[INFO] fetching crate read-tree 0.2.0...
[INFO] testing read-tree-0.2.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate read-tree 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate read-tree 0.2.0
[INFO] finished tweaking crates.io crate read-tree 0.2.0
[INFO] tweaked toml for crates.io crate read-tree 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate read-tree 0.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12e91302ba198474bfce9a71f8b513243ff28f91013b8b9039f06f356408ffee
[INFO] running `Command { std: "docker" "start" "-a" "12e91302ba198474bfce9a71f8b513243ff28f91013b8b9039f06f356408ffee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12e91302ba198474bfce9a71f8b513243ff28f91013b8b9039f06f356408ffee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e91302ba198474bfce9a71f8b513243ff28f91013b8b9039f06f356408ffee", kill_on_drop: false }`
[INFO] [stdout] 12e91302ba198474bfce9a71f8b513243ff28f91013b8b9039f06f356408ffee
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9175548d24a39d7299c68fb3cb074b85b42eebe1907a4fb33f7b8c07c4316020
[INFO] running `Command { std: "docker" "start" "-a" "9175548d24a39d7299c68fb3cb074b85b42eebe1907a4fb33f7b8c07c4316020", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:525:20
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn as_node(&self) -> Node<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] 525 |     pub fn as_node(&self) -> Node<'_, T> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:533:16
[INFO] [stdout]     |
[INFO] [stdout] 533 |     pub fn get(&self, rank: usize) -> Option<Node<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] 533 |     pub fn get(&self, rank: usize) -> Option<Node<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:580:18
[INFO] [stdout]     |
[INFO] [stdout] 580 |     pub fn roots(&self) -> Children<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] 580 |     pub fn roots(&self) -> Children<'_, T> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:589:16
[INFO] [stdout]     |
[INFO] [stdout] 589 |     pub fn get(&self, rank: usize) -> Option<Node<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] 589 |     pub fn get(&self, rank: usize) -> Option<Node<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:652:24
[INFO] [stdout]     |
[INFO] [stdout] 652 |     pub fn from(verts: &[Vertex<T>]) -> Result<Node<T>, ValidationError> {
[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] 652 |     pub fn from(verts: &[Vertex<T>]) -> Result<Node<'_, T>, ValidationError> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:698:41
[INFO] [stdout]     |
[INFO] [stdout] 698 |     pub unsafe fn from_unchecked(verts: &[Vertex<T>]) -> Node<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] 698 |     pub unsafe fn from_unchecked(verts: &[Vertex<T>]) -> Node<'_, T> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "9175548d24a39d7299c68fb3cb074b85b42eebe1907a4fb33f7b8c07c4316020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9175548d24a39d7299c68fb3cb074b85b42eebe1907a4fb33f7b8c07c4316020", kill_on_drop: false }`
[INFO] [stdout] 9175548d24a39d7299c68fb3cb074b85b42eebe1907a4fb33f7b8c07c4316020
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 796cba00842bf4c85931ce74593f29c89f121a3041dcf37e1e4f7e52fc8c465b
[INFO] running `Command { std: "docker" "start" "-a" "796cba00842bf4c85931ce74593f29c89f121a3041dcf37e1e4f7e52fc8c465b", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:525:20
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn as_node(&self) -> Node<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] 525 |     pub fn as_node(&self) -> Node<'_, T> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:533:16
[INFO] [stdout]     |
[INFO] [stdout] 533 |     pub fn get(&self, rank: usize) -> Option<Node<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] 533 |     pub fn get(&self, rank: usize) -> Option<Node<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:580:18
[INFO] [stdout]     |
[INFO] [stdout] 580 |     pub fn roots(&self) -> Children<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] 580 |     pub fn roots(&self) -> Children<'_, T> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:589:16
[INFO] [stdout]     |
[INFO] [stdout] 589 |     pub fn get(&self, rank: usize) -> Option<Node<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] 589 |     pub fn get(&self, rank: usize) -> Option<Node<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:652:24
[INFO] [stdout]     |
[INFO] [stdout] 652 |     pub fn from(verts: &[Vertex<T>]) -> Result<Node<T>, ValidationError> {
[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] 652 |     pub fn from(verts: &[Vertex<T>]) -> Result<Node<'_, T>, ValidationError> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:698:41
[INFO] [stdout]     |
[INFO] [stdout] 698 |     pub unsafe fn from_unchecked(verts: &[Vertex<T>]) -> Node<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] 698 |     pub unsafe fn from_unchecked(verts: &[Vertex<T>]) -> Node<'_, T> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling read-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:525:20
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn as_node(&self) -> Node<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] 525 |     pub fn as_node(&self) -> Node<'_, T> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:533:16
[INFO] [stdout]     |
[INFO] [stdout] 533 |     pub fn get(&self, rank: usize) -> Option<Node<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] 533 |     pub fn get(&self, rank: usize) -> Option<Node<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:580:18
