Dec 12 12:30:24.437 INFO checking jungle-0.1.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:30:24.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 12:30:24.928 INFO [stdout] 1a9d183cd613eed5be11c42cf4c8cfee6d99471372ca73a0d922f01cb922e868
Dec 12 12:30:24.930 INFO running `"docker" "start" "-a" "1a9d183cd613eed5be11c42cf4c8cfee6d99471372ca73a0d922f01cb922e868"`
Dec 12 12:30:26.240 INFO [stderr] usermod: no changes
Dec 12 12:30:26.284 INFO [stderr]     Checking jungle v0.1.1 (/source)
Dec 12 12:30:26.988 INFO [stderr] warning: field is never used: `value`
Dec 12 12:30:26.988 INFO [stderr]   --> src/tree.rs:26:2
Dec 12 12:30:26.988 INFO [stderr]    |
Dec 12 12:30:26.988 INFO [stderr] 26 |     value: T,
Dec 12 12:30:26.988 INFO [stderr]    |     ^^^^^^^^
Dec 12 12:30:26.988 INFO [stderr]    |
Dec 12 12:30:26.988 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 12:30:26.988 INFO [stderr] 
Dec 12 12:30:26.988 INFO [stderr] warning: field is never used: `parent`
Dec 12 12:30:26.988 INFO [stderr]   --> src/tree.rs:27:2
Dec 12 12:30:26.988 INFO [stderr]    |
Dec 12 12:30:26.988 INFO [stderr] 27 |     parent: NodePointer<T,N>,
Dec 12 12:30:26.988 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:26.988 INFO [stderr] 
Dec 12 12:30:26.988 INFO [stderr] warning: field is never used: `children`
Dec 12 12:30:26.988 INFO [stderr]   --> src/tree.rs:28:2
Dec 12 12:30:26.988 INFO [stderr]    |
Dec 12 12:30:26.988 INFO [stderr] 28 |     children: GenericArray<NodePointer<T,N>,N>
Dec 12 12:30:26.988 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:26.988 INFO [stderr] 
Dec 12 12:30:26.988 INFO [stderr] warning: method is never used: `new`
Dec 12 12:30:26.988 INFO [stderr]   --> src/tree.rs:33:5
Dec 12 12:30:26.988 INFO [stderr]    |
Dec 12 12:30:26.988 INFO [stderr] 33 |     fn new(value: T) -> Self{
Dec 12 12:30:26.988 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:26.988 INFO [stderr] 
Dec 12 12:30:26.988 INFO [stderr] warning: struct is never constructed: `Tree`
Dec 12 12:30:26.988 INFO [stderr]   --> src/tree.rs:42:1
Dec 12 12:30:26.988 INFO [stderr]    |
Dec 12 12:30:26.988 INFO [stderr] 42 | struct Tree<T,N: ArrayLength<NodePointer<T,N>>>(NodePointer<T,N>);
Dec 12 12:30:26.988 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:26.988 INFO [stderr] 
Dec 12 12:30:26.988 INFO [stderr] warning: method is never used: `new`
Dec 12 12:30:26.988 INFO [stderr]   --> src/tree.rs:47:2
Dec 12 12:30:26.988 INFO [stderr]    |
Dec 12 12:30:26.988 INFO [stderr] 47 |     fn new(value: T) -> Self {
Dec 12 12:30:26.988 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:26.988 INFO [stderr] 
Dec 12 12:30:26.988 INFO [stderr] warning: method is never used: `parent`
Dec 12 12:30:26.988 INFO [stderr]   --> src/tree.rs:51:2
Dec 12 12:30:26.988 INFO [stderr]    |
Dec 12 12:30:26.988 INFO [stderr] 51 |     fn parent(&mut self) -> bool{
Dec 12 12:30:26.988 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:26.988 INFO [stderr] 
Dec 12 12:30:26.988 INFO [stderr] warning: method is never used: `child`
Dec 12 12:30:26.988 INFO [stderr]   --> src/tree.rs:61:2
Dec 12 12:30:26.988 INFO [stderr]    |
Dec 12 12:30:26.989 INFO [stderr] 61 |     fn child(&mut self, child: usize) -> bool {
Dec 12 12:30:26.989 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:26.989 INFO [stderr] 
