006ad910c8228de198aefd6f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b232c026731e87d56c05f5c558e1e86c3813006ad910c8228de198aefd6f26", kill_on_drop: false }`
[INFO] [stdout] 72b232c026731e87d56c05f5c558e1e86c3813006ad910c8228de198aefd6f26