[INFO] fetching crate orbtk-tree 0.3.1-alpha3...
[INFO] testing orbtk-tree-0.3.1-alpha3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate orbtk-tree 0.3.1-alpha3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate orbtk-tree 0.3.1-alpha3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate orbtk-tree 0.3.1-alpha3
[INFO] finished tweaking crates.io crate orbtk-tree 0.3.1-alpha3
[INFO] tweaked toml for crates.io crate orbtk-tree 0.3.1-alpha3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbe2c5e8143163ec5c5fa12ae62dbc31d82a4ab6ca70eb1f7eb6f76a81b933bb
[INFO] running `Command { std: "docker" "start" "-a" "dbe2c5e8143163ec5c5fa12ae62dbc31d82a4ab6ca70eb1f7eb6f76a81b933bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe2c5e8143163ec5c5fa12ae62dbc31d82a4ab6ca70eb1f7eb6f76a81b933bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe2c5e8143163ec5c5fa12ae62dbc31d82a4ab6ca70eb1f7eb6f76a81b933bb", kill_on_drop: false }`
[INFO] [stdout] dbe2c5e8143163ec5c5fa12ae62dbc31d82a4ab6ca70eb1f7eb6f76a81b933bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acb6dc30702657460292f5d038ce52457c7120c5ee2d45a3ddb313bbaf9371fc
[INFO] running `Command { std: "docker" "start" "-a" "acb6dc30702657460292f5d038ce52457c7120c5ee2d45a3ddb313bbaf9371fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling dces v0.3.0
[INFO] [stderr]    Compiling orbtk-tree v0.3.1-alpha3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "acb6dc30702657460292f5d038ce52457c7120c5ee2d45a3ddb313bbaf9371fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb6dc30702657460292f5d038ce52457c7120c5ee2d45a3ddb313bbaf9371fc", kill_on_drop: false }`
[INFO] [stdout] acb6dc30702657460292f5d038ce52457c7120c5ee2d45a3ddb313bbaf9371fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6218860c1ee2716ffd67474a186bef65a2430a71ca0fe8c783cc5e8ca46b0913
[INFO] running `Command { std: "docker" "start" "-a" "6218860c1ee2716ffd67474a186bef65a2430a71ca0fe8c783cc5e8ca46b0913", kill_on_drop: false }`
[INFO] [stderr]    Compiling orbtk-tree v0.3.1-alpha3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "6218860c1ee2716ffd67474a186bef65a2430a71ca0fe8c783cc5e8ca46b0913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6218860c1ee2716ffd67474a186bef65a2430a71ca0fe8c783cc5e8ca46b0913", kill_on_drop: false }`
[INFO] [stdout] 6218860c1ee2716ffd67474a186bef65a2430a71ca0fe8c783cc5e8ca46b0913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0368b2e19553570b5c8d55fc1b204e17cc56608edbf229ac11eaafeb48c88293
[INFO] running `Command { std: "docker" "start" "-a" "0368b2e19553570b5c8d55fc1b204e17cc56608edbf229ac11eaafeb48c88293", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/orbtk_tree-152d114422452601)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_register_entity ... ok
[INFO] [stdout] test tests::test_register_node ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stderr]    Doc-tests orbtk-tree
[INFO] [stdout] test tests::test_remove_entity ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_iterator_next ... ok
[INFO] [stdout] test tests::test_append_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0368b2e19553570b5c8d55fc1b204e17cc56608edbf229ac11eaafeb48c88293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0368b2e19553570b5c8d55fc1b204e17cc56608edbf229ac11eaafeb48c88293", kill_on_drop: false }`
[INFO] [stdout] 0368b2e19553570b5c8d55fc1b204e17cc56608edbf229ac11eaafeb48c88293