[INFO] fetching crate kbucket 0.1.0...
[INFO] checking kbucket-0.1.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate kbucket 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kbucket 0.1.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kbucket 0.1.0
[INFO] finished tweaking crates.io crate kbucket 0.1.0
[INFO] tweaked toml for crates.io crate kbucket 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a607e47acdc481243625e7adae46a3ca5c4fe2d3ffe103b49176a755d699454f
[INFO] running `Command { std: "docker" "start" "-a" "a607e47acdc481243625e7adae46a3ca5c4fe2d3ffe103b49176a755d699454f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a607e47acdc481243625e7adae46a3ca5c4fe2d3ffe103b49176a755d699454f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a607e47acdc481243625e7adae46a3ca5c4fe2d3ffe103b49176a755d699454f", kill_on_drop: false }`
[INFO] [stdout] a607e47acdc481243625e7adae46a3ca5c4fe2d3ffe103b49176a755d699454f
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f57e83abe3005d12681d6491f13ab1886e30aefaaa0333f77b6c04456494d0ac
[INFO] running `Command { std: "docker" "start" "-a" "f57e83abe3005d12681d6491f13ab1886e30aefaaa0333f77b6c04456494d0ac", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking kbucket v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: variant is never constructed: `BranchNode`
[INFO] [stdout]   --> src/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     BranchNode(BranchNode),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LeafNode`
[INFO] [stdout]   --> src/tree.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     LeafNode(LeafNode),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V4`
[INFO] [stdout]   --> src/tree.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     V4(net::Ipv4Addr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/tree.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     V6(net::Ipv6Addr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(node_id: [u8; 64]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/tree.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn add(&mut self, node: &NodeInfo) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn new() -> Option<Box<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn new() -> Option<Box<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/tree.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn new(id: [u8; 64], ip: Address, port: u64) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bit_value`
[INFO] [stdout]    --> src/tree.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn bit_value(key: &[u8; 64], bit_index: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BranchNode`
[INFO] [stdout]   --> src/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     BranchNode(BranchNode),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LeafNode`
[INFO] [stdout]   --> src/tree.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     LeafNode(LeafNode),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V4`
[INFO] [stdout]   --> src/tree.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     V4(net::Ipv4Addr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/tree.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     V6(net::Ipv6Addr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(node_id: [u8; 64]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/tree.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn add(&mut self, node: &NodeInfo) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn new() -> Option<Box<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn new() -> Option<Box<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/tree.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn new(id: [u8; 64], ip: Address, port: u64) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bit_value`
[INFO] [stdout]    --> src/tree.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn bit_value(key: &[u8; 64], bit_index: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking kbucket v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `BranchNode`
[INFO] [stdout]   --> src/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     BranchNode(BranchNode),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LeafNode`
[INFO] [stdout]   --> src/tree.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     LeafNode(LeafNode),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V4`
[INFO] [stdout]   --> src/tree.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     V4(net::Ipv4Addr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/tree.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     V6(net::Ipv6Addr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(node_id: [u8; 64]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/tree.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn add(&mut self, node: &NodeInfo) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn new() -> Option<Box<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn new() -> Option<Box<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/tree.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn new(id: [u8; 64], ip: Address, port: u64) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BranchNode`
[INFO] [stdout]   --> src/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     BranchNode(BranchNode),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bit_value`
[INFO] [stdout]    --> src/tree.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn bit_value(key: &[u8; 64], bit_index: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LeafNode`
[INFO] [stdout]   --> src/tree.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     LeafNode(LeafNode),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V4`
[INFO] [stdout]   --> src/tree.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     V4(net::Ipv4Addr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/tree.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     V6(net::Ipv6Addr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(node_id: [u8; 64]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/tree.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn add(&mut self, node: &NodeInfo) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn new() -> Option<Box<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tree.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn new() -> Option<Box<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/tree.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn new(id: [u8; 64], ip: Address, port: u64) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bit_value`
[INFO] [stdout]    --> src/tree.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn bit_value(key: &[u8; 64], bit_index: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "f57e83abe3005d12681d6491f13ab1886e30aefaaa0333f77b6c04456494d0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57e83abe3005d12681d6491f13ab1886e30aefaaa0333f77b6c04456494d0ac", kill_on_drop: false }`
[INFO] [stdout] f57e83abe3005d12681d6491f13ab1886e30aefaaa0333f77b6c04456494d0ac