[INFO] fetching crate jungle 0.1.1...
[INFO] checking jungle-0.1.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate jungle 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate jungle 0.1.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c0291340dc8a6ad4280e3e7e02073ae4e8d2bda60452cfba563174410d37638
[INFO] running `Command { std: "docker" "start" "-a" "1c0291340dc8a6ad4280e3e7e02073ae4e8d2bda60452cfba563174410d37638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c0291340dc8a6ad4280e3e7e02073ae4e8d2bda60452cfba563174410d37638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0291340dc8a6ad4280e3e7e02073ae4e8d2bda60452cfba563174410d37638", kill_on_drop: false }`
[INFO] [stdout] 1c0291340dc8a6ad4280e3e7e02073ae4e8d2bda60452cfba563174410d37638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2de9b1b6392af13f69d9ff74e41a00e39308400dbf468e6a0b9e5d2180528341
[INFO] running `Command { std: "docker" "start" "-a" "2de9b1b6392af13f69d9ff74e41a00e39308400dbf468e6a0b9e5d2180528341", kill_on_drop: false }`
[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] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/tree.rs:26:2
[INFO] [stdout]    |
[INFO] [stdout] 26 |     value: T,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/tree.rs:27:2
[INFO] [stdout]    |
[INFO] [stdout] 27 |     parent: NodePointer<T,N>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `children`
[INFO] [stdout]   --> src/tree.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 28 |     children: GenericArray<NodePointer<T,N>,N>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn new(value: T) -> Self{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tree`
[INFO] [stdout]   --> src/tree.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Tree<T,N: ArrayLength<NodePointer<T,N>>>(NodePointer<T,N>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn new(value: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parent`
[INFO] [stdout]   --> src/tree.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn parent(&mut self) -> bool{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `child`
[INFO] [stdout]   --> src/tree.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn child(&mut self, child: usize) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/tree.rs:26:2
[INFO] [stdout]    |
[INFO] [stdout] 26 |     value: T,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/tree.rs:27:2
[INFO] [stdout]    |
[INFO] [stdout] 27 |     parent: NodePointer<T,N>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `children`
[INFO] [stdout]   --> src/tree.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 28 |     children: GenericArray<NodePointer<T,N>,N>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn new(value: T) -> Self{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tree`
[INFO] [stdout]   --> src/tree.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Tree<T,N: ArrayLength<NodePointer<T,N>>>(NodePointer<T,N>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn new(value: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parent`
[INFO] [stdout]   --> src/tree.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn parent(&mut self) -> bool{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `child`
[INFO] [stdout]   --> src/tree.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn child(&mut self, child: usize) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "2de9b1b6392af13f69d9ff74e41a00e39308400dbf468e6a0b9e5d2180528341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de9b1b6392af13f69d9ff74e41a00e39308400dbf468e6a0b9e5d2180528341", kill_on_drop: false }`
[INFO] [stdout] 2de9b1b6392af13f69d9ff74e41a00e39308400dbf468e6a0b9e5d2180528341
