[INFO] fetching crate indextree-ng 1.0.5...
[INFO] testing indextree-ng-1.0.5 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate indextree-ng 1.0.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate indextree-ng 1.0.5
[INFO] finished tweaking crates.io crate indextree-ng 1.0.5
[INFO] tweaked toml for crates.io crate indextree-ng 1.0.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate indextree-ng 1.0.5 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 656cf30124075c87782b2d9f17eac84a3d77f774c6911be0441c870d4ff9d10a
[INFO] running `Command { std: "docker" "start" "-a" "656cf30124075c87782b2d9f17eac84a3d77f774c6911be0441c870d4ff9d10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "656cf30124075c87782b2d9f17eac84a3d77f774c6911be0441c870d4ff9d10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656cf30124075c87782b2d9f17eac84a3d77f774c6911be0441c870d4ff9d10a", kill_on_drop: false }`
[INFO] [stdout] 656cf30124075c87782b2d9f17eac84a3d77f774c6911be0441c870d4ff9d10a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af28ab6057c76c0b2bb6283c3e0b289cbb323bcc572657be592c1c8a15fdf7f0
[INFO] running `Command { std: "docker" "start" "-a" "af28ab6057c76c0b2bb6283c3e0b289cbb323bcc572657be592c1c8a15fdf7f0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling indextree-ng v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fmt.write_str(error::Error::description(self))
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:239:38
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub fn ancestors<T>(self, arena: &Arena<T>) -> Ancestors<T> {
[INFO] [stdout]     |                                      ^^^^^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub fn ancestors<T>(self, arena: &Arena<T>) -> Ancestors<'_, T> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:249:47
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn preceding_siblings<T>(self, arena: &Arena<T>) -> PrecedingSiblings<T> {
[INFO] [stdout]     |                                               ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn preceding_siblings<T>(self, arena: &Arena<T>) -> PrecedingSiblings<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:259:47
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn following_siblings<T>(self, arena: &Arena<T>) -> FollowingSiblings<T> {
[INFO] [stdout]     |                                               ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn following_siblings<T>(self, arena: &Arena<T>) -> FollowingSiblings<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:267:37
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn children<T>(self, arena: &Arena<T>) -> Children<T> {
[INFO] [stdout]     |                                     ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn children<T>(self, arena: &Arena<T>) -> Children<'_, T> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:275:45
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn reverse_children<T>(self, arena: &Arena<T>) -> ReverseChildren<T> {
[INFO] [stdout]     |                                             ^^^^^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn reverse_children<T>(self, arena: &Arena<T>) -> ReverseChildren<'_, T> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:286:40
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn descendants<T>(self, arena: &Arena<T>) -> Descendants<T> {
[INFO] [stdout]     |                                        ^^^^^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn descendants<T>(self, arena: &Arena<T>) -> Descendants<'_, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:291:37
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn traverse<T>(self, arena: &Arena<T>) -> Traverse<T> {
[INFO] [stdout]     |                                     ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn traverse<T>(self, arena: &Arena<T>) -> Traverse<'_, T> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:300:45
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn reverse_traverse<T>(self, arena: &Arena<T>) -> ReverseTraverse<T> {
[INFO] [stdout]     |                                             ^^^^^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn reverse_traverse<T>(self, arena: &Arena<T>) -> ReverseTraverse<'_, T> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "af28ab6057c76c0b2bb6283c3e0b289cbb323bcc572657be592c1c8a15fdf7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af28ab6057c76c0b2bb6283c3e0b289cbb323bcc572657be592c1c8a15fdf7f0", kill_on_drop: false }`
[INFO] [stdout] af28ab6057c76c0b2bb6283c3e0b289cbb323bcc572657be592c1c8a15fdf7f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 993ed6c44f5dcfee255abb424afddaf6cb30fae7490276b5973509150034a582
[INFO] running `Command { std: "docker" "start" "-a" "993ed6c44f5dcfee255abb424afddaf6cb30fae7490276b5973509150034a582", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fmt.write_str(error::Error::description(self))
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:239:38
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub fn ancestors<T>(self, arena: &Arena<T>) -> Ancestors<T> {
[INFO] [stdout]     |                                      ^^^^^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub fn ancestors<T>(self, arena: &Arena<T>) -> Ancestors<'_, T> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:249:47
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn preceding_siblings<T>(self, arena: &Arena<T>) -> PrecedingSiblings<T> {
