[INFO] cloning repository https://github.com/markusolt/read-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markusolt/read-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkusolt%2Fread-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkusolt%2Fread-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 234557c7a52ddc8276f3f5cb9da2c9d5ca7908d7
[INFO] testing markusolt/read-tree against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkusolt%2Fread-tree" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/markusolt/read-tree
[INFO] finished tweaking git repo https://github.com/markusolt/read-tree
[INFO] tweaked toml for git repo https://github.com/markusolt/read-tree written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/markusolt/read-tree on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/markusolt/read-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a0d26151141e59707e2e147dd152a53d4e229bc21922a48359fc122f0bfc51
[INFO] running `Command { std: "docker" "start" "-a" "02a0d26151141e59707e2e147dd152a53d4e229bc21922a48359fc122f0bfc51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a0d26151141e59707e2e147dd152a53d4e229bc21922a48359fc122f0bfc51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a0d26151141e59707e2e147dd152a53d4e229bc21922a48359fc122f0bfc51", kill_on_drop: false }`
[INFO] [stdout] 02a0d26151141e59707e2e147dd152a53d4e229bc21922a48359fc122f0bfc51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce4cc6abbda5b5b2fa90b615a196f6557a20f71719f04925abc21ef91795f96a
[INFO] running `Command { std: "docker" "start" "-a" "ce4cc6abbda5b5b2fa90b615a196f6557a20f71719f04925abc21ef91795f96a", 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:552:20
[INFO] [stdout]     |
[INFO] [stdout] 552 |     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] 552 |     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:560:16
[INFO] [stdout]     |
[INFO] [stdout] 560 |     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] 560 |     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:607:18
[INFO] [stdout]     |
[INFO] [stdout] 607 |     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] 607 |     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:616:16
[INFO] [stdout]     |
[INFO] [stdout] 616 |     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] 616 |     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:679:24
[INFO] [stdout]     |
[INFO] [stdout] 679 |     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] 679 |     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:725:41
[INFO] [stdout]     |
[INFO] [stdout] 725 |     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] 725 |     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 0.39s
[INFO] running `Command { std: "docker" "inspect" "ce4cc6abbda5b5b2fa90b615a196f6557a20f71719f04925abc21ef91795f96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4cc6abbda5b5b2fa90b615a196f6557a20f71719f04925abc21ef91795f96a", kill_on_drop: false }`
[INFO] [stdout] ce4cc6abbda5b5b2fa90b615a196f6557a20f71719f04925abc21ef91795f96a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aa8aff612e8c801f6ff9bb1af2e5ce18c51a8d4915c9b10b61dc77b66d7acd6
[INFO] running `Command { std: "docker" "start" "-a" "0aa8aff612e8c801f6ff9bb1af2e5ce18c51a8d4915c9b10b61dc77b66d7acd6", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:552:20
[INFO] [stdout]     |
[INFO] [stdout] 552 |     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] 552 |     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:560:16
[INFO] [stdout]     |
[INFO] [stdout] 560 |     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] 560 |     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:607:18
[INFO] [stdout]     |
[INFO] [stdout] 607 |     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] 607 |     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:616:16
[INFO] [stdout]     |
[INFO] [stdout] 616 |     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] 616 |     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:679:24
[INFO] [stdout]     |
[INFO] [stdout] 679 |     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] 679 |     pub fn from(verts: &[Vertex<T>]) -> Result<Node<'_, T>, ValidationError> {
[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:725:41
[INFO] [stdout]     |
[INFO] [stdout] 725 |     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] 725 |     pub unsafe fn from_unchecked(verts: &[Vertex<T>]) -> 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:552:20
[INFO] [stdout]     |
[INFO] [stdout] 552 |     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] 552 |     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:560:16
[INFO] [stdout]     |
[INFO] [stdout] 560 |     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] 560 |     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:607:18
[INFO] [stdout]     |
[INFO] [stdout] 607 |     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] 607 |     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:616:16
[INFO] [stdout]     |
[INFO] [stdout] 616 |     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] 616 |     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:679:24
[INFO] [stdout]     |
[INFO] [stdout] 679 |     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] 679 |     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:725:41
[INFO] [stdout]     |
[INFO] [stdout] 725 |     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] 725 |     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 0.62s
[INFO] running `Command { std: "docker" "inspect" "0aa8aff612e8c801f6ff9bb1af2e5ce18c51a8d4915c9b10b61dc77b66d7acd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa8aff612e8c801f6ff9bb1af2e5ce18c51a8d4915c9b10b61dc77b66d7acd6", kill_on_drop: false }`
[INFO] [stdout] 0aa8aff612e8c801f6ff9bb1af2e5ce18c51a8d4915c9b10b61dc77b66d7acd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7ec2de8fab40a45d9e0eb07e1842d175d835b220d8dabf3bfe19fb623d26fab
[INFO] running `Command { std: "docker" "start" "-a" "e7ec2de8fab40a45d9e0eb07e1842d175d835b220d8dabf3bfe19fb623d26fab", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree.rs:552:20
[INFO] [stderr]     |
[INFO] [stderr] 552 |     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] 552 |     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:560:16
[INFO] [stderr]     |
[INFO] [stderr] 560 |     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] 560 |     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:607:18
[INFO] [stderr]     |
[INFO] [stderr] 607 |     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] 607 |     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:616:16
[INFO] [stderr]     |
[INFO] [stderr] 616 |     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] 616 |     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:679:24
[INFO] [stderr]     |
[INFO] [stderr] 679 |     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] 679 |     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:725:41
[INFO] [stderr]     |
[INFO] [stderr] 725 |     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] 725 |     pub unsafe fn from_unchecked(verts: &[Vertex<T>]) -> Node<'_, T> {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `read-tree` (lib) generated 6 warnings
[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-803971baccb0ea2e)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::test_iter::test_iter_ancestors ... ok
[INFO] [stdout] test test::test_node::test_from ... 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_clear ... ok
[INFO] [stdout] test test::test_node::test_parent ... ok
[INFO] [stdout] test test::test_iter::test_iter_children ... ok
[INFO] [stdout] test test::test_sapling::test_tiny ... ok
[INFO] [stdout] test test::test_sapling::test_small ... ok
[INFO] [stdout] test test::test_iter::test_iter_descendants ... ok
[INFO] [stderr]    Doc-tests read_tree
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::peek (line 293) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop (line 352) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop_all (line 378) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::clear (line 454) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop_as_leaf_all (line 433) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::new (line 177) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop (line 362) ... ok
[INFO] [stdout] test src/tree.rs - tree::Children (line 853) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::pop_as_leaf (line 402) ... ok
[INFO] [stdout] test src/tree.rs - tree::Descendants (line 929) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling<T>::peek_mut (line 320) ... ok
[INFO] [stdout] test src/tree.rs - tree::Sapling (line 137) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7ec2de8fab40a45d9e0eb07e1842d175d835b220d8dabf3bfe19fb623d26fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ec2de8fab40a45d9e0eb07e1842d175d835b220d8dabf3bfe19fb623d26fab", kill_on_drop: false }`
[INFO] [stdout] e7ec2de8fab40a45d9e0eb07e1842d175d835b220d8dabf3bfe19fb623d26fab