[INFO] [stdout]     |
[INFO] [stdout] 580 |     pub fn roots(&self) -> Children<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] 580 |     pub fn roots(&self) -> Children<'_, T> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:589:16
[INFO] [stdout]     |
[INFO] [stdout] 589 |     pub fn get(&self, rank: usize) -> Option<Node<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] 589 |     pub fn get(&self, rank: usize) -> Option<Node<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:652:24
[INFO] [stdout]     |
[INFO] [stdout] 652 |     pub fn from(verts: &[Vertex<T>]) -> Result<Node<T>, ValidationError> {
[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] 652 |     pub fn from(verts: &[Vertex<T>]) -> Result<Node<'_, T>, ValidationError> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:698:41
[INFO] [stdout]     |
[INFO] [stdout] 698 |     pub unsafe fn from_unchecked(verts: &[Vertex<T>]) -> Node<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] 698 |     pub unsafe fn from_unchecked(verts: &[Vertex<T>]) -> Node<'_, T> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "796cba00842bf4c85931ce74593f29c89f121a3041dcf37e1e4f7e52fc8c465b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796cba00842bf4c85931ce74593f29c89f121a3041dcf37e1e4f7e52fc8c465b", kill_on_drop: false }`
[INFO] [stdout] 796cba00842bf4c85931ce74593f29c89f121a3041dcf37e1e4f7e52fc8c465b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61087b4270c48b85b871fc3d261c6b343fa673c92c20c88b69f9d10494fe75d4
[INFO] running `Command { std: "docker" "start" "-a" "61087b4270c48b85b871fc3d261c6b343fa673c92c20c88b69f9d10494fe75d4", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree.rs:525:20
[INFO] [stderr]     |
[INFO] [stderr] 525 |     pub fn as_node(&self) -> Node<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] 525 |     pub fn as_node(&self) -> Node<'_, T> {
[INFO] [stderr]     |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree.rs:533:16
[INFO] [stderr]     |
[INFO] [stderr] 533 |     pub fn get(&self, rank: usize) -> Option<Node<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] 533 |     pub fn get(&self, rank: usize) -> Option<Node<'_, T>> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree.rs:580:18
[INFO] [stderr]     |
[INFO] [stderr] 580 |     pub fn roots(&self) -> Children<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] 580 |     pub fn roots(&self) -> Children<'_, T> {
[INFO] [stderr]     |                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree.rs:589:16
[INFO] [stderr]     |
[INFO] [stderr] 589 |     pub fn get(&self, rank: usize) -> Option<Node<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] 589 |     pub fn get(&self, rank: usize) -> Option<Node<'_, T>> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree.rs:652:24
[INFO] [stderr]     |
[INFO] [stderr] 652 |     pub fn from(verts: &[Vertex<T>]) -> Result<Node<T>, ValidationError> {
[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] 652 |     pub fn from(verts: &[Vertex<T>]) -> Result<Node<'_, T>, ValidationError> {
[INFO] [stderr]     |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree.rs:698:41
[INFO] [stderr]     |
[INFO] [stderr] 698 |     pub unsafe fn from_unchecked(verts: &[Vertex<T>]) -> Node<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] 698 |     pub unsafe fn from_unchecked(verts: &[Vertex<T>]) -> Node<'_, T> {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `read-tree` (lib) generated 6 warnings (run `cargo fix --lib -p read-tree` to apply 6 suggestions)
[INFO] [stderr] warning: `read-tree` (lib test) generated 6 warnings (6 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/read_tree-aa2eff5351105393)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::test_iter::test_iter_ancestors ... ok
[INFO] [stdout] test test::test_iter::test_iter_children ... ok
[INFO] [stdout] test test::test_node::test_parent ... ok
[INFO] [stdout] test test::test_node::test_from ... ok
[INFO] [stdout] test test::test_iter::test_iter_descendants ... ok
[INFO] [stdout] test test::test_sapling::test_clear ... ok
[INFO] [stdout] test test::test_sapling::test_err ... ok
[INFO] [stdout] test test::test_node::test_to_tree ... ok
[INFO] [stdout] test test::test_sapling::test_small ... ok
[INFO] [stdout] test test::test_sapling::test_tiny ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests read_tree
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop (line 325) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::new (line 177) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::peek (line 293) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop (line 335) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop_as_leaf (line 375) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop_as_leaf_all (line 406) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop_all (line 351) ... ok
[INFO] [stdout] test src/tree.rs - tree::Children (line 826) ... ok
[INFO] [stdout] test src/tree.rs - tree::Descendants (line 902) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::clear (line 427) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling (line 137) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61087b4270c48b85b871fc3d261c6b343fa673c92c20c88b69f9d10494fe75d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61087b4270c48b85b871fc3d261c6b343fa673c92c20c88b69f9d10494fe75d4", kill_on_drop: false }`
[INFO] [stdout] 61087b4270c48b85b871fc3d261c6b343fa673c92c20c88b69f9d10494fe75d4
