[INFO] fetching crate ego-tree 0.6.2...
[INFO] testing ego-tree-0.6.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ego-tree 0.6.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ego-tree 0.6.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ego-tree 0.6.2
[INFO] finished tweaking crates.io crate ego-tree 0.6.2
[INFO] tweaked toml for crates.io crate ego-tree 0.6.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbd4d9a6e7728fb7138fa2237fd5016f53701be01534ef12a8b9f6898cc8e63d
[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" "dbd4d9a6e7728fb7138fa2237fd5016f53701be01534ef12a8b9f6898cc8e63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd4d9a6e7728fb7138fa2237fd5016f53701be01534ef12a8b9f6898cc8e63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd4d9a6e7728fb7138fa2237fd5016f53701be01534ef12a8b9f6898cc8e63d", kill_on_drop: false }`
[INFO] [stdout] dbd4d9a6e7728fb7138fa2237fd5016f53701be01534ef12a8b9f6898cc8e63d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3a5fa1a24e33d81d17a815a56628192817861051eb4f36c146fe2e1b3f826df
[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" "c3a5fa1a24e33d81d17a815a56628192817861051eb4f36c146fe2e1b3f826df", kill_on_drop: false }`
[INFO] [stderr]    Compiling ego-tree v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "c3a5fa1a24e33d81d17a815a56628192817861051eb4f36c146fe2e1b3f826df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a5fa1a24e33d81d17a815a56628192817861051eb4f36c146fe2e1b3f826df", kill_on_drop: false }`
[INFO] [stdout] c3a5fa1a24e33d81d17a815a56628192817861051eb4f36c146fe2e1b3f826df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72ee427bb2d69e144379fde9203a62f16de2b3ce55ccbdc6eaf71a2b66d04420
[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" "72ee427bb2d69e144379fde9203a62f16de2b3ce55ccbdc6eaf71a2b66d04420", kill_on_drop: false }`
[INFO] [stderr]    Compiling ego-tree v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "72ee427bb2d69e144379fde9203a62f16de2b3ce55ccbdc6eaf71a2b66d04420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72ee427bb2d69e144379fde9203a62f16de2b3ce55ccbdc6eaf71a2b66d04420", kill_on_drop: false }`
[INFO] [stdout] 72ee427bb2d69e144379fde9203a62f16de2b3ce55ccbdc6eaf71a2b66d04420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f6d70c1ce36a63212368fc801833470ae7c746ae5818defd9f6587fff4b2e03
[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" "2f6d70c1ce36a63212368fc801833470ae7c746ae5818defd9f6587fff4b2e03", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ego_tree-b710a84dc41f2c4f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iter.rs (/opt/rustwide/target/debug/deps/iter-ed4a4134d7e337e1)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test ancestors ... ok
[INFO] [stdout] test children ... ok
[INFO] [stdout] test children_rev ... ok
[INFO] [stdout] test descendants ... ok
[INFO] [stdout] test into_iter ... ok
[INFO] [stdout] test first_children ... ok
[INFO] [stdout] test last_children ... ok
[INFO] [stdout] test next_siblings ... ok
[INFO] [stdout] test nodes ... ok
[INFO] [stdout] test prev_siblings ... ok
[INFO] [stdout] test traverse ... ok
[INFO] [stdout] test values ... ok
[INFO] [stdout] test values_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-fd88d026957e2026)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test leaves ... ok
[INFO] [stdout] test leaves_comma ... ok
[INFO] [stdout] test mixed ... ok
[INFO] [stdout] test nested_leaves ... ok
[INFO] [stdout] test nested_nested ... ok
[INFO] [stdout] test nested_single_child ... ok
[INFO] [stdout] test nested_leaves_comma ... ok
[INFO] [stdout] test nested_single_child_comma ... ok
[INFO] [stdout] test root ... ok
[INFO] [stdout] test single_child ... ok
[INFO] [stdout] test single_child_comma ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/node_mut.rs (/opt/rustwide/target/debug/deps/node_mut-1dffd2f04fd2ab51)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test append_1 ... ok
[INFO] [stdout] test append_2 ... ok
[INFO] [stdout] test append_3 ... ok
[INFO] [stdout] test detach ... ok
[INFO] [stdout] test first_child ... ok
[INFO] [stdout] test has_children ... ok
[INFO] [stdout] test has_siblings ... ok
[INFO] [stdout] test insert_after ... ok
[INFO] [stdout] test insert_after_first ... ok
[INFO] [stdout] test insert_before ... ok
[INFO] [stdout] test insert_before_first ... ok
[INFO] [stdout] test into ... ok
[INFO] [stdout] test last_child ... ok
[INFO] [stdout] test next_sibling ... ok
[INFO] [stdout] test parent ... ok
[INFO] [stdout] test prepend_1 ... ok
[INFO] [stdout] test prepend_2 ... ok
[INFO] [stdout] test prepend_3 ... ok
[INFO] [stdout] test prev_sibling ... ok
[INFO] [stdout] test reparent_from_id_append ... ok
[INFO] [stdout] test reparent_from_id_prepend ... ok
[INFO] [stdout] test value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/node_ref.rs (/opt/rustwide/target/debug/deps/node_ref-352413ab277995f3)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test first_child ... ok
[INFO] [stdout] test has_children ... ok
[INFO] [stdout] test last_child ... ok
[INFO] [stdout] test next_sibling ... ok
[INFO] [stdout] test parent ... ok
[INFO] [stdout] test prev_sibling ... ok
[INFO] [stdout] test value ... ok
[INFO] [stdout] test has_siblings ... ok
[INFO] [stdout] test clone ... ok
[INFO] [stdout] test neq - should panic ... ok
[INFO] [stdout] test neq_tree - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tree.rs (/opt/rustwide/target/debug/deps/tree-f00768444b4db3cf)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test clone ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test new ... ok
[INFO] [stdout] test root ... ok
[INFO] [stdout] test root_mut ... ok
[INFO] [stdout] test orphan ... ok
[INFO] [stdout] test neq - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ego-tree
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - tree (line 577) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - tree (line 584) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f6d70c1ce36a63212368fc801833470ae7c746ae5818defd9f6587fff4b2e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6d70c1ce36a63212368fc801833470ae7c746ae5818defd9f6587fff4b2e03", kill_on_drop: false }`
[INFO] [stdout] 2f6d70c1ce36a63212368fc801833470ae7c746ae5818defd9f6587fff4b2e03