[INFO] [stdout]     |                                               ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn preceding_siblings<T>(self, arena: &Arena<T>) -> PrecedingSiblings<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:259:47
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn following_siblings<T>(self, arena: &Arena<T>) -> FollowingSiblings<T> {
[INFO] [stdout]     |                                               ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn following_siblings<T>(self, arena: &Arena<T>) -> FollowingSiblings<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:267:37
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn children<T>(self, arena: &Arena<T>) -> Children<T> {
[INFO] [stdout]     |                                     ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn children<T>(self, arena: &Arena<T>) -> Children<'_, T> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:275:45
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn reverse_children<T>(self, arena: &Arena<T>) -> ReverseChildren<T> {
[INFO] [stdout]     |                                             ^^^^^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn reverse_children<T>(self, arena: &Arena<T>) -> ReverseChildren<'_, T> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:286:40
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn descendants<T>(self, arena: &Arena<T>) -> Descendants<T> {
[INFO] [stdout]     |                                        ^^^^^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn descendants<T>(self, arena: &Arena<T>) -> Descendants<'_, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:291:37
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn traverse<T>(self, arena: &Arena<T>) -> Traverse<T> {
[INFO] [stdout]     |                                     ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn traverse<T>(self, arena: &Arena<T>) -> Traverse<'_, T> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling indextree-ng v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:300:45
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn reverse_traverse<T>(self, arena: &Arena<T>) -> ReverseTraverse<T> {
[INFO] [stdout]     |                                             ^^^^^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn reverse_traverse<T>(self, arena: &Arena<T>) -> ReverseTraverse<'_, T> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/lib.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/lib.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fmt.write_str(error::Error::description(self))
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:239:38
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub fn ancestors<T>(self, arena: &Arena<T>) -> Ancestors<T> {
[INFO] [stdout]     |                                      ^^^^^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub fn ancestors<T>(self, arena: &Arena<T>) -> Ancestors<'_, T> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:249:47
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn preceding_siblings<T>(self, arena: &Arena<T>) -> PrecedingSiblings<T> {
[INFO] [stdout]     |                                               ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn preceding_siblings<T>(self, arena: &Arena<T>) -> PrecedingSiblings<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:259:47
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn following_siblings<T>(self, arena: &Arena<T>) -> FollowingSiblings<T> {
[INFO] [stdout]     |                                               ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn following_siblings<T>(self, arena: &Arena<T>) -> FollowingSiblings<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:267:37
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn children<T>(self, arena: &Arena<T>) -> Children<T> {
[INFO] [stdout]     |                                     ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn children<T>(self, arena: &Arena<T>) -> Children<'_, T> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:275:45
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn reverse_children<T>(self, arena: &Arena<T>) -> ReverseChildren<T> {
[INFO] [stdout]     |                                             ^^^^^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn reverse_children<T>(self, arena: &Arena<T>) -> ReverseChildren<'_, T> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:286:40
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn descendants<T>(self, arena: &Arena<T>) -> Descendants<T> {
[INFO] [stdout]     |                                        ^^^^^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn descendants<T>(self, arena: &Arena<T>) -> Descendants<'_, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:291:37
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn traverse<T>(self, arena: &Arena<T>) -> Traverse<T> {
[INFO] [stdout]     |                                     ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn traverse<T>(self, arena: &Arena<T>) -> Traverse<'_, T> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:300:45
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn reverse_traverse<T>(self, arena: &Arena<T>) -> ReverseTraverse<T> {
[INFO] [stdout]     |                                             ^^^^^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn reverse_traverse<T>(self, arena: &Arena<T>) -> ReverseTraverse<'_, T> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "993ed6c44f5dcfee255abb424afddaf6cb30fae7490276b5973509150034a582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993ed6c44f5dcfee255abb424afddaf6cb30fae7490276b5973509150034a582", kill_on_drop: false }`
