[INFO] crate orbtk-tree 0.3.1-alpha2 is already in cache
[INFO] testing orbtk-tree-0.3.1-alpha2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate orbtk-tree 0.3.1-alpha2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate orbtk-tree 0.3.1-alpha2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate orbtk-tree 0.3.1-alpha2
[INFO] finished tweaking crates.io crate orbtk-tree 0.3.1-alpha2
[INFO] tweaked toml for crates.io crate orbtk-tree 0.3.1-alpha2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3edc0bf93141211a8f016bc0c6f9a5074a0dde0edbf3a0dcf13e68ae2900b475
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3edc0bf93141211a8f016bc0c6f9a5074a0dde0edbf3a0dcf13e68ae2900b475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3edc0bf93141211a8f016bc0c6f9a5074a0dde0edbf3a0dcf13e68ae2900b475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3edc0bf93141211a8f016bc0c6f9a5074a0dde0edbf3a0dcf13e68ae2900b475", kill_on_drop: false }`
[INFO] [stdout] 3edc0bf93141211a8f016bc0c6f9a5074a0dde0edbf3a0dcf13e68ae2900b475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef55a219bed6e74081058eef6594c95ccb191ab7d57a67e2f6aee04c3b9dfa85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef55a219bed6e74081058eef6594c95ccb191ab7d57a67e2f6aee04c3b9dfa85", kill_on_drop: false }`
[INFO] [stderr]    Compiling dces v0.2.0
[INFO] [stderr]    Compiling orbtk-tree v0.3.1-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "ef55a219bed6e74081058eef6594c95ccb191ab7d57a67e2f6aee04c3b9dfa85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef55a219bed6e74081058eef6594c95ccb191ab7d57a67e2f6aee04c3b9dfa85", kill_on_drop: false }`
[INFO] [stdout] ef55a219bed6e74081058eef6594c95ccb191ab7d57a67e2f6aee04c3b9dfa85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd47978ca1de009b670e1e40864f97d6e8be4ebcb4998696ca374364945d2412
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd47978ca1de009b670e1e40864f97d6e8be4ebcb4998696ca374364945d2412", kill_on_drop: false }`
[INFO] [stderr]    Compiling orbtk-tree v0.3.1-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "fd47978ca1de009b670e1e40864f97d6e8be4ebcb4998696ca374364945d2412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd47978ca1de009b670e1e40864f97d6e8be4ebcb4998696ca374364945d2412", kill_on_drop: false }`
[INFO] [stdout] fd47978ca1de009b670e1e40864f97d6e8be4ebcb4998696ca374364945d2412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 422d71b56fa4b1cb535a4810b82daaeedfd25bed4df9fa594aa16687aad345da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "422d71b56fa4b1cb535a4810b82daaeedfd25bed4df9fa594aa16687aad345da", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/orbtk_tree-42308f97bd7755a6
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_register_node ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_iterator_next ... ok
[INFO] [stderr]    Doc-tests orbtk-tree
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_register_entity ... ok
[INFO] [stdout] test tests::test_remove_entity ... 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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "422d71b56fa4b1cb535a4810b82daaeedfd25bed4df9fa594aa16687aad345da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422d71b56fa4b1cb535a4810b82daaeedfd25bed4df9fa594aa16687aad345da", kill_on_drop: false }`
[INFO] [stdout] 422d71b56fa4b1cb535a4810b82daaeedfd25bed4df9fa594aa16687aad345da