[INFO] fetching crate woodland 0.0.4...
[INFO] testing woodland-0.0.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate woodland 0.0.4 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate woodland 0.0.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14101d89ee1fb1fedfc7e048416d5e33c534e1f7bec9c662c5eb7181de7ad64d
[INFO] running `Command { std: "docker" "start" "-a" "14101d89ee1fb1fedfc7e048416d5e33c534e1f7bec9c662c5eb7181de7ad64d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14101d89ee1fb1fedfc7e048416d5e33c534e1f7bec9c662c5eb7181de7ad64d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14101d89ee1fb1fedfc7e048416d5e33c534e1f7bec9c662c5eb7181de7ad64d", kill_on_drop: false }`
[INFO] [stdout] 14101d89ee1fb1fedfc7e048416d5e33c534e1f7bec9c662c5eb7181de7ad64d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d41bd01b824c36bf1fb2d3b79007a962457dceb83b4f6ff439045102d9e6b9bd
[INFO] running `Command { std: "docker" "start" "-a" "d41bd01b824c36bf1fb2d3b79007a962457dceb83b4f6ff439045102d9e6b9bd", 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 dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "d41bd01b824c36bf1fb2d3b79007a962457dceb83b4f6ff439045102d9e6b9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41bd01b824c36bf1fb2d3b79007a962457dceb83b4f6ff439045102d9e6b9bd", kill_on_drop: false }`
[INFO] [stdout] d41bd01b824c36bf1fb2d3b79007a962457dceb83b4f6ff439045102d9e6b9bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4085f8762dd1e888217f41f76959b03f8faa8147b42e8cfc4ce759fe7195d21
[INFO] running `Command { std: "docker" "start" "-a" "a4085f8762dd1e888217f41f76959b03f8faa8147b42e8cfc4ce759fe7195d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling woodland v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "a4085f8762dd1e888217f41f76959b03f8faa8147b42e8cfc4ce759fe7195d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4085f8762dd1e888217f41f76959b03f8faa8147b42e8cfc4ce759fe7195d21", kill_on_drop: false }`
[INFO] [stdout] a4085f8762dd1e888217f41f76959b03f8faa8147b42e8cfc4ce759fe7195d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8bdac809668d1b878c8ba959bce573d6b6dc8d2ff0f8acc22cebf171d4ecf8d8
[INFO] running `Command { std: "docker" "start" "-a" "8bdac809668d1b878c8ba959bce573d6b6dc8d2ff0f8acc22cebf171d4ecf8d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/woodland-74701994bfe9a285)
[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-3525da6ab0515833)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test inorder_iterator_works ... ok
[INFO] [stdout] test preorder_iterator_works ... ok
[INFO] [stdout] test postorder_iterator_works ... ok
[INFO] [stdout] test tree_new_is_empty ... ok
[INFO] [stdout] test simple_tree ... ok
[INFO] [stdout] test mutating_root_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 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bdac809668d1b878c8ba959bce573d6b6dc8d2ff0f8acc22cebf171d4ecf8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bdac809668d1b878c8ba959bce573d6b6dc8d2ff0f8acc22cebf171d4ecf8d8", kill_on_drop: false }`
[INFO] [stdout] 8bdac809668d1b878c8ba959bce573d6b6dc8d2ff0f8acc22cebf171d4ecf8d8