[INFO] fetching crate read-tree 0.2.0...
[INFO] testing read-tree-0.2.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate read-tree 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate read-tree 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate read-tree 0.2.0
[INFO] finished tweaking crates.io crate read-tree 0.2.0
[INFO] tweaked toml for crates.io crate read-tree 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46a07615b1f22219f2cd65d42c73a6d9a644434459a576aad0577c186cc9ee13
[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" "46a07615b1f22219f2cd65d42c73a6d9a644434459a576aad0577c186cc9ee13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46a07615b1f22219f2cd65d42c73a6d9a644434459a576aad0577c186cc9ee13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a07615b1f22219f2cd65d42c73a6d9a644434459a576aad0577c186cc9ee13", kill_on_drop: false }`
[INFO] [stdout] 46a07615b1f22219f2cd65d42c73a6d9a644434459a576aad0577c186cc9ee13
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9a7eb5a3982a4b1a67d2abd021067a5293538085ab791bd4cebd96604973bbd
[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" "d9a7eb5a3982a4b1a67d2abd021067a5293538085ab791bd4cebd96604973bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "d9a7eb5a3982a4b1a67d2abd021067a5293538085ab791bd4cebd96604973bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a7eb5a3982a4b1a67d2abd021067a5293538085ab791bd4cebd96604973bbd", kill_on_drop: false }`
[INFO] [stdout] d9a7eb5a3982a4b1a67d2abd021067a5293538085ab791bd4cebd96604973bbd
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a12f24bc7cbd2a2c5649812f41fe4c8e073ebcc24191a5b4c9d58c3b7dcfed9
[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" "1a12f24bc7cbd2a2c5649812f41fe4c8e073ebcc24191a5b4c9d58c3b7dcfed9", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "1a12f24bc7cbd2a2c5649812f41fe4c8e073ebcc24191a5b4c9d58c3b7dcfed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a12f24bc7cbd2a2c5649812f41fe4c8e073ebcc24191a5b4c9d58c3b7dcfed9", kill_on_drop: false }`
[INFO] [stdout] 1a12f24bc7cbd2a2c5649812f41fe4c8e073ebcc24191a5b4c9d58c3b7dcfed9
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d1bf422ea558d993bf5133f1e24e987b7c23e8ab80e0aa8a58a033b921fa60ae
[INFO] running `Command { std: "docker" "start" "-a" "d1bf422ea558d993bf5133f1e24e987b7c23e8ab80e0aa8a58a033b921fa60ae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/read_tree-c1ab894eacec633b
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::test_iter::test_iter_ancestors ... ok
[INFO] [stdout] test test::test_node::test_parent ... ok
[INFO] [stdout] test test::test_iter::test_iter_children ... ok
[INFO] [stdout] test test::test_iter::test_iter_descendants ... ok
[INFO] [stdout] test test::test_node::test_from ... ok
[INFO] [stdout] test test::test_node::test_to_tree ... ok
[INFO] [stdout] test test::test_sapling::test_clear ... ok
[INFO] [stdout] test test::test_sapling::test_err ... ok
[INFO] [stdout] test test::test_sapling::test_small ... ok
[INFO] [stdout] test test::test_sapling::test_tiny ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests read-tree
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop (line 335) ... ok
[INFO] [stdout] test src/tree.rs - tree::Descendants (line 902) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling (line 137) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::new (line 177) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::peek (line 293) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::clear (line 427) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop_as_leaf_all (line 406) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop (line 325) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop_all (line 351) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop_as_leaf (line 375) ... ok
[INFO] [stdout] test src/tree.rs - tree::Children (line 826) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1bf422ea558d993bf5133f1e24e987b7c23e8ab80e0aa8a58a033b921fa60ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bf422ea558d993bf5133f1e24e987b7c23e8ab80e0aa8a58a033b921fa60ae", kill_on_drop: false }`
[INFO] [stdout] d1bf422ea558d993bf5133f1e24e987b7c23e8ab80e0aa8a58a033b921fa60ae
