[INFO] crate indextree 4.0.0 is already in cache
[INFO] testing indextree-4.0.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate indextree 4.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate indextree 4.0.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate indextree 4.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate indextree 4.0.0
[INFO] tweaked toml for crates.io crate indextree 4.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a7a7f4a229f8b73bd6271ad67c680f5c4b4882db7caac36f1a570fda3c8c47e
[INFO] running `"docker" "start" "-a" "2a7a7f4a229f8b73bd6271ad67c680f5c4b4882db7caac36f1a570fda3c8c47e"`
[INFO] [stderr]    Compiling indextree v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "2a7a7f4a229f8b73bd6271ad67c680f5c4b4882db7caac36f1a570fda3c8c47e"`
[INFO] running `"docker" "rm" "-f" "2a7a7f4a229f8b73bd6271ad67c680f5c4b4882db7caac36f1a570fda3c8c47e"`
[INFO] [stdout] 2a7a7f4a229f8b73bd6271ad67c680f5c4b4882db7caac36f1a570fda3c8c47e
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bcfa268bf86485a02554bf194cd0f0a87e5acef01fb88c76d0be37b08e532351
[INFO] running `"docker" "start" "-a" "bcfa268bf86485a02554bf194cd0f0a87e5acef01fb88c76d0be37b08e532351"`
[INFO] [stderr]    Compiling indextree v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `"docker" "inspect" "bcfa268bf86485a02554bf194cd0f0a87e5acef01fb88c76d0be37b08e532351"`
[INFO] running `"docker" "rm" "-f" "bcfa268bf86485a02554bf194cd0f0a87e5acef01fb88c76d0be37b08e532351"`
[INFO] [stdout] bcfa268bf86485a02554bf194cd0f0a87e5acef01fb88c76d0be37b08e532351
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 339796fdae57559779544d7e557d6b5889dc99e34672d1c08a8101178dc2efe1
[INFO] running `"docker" "start" "-a" "339796fdae57559779544d7e557d6b5889dc99e34672d1c08a8101178dc2efe1"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/indextree-68bd8afde9faa79d
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/insert_error-340c53bc96b3789c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test insert_after_self ... ok
[INFO] [stdout] test prepend_self ... ok
[INFO] [stdout] test insert_before_self ... ok
[INFO] [stdout] test append_self ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-fceb56e946f68cd0
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test get ... ok
[INFO] [stdout] test first_prepend ... ok
[INFO] [stdout] test insert_removed_node ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test success_create ... ok
[INFO] [stdout] test remove ... ok
[INFO] [stdout] test success_detach ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/remove-f348fcd4de45303f
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test single_child_with_single_child ... ok
[INFO] [stdout] test last_child_with_no_children ... ok
[INFO] [stdout] test middle_child_with_no_children ... ok
[INFO] [stdout] test first_child_with_no_children ... ok
[INFO] [stdout] test middle_child_with_single_child ... ok
[INFO] [stdout] test single_child_with_no_children ... ok
[INFO] [stdout] test middle_child_with_multiple_children ... ok
[INFO] [stdout] test toplevel_with_multiple_children ... ok
[INFO] [stdout] test toplevel_with_no_child ... ok
[INFO] [stdout] test toplevel_with_single_child ... 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 indextree
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get (line 116) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get (line 106) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::new_node (line 49) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::count (line 67) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter (line 159) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter (line 171) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get_mut (line 139) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::is_empty (line 85) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::ancestors (line 57) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::append (line 468) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_prepend (line 603) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_append (line 513) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_insert_after (line 698) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_insert_before (line 798) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::children (line 174) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::descendants (line 248) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::detach (line 400) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::following_siblings (line 139) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::insert_after (line 647) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::insert_before (line 747) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::prepend (line 558) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::preceding_siblings (line 100) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_children (line 209) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::remove (line 847) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_traverse (line 333) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::traverse (line 291) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::first_child (line 87) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_traverse (line 367) ... ok
[INFO] [stdout] test src/lib.rs -  (line 11) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::last_child (line 115) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::is_removed (line 251) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::next_sibling (line 198) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::next_sibling (line 222) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::parent (line 59) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::previous_sibling (line 144) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::previous_sibling (line 168) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "339796fdae57559779544d7e557d6b5889dc99e34672d1c08a8101178dc2efe1"`
[INFO] running `"docker" "rm" "-f" "339796fdae57559779544d7e557d6b5889dc99e34672d1c08a8101178dc2efe1"`
[INFO] [stdout] 339796fdae57559779544d7e557d6b5889dc99e34672d1c08a8101178dc2efe1