[INFO] fetching crate tree-struct 0.1.1...
[INFO] testing tree-struct-0.1.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate tree-struct 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tree-struct 0.1.1
[INFO] finished tweaking crates.io crate tree-struct 0.1.1
[INFO] tweaked toml for crates.io crate tree-struct 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-struct 0.1.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ptrplus v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c6c7789ae794e38a0fee9212f019199c54c5921e92aeccd9db2847c458b244a
[INFO] running `Command { std: "docker" "start" "-a" "1c6c7789ae794e38a0fee9212f019199c54c5921e92aeccd9db2847c458b244a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c6c7789ae794e38a0fee9212f019199c54c5921e92aeccd9db2847c458b244a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6c7789ae794e38a0fee9212f019199c54c5921e92aeccd9db2847c458b244a", kill_on_drop: false }`
[INFO] [stdout] 1c6c7789ae794e38a0fee9212f019199c54c5921e92aeccd9db2847c458b244a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2453ae71e25e9ff8bc17256132359e0fb99f2ebc60d29f5cfdc743a7f3ba3bdd
[INFO] running `Command { std: "docker" "start" "-a" "2453ae71e25e9ff8bc17256132359e0fb99f2ebc60d29f5cfdc743a7f3ba3bdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ptrplus v2.1.0
[INFO] [stderr]    Compiling tree-struct v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn iter_bfs(&self) -> IterBFS<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] 86 |     pub fn iter_bfs(&self) -> IterBFS<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter_dfs(&self) -> IterDFS<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 iter_dfs(&self) -> IterDFS<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:237:21
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn iter_bfs(&self) -> IterBFS<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] 237 |     pub fn iter_bfs(&self) -> IterBFS<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:242:21
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn iter_dfs(&self) -> IterDFS<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] 242 |     pub fn iter_dfs(&self) -> IterDFS<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:318:23
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub fn debug_tree(&self) -> DebugTree<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] 318 |     pub fn debug_tree(&self) -> DebugTree<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "2453ae71e25e9ff8bc17256132359e0fb99f2ebc60d29f5cfdc743a7f3ba3bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2453ae71e25e9ff8bc17256132359e0fb99f2ebc60d29f5cfdc743a7f3ba3bdd", kill_on_drop: false }`
[INFO] [stdout] 2453ae71e25e9ff8bc17256132359e0fb99f2ebc60d29f5cfdc743a7f3ba3bdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a14eb8292a9fbc2a16d4db0ecb87b40d4e21d433a82bbf6495fd8169fca4b1d9
[INFO] running `Command { std: "docker" "start" "-a" "a14eb8292a9fbc2a16d4db0ecb87b40d4e21d433a82bbf6495fd8169fca4b1d9", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn iter_bfs(&self) -> IterBFS<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] 86 |     pub fn iter_bfs(&self) -> IterBFS<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter_dfs(&self) -> IterDFS<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 iter_dfs(&self) -> IterDFS<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tree-struct v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:237:21
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn iter_bfs(&self) -> IterBFS<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] 237 |     pub fn iter_bfs(&self) -> IterBFS<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:242:21
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn iter_dfs(&self) -> IterDFS<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] 242 |     pub fn iter_dfs(&self) -> IterDFS<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:318:23
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub fn debug_tree(&self) -> DebugTree<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] 318 |     pub fn debug_tree(&self) -> DebugTree<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn iter_bfs(&self) -> IterBFS<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] 86 |     pub fn iter_bfs(&self) -> IterBFS<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter_dfs(&self) -> IterDFS<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 iter_dfs(&self) -> IterDFS<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:237:21
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn iter_bfs(&self) -> IterBFS<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] 237 |     pub fn iter_bfs(&self) -> IterBFS<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:242:21
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn iter_dfs(&self) -> IterDFS<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] 242 |     pub fn iter_dfs(&self) -> IterDFS<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:318:23
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub fn debug_tree(&self) -> DebugTree<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] 318 |     pub fn debug_tree(&self) -> DebugTree<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "a14eb8292a9fbc2a16d4db0ecb87b40d4e21d433a82bbf6495fd8169fca4b1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14eb8292a9fbc2a16d4db0ecb87b40d4e21d433a82bbf6495fd8169fca4b1d9", kill_on_drop: false }`
[INFO] [stdout] a14eb8292a9fbc2a16d4db0ecb87b40d4e21d433a82bbf6495fd8169fca4b1d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11c92a455b304599653c676f6abee3c3d701a73027093e6c313899921ee72c9b
[INFO] running `Command { std: "docker" "start" "-a" "11c92a455b304599653c676f6abee3c3d701a73027093e6c313899921ee72c9b", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn iter_bfs(&self) -> IterBFS<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] 86 |     pub fn iter_bfs(&self) -> IterBFS<'_, T> {
[INFO] [stderr]    |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn iter_dfs(&self) -> IterDFS<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 iter_dfs(&self) -> IterDFS<'_, T> {
[INFO] [stderr]    |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/node.rs:237:21
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn iter_bfs(&self) -> IterBFS<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] 237 |     pub fn iter_bfs(&self) -> IterBFS<'_, T> {
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/node.rs:242:21
[INFO] [stderr]     |
[INFO] [stderr] 242 |     pub fn iter_dfs(&self) -> IterDFS<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] 242 |     pub fn iter_dfs(&self) -> IterDFS<'_, T> {
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/node.rs:318:23
[INFO] [stderr]     |
[INFO] [stderr] 318 |     pub fn debug_tree(&self) -> DebugTree<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] 318 |     pub fn debug_tree(&self) -> DebugTree<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `tree-struct` (lib) generated 5 warnings (run `cargo fix --lib -p tree-struct` to apply 5 suggestions)
[INFO] [stderr] warning: `tree-struct` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_struct-9ba467167ab2c8d5)
[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/iter.rs (/opt/rustwide/target/debug/deps/iter-6e6410e975acc1be)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test breadth_first ... ok
[INFO] [stdout] test depth_first ... 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/node.rs (/opt/rustwide/target/debug/deps/node-2c42e8bccb533eb2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test append_child ... ok
[INFO] [stdout] test dangling ... ok
[INFO] [stdout] test detach ... ok
[INFO] [stdout] test siblings ... ok
[INFO] [stdout] test clone ... ok
[INFO] [stderr]    Doc-tests tree_struct
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/node.rs - node::NodeBuilder (line 11) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::detach_descendant (line 46) ... ok
[INFO] [stdout] test src/lib.rs - Tree<T>::borrow_descendant (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11c92a455b304599653c676f6abee3c3d701a73027093e6c313899921ee72c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c92a455b304599653c676f6abee3c3d701a73027093e6c313899921ee72c9b", kill_on_drop: false }`
[INFO] [stdout] 11c92a455b304599653c676f6abee3c3d701a73027093e6c313899921ee72c9b
