[INFO] fetching crate tree-cursor 0.3.0...
[INFO] testing tree-cursor-0.3.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate tree-cursor 0.3.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate tree-cursor 0.3.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree-cursor 0.3.0
[INFO] finished tweaking crates.io crate tree-cursor 0.3.0
[INFO] tweaked toml for crates.io crate tree-cursor 0.3.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01d636da726e69a81da6d8047c4bf20df8f83ba46f145a01fb5d84da41b94c4c
[INFO] running `Command { std: "docker" "start" "-a" "01d636da726e69a81da6d8047c4bf20df8f83ba46f145a01fb5d84da41b94c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01d636da726e69a81da6d8047c4bf20df8f83ba46f145a01fb5d84da41b94c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d636da726e69a81da6d8047c4bf20df8f83ba46f145a01fb5d84da41b94c4c", kill_on_drop: false }`
[INFO] [stdout] 01d636da726e69a81da6d8047c4bf20df8f83ba46f145a01fb5d84da41b94c4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58254b80456dda7cad9ff6a1131f4d2fc7564d3419744e1cf7bb64db97ef7656
[INFO] running `Command { std: "docker" "start" "-a" "58254b80456dda7cad9ff6a1131f4d2fc7564d3419744e1cf7bb64db97ef7656", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-cursor v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "58254b80456dda7cad9ff6a1131f4d2fc7564d3419744e1cf7bb64db97ef7656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58254b80456dda7cad9ff6a1131f4d2fc7564d3419744e1cf7bb64db97ef7656", kill_on_drop: false }`
[INFO] [stdout] 58254b80456dda7cad9ff6a1131f4d2fc7564d3419744e1cf7bb64db97ef7656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17c557e5fc4eb4f5332aaa0cefef3e9121547e46b0e8df8e4a3821fd45b61e82
[INFO] running `Command { std: "docker" "start" "-a" "17c557e5fc4eb4f5332aaa0cefef3e9121547e46b0e8df8e4a3821fd45b61e82", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-cursor v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "17c557e5fc4eb4f5332aaa0cefef3e9121547e46b0e8df8e4a3821fd45b61e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c557e5fc4eb4f5332aaa0cefef3e9121547e46b0e8df8e4a3821fd45b61e82", kill_on_drop: false }`
[INFO] [stdout] 17c557e5fc4eb4f5332aaa0cefef3e9121547e46b0e8df8e4a3821fd45b61e82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83fc619508d8c546831a578f3e94640e21d54f42be602bf2c322dbca88d369d4
[INFO] running `Command { std: "docker" "start" "-a" "83fc619508d8c546831a578f3e94640e21d54f42be602bf2c322dbca88d369d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tree_cursor-5e092cd42f725790)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::link_tree::link_tree ... ok
[INFO] [stdout] test tests::link_tree::link_tree_scoped_down ... ok
[INFO] [stdout] test tests::standard_tree::full_traversal ... ok
[INFO] [stdout] test tests::hashmap_tree::down_map ... ok
[INFO] [stdout] test tests::standard_tree::get ... ok
[INFO] [stdout] test tests::standard_tree::iter_down ... ok
[INFO] [stdout] test tests::standard_tree::scoped_down ... ok
[INFO] [stdout] test tests::standard_tree::set_pos_error ... ok
[INFO] [stdout] test tests::standard_tree::take ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree-cursor
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83fc619508d8c546831a578f3e94640e21d54f42be602bf2c322dbca88d369d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fc619508d8c546831a578f3e94640e21d54f42be602bf2c322dbca88d369d4", kill_on_drop: false }`
[INFO] [stdout] 83fc619508d8c546831a578f3e94640e21d54f42be602bf2c322dbca88d369d4