[INFO] fetching crate woodland 0.0.4...
[INFO] testing woodland-0.0.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate woodland 0.0.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate woodland 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 woodland 0.0.4
[INFO] finished tweaking crates.io crate woodland 0.0.4
[INFO] tweaked toml for crates.io crate woodland 0.0.4 written to /workspace/builds/worker-9/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f69298bd593fe1369c6113fbd7952e8a6b4b2ce24c7a59d58176bdeb0dae74c0
[INFO] running `Command { std: "docker" "start" "-a" "f69298bd593fe1369c6113fbd7952e8a6b4b2ce24c7a59d58176bdeb0dae74c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f69298bd593fe1369c6113fbd7952e8a6b4b2ce24c7a59d58176bdeb0dae74c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69298bd593fe1369c6113fbd7952e8a6b4b2ce24c7a59d58176bdeb0dae74c0", kill_on_drop: false }`
[INFO] [stdout] f69298bd593fe1369c6113fbd7952e8a6b4b2ce24c7a59d58176bdeb0dae74c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 67f5f3308b3caa66435ec8970ed9946932ade182a9aca0119af03ab04b9554d4
[INFO] running `Command { std: "docker" "start" "-a" "67f5f3308b3caa66435ec8970ed9946932ade182a9aca0119af03ab04b9554d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling woodland v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "67f5f3308b3caa66435ec8970ed9946932ade182a9aca0119af03ab04b9554d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f5f3308b3caa66435ec8970ed9946932ade182a9aca0119af03ab04b9554d4", kill_on_drop: false }`
[INFO] [stdout] 67f5f3308b3caa66435ec8970ed9946932ade182a9aca0119af03ab04b9554d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f12486136f08fb2da2afcafba23f47c9a522ca0d78c6826908cc3eac4e15b71d
[INFO] running `Command { std: "docker" "start" "-a" "f12486136f08fb2da2afcafba23f47c9a522ca0d78c6826908cc3eac4e15b71d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling woodland v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "f12486136f08fb2da2afcafba23f47c9a522ca0d78c6826908cc3eac4e15b71d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12486136f08fb2da2afcafba23f47c9a522ca0d78c6826908cc3eac4e15b71d", kill_on_drop: false }`
[INFO] [stdout] f12486136f08fb2da2afcafba23f47c9a522ca0d78c6826908cc3eac4e15b71d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] af49e6dd043afc08f1c1915b0f666e3149a10af1cba4da28722a3db56702993d
[INFO] running `Command { std: "docker" "start" "-a" "af49e6dd043afc08f1c1915b0f666e3149a10af1cba4da28722a3db56702993d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/woodland-2b475ef9f152cd68)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/binary_tree.rs (/opt/rustwide/target/debug/deps/binary_tree-223e62d8c4237688)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test mutating_root_works ... ok
[INFO] [stdout] test inorder_iterator_works ... ok
[INFO] [stdout] test postorder_iterator_works ... ok
[INFO] [stdout] test simple_tree ... ok
[INFO] [stdout] test tree_new_is_empty ... ok
[INFO] [stdout] test preorder_iterator_works ... 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 woodland
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af49e6dd043afc08f1c1915b0f666e3149a10af1cba4da28722a3db56702993d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af49e6dd043afc08f1c1915b0f666e3149a10af1cba4da28722a3db56702993d", kill_on_drop: false }`
[INFO] [stdout] af49e6dd043afc08f1c1915b0f666e3149a10af1cba4da28722a3db56702993d