[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] 34fb36c8c7ad68fa4896a0c9656b67e52e643d47
[INFO] checking wagnerf42/rrb against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Frrb" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wagnerf42/rrb on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e4a252c1d46408eb5c93dae77a86f85a324708742cf5eca947e237c33a48833
[INFO] running `Command { std: "docker" "start" "-a" "8e4a252c1d46408eb5c93dae77a86f85a324708742cf5eca947e237c33a48833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e4a252c1d46408eb5c93dae77a86f85a324708742cf5eca947e237c33a48833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4a252c1d46408eb5c93dae77a86f85a324708742cf5eca947e237c33a48833", kill_on_drop: false }`
[INFO] [stdout] 8e4a252c1d46408eb5c93dae77a86f85a324708742cf5eca947e237c33a48833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d8c0fbdf83b88bf860a6ae1373450af2219d90b99d59aabde22b4c44dd66409
[INFO] running `Command { std: "docker" "start" "-a" "2d8c0fbdf83b88bf860a6ae1373450af2219d90b99d59aabde22b4c44dd66409", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.167
[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 getrandom v0.2.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_core v0.6.4
[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:161:42
[INFO] [stdout]     |
[INFO] [stdout] 161 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leaf`
[INFO] [stdout]    --> src/lib.rs:293:24
[INFO] [stdout]     |
[INFO] [stdout] 293 |             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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |     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] 68 |     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:297:17
[INFO] [stdout]     |
[INFO] [stdout] 297 |     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] 297 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/lib.rs:161:42
[INFO] [stdout]     |
[INFO] [stdout] 161 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leaf`
[INFO] [stdout]    --> src/lib.rs:293:24
[INFO] [stdout]     |
[INFO] [stdout] 293 |             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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |     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] 68 |     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:297:17
[INFO] [stdout]     |
[INFO] [stdout] 297 |     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] 297 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.64s
[INFO] running `Command { std: "docker" "inspect" "2d8c0fbdf83b88bf860a6ae1373450af2219d90b99d59aabde22b4c44dd66409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8c0fbdf83b88bf860a6ae1373450af2219d90b99d59aabde22b4c44dd66409", kill_on_drop: false }`
[INFO] [stdout] 2d8c0fbdf83b88bf860a6ae1373450af2219d90b99d59aabde22b4c44dd66409