[INFO] fetching crate treena 0.0.4...
[INFO] testing treena-0.0.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate treena 0.0.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate treena 0.0.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treena 0.0.4
[INFO] finished tweaking crates.io crate treena 0.0.4
[INFO] tweaked toml for crates.io crate treena 0.0.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a635ff3575307f238a42e2d2b6325eb6524c6ac2d50526a6a9fef9ce4c559bc4
[INFO] running `Command { std: "docker" "start" "-a" "a635ff3575307f238a42e2d2b6325eb6524c6ac2d50526a6a9fef9ce4c559bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a635ff3575307f238a42e2d2b6325eb6524c6ac2d50526a6a9fef9ce4c559bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a635ff3575307f238a42e2d2b6325eb6524c6ac2d50526a6a9fef9ce4c559bc4", kill_on_drop: false }`
[INFO] [stdout] a635ff3575307f238a42e2d2b6325eb6524c6ac2d50526a6a9fef9ce4c559bc4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85a10932f552bf5c9ff139662ad11d077fc3db987c8b61cd7105de87e6fa394c
[INFO] running `Command { std: "docker" "start" "-a" "85a10932f552bf5c9ff139662ad11d077fc3db987c8b61cd7105de87e6fa394c", kill_on_drop: false }`
[INFO] [stderr]    Compiling treena v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "85a10932f552bf5c9ff139662ad11d077fc3db987c8b61cd7105de87e6fa394c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a10932f552bf5c9ff139662ad11d077fc3db987c8b61cd7105de87e6fa394c", kill_on_drop: false }`
[INFO] [stdout] 85a10932f552bf5c9ff139662ad11d077fc3db987c8b61cd7105de87e6fa394c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c791b727b51bbce6e152dc1741e44492029575cb265a7ac05560b8f39d1a5c4e
[INFO] running `Command { std: "docker" "start" "-a" "c791b727b51bbce6e152dc1741e44492029575cb265a7ac05560b8f39d1a5c4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling treena v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "c791b727b51bbce6e152dc1741e44492029575cb265a7ac05560b8f39d1a5c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c791b727b51bbce6e152dc1741e44492029575cb265a7ac05560b8f39d1a5c4e", kill_on_drop: false }`
[INFO] [stdout] c791b727b51bbce6e152dc1741e44492029575cb265a7ac05560b8f39d1a5c4e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5398829d5a3328e8f934394bf932f8ce919ed48b6d18a578ce9d7d47f7dbabd9
[INFO] running `Command { std: "docker" "start" "-a" "5398829d5a3328e8f934394bf932f8ce919ed48b6d18a578ce9d7d47f7dbabd9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/treena-35cbbe3a5408fa8e)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test dynamic::forest::node::tests::adopt::unchanged_first_child_of_parent ... ok
[INFO] [stdout] test dynamic::forest::node::tests::insert::unchanged_first_child_of_parent ... ok
[INFO] [stdout] test dynamic::forest::tests::ensure_inner_function_is_monomorphized ... ok
[INFO] [stdout] test dynamic::hierarchy::traverse::tests::bft_queued_event_niche_optimized ... ok
[INFO] [stdout] test nonmax::tests::types_size ... ok
[INFO] [stdout] test dynamic::id::tests::niche_optimized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/forest-iterators.rs (/opt/rustwide/target/debug/deps/forest_iterators-35ac5c5ec088f75f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test dft_backward ... ok
[INFO] [stdout] test dft_forward ... ok
[INFO] [stdout] test shallow_dft_backward_without_limit ... ok
[INFO] [stdout] test shallow_dft_forward_without_limit ... ok
[INFO] [stdout] test shallow_dft_backward_with_limit ... ok
[INFO] [stdout] test shallow_dft_forward_with_limit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests treena
[INFO] [stdout] 
[INFO] [stdout] running 59 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name treena --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern treena=/opt/rustwide/target/debug/deps/libtreena-9a93158855173708.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5398829d5a3328e8f934394bf932f8ce919ed48b6d18a578ce9d7d47f7dbabd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5398829d5a3328e8f934394bf932f8ce919ed48b6d18a578ce9d7d47f7dbabd9", kill_on_drop: false }`
[INFO] [stdout] 5398829d5a3328e8f934394bf932f8ce919ed48b6d18a578ce9d7d47f7dbabd9