[INFO] fetching crate ego-tree 0.6.2...
[INFO] testing ego-tree-0.6.2 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[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 d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f42c7f7093235d22ca9f754f78a02332346d8796600fca70f7e929ad2b843d6
[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" "9f42c7f7093235d22ca9f754f78a02332346d8796600fca70f7e929ad2b843d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f42c7f7093235d22ca9f754f78a02332346d8796600fca70f7e929ad2b843d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f42c7f7093235d22ca9f754f78a02332346d8796600fca70f7e929ad2b843d6", kill_on_drop: false }`
[INFO] [stdout] 9f42c7f7093235d22ca9f754f78a02332346d8796600fca70f7e929ad2b843d6
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c682a19ecc94b85ce5f997b34300aad17a800cbe1167e3f1f426066eac37cd94
[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" "c682a19ecc94b85ce5f997b34300aad17a800cbe1167e3f1f426066eac37cd94", kill_on_drop: false }`
[INFO] [stderr]    Compiling ego-tree v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "c682a19ecc94b85ce5f997b34300aad17a800cbe1167e3f1f426066eac37cd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c682a19ecc94b85ce5f997b34300aad17a800cbe1167e3f1f426066eac37cd94", kill_on_drop: false }`
[INFO] [stdout] c682a19ecc94b85ce5f997b34300aad17a800cbe1167e3f1f426066eac37cd94
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21443d677834737afaa4965ac7859a490ea72905664d026d2c3a7117791ac402
[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" "21443d677834737afaa4965ac7859a490ea72905664d026d2c3a7117791ac402", kill_on_drop: false }`
[INFO] [stderr]    Compiling ego-tree v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "21443d677834737afaa4965ac7859a490ea72905664d026d2c3a7117791ac402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21443d677834737afaa4965ac7859a490ea72905664d026d2c3a7117791ac402", kill_on_drop: false }`
[INFO] [stdout] 21443d677834737afaa4965ac7859a490ea72905664d026d2c3a7117791ac402
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 018941578a6989ae22e28b4cc7e9d909958ee27367efda320008c635282ef8d8
[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" "018941578a6989ae22e28b4cc7e9d909958ee27367efda320008c635282ef8d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ego_tree-58cb0cf142bd6c9a)
[INFO] [stderr]      Running tests/iter.rs (/opt/rustwide/target/debug/deps/iter-49771e0b5509b303)
[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] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test into_iter ... ok
[INFO] [stdout] test prev_siblings ... ok
[INFO] [stdout] test values_mut ... ok
[INFO] [stdout] test traverse ... ok
[INFO] [stdout] test nodes ... ok
[INFO] [stdout] test next_siblings ... ok
[INFO] [stdout] test last_children ... ok
[INFO] [stdout] test values ... ok
[INFO] [stdout] test first_children ... ok
[INFO] [stdout] test descendants ... ok
[INFO] [stdout] test children_rev ... ok
[INFO] [stdout] test ancestors ... ok
[INFO] [stderr]      Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-65f990f9ab3b7a41)
[INFO] [stdout] test children ... 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] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test nested_single_child_comma ... ok
[INFO] [stdout] test root ... ok
[INFO] [stdout] test nested_leaves_comma ... ok
[INFO] [stdout] test leaves_comma ... ok
[INFO] [stdout] test single_child_comma ... ok
[INFO] [stdout] test leaves ... ok
[INFO] [stderr]      Running tests/node_mut.rs (/opt/rustwide/target/debug/deps/node_mut-a7b1938d8c1dfd65)
[INFO] [stdout] test nested_single_child ... ok
[INFO] [stdout] test single_child ... ok
[INFO] [stdout] test nested_leaves ... ok
[INFO] [stdout] test nested_nested ... ok
[INFO] [stdout] test mixed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test has_children ... ok
[INFO] [stdout] test into ... ok
[INFO] [stdout] test prepend_3 ... ok
[INFO] [stdout] test insert_after_first ... ok
[INFO] [stdout] test reparent_from_id_append ... ok
[INFO] [stdout] test last_child ... ok
[INFO] [stdout] test detach ... ok
[INFO] [stderr]      Running tests/node_ref.rs (/opt/rustwide/target/debug/deps/node_ref-e0da57bb11f83258)
[INFO] [stdout] test insert_before ... ok
[INFO] [stdout] test append_1 ... ok
[INFO] [stdout] test parent ... ok
[INFO] [stdout] test next_sibling ... ok
[INFO] [stdout] test insert_before_first ... ok
[INFO] [stdout] test append_3 ... ok
[INFO] [stdout] test has_siblings ... ok
[INFO] [stdout] test value ... ok
[INFO] [stdout] test insert_after ... ok
[INFO] [stdout] test prepend_2 ... ok
[INFO] [stdout] test prepend_1 ... ok
[INFO] [stdout] test prev_sibling ... ok
[INFO] [stdout] test reparent_from_id_prepend ... ok
[INFO] [stdout] test append_2 ... ok
[INFO] [stdout] test first_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test value ... ok
[INFO] [stdout] test clone ... ok
[INFO] [stdout] test has_siblings ... ok
[INFO] [stdout] test first_child ... ok
[INFO] [stdout] test parent ... ok
[INFO] [stdout] test last_child ... ok
[INFO] [stdout] test next_sibling ... ok
[INFO] [stderr]      Running tests/tree.rs (/opt/rustwide/target/debug/deps/tree-9336d91f80e9e152)
[INFO] [stdout] test prev_sibling ... ok
[INFO] [stdout] test has_children ... 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 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test root_mut ... ok
[INFO] [stdout] test root ... ok
[INFO] [stdout] test new ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test clone ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test orphan ... ok
[INFO] [stdout] test get_mut ... 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 0.02s
[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 - tree (line 584) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "018941578a6989ae22e28b4cc7e9d909958ee27367efda320008c635282ef8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018941578a6989ae22e28b4cc7e9d909958ee27367efda320008c635282ef8d8", kill_on_drop: false }`
[INFO] [stdout] 018941578a6989ae22e28b4cc7e9d909958ee27367efda320008c635282ef8d8