[INFO] fetching crate vec-tree 0.1.2...
[INFO] testing vec-tree-0.1.2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] extracting crate vec-tree 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate vec-tree 0.1.2
[INFO] finished tweaking crates.io crate vec-tree 0.1.2
[INFO] tweaked toml for crates.io crate vec-tree 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec-tree 0.1.2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22aa09b2e623805a1db93402ea90ff3a59c59369b50a9b63c964f24ea352f265
[INFO] running `Command { std: "docker" "start" "-a" "22aa09b2e623805a1db93402ea90ff3a59c59369b50a9b63c964f24ea352f265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22aa09b2e623805a1db93402ea90ff3a59c59369b50a9b63c964f24ea352f265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22aa09b2e623805a1db93402ea90ff3a59c59369b50a9b63c964f24ea352f265", kill_on_drop: false }`
[INFO] [stdout] 22aa09b2e623805a1db93402ea90ff3a59c59369b50a9b63c964f24ea352f265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7da133ce0f0b278c2fc0d35653683bd29c6a080513df76e76cbee2d974715d27
[INFO] running `Command { std: "docker" "start" "-a" "7da133ce0f0b278c2fc0d35653683bd29c6a080513df76e76cbee2d974715d27", kill_on_drop: false }`
[INFO] [stderr]    Compiling generational-arena v0.2.9
[INFO] [stderr]    Compiling vec-tree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:681:21
[INFO] [stdout]     |
[INFO] [stdout] 681 |     pub fn children(&self, node_id: Index) -> ChildrenIter<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] 681 |     pub fn children(&self, node_id: Index) -> ChildrenIter<'_, T> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:691:31
[INFO] [stdout]     |
[INFO] [stdout] 691 |     pub fn preceding_siblings(&self, node_id: Index) -> PrecedingSiblingsIter<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] 691 |     pub fn preceding_siblings(&self, node_id: Index) -> PrecedingSiblingsIter<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:701:31
[INFO] [stdout]     |
[INFO] [stdout] 701 |     pub fn following_siblings(&self, node_id: Index) -> FollowingSiblingsIter<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] 701 |     pub fn following_siblings(&self, node_id: Index) -> FollowingSiblingsIter<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:711:22
[INFO] [stdout]     |
[INFO] [stdout] 711 |     pub fn ancestors(&self, node_id: Index) -> AncestorsIter<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] 711 |     pub fn ancestors(&self, node_id: Index) -> AncestorsIter<'_, T> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:719:17
[INFO] [stdout]     |
[INFO] [stdout] 719 |     fn traverse(&self, node_id: Index) -> TraverseIter<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] 719 |     fn traverse(&self, node_id: Index) -> TraverseIter<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:729:28
[INFO] [stdout]     |
[INFO] [stdout] 729 |     fn traverse_with_depth(&self, node_id: Index) -> TraverseWithDepthIter<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] 729 |     fn traverse_with_depth(&self, node_id: Index) -> TraverseWithDepthIter<'_, T> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:741:24
[INFO] [stdout]     |
[INFO] [stdout] 741 |     pub fn descendants(&self, node_id: Index) -> DescendantsIter<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] 741 |     pub fn descendants(&self, node_id: Index) -> DescendantsIter<'_, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:750:35
[INFO] [stdout]     |
[INFO] [stdout] 750 |     pub fn descendants_with_depth(&self, node_id: Index) -> DescendantsWithDepthIter<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] 750 |     pub fn descendants_with_depth(&self, node_id: Index) -> DescendantsWithDepthIter<'_, T> {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "7da133ce0f0b278c2fc0d35653683bd29c6a080513df76e76cbee2d974715d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da133ce0f0b278c2fc0d35653683bd29c6a080513df76e76cbee2d974715d27", kill_on_drop: false }`
[INFO] [stdout] 7da133ce0f0b278c2fc0d35653683bd29c6a080513df76e76cbee2d974715d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88e7d5e1bb1009961c87f722e638c0fc0b6af3408bb17f7a3987bfe94cd94de6
[INFO] running `Command { std: "docker" "start" "-a" "88e7d5e1bb1009961c87f722e638c0fc0b6af3408bb17f7a3987bfe94cd94de6", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:681:21
[INFO] [stdout]     |
[INFO] [stdout] 681 |     pub fn children(&self, node_id: Index) -> ChildrenIter<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] 681 |     pub fn children(&self, node_id: Index) -> ChildrenIter<'_, T> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:691:31
[INFO] [stdout]     |
[INFO] [stdout] 691 |     pub fn preceding_siblings(&self, node_id: Index) -> PrecedingSiblingsIter<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] 691 |     pub fn preceding_siblings(&self, node_id: Index) -> PrecedingSiblingsIter<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:701:31
[INFO] [stdout]     |
[INFO] [stdout] 701 |     pub fn following_siblings(&self, node_id: Index) -> FollowingSiblingsIter<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] 701 |     pub fn following_siblings(&self, node_id: Index) -> FollowingSiblingsIter<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:711:22
[INFO] [stdout]     |
