[INFO] cloning repository https://github.com/wagnerf42/rrb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wagnerf42/rrb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Frrb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Frrb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 126167ce7109fe5194b68e6fb68dc9ea4e7e3f55
[INFO] checking wagnerf42/rrb against df1ae0f7dd168513de2d89beb2cb7a95d4fdc118 for pr-159343-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Frrb" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wagnerf42/rrb
[INFO] finished tweaking git repo https://github.com/wagnerf42/rrb
[INFO] tweaked toml for git repo https://github.com/wagnerf42/rrb written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wagnerf42/rrb on toolchain df1ae0f7dd168513de2d89beb2cb7a95d4fdc118
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wagnerf42/rrb 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" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lender-derive v0.1.2
[INFO] [stderr]   Downloaded lender v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a685a64fa8dc375655f423ee2733458e76bf69f19ca98d27011893985c6099e2
[INFO] running `Command { std: "docker" "start" "a685a64fa8dc375655f423ee2733458e76bf69f19ca98d27011893985c6099e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a685a64fa8dc375655f423ee2733458e76bf69f19ca98d27011893985c6099e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a685a64fa8dc375655f423ee2733458e76bf69f19ca98d27011893985c6099e2" "/opt/rustwide/cargo-home/bin/cargo" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a685a64fa8dc375655f423ee2733458e76bf69f19ca98d27011893985c6099e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a685a64fa8dc375655f423ee2733458e76bf69f19ca98d27011893985c6099e2" "/opt/rustwide/cargo-home/bin/cargo" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling lender-derive v0.1.2
[INFO] [stderr]     Checking lender v0.2.9
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rrb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/lib.rs:167:42
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn split_at(&mut self, index: usize, level: u32) -> Self {
[INFO] [stdout]     |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leaf`
[INFO] [stdout]    --> src/lib.rs:344:24
[INFO] [stdout]     |
[INFO] [stdout] 344 |             Node::Leaf(leaf) => (),
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_leaf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/lib.rs:167:42
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn split_at(&mut self, index: usize, level: u32) -> Self {
[INFO] [stdout]     |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leaf`
[INFO] [stdout]    --> src/lib.rs:344:24
[INFO] [stdout]     |
[INFO] [stdout] 344 |             Node::Leaf(leaf) => (),
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_leaf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Leaf<T>` is more private than the item `Node::Leaf::0`
[INFO] [stdout]   --> src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Leaf(Leaf<T>),
[INFO] [stdout]    |          ^^^^^^^ field `Node::Leaf::0` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Leaf<T>` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Leaf<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `InnerNode<T>` is more private than the item `Node::Inner::0`
[INFO] [stdout]   --> src/lib.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Inner(InnerNode<T>),
[INFO] [stdout]    |           ^^^^^^^^^^^^ field `Node::Inner::0` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `InnerNode<T>` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct InnerNode<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Leaf<T>` is more private than the item `Node::<T>::into_leaves`
[INFO] [stdout]    --> src/lib.rs:328:5
[INFO] [stdout]     |
[INFO] [stdout] 328 |     pub fn into_leaves(self) -> impl Iterator<Item = Leaf<T>> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::<T>::into_leaves` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Leaf<T>` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/lib.rs:17:1
[INFO] [stdout]     |
[INFO] [stdout]  17 | struct Leaf<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn iter(&self) -> Iter<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] 74 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:348:17
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub fn iter(&self) -> Iter<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] 348 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Leaf<T>` is more private than the item `Node::Leaf::0`
[INFO] [stdout]   --> src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Leaf(Leaf<T>),
[INFO] [stdout]    |          ^^^^^^^ field `Node::Leaf::0` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Leaf<T>` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Leaf<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `InnerNode<T>` is more private than the item `Node::Inner::0`
[INFO] [stdout]   --> src/lib.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Inner(InnerNode<T>),
[INFO] [stdout]    |           ^^^^^^^^^^^^ field `Node::Inner::0` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `InnerNode<T>` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct InnerNode<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Leaf<T>` is more private than the item `Node::<T>::into_leaves`
[INFO] [stdout]    --> src/lib.rs:328:5
[INFO] [stdout]     |
[INFO] [stdout] 328 |     pub fn into_leaves(self) -> impl Iterator<Item = Leaf<T>> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::<T>::into_leaves` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Leaf<T>` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/lib.rs:17:1
[INFO] [stdout]     |
[INFO] [stdout]  17 | struct Leaf<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn iter(&self) -> Iter<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] 74 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:348:17
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub fn iter(&self) -> Iter<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] 348 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return Ok(());
[INFO] [stdout]    |     ------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 33 |     let n = 30 + rand::random::<u32>() % 80 + 45;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lender::Lender`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lender::Lender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return Ok(());
[INFO] [stdout]    |     ------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 33 |     let n = 30 + rand::random::<u32>() % 80 + 45;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lender::Lender`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lender::Lender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `Command { std: "docker" "inspect" "a685a64fa8dc375655f423ee2733458e76bf69f19ca98d27011893985c6099e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a685a64fa8dc375655f423ee2733458e76bf69f19ca98d27011893985c6099e2", kill_on_drop: false }`
[INFO] [stdout] a685a64fa8dc375655f423ee2733458e76bf69f19ca98d27011893985c6099e2