Dec 12 12:30:27.400 INFO [stderr] warning: field is never used: `value`
Dec 12 12:30:27.400 INFO [stderr]   --> src/tree.rs:26:2
Dec 12 12:30:27.400 INFO [stderr]    |
Dec 12 12:30:27.400 INFO [stderr] 26 |     value: T,
Dec 12 12:30:27.400 INFO [stderr]    |     ^^^^^^^^
Dec 12 12:30:27.400 INFO [stderr]    |
Dec 12 12:30:27.400 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 12:30:27.400 INFO [stderr] 
Dec 12 12:30:27.400 INFO [stderr] warning: field is never used: `parent`
Dec 12 12:30:27.401 INFO [stderr]   --> src/tree.rs:27:2
Dec 12 12:30:27.401 INFO [stderr]    |
Dec 12 12:30:27.401 INFO [stderr] 27 |     parent: NodePointer<T,N>,
Dec 12 12:30:27.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:27.401 INFO [stderr] 
Dec 12 12:30:27.401 INFO [stderr] warning: field is never used: `children`
Dec 12 12:30:27.401 INFO [stderr]   --> src/tree.rs:28:2
Dec 12 12:30:27.401 INFO [stderr]    |
Dec 12 12:30:27.401 INFO [stderr] 28 |     children: GenericArray<NodePointer<T,N>,N>
Dec 12 12:30:27.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:27.401 INFO [stderr] 
Dec 12 12:30:27.401 INFO [stderr] warning: method is never used: `new`
Dec 12 12:30:27.401 INFO [stderr]   --> src/tree.rs:33:5
Dec 12 12:30:27.401 INFO [stderr]    |
Dec 12 12:30:27.401 INFO [stderr] 33 |     fn new(value: T) -> Self{
Dec 12 12:30:27.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:27.401 INFO [stderr] 
Dec 12 12:30:27.401 INFO [stderr] warning: struct is never constructed: `Tree`
Dec 12 12:30:27.401 INFO [stderr]   --> src/tree.rs:42:1
Dec 12 12:30:27.401 INFO [stderr]    |
Dec 12 12:30:27.401 INFO [stderr] 42 | struct Tree<T,N: ArrayLength<NodePointer<T,N>>>(NodePointer<T,N>);
Dec 12 12:30:27.401 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:27.401 INFO [stderr] 
Dec 12 12:30:27.401 INFO [stderr] warning: method is never used: `new`
Dec 12 12:30:27.401 INFO [stderr]   --> src/tree.rs:47:2
Dec 12 12:30:27.401 INFO [stderr]    |
Dec 12 12:30:27.401 INFO [stderr] 47 |     fn new(value: T) -> Self {
Dec 12 12:30:27.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:27.401 INFO [stderr] 
Dec 12 12:30:27.401 INFO [stderr] warning: method is never used: `parent`
Dec 12 12:30:27.401 INFO [stderr]   --> src/tree.rs:51:2
Dec 12 12:30:27.401 INFO [stderr]    |
Dec 12 12:30:27.401 INFO [stderr] 51 |     fn parent(&mut self) -> bool{
Dec 12 12:30:27.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:27.401 INFO [stderr] 
Dec 12 12:30:27.401 INFO [stderr] warning: method is never used: `child`
Dec 12 12:30:27.401 INFO [stderr]   --> src/tree.rs:61:2
Dec 12 12:30:27.401 INFO [stderr]    |
Dec 12 12:30:27.401 INFO [stderr] 61 |     fn child(&mut self, child: usize) -> bool {
Dec 12 12:30:27.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:30:27.401 INFO [stderr] 
Dec 12 12:30:27.455 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 12 12:30:27.455 INFO [stderr] su: No module specific data is present
Dec 12 12:30:28.467 INFO running `"docker" "inspect" "1a9d183cd613eed5be11c42cf4c8cfee6d99471372ca73a0d922f01cb922e868"`
Dec 12 12:30:28.844 INFO running `"docker" "rm" "-f" "1a9d183cd613eed5be11c42cf4c8cfee6d99471372ca73a0d922f01cb922e868"`
Dec 12 12:30:29.124 INFO [stdout] 1a9d183cd613eed5be11c42cf4c8cfee6d99471372ca73a0d922f01cb922e868