[INFO] [stdout] 711 |     pub fn ancestors(&self, node_id: Index) -> AncestorsIter<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] 711 |     pub fn ancestors(&self, node_id: Index) -> AncestorsIter<'_, T> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:719:17
[INFO] [stdout]     |
[INFO] [stdout] 719 |     fn traverse(&self, node_id: Index) -> TraverseIter<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] 719 |     fn traverse(&self, node_id: Index) -> TraverseIter<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:729:28
[INFO] [stdout]     |
[INFO] [stdout] 729 |     fn traverse_with_depth(&self, node_id: Index) -> TraverseWithDepthIter<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] 729 |     fn traverse_with_depth(&self, node_id: Index) -> TraverseWithDepthIter<'_, T> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:741:24
[INFO] [stdout]     |
[INFO] [stdout] 741 |     pub fn descendants(&self, node_id: Index) -> DescendantsIter<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] 741 |     pub fn descendants(&self, node_id: Index) -> DescendantsIter<'_, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:750:35
[INFO] [stdout]     |
[INFO] [stdout] 750 |     pub fn descendants_with_depth(&self, node_id: Index) -> DescendantsWithDepthIter<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] 750 |     pub fn descendants_with_depth(&self, node_id: Index) -> DescendantsWithDepthIter<'_, T> {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vec-tree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:681:21
[INFO] [stdout]     |
[INFO] [stdout] 681 |     pub fn children(&self, node_id: Index) -> ChildrenIter<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] 681 |     pub fn children(&self, node_id: Index) -> ChildrenIter<'_, T> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:691:31
[INFO] [stdout]     |
[INFO] [stdout] 691 |     pub fn preceding_siblings(&self, node_id: Index) -> PrecedingSiblingsIter<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] 691 |     pub fn preceding_siblings(&self, node_id: Index) -> PrecedingSiblingsIter<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:701:31
[INFO] [stdout]     |
[INFO] [stdout] 701 |     pub fn following_siblings(&self, node_id: Index) -> FollowingSiblingsIter<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] 701 |     pub fn following_siblings(&self, node_id: Index) -> FollowingSiblingsIter<'_, T> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:711:22
[INFO] [stdout]     |
[INFO] [stdout] 711 |     pub fn ancestors(&self, node_id: Index) -> AncestorsIter<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] 711 |     pub fn ancestors(&self, node_id: Index) -> AncestorsIter<'_, T> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:719:17
[INFO] [stdout]     |
[INFO] [stdout] 719 |     fn traverse(&self, node_id: Index) -> TraverseIter<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] 719 |     fn traverse(&self, node_id: Index) -> TraverseIter<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:729:28
[INFO] [stdout]     |
[INFO] [stdout] 729 |     fn traverse_with_depth(&self, node_id: Index) -> TraverseWithDepthIter<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] 729 |     fn traverse_with_depth(&self, node_id: Index) -> TraverseWithDepthIter<'_, T> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:741:24
[INFO] [stdout]     |
[INFO] [stdout] 741 |     pub fn descendants(&self, node_id: Index) -> DescendantsIter<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] 741 |     pub fn descendants(&self, node_id: Index) -> DescendantsIter<'_, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:750:35
[INFO] [stdout]     |
[INFO] [stdout] 750 |     pub fn descendants_with_depth(&self, node_id: Index) -> DescendantsWithDepthIter<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] 750 |     pub fn descendants_with_depth(&self, node_id: Index) -> DescendantsWithDepthIter<'_, T> {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "88e7d5e1bb1009961c87f722e638c0fc0b6af3408bb17f7a3987bfe94cd94de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e7d5e1bb1009961c87f722e638c0fc0b6af3408bb17f7a3987bfe94cd94de6", kill_on_drop: false }`
[INFO] [stdout] 88e7d5e1bb1009961c87f722e638c0fc0b6af3408bb17f7a3987bfe94cd94de6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 223a4b810572425db95cde8e9373bd89a53afc78e7f789ddb50cf80888a8ae9a
[INFO] running `Command { std: "docker" "start" "-a" "223a4b810572425db95cde8e9373bd89a53afc78e7f789ddb50cf80888a8ae9a", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:681:21
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 681 |     pub fn children(&self, node_id: Index) -> ChildrenIter<T> {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                     ^^^^^                     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 
[INFO] [stderr]     |                     |
[INFO] [stdout] 
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stdout] running 1 test
[INFO] [stderr]     |
[INFO] [stdout] test cargo_readme_up_to_date ... FAILED
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] failures:
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] ---- cargo_readme_up_to_date stdout ----
[INFO] [stderr] 681 |     pub fn children(&self, node_id: Index) -> ChildrenIter<'_, T> {
[INFO] [stdout] Checking that `cargo readme > README.md` is up to date...
