[INFO] cloning repository https://github.com/1ort/rust-bst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1ort/rust-bst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ort%2Frust-bst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ort%2Frust-bst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfc1b52795d063541cf5193de29689f2b2130cde
[INFO] testing 1ort/rust-bst against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ort%2Frust-bst" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/1ort/rust-bst
[INFO] finished tweaking git repo https://github.com/1ort/rust-bst
[INFO] tweaked toml for git repo https://github.com/1ort/rust-bst written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1ort/rust-bst on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/1ort/rust-bst 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8279f3fd49df861f6dc6f9cd81a5f34f6f056281b8133245d99d2073b77e8836
[INFO] running `Command { std: "docker" "start" "-a" "8279f3fd49df861f6dc6f9cd81a5f34f6f056281b8133245d99d2073b77e8836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8279f3fd49df861f6dc6f9cd81a5f34f6f056281b8133245d99d2073b77e8836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8279f3fd49df861f6dc6f9cd81a5f34f6f056281b8133245d99d2073b77e8836", kill_on_drop: false }`
[INFO] [stdout] 8279f3fd49df861f6dc6f9cd81a5f34f6f056281b8133245d99d2073b77e8836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e9d3a86cac5ad48d0bdff297ed061b2927fbbcce0fbcf2f300850765da34cf6
[INFO] running `Command { std: "docker" "start" "-a" "5e9d3a86cac5ad48d0bdff297ed061b2927fbbcce0fbcf2f300850765da34cf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:84:30
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn inorder_traversal(&self) -> InorderTraversalIterator<T> {
[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] 84 |     pub fn inorder_traversal(&self) -> InorderTraversalIterator<'_, T> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn reverse_order_traversal(&self) -> ReverseOrderTraversalIterator<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn reverse_order_traversal(&self) -> ReverseOrderTraversalIterator<'_, T> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "5e9d3a86cac5ad48d0bdff297ed061b2927fbbcce0fbcf2f300850765da34cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9d3a86cac5ad48d0bdff297ed061b2927fbbcce0fbcf2f300850765da34cf6", kill_on_drop: false }`
[INFO] [stdout] 5e9d3a86cac5ad48d0bdff297ed061b2927fbbcce0fbcf2f300850765da34cf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3976245b8f3e2917ac1214d6fac31ef4b5e931d390340d6a3302e015f0c569fd
[INFO] running `Command { std: "docker" "start" "-a" "3976245b8f3e2917ac1214d6fac31ef4b5e931d390340d6a3302e015f0c569fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling bst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:84:30
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn inorder_traversal(&self) -> InorderTraversalIterator<T> {
[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] 84 |     pub fn inorder_traversal(&self) -> InorderTraversalIterator<'_, T> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn reverse_order_traversal(&self) -> ReverseOrderTraversalIterator<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn reverse_order_traversal(&self) -> ReverseOrderTraversalIterator<'_, T> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:84:30
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn inorder_traversal(&self) -> InorderTraversalIterator<T> {
[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] 84 |     pub fn inorder_traversal(&self) -> InorderTraversalIterator<'_, T> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn reverse_order_traversal(&self) -> ReverseOrderTraversalIterator<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn reverse_order_traversal(&self) -> ReverseOrderTraversalIterator<'_, T> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "3976245b8f3e2917ac1214d6fac31ef4b5e931d390340d6a3302e015f0c569fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3976245b8f3e2917ac1214d6fac31ef4b5e931d390340d6a3302e015f0c569fd", kill_on_drop: false }`
[INFO] [stdout] 3976245b8f3e2917ac1214d6fac31ef4b5e931d390340d6a3302e015f0c569fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f693e2398d35d1e7f8313097411e7df050ff0158ebff0981c80b740aaa1ac93d
[INFO] running `Command { std: "docker" "start" "-a" "f693e2398d35d1e7f8313097411e7df050ff0158ebff0981c80b740aaa1ac93d", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:84:30
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn inorder_traversal(&self) -> InorderTraversalIterator<T> {
[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] 84 |     pub fn inorder_traversal(&self) -> InorderTraversalIterator<'_, T> {
[INFO] [stderr]    |                                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:91:36
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn reverse_order_traversal(&self) -> ReverseOrderTraversalIterator<T> {
[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] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn reverse_order_traversal(&self) -> ReverseOrderTraversalIterator<'_, T> {
[INFO] [stderr]    |                                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `bst` (lib) generated 2 warnings (run `cargo fix --lib -p bst` to apply 2 suggestions)
[INFO] [stderr] warning: `bst` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bst-228fe10a27785734)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests bst
[INFO] [stdout] test tests::bst ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "f693e2398d35d1e7f8313097411e7df050ff0158ebff0981c80b740aaa1ac93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f693e2398d35d1e7f8313097411e7df050ff0158ebff0981c80b740aaa1ac93d", kill_on_drop: false }`
[INFO] [stdout] f693e2398d35d1e7f8313097411e7df050ff0158ebff0981c80b740aaa1ac93d