[INFO] [stdout] 993ed6c44f5dcfee255abb424afddaf6cb30fae7490276b5973509150034a582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 176cf2360ffc5023e2380187d76d26ab821cd796bd28291bb472e0c1111123f5
[INFO] running `Command { std: "docker" "start" "-a" "176cf2360ffc5023e2380187d76d26ab821cd796bd28291bb472e0c1111123f5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |         fmt.write_str(error::Error::description(self))
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:239:38
[INFO] [stderr]     |
[INFO] [stderr] 239 |     pub fn ancestors<T>(self, arena: &Arena<T>) -> Ancestors<T> {
[INFO] [stderr]     |                                      ^^^^^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 239 |     pub fn ancestors<T>(self, arena: &Arena<T>) -> Ancestors<'_, T> {
[INFO] [stderr]     |                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:249:47
[INFO] [stderr]     |
[INFO] [stderr] 249 |     pub fn preceding_siblings<T>(self, arena: &Arena<T>) -> PrecedingSiblings<T> {
[INFO] [stderr]     |                                               ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 249 |     pub fn preceding_siblings<T>(self, arena: &Arena<T>) -> PrecedingSiblings<'_, T> {
[INFO] [stderr]     |                                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:259:47
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub fn following_siblings<T>(self, arena: &Arena<T>) -> FollowingSiblings<T> {
[INFO] [stderr]     |                                               ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub fn following_siblings<T>(self, arena: &Arena<T>) -> FollowingSiblings<'_, T> {
[INFO] [stderr]     |                                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:267:37
[INFO] [stderr]     |
[INFO] [stderr] 267 |     pub fn children<T>(self, arena: &Arena<T>) -> Children<T> {
[INFO] [stderr]     |                                     ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 267 |     pub fn children<T>(self, arena: &Arena<T>) -> Children<'_, T> {
[INFO] [stderr]     |                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:275:45
[INFO] [stderr]     |
[INFO] [stderr] 275 |     pub fn reverse_children<T>(self, arena: &Arena<T>) -> ReverseChildren<T> {
[INFO] [stderr]     |                                             ^^^^^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                             |
[INFO] [stderr]     |                                             this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 275 |     pub fn reverse_children<T>(self, arena: &Arena<T>) -> ReverseChildren<'_, T> {
[INFO] [stderr]     |                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:286:40
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn descendants<T>(self, arena: &Arena<T>) -> Descendants<T> {
[INFO] [stderr]     |                                        ^^^^^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn descendants<T>(self, arena: &Arena<T>) -> Descendants<'_, T> {
[INFO] [stderr]     |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:291:37
[INFO] [stderr]     |
[INFO] [stderr] 291 |     pub fn traverse<T>(self, arena: &Arena<T>) -> Traverse<T> {
[INFO] [stderr]     |                                     ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 291 |     pub fn traverse<T>(self, arena: &Arena<T>) -> Traverse<'_, T> {
[INFO] [stderr]     |                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:300:45
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn reverse_traverse<T>(self, arena: &Arena<T>) -> ReverseTraverse<T> {
[INFO] [stderr]     |                                             ^^^^^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                             |
[INFO] [stderr]     |                                             this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn reverse_traverse<T>(self, arena: &Arena<T>) -> ReverseTraverse<'_, T> {
[INFO] [stderr]     |                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `indextree-ng` (lib) generated 9 warnings
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/lib.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/lib.rs:80:6
[INFO] [stderr]    |
[INFO] [stderr] 80 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `indextree-ng` (test "lib") generated 2 warnings
[INFO] [stderr] warning: `indextree-ng` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/indextree_ng-432776a03e66c752)
[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] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-8fac942065fb6f92)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test arenatree_remove_node ... ok
[INFO] [stdout] test arenatree_success_create ... ok
[INFO] [stdout] test arenatree_failure_prepend - should panic ... FAILED
[INFO] [stdout] test arenatree_success_detach ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- arenatree_failure_prepend stdout ----
[INFO] [stdout] note: test did not panic as expected at tests/lib.rs:52:4
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     arenatree_failure_prepend
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test lib`
[INFO] running `Command { std: "docker" "inspect" "176cf2360ffc5023e2380187d76d26ab821cd796bd28291bb472e0c1111123f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176cf2360ffc5023e2380187d76d26ab821cd796bd28291bb472e0c1111123f5", kill_on_drop: false }`
[INFO] [stdout] 176cf2360ffc5023e2380187d76d26ab821cd796bd28291bb472e0c1111123f5