[INFO] [stderr]     |                                                            +++
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] thread 'cargo_readme_up_to_date' (17) panicked at tests/readme.rs:27:9:
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] Run `cargo readme > README.md` to update README.md
[INFO] [stderr]    --> src/lib.rs:691:31
[INFO] [stdout] stack backtrace:
[INFO] [stderr]     |
[INFO] [stdout]    0:     0x5f8c937dedea - std[f92b4c606f291077]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr] 691 |     pub fn preceding_siblings(&self, node_id: Index) -> PrecedingSiblingsIter<T> {
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]     |                               ^^^^^                     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    1:     0x5f8c937dedea - std[f92b4c606f291077]::backtrace_rs::backtrace::trace_unsynchronized::<std[f92b4c606f291077]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]     |                               |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]     |                               the lifetime is elided here
[INFO] [stdout]    2:     0x5f8c937dedea - std[f92b4c606f291077]::sys::backtrace::_print_fmt
[INFO] [stderr]     |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    3:     0x5f8c937dedea - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]     |
[INFO] [stdout]    4:     0x5f8c937f2b2a - <core[786f478f706679df]::fmt::rt::Argument>::fmt
[INFO] [stderr] 691 |     pub fn preceding_siblings(&self, node_id: Index) -> PrecedingSiblingsIter<'_, T> {
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]     |                                                                               +++
[INFO] [stdout]    5:     0x5f8c937f2b2a - core[786f478f706679df]::fmt::write
[INFO] [stderr] 
[INFO] [stdout]    6:     0x5f8c937e3742 - std[f92b4c606f291077]::io::default_write_fmt::<alloc[64763625b5a07cdb]::vec::Vec<u8>>
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    --> src/lib.rs:701:31
[INFO] [stdout]    7:     0x5f8c937e3742 - <alloc[64763625b5a07cdb]::vec::Vec<u8> as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stderr]     |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:1994:13
[INFO] [stderr] 701 |     pub fn following_siblings(&self, node_id: Index) -> FollowingSiblingsIter<T> {
[INFO] [stdout]    8:     0x5f8c937bde5f - <std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]     |                               ^^^^^                     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]     |                               |
[INFO] [stdout]    9:     0x5f8c937bde5f - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stderr]     |                               the lifetime is elided here
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:292:27
[INFO] [stderr]     |
[INFO] [stdout]   10:     0x5f8c937d73a9 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:316:9
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stdout]   11:     0x5f8c9377435c - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]     |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr] 701 |     pub fn following_siblings(&self, node_id: Index) -> FollowingSiblingsIter<'_, T> {
[INFO] [stdout]   12:     0x5f8c9377435c - test[20e1f0ae6cad7a17]::test_main_with_exit_callback::<test[20e1f0ae6cad7a17]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]     |                                                                               +++
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:145:21
[INFO] [stderr] 
[INFO] [stdout]   13:     0x5f8c937d7562 - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]    --> src/lib.rs:711:22
[INFO] [stdout]   14:     0x5f8c937d7562 - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stderr]     |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:833:13
[INFO] [stderr] 711 |     pub fn ancestors(&self, node_id: Index) -> AncestorsIter<T> {
[INFO] [stdout]   15:     0x5f8c937bd47c - std[f92b4c606f291077]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]     |                      ^^^^^                     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:762:9
[INFO] [stderr]     |                      |
[INFO] [stdout]   16:     0x5f8c937b5869 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]     |                      the lifetime is elided here
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     |
[INFO] [stdout]   17:     0x5f8c937b30d0 - std[f92b4c606f291077]::panicking::begin_panic::<&str>
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:761:5
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stdout]   18:     0x5f8c93765005 - readme[188159399a600f62]::cargo_readme_up_to_date
[INFO] [stderr]     |
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/readme.rs:27:9
[INFO] [stderr] 711 |     pub fn ancestors(&self, node_id: Index) -> AncestorsIter<'_, T> {
[INFO] [stdout]   19:     0x5f8c93764be7 - readme[188159399a600f62]::cargo_readme_up_to_date::{closure#0}
[INFO] [stderr]     |                                                              +++
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/readme.rs:6:29
[INFO] [stderr] 
[INFO] [stdout]   20:     0x5f8c93768066 - <readme[188159399a600f62]::cargo_readme_up_to_date::{closure#0} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stderr]    --> src/lib.rs:719:17
[INFO] [stdout]   21:     0x5f8c9376843b - <fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stderr] 719 |     fn traverse(&self, node_id: Index) -> TraverseIter<T> {
