[INFO] fetching crate jungle 0.1.1...
[INFO] testing jungle-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate jungle 0.1.1 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate jungle 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-array v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa2399f1fab0665868bdb705bbf20e43b43221ee18d51ebe5ccdfeb8d790605
[INFO] running `Command { std: "docker" "start" "-a" "4fa2399f1fab0665868bdb705bbf20e43b43221ee18d51ebe5ccdfeb8d790605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa2399f1fab0665868bdb705bbf20e43b43221ee18d51ebe5ccdfeb8d790605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa2399f1fab0665868bdb705bbf20e43b43221ee18d51ebe5ccdfeb8d790605", kill_on_drop: false }`
[INFO] [stdout] 4fa2399f1fab0665868bdb705bbf20e43b43221ee18d51ebe5ccdfeb8d790605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5966f0bbcec07427f9171575cdcf5326b99eb42479cb013566227b3ddd6839ac
[INFO] running `Command { std: "docker" "start" "-a" "5966f0bbcec07427f9171575cdcf5326b99eb42479cb013566227b3ddd6839ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling generic-array v0.5.1
[INFO] [stderr]    Compiling 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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "5966f0bbcec07427f9171575cdcf5326b99eb42479cb013566227b3ddd6839ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5966f0bbcec07427f9171575cdcf5326b99eb42479cb013566227b3ddd6839ac", kill_on_drop: false }`
[INFO] [stdout] 5966f0bbcec07427f9171575cdcf5326b99eb42479cb013566227b3ddd6839ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 856ade8fb2cfb7294c218fa2784b04357147cc98e660e1a9235ae53d87d17d07
[INFO] running `Command { std: "docker" "start" "-a" "856ade8fb2cfb7294c218fa2784b04357147cc98e660e1a9235ae53d87d17d07", kill_on_drop: false }`
[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] [stderr]    Compiling jungle v0.1.1 (/opt/rustwide/workdir)
[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: 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "856ade8fb2cfb7294c218fa2784b04357147cc98e660e1a9235ae53d87d17d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856ade8fb2cfb7294c218fa2784b04357147cc98e660e1a9235ae53d87d17d07", kill_on_drop: false }`
[INFO] [stdout] 856ade8fb2cfb7294c218fa2784b04357147cc98e660e1a9235ae53d87d17d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb9cdf0c93445f2d43e9d08697f8949d183d074de3e432630ba3e6d616c542ee
[INFO] running `Command { std: "docker" "start" "-a" "bb9cdf0c93445f2d43e9d08697f8949d183d074de3e432630ba3e6d616c542ee", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `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 read: `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 read: `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: associated function is never used: `new`
[INFO] [stderr]   --> src/tree.rs:33:8
[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:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct Tree<T,N: ArrayLength<NodePointer<T,N>>>(NodePointer<T,N>);
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/tree.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn new(value: T) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parent`
[INFO] [stderr]   --> src/tree.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn parent(&mut self) -> bool{
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `child`
[INFO] [stderr]   --> src/tree.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn child(&mut self, child: usize) -> bool {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `jungle` (lib) generated 8 warnings
[INFO] [stderr] warning: `jungle` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jungle-479425007750cad1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jungle
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb9cdf0c93445f2d43e9d08697f8949d183d074de3e432630ba3e6d616c542ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9cdf0c93445f2d43e9d08697f8949d183d074de3e432630ba3e6d616c542ee", kill_on_drop: false }`
[INFO] [stdout] bb9cdf0c93445f2d43e9d08697f8949d183d074de3e432630ba3e6d616c542ee