[INFO] fetching crate ego-binary-tree 0.1.0...
[INFO] testing ego-binary-tree-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ego-binary-tree 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ego-binary-tree 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ego-binary-tree 0.1.0
[INFO] finished tweaking crates.io crate ego-binary-tree 0.1.0
[INFO] tweaked toml for crates.io crate ego-binary-tree 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4e78ad677532dc142f8c1029d2e86322383a2acdea86abd7400164ca4cb1419
[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" "a4e78ad677532dc142f8c1029d2e86322383a2acdea86abd7400164ca4cb1419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4e78ad677532dc142f8c1029d2e86322383a2acdea86abd7400164ca4cb1419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e78ad677532dc142f8c1029d2e86322383a2acdea86abd7400164ca4cb1419", kill_on_drop: false }`
[INFO] [stdout] a4e78ad677532dc142f8c1029d2e86322383a2acdea86abd7400164ca4cb1419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddadfcd4b58073f051b6e3c7bdb66522bb2ed6e18da7c1593331a1f65c357cf5
[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" "ddadfcd4b58073f051b6e3c7bdb66522bb2ed6e18da7c1593331a1f65c357cf5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ego-tree v0.6.2
[INFO] [stderr]    Compiling ego-binary-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "ddadfcd4b58073f051b6e3c7bdb66522bb2ed6e18da7c1593331a1f65c357cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddadfcd4b58073f051b6e3c7bdb66522bb2ed6e18da7c1593331a1f65c357cf5", kill_on_drop: false }`
[INFO] [stdout] ddadfcd4b58073f051b6e3c7bdb66522bb2ed6e18da7c1593331a1f65c357cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c51b17113ac49455376eea74b613d98f5f1aa8a39a9343f57ec1c06f35a97b92
[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" "c51b17113ac49455376eea74b613d98f5f1aa8a39a9343f57ec1c06f35a97b92", kill_on_drop: false }`
[INFO] [stderr]    Compiling ego-binary-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "c51b17113ac49455376eea74b613d98f5f1aa8a39a9343f57ec1c06f35a97b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51b17113ac49455376eea74b613d98f5f1aa8a39a9343f57ec1c06f35a97b92", kill_on_drop: false }`
[INFO] [stdout] c51b17113ac49455376eea74b613d98f5f1aa8a39a9343f57ec1c06f35a97b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ae903f008361478078320a89fb187f74d9c374402e62002ffa655fd9fa26ea9
[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" "1ae903f008361478078320a89fb187f74d9c374402e62002ffa655fd9fa26ea9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ego_binary_tree-bfb007f5b8c602c3
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test binary_tree::tests::binary_tree_api_works ... ok
[INFO] [stdout] test macros::tests::complicated_tree_works ... ok
[INFO] [stdout] test macros::tests::macro_root_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ego-binary-tree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/macros.rs - binary_tree (line 5) ... ok
[INFO] [stdout] test src/macros.rs - binary_tree (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ae903f008361478078320a89fb187f74d9c374402e62002ffa655fd9fa26ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae903f008361478078320a89fb187f74d9c374402e62002ffa655fd9fa26ea9", kill_on_drop: false }`
[INFO] [stdout] 1ae903f008361478078320a89fb187f74d9c374402e62002ffa655fd9fa26ea9