[INFO] fetching crate bonsai 0.2.1...
[INFO] testing bonsai-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bonsai 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bonsai 0.2.1 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 bonsai 0.2.1
[INFO] finished tweaking crates.io crate bonsai 0.2.1
[INFO] tweaked toml for crates.io crate bonsai 0.2.1 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fea2e9426850b4292f69911ff7906367302a082a3dcb008a31284dbdb98bf03b
[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" "fea2e9426850b4292f69911ff7906367302a082a3dcb008a31284dbdb98bf03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fea2e9426850b4292f69911ff7906367302a082a3dcb008a31284dbdb98bf03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea2e9426850b4292f69911ff7906367302a082a3dcb008a31284dbdb98bf03b", kill_on_drop: false }`
[INFO] [stdout] fea2e9426850b4292f69911ff7906367302a082a3dcb008a31284dbdb98bf03b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e26b35adb96f15575474452454ba72adcfadbcc39c7425cb6c500303f4d3a83c
[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" "e26b35adb96f15575474452454ba72adcfadbcc39c7425cb6c500303f4d3a83c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bonsai v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "e26b35adb96f15575474452454ba72adcfadbcc39c7425cb6c500303f4d3a83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26b35adb96f15575474452454ba72adcfadbcc39c7425cb6c500303f4d3a83c", kill_on_drop: false }`
[INFO] [stdout] e26b35adb96f15575474452454ba72adcfadbcc39c7425cb6c500303f4d3a83c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9e8aa5fa55f801ebe7ee6d0cb4e10786711c0dba01da2d0a58190c4e5490616a
[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" "9e8aa5fa55f801ebe7ee6d0cb4e10786711c0dba01da2d0a58190c4e5490616a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bonsai v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "9e8aa5fa55f801ebe7ee6d0cb4e10786711c0dba01da2d0a58190c4e5490616a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e8aa5fa55f801ebe7ee6d0cb4e10786711c0dba01da2d0a58190c4e5490616a", kill_on_drop: false }`
[INFO] [stdout] 9e8aa5fa55f801ebe7ee6d0cb4e10786711c0dba01da2d0a58190c4e5490616a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1c75502f9d6aa4ca8314f45072563fae4b791d28a2831b6e531f7586ddb9e0f8
[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" "1c75502f9d6aa4ca8314f45072563fae4b791d28a2831b6e531f7586ddb9e0f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bonsai-e32bc06fbcd84478
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::compute_child_indexes ... ok
[INFO] [stdout] test tests::compute_depth_difference ... ok
[INFO] [stdout] test tests::compute_expanded_tree_indexes ... ok
[INFO] [stdout] test tests::compute_log2 ... ok
[INFO] [stdout] test tests::compute_root_from_depth ... ok
[INFO] [stdout] test tests::next_and_last_power_of_two ... ok
[INFO] [stdout] test tests::compute_last_leaf ... ok
[INFO] [stdout] test tests::compute_sibling_index ... ok
[INFO] [stdout] test tests::transform_subtree_index_to_general ... ok
[INFO] [stderr]    Doc-tests bonsai
[INFO] [stdout] test tests::transform_general_index_to_subtree ... ok
[INFO] [stdout] test tests::determine_if_index_is_in_subtree ... ok
[INFO] [stdout] test tests::compute_first_leaf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "1c75502f9d6aa4ca8314f45072563fae4b791d28a2831b6e531f7586ddb9e0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c75502f9d6aa4ca8314f45072563fae4b791d28a2831b6e531f7586ddb9e0f8", kill_on_drop: false }`
[INFO] [stdout] 1c75502f9d6aa4ca8314f45072563fae4b791d28a2831b6e531f7586ddb9e0f8