[INFO] [stdout]   22:     0x5f8c9376843b - test[20e1f0ae6cad7a17]::__rust_begin_short_backtrace::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stderr]     |                 ^^^^^                     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:663:18
[INFO] [stderr]     |                 |
[INFO] [stdout]   23:     0x5f8c93774e2b - test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:74
[INFO] [stderr]     |
[INFO] [stdout]   24:     0x5f8c93774e2b - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stdout]   25:     0x5f8c93774e2b - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stderr]     |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stderr] 719 |     fn traverse(&self, node_id: Index) -> TraverseIter<'_, T> {
[INFO] [stdout]   26:     0x5f8c93774e2b - std[f92b4c606f291077]::panicking::catch_unwind::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>>
[INFO] [stderr]     |                                                        +++
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stderr] 
[INFO] [stdout]   27:     0x5f8c93774e2b - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stderr]    --> src/lib.rs:729:28
[INFO] [stdout]   28:     0x5f8c93774e2b - test[20e1f0ae6cad7a17]::run_test_in_process
[INFO] [stderr]     |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:27
[INFO] [stderr] 729 |     fn traverse_with_depth(&self, node_id: Index) -> TraverseWithDepthIter<T> {
[INFO] [stdout]   29:     0x5f8c93774e2b - test[20e1f0ae6cad7a17]::run_test::{closure#0}
[INFO] [stderr]     |                            ^^^^^                     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:607:43
[INFO] [stderr]     |                            |
[INFO] [stdout]   30:     0x5f8c93770544 - test[20e1f0ae6cad7a17]::run_test::{closure#1}
[INFO] [stderr]     |                            the lifetime is elided here
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:637:41
[INFO] [stderr]     |
[INFO] [stdout]   31:     0x5f8c93770544 - std[f92b4c606f291077]::sys::backtrace::__rust_begin_short_backtrace::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stdout]   32:     0x5f8c93777a32 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]     |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr] 729 |     fn traverse_with_depth(&self, node_id: Index) -> TraverseWithDepthIter<'_, T> {
[INFO] [stdout]   33:     0x5f8c93777a32 - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     |                                                                            +++
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr] 
[INFO] [stdout]   34:     0x5f8c93777a32 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stderr]    --> src/lib.rs:741:24
[INFO] [stdout]   35:     0x5f8c93777a32 - std[f92b4c606f291077]::panicking::catch_unwind::<(), core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]     |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stderr] 741 |     pub fn descendants(&self, node_id: Index) -> DescendantsIter<T> {
[INFO] [stdout]   36:     0x5f8c93777a32 - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]     |                        ^^^^^                     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stderr]     |                        |
[INFO] [stdout]   37:     0x5f8c93777a32 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]     |
[INFO] [stdout]   38:     0x5f8c93777a32 - <std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stdout]   39:     0x5f8c937de6ff - <alloc[64763625b5a07cdb]::boxed::Box<dyn core[786f478f706679df]::ops::function::FnOnce<(), Output = ()> + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2240:9
[INFO] [stderr] 741 |     pub fn descendants(&self, node_id: Index) -> DescendantsIter<'_, T> {
[INFO] [stdout]   40:     0x5f8c937de6ff - <std[f92b4c606f291077]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]     |                                                                  +++
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stderr] 
[INFO] [stdout]   41:     0x7f009f835aa4 - <unknown>
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   42:     0x7f009f8c2a64 - clone
[INFO] [stderr]    --> src/lib.rs:750:35
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 750 |     pub fn descendants_with_depth(&self, node_id: Index) -> DescendantsWithDepthIter<T> {
[INFO] [stdout] 
[INFO] [stderr]     |                                   ^^^^^                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] failures:
[INFO] [stderr]     |                                   |
[INFO] [stdout]     cargo_readme_up_to_date
[INFO] [stderr]     |                                   the lifetime is elided here
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] 
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 750 |     pub fn descendants_with_depth(&self, node_id: Index) -> DescendantsWithDepthIter<'_, T> {
[INFO] [stderr]     |                                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `vec-tree` (lib) generated 8 warnings (run `cargo fix --lib -p vec-tree` to apply 8 suggestions)
[INFO] [stderr] warning: `vec-tree` (lib test) generated 8 warnings (8 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/vec_tree-325fdcf1a4741e9b)
[INFO] [stderr]      Running tests/readme.rs (/opt/rustwide/target/debug/deps/readme-ea7945c9158da2e6)
[INFO] [stderr] error: test failed, to rerun pass `--test readme`
[INFO] running `Command { std: "docker" "inspect" "223a4b810572425db95cde8e9373bd89a53afc78e7f789ddb50cf80888a8ae9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "223a4b810572425db95cde8e9373bd89a53afc78e7f789ddb50cf80888a8ae9a", kill_on_drop: false }`
[INFO] [stdout] 223a4b810572425db95cde8e9373bd89a53afc78e7f789ddb50cf80888a8ae9a
