[INFO] fetching crate indextree 4.4.0...
[INFO] testing indextree-4.4.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate indextree 4.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate indextree 4.4.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate indextree 4.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate indextree 4.4.0
[INFO] tweaked toml for crates.io crate indextree 4.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate indextree 4.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1b0d05fbff285327e601731fdfeb5f437a1801fbf2759adb851fb0bd246e4b4
[INFO] running `Command { std: "docker" "start" "-a" "d1b0d05fbff285327e601731fdfeb5f437a1801fbf2759adb851fb0bd246e4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1b0d05fbff285327e601731fdfeb5f437a1801fbf2759adb851fb0bd246e4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b0d05fbff285327e601731fdfeb5f437a1801fbf2759adb851fb0bd246e4b4", kill_on_drop: false }`
[INFO] [stdout] d1b0d05fbff285327e601731fdfeb5f437a1801fbf2759adb851fb0bd246e4b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f75cfc8cfaee6fc74f356f597fe0587dda340c059fd363aabdb7e282475b296
[INFO] running `Command { std: "docker" "start" "-a" "9f75cfc8cfaee6fc74f356f597fe0587dda340c059fd363aabdb7e282475b296", kill_on_drop: false }`
[INFO] [stderr]    Compiling indextree v4.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "9f75cfc8cfaee6fc74f356f597fe0587dda340c059fd363aabdb7e282475b296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f75cfc8cfaee6fc74f356f597fe0587dda340c059fd363aabdb7e282475b296", kill_on_drop: false }`
[INFO] [stdout] 9f75cfc8cfaee6fc74f356f597fe0587dda340c059fd363aabdb7e282475b296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69d8cf7bbf73d003168a12d45e6cdad4a7b8776270fb2cc541fa18c208a446f
[INFO] running `Command { std: "docker" "start" "-a" "e69d8cf7bbf73d003168a12d45e6cdad4a7b8776270fb2cc541fa18c208a446f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling indextree v4.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "e69d8cf7bbf73d003168a12d45e6cdad4a7b8776270fb2cc541fa18c208a446f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69d8cf7bbf73d003168a12d45e6cdad4a7b8776270fb2cc541fa18c208a446f", kill_on_drop: false }`
[INFO] [stdout] e69d8cf7bbf73d003168a12d45e6cdad4a7b8776270fb2cc541fa18c208a446f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a158206497f49fe04e72f348a225c222d897ecccfded324f8ca82e87b55b5ce9
[INFO] running `Command { std: "docker" "start" "-a" "a158206497f49fe04e72f348a225c222d897ecccfded324f8ca82e87b55b5ce9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/indextree-ebb1b05ff9d38980)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test arena::reuse_node ... ok
[INFO] [stdout] test id::tests::test_remove_subtree_complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/insert-error.rs (/opt/rustwide/target/debug/deps/insert_error-884ad22e99aa3d2a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test insert_before_self ... ok
[INFO] [stdout] test append_self ... ok
[INFO] [stdout] test prepend_self ... ok
[INFO] [stdout] test insert_after_self ... 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] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-a29f1eed9664d07a)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test append_ancestor ... ok
[INFO] [stdout] test first_prepend ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test is_removed ... ok
[INFO] [stdout] test insert_removed_node ... ok
[INFO] [stdout] test prepend_ancestor ... ok
[INFO] [stdout] test remove ... ok
[INFO] [stdout] test retrieve_node_id ... ok
[INFO] [stdout] test success_create ... ok
[INFO] [stdout] test success_detach ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/remove.rs (/opt/rustwide/target/debug/deps/remove-4484f9bf356baea7)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test last_child_with_no_children ... ok
[INFO] [stdout] test middle_child_with_multiple_children ... ok
[INFO] [stdout] test first_child_with_no_children ... ok
[INFO] [stdout] test toplevel_with_no_child ... ok
[INFO] [stdout] test single_child_with_no_children ... ok
[INFO] [stdout] test toplevel_with_single_child ... ok
[INFO] [stdout] test middle_child_with_no_children ... ok
[INFO] [stdout] test middle_child_with_single_child ... ok
[INFO] [stdout] test toplevel_with_multiple_children ... ok
[INFO] [stdout] test single_child_with_single_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests indextree
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::is_empty (line 125) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::previous_sibling (line 198) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get (line 146) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::count (line 107) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_children (line 261) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_insert_before (line 867) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter (line 211) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter_mut (line 236) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_append (line 573) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter (line 199) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::insert_before (line 816) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::descendants (line 301) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::ancestors (line 109) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_insert_after (line 767) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::detach (line 457) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get_mut (line 179) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::following_siblings (line 191) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_traverse (line 390) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get_node_id (line 47) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get (line 156) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::previous_sibling (line 174) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::first_child (line 117) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::preceding_siblings (line 152) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::traverse (line 346) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::insert_after (line 716) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::children (line 226) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::next_sibling (line 228) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::remove_subtree (line 994) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_traverse (line 424) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::new_node (line 79) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::append (line 526) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::prepend (line 622) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::last_child (line 145) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::is_removed (line 281) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::remove (line 916) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::next_sibling (line 252) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_prepend (line 669) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::parent (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a158206497f49fe04e72f348a225c222d897ecccfded324f8ca82e87b55b5ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a158206497f49fe04e72f348a225c222d897ecccfded324f8ca82e87b55b5ce9", kill_on_drop: false }`
[INFO] [stdout] a158206497f49fe04e72f348a225c222d897ecccfded324f8ca82e87b55b5ce9