[INFO] cloning repository https://github.com/mosson/btree-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mosson/btree-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosson%2Fbtree-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosson%2Fbtree-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7139d9d9c840817a7a937ba53226c8a571017f9
[INFO] testing mosson/btree-study against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosson%2Fbtree-study" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mosson/btree-study
[INFO] finished tweaking git repo https://github.com/mosson/btree-study
[INFO] tweaked toml for git repo https://github.com/mosson/btree-study written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mosson/btree-study on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mosson/btree-study 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc3cf306199a51040e83613b34d552303306022348fd06f389105365979b7967
[INFO] running `Command { std: "docker" "start" "-a" "dc3cf306199a51040e83613b34d552303306022348fd06f389105365979b7967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc3cf306199a51040e83613b34d552303306022348fd06f389105365979b7967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3cf306199a51040e83613b34d552303306022348fd06f389105365979b7967", kill_on_drop: false }`
[INFO] [stdout] dc3cf306199a51040e83613b34d552303306022348fd06f389105365979b7967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 209d13d7b776b64558d855d9ea8b3d7017ab702d9f9c30f71df87bae40ba6e6d
[INFO] running `Command { std: "docker" "start" "-a" "209d13d7b776b64558d855d9ea8b3d7017ab702d9f9c30f71df87bae40ba6e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling btree-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn iter(&self) -> BTreeIterator<T, D> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn iter(&self) -> BTreeIterator<'_, T, D> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "209d13d7b776b64558d855d9ea8b3d7017ab702d9f9c30f71df87bae40ba6e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209d13d7b776b64558d855d9ea8b3d7017ab702d9f9c30f71df87bae40ba6e6d", kill_on_drop: false }`
[INFO] [stdout] 209d13d7b776b64558d855d9ea8b3d7017ab702d9f9c30f71df87bae40ba6e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e68c5b26a6d38b6ae8803b5d0f38f46777019c3ec25cb7c221675b95335d4e35
[INFO] running `Command { std: "docker" "start" "-a" "e68c5b26a6d38b6ae8803b5d0f38f46777019c3ec25cb7c221675b95335d4e35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn iter(&self) -> BTreeIterator<T, D> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn iter(&self) -> BTreeIterator<'_, T, D> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling toml_edit v0.23.6
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rstest v0.26.1
[INFO] [stderr]    Compiling btree-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn iter(&self) -> BTreeIterator<T, D> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn iter(&self) -> BTreeIterator<'_, T, D> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.39s
[INFO] running `Command { std: "docker" "inspect" "e68c5b26a6d38b6ae8803b5d0f38f46777019c3ec25cb7c221675b95335d4e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68c5b26a6d38b6ae8803b5d0f38f46777019c3ec25cb7c221675b95335d4e35", kill_on_drop: false }`
[INFO] [stdout] e68c5b26a6d38b6ae8803b5d0f38f46777019c3ec25cb7c221675b95335d4e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b46eb21fd9ee3c56ccda319b9d4617929edbecee4962d5b83c24f53b656043ef
[INFO] running `Command { std: "docker" "start" "-a" "b46eb21fd9ee3c56ccda319b9d4617929edbecee4962d5b83c24f53b656043ef", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn iter(&self) -> BTreeIterator<T, D> {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn iter(&self) -> BTreeIterator<'_, T, D> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: `btree-study` (lib) generated 1 warning (run `cargo fix --lib -p btree-study` to apply 1 suggestion)
[INFO] [stderr] warning: `btree-study` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/btree_study-210b35843294eb80)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_delete_leaf_node ... ok
[INFO] [stdout] test tests::test_find_parent_and_index::case_1 ... ok
[INFO] [stdout] test tests::test_delete_intermediate_node ... ok
[INFO] [stdout] test tests::test_find_parent_and_index::case_3 - should panic ... FAILED
[INFO] [stdout] test tests::test_find_parent_and_index::case_7 ... ok
[INFO] [stdout] test tests::test_find_parent_and_index::case_9 ... ok
[INFO] [stdout] test tests::test_find_parent_and_index::case_4 ... ok
[INFO] [stdout] test tests::test_find_parent_and_index::case_5 ... ok
[INFO] [stdout] test tests::test_simple_insert ... ok
[INFO] [stdout] test tests::test_find_parent_and_index::case_6 - should panic ... FAILED
[INFO] [stdout] test tests::test_find_parent_and_index::case_2 ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::test_find_parent_and_index::case_8 - should panic ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_find_parent_and_index::case_3 stdout ----
[INFO] [stdout] note: test did not panic as expected at src/lib.rs:446:8
[INFO] [stdout] ---- tests::test_find_parent_and_index::case_6 stdout ----
[INFO] [stdout] note: test did not panic as expected at src/lib.rs:446:8
[INFO] [stdout] ---- tests::test_find_parent_and_index::case_8 stdout ----
[INFO] [stdout] note: test did not panic as expected at src/lib.rs:446:8
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_find_parent_and_index::case_3
[INFO] [stdout]     tests::test_find_parent_and_index::case_6
[INFO] [stdout]     tests::test_find_parent_and_index::case_8
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b46eb21fd9ee3c56ccda319b9d4617929edbecee4962d5b83c24f53b656043ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46eb21fd9ee3c56ccda319b9d4617929edbecee4962d5b83c24f53b656043ef", kill_on_drop: false }`
[INFO] [stdout] b46eb21fd9ee3c56ccda319b9d4617929edbecee4962d5b83c24f53b656043ef
