[INFO] fetching crate rectangle-pack 0.2.0...
[INFO] testing rectangle-pack-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rectangle-pack 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rectangle-pack 0.2.0 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 rectangle-pack 0.2.0
[INFO] finished tweaking crates.io crate rectangle-pack 0.2.0
[INFO] tweaked toml for crates.io crate rectangle-pack 0.2.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e09c016530994baac47c4b052497c1a3a74ff7702dd547777aeddf4c2aea1a1
[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" "9e09c016530994baac47c4b052497c1a3a74ff7702dd547777aeddf4c2aea1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e09c016530994baac47c4b052497c1a3a74ff7702dd547777aeddf4c2aea1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e09c016530994baac47c4b052497c1a3a74ff7702dd547777aeddf4c2aea1a1", kill_on_drop: false }`
[INFO] [stdout] 9e09c016530994baac47c4b052497c1a3a74ff7702dd547777aeddf4c2aea1a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecaf73c6ea27b6bb7e4baaf15b90745a11211e1efde9d566b294c86b2150430a
[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" "ecaf73c6ea27b6bb7e4baaf15b90745a11211e1efde9d566b294c86b2150430a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rectangle-pack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "ecaf73c6ea27b6bb7e4baaf15b90745a11211e1efde9d566b294c86b2150430a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecaf73c6ea27b6bb7e4baaf15b90745a11211e1efde9d566b294c86b2150430a", kill_on_drop: false }`
[INFO] [stdout] ecaf73c6ea27b6bb7e4baaf15b90745a11211e1efde9d566b294c86b2150430a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c0cfab3a89130a61841a3202eff46f87bea06b77c8e8cb7fe733f7371673127
[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" "9c0cfab3a89130a61841a3202eff46f87bea06b77c8e8cb7fe733f7371673127", kill_on_drop: false }`
[INFO] [stderr]    Compiling rectangle-pack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "9c0cfab3a89130a61841a3202eff46f87bea06b77c8e8cb7fe733f7371673127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0cfab3a89130a61841a3202eff46f87bea06b77c8e8cb7fe733f7371673127", kill_on_drop: false }`
[INFO] [stdout] 9c0cfab3a89130a61841a3202eff46f87bea06b77c8e8cb7fe733f7371673127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e614f0e39412fa8f58fab932614412957a432f12174c68a823c8ea086aaba3a
[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" "7e614f0e39412fa8f58fab932614412957a432f12174c68a823c8ea086aaba3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.52s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rectangle_pack-08075aad0bcb03c6
[INFO] [stdout] running 23 tests
[INFO] [stdout] test bin_section::tests::error_if_placement_is_taller_than_bin_section ... ok
[INFO] [stdout] test bin_section::tests::error_if_placement_is_deeper_than_bin_section ... ok
[INFO] [stdout] test grouped_rects_to_place::tests::inbound_id_to_group_ids ... ok
[INFO] [stdout] test grouped_rects_to_place::tests::group_id_to_inbound_ids ... ok
[INFO] [stdout] test grouped_rects_to_place::tests::ungrouped_rectangles_use_their_inbound_id_as_their_group_id ... ok
[INFO] [stdout] test target_bin::tests::does_not_add_sections_with_no_volume ... ok
[INFO] [stdout] test grouped_rects_to_place::tests::store_the_inbound_rectangle ... ok
[INFO] [stdout] test tests::error_if_cannot_fit_group ... ok
[INFO] [stdout] test bin_section::tests::height_largest_width_second_largest_depth_smallest ... ok
[INFO] [stdout] test bin_section::tests::depth_largest_width_second_largest_height_smallest ... ok
[INFO] [stdout] test bin_section::tests::height_largest_depth_second_largest_width_smallest ... ok
[INFO] [stdout] test bin_section::tests::width_largest_depth_second_largest_height_smallest ... ok
[INFO] [stdout] test bin_section::tests::width_largest_height_second_largest_depth_smallest ... ok
[INFO] [stdout] test tests::deterministic_packing ... ok
[INFO] [stdout] test bin_section::tests::depth_largest_height_second_largest_width_smallest ... ok
[INFO] [stdout] test bin_section::tests::error_if_placement_is_wider_than_bin_section ... ok
[INFO] [stdout] test tests::saves_bin_sections_for_future_use ... ok
[INFO] [stdout] test tests::error_if_the_rectangles_cannot_fit_into_target_bins ... ok
[INFO] [stdout] test tests::one_inbound_rect_two_bins ... ok
[INFO] [stdout] test tests::places_largest_rectangles_first ... ok
[INFO] [stdout] test tests::fills_small_sections_before_large_ones ... ok
[INFO] [stdout] test tests::two_rects_two_bins ... ok
[INFO] [stdout] test tests::one_inbound_rect_one_bin ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rectangle-pack
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - pack_rects (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e614f0e39412fa8f58fab932614412957a432f12174c68a823c8ea086aaba3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e614f0e39412fa8f58fab932614412957a432f12174c68a823c8ea086aaba3a", kill_on_drop: false }`
[INFO] [stdout] 7e614f0e39412fa8f58fab932614412957a432f12174c68a823c8ea086aaba3a