[INFO] fetching crate easy-tree 0.3.0...
[INFO] testing easy-tree-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate easy-tree 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate easy-tree 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate easy-tree 0.3.0
[INFO] tweaked toml for crates.io crate easy-tree 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate easy-tree 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate easy-tree 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db3ddee1791dd9a609609558d8870b69ad933da0fe0fd59ecbb6f9f0b7d860a5
[INFO] running `Command { std: "docker" "start" "-a" "db3ddee1791dd9a609609558d8870b69ad933da0fe0fd59ecbb6f9f0b7d860a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db3ddee1791dd9a609609558d8870b69ad933da0fe0fd59ecbb6f9f0b7d860a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3ddee1791dd9a609609558d8870b69ad933da0fe0fd59ecbb6f9f0b7d860a5", kill_on_drop: false }`
[INFO] [stdout] db3ddee1791dd9a609609558d8870b69ad933da0fe0fd59ecbb6f9f0b7d860a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5b4f48afacee834d8abc0440f97638f3ece0620b056e22a2361aa998041bb1f
[INFO] running `Command { std: "docker" "start" "-a" "f5b4f48afacee834d8abc0440f97638f3ece0620b056e22a2361aa998041bb1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "f5b4f48afacee834d8abc0440f97638f3ece0620b056e22a2361aa998041bb1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b4f48afacee834d8abc0440f97638f3ece0620b056e22a2361aa998041bb1f", kill_on_drop: false }`
[INFO] [stdout] f5b4f48afacee834d8abc0440f97638f3ece0620b056e22a2361aa998041bb1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84f1c98b39d2fa249a370f2397e9437994d79d10081e8b1180cbd0ac24c16f51
[INFO] running `Command { std: "docker" "start" "-a" "84f1c98b39d2fa249a370f2397e9437994d79d10081e8b1180cbd0ac24c16f51", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "84f1c98b39d2fa249a370f2397e9437994d79d10081e8b1180cbd0ac24c16f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f1c98b39d2fa249a370f2397e9437994d79d10081e8b1180cbd0ac24c16f51", kill_on_drop: false }`
[INFO] [stdout] 84f1c98b39d2fa249a370f2397e9437994d79d10081e8b1180cbd0ac24c16f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 445e2dc143cb5cb45c25425ace30dc05f642dac4d37c1d5922c26a106a0b57d7
[INFO] running `Command { std: "docker" "start" "-a" "445e2dc143cb5cb45c25425ace30dc05f642dac4d37c1d5922c26a106a0b57d7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/easy_tree-09f8d93b55689265)
[INFO] [stderr]    Doc-tests easy_tree
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_tree ... ok
[INFO] [stdout] test tests::test_tree_iter_mut ... ok
[INFO] [stdout] test tests::test_tree_iter ... ok
[INFO] [stdout] test tests::test_tree_traverse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - Tree<T>::new (line 233) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::add_child (line 279) ... ok
[INFO] [stdout] test src/lib.rs - Node<T>::new (line 164) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::add_node (line 256) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::add_child_to_root (line 302) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::get (line 322) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::get_mut (line 376) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::get_unchecked_mut (line 406) ... ok
[INFO] [stdout] test src/lib.rs - (line 72) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::children (line 460) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::get_unchecked (line 350) ... ok
[INFO] [stdout] test src/lib.rs - (line 93) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - Tree (line 206) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::parent_index_unchecked (line 436) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::traverse (line 484) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "445e2dc143cb5cb45c25425ace30dc05f642dac4d37c1d5922c26a106a0b57d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445e2dc143cb5cb45c25425ace30dc05f642dac4d37c1d5922c26a106a0b57d7", kill_on_drop: false }`
[INFO] [stdout] 445e2dc143cb5cb45c25425ace30dc05f642dac4d37c1d5922c26a106a0b57d7