[INFO] fetching crate jungle 0.1.1...
[INFO] checking jungle-0.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate jungle 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jungle 0.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate jungle 0.1.1
[INFO] finished tweaking crates.io crate jungle 0.1.1
[INFO] tweaked toml for crates.io crate jungle 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b21303f609cd3a1b45bf878dace12d85fe21f03c519c7efc939d9f48baffccc9
[INFO] running `"docker" "start" "-a" "b21303f609cd3a1b45bf878dace12d85fe21f03c519c7efc939d9f48baffccc9"`
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking generic-array v0.5.1
[INFO] [stderr]     Checking jungle v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `value`
[INFO] [stderr]   --> src/tree.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     value: T,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `parent`
[INFO] [stderr]   --> src/tree.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     parent: NodePointer<T,N>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `children`
[INFO] [stderr]   --> src/tree.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     children: GenericArray<NodePointer<T,N>,N>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/tree.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn new(value: T) -> Self{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Tree`
[INFO] [stderr]   --> src/tree.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct Tree<T,N: ArrayLength<NodePointer<T,N>>>(NodePointer<T,N>);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/tree.rs:47:2
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn new(value: T) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parent`
[INFO] [stderr]   --> src/tree.rs:51:2
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn parent(&mut self) -> bool{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `child`
[INFO] [stderr]   --> src/tree.rs:61:2
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn child(&mut self, child: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `value`
[INFO] [stderr]   --> src/tree.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     value: T,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `parent`
[INFO] [stderr]   --> src/tree.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     parent: NodePointer<T,N>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `children`
[INFO] [stderr]   --> src/tree.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     children: GenericArray<NodePointer<T,N>,N>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/tree.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn new(value: T) -> Self{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Tree`
[INFO] [stderr]   --> src/tree.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct Tree<T,N: ArrayLength<NodePointer<T,N>>>(NodePointer<T,N>);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/tree.rs:47:2
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn new(value: T) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parent`
[INFO] [stderr]   --> src/tree.rs:51:2
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn parent(&mut self) -> bool{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `child`
[INFO] [stderr]   --> src/tree.rs:61:2
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn child(&mut self, child: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "b21303f609cd3a1b45bf878dace12d85fe21f03c519c7efc939d9f48baffccc9"`
[INFO] running `"docker" "rm" "-f" "b21303f609cd3a1b45bf878dace12d85fe21f03c519c7efc939d9f48baffccc9"`
[INFO] [stdout] b21303f609cd3a1b45bf878dace12d85fe21f03c519c7efc939d9f48baffccc9