[INFO] cloning repository https://github.com/baij930312/axum_demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baij930312/axum_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaij930312%2Faxum_demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaij930312%2Faxum_demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d2f6d4942f6a27c73df923063b6a51d76651cd4b [INFO] checking baij930312/axum_demo/d2f6d4942f6a27c73df923063b6a51d76651cd4b against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaij930312%2Faxum_demo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. 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[INFO] [stderr] Downloaded axum-core v0.1.1 [INFO] [stderr] Downloaded axum v0.4.2 [INFO] [stderr] Downloaded matchit v0.4.4 [INFO] [stderr] Downloaded int-enum-impl v0.4.0 [INFO] [stderr] Downloaded iri-string v0.4.0 [INFO] [stderr] Downloaded int-enum v0.4.0 [INFO] [stderr] Downloaded brotli v3.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7818afdc90b116cf855feeb4a648482192b0bac61e87a57a4ea8237222ea6d46 [INFO] running `Command { std: "docker" "start" "-a" "7818afdc90b116cf855feeb4a648482192b0bac61e87a57a4ea8237222ea6d46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7818afdc90b116cf855feeb4a648482192b0bac61e87a57a4ea8237222ea6d46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7818afdc90b116cf855feeb4a648482192b0bac61e87a57a4ea8237222ea6d46", kill_on_drop: false }` [INFO] [stdout] 7818afdc90b116cf855feeb4a648482192b0bac61e87a57a4ea8237222ea6d46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" 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[INFO] running `Command { std: "docker" "start" "-a" "77792e807c8383a13e9929a0d726192aa7484781cefe2641bfc7d7107513c368", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.33 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling tokio v1.14.0 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tokio-macros v1.6.0 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Checking iri-string v0.4.0 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling int-enum-impl v0.4.0 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Compiling enum-iterator-derive v0.7.0 [INFO] [stderr] Checking int-enum v0.4.0 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking enum-iterator v0.7.0 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking axum-core v0.1.1 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking async-compression v0.3.8 [INFO] [stderr] Checking hyper v0.14.15 [INFO] [stderr] Checking tower v0.4.11 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking tower-http v0.2.0 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking mini-redis v0.4.1 [INFO] [stderr] Checking axum v0.4.2 [INFO] [stderr] Checking web v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> examples/sort.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> examples/rm_nth_from_end_of_list.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 3 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove_from_end` is never used [INFO] [stdout] --> examples/rm_nth_from_end_of_list.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn remove_from_end(head: Option>, n: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bubble` is never used [INFO] [stdout] --> examples/sort.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn bubble(mut v: Vec) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fast_sort` is never used [INFO] [stdout] --> examples/sort.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn fast_sort(v: &mut Vec, left: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `position` is never used [INFO] [stdout] --> examples/sort.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn position(v: &mut Vec, left: usize, right: usize) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_kth_largest` is never used [INFO] [stdout] --> examples/sort.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn find_kth_largest(v: &mut Vec, left: usize, right: usize, k: usize) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `position_k` is never used [INFO] [stdout] --> examples/sort.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn position_k(v: &mut Vec, left: usize, right: usize, k: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `merge_sort` is never used [INFO] [stdout] --> examples/sort.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn merge_sort(v: &mut Vec, left: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `layer::layer_fn` [INFO] [stdout] --> examples/middleware.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | use tower::{layer::layer_fn, Service, ServiceBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `merge_k_lists` is never used [INFO] [stdout] --> examples/merge_two_list.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn merge_k_lists(lists: Vec>>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut n1 = TreeNode::new(1); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut n2 = TreeNode::new(2); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut n3 = TreeNode { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut n9 = TreeNode::new(9); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut n4 = TreeNode { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut n5 = TreeNode::new(5); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut n6 = TreeNode { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut n7 = TreeNode { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `preorder` is never used [INFO] [stdout] --> examples/tree.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn preorder(root: Option>>, v: &mut Vec) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `postorder` is never used [INFO] [stdout] --> examples/tree.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn postorder(root: Option>>, v: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inorder` is never used [INFO] [stdout] --> examples/tree.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn inorder(root: Option>>, v: &mut Vec) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `preorder_traversal` is never used [INFO] [stdout] --> examples/tree.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn preorder_traversal(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inorder_traversal` is never used [INFO] [stdout] --> examples/tree.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn inorder_traversal(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `postorder_traversal` is never used [INFO] [stdout] --> examples/tree.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn postorder_traversal(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `levelorder` is never used [INFO] [stdout] --> examples/tree.rs:152:4 [INFO] [stdout] | [INFO] [stdout] 152 | fn levelorder(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dfs` is never used [INFO] [stdout] --> examples/tree.rs:168:4 [INFO] [stdout] | [INFO] [stdout] 168 | fn dfs(node: Option>>, v: &mut Vec>>>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dfs_traversal` is never used [INFO] [stdout] --> examples/tree.rs:190:4 [INFO] [stdout] | [INFO] [stdout] 190 | fn dfs_traversal(node: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_max_depth_bfs` is never used [INFO] [stdout] --> examples/tree.rs:217:4 [INFO] [stdout] | [INFO] [stdout] 217 | fn find_max_depth_bfs(node: Option>>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::Notify` [INFO] [stdout] --> examples/delay.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::sync::Notify; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bbb` [INFO] [stdout] --> examples/min_stack.rs:181:9 [INFO] [stdout] | [INFO] [stdout] 181 | let bbb = aaa.clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_bbb` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Student` is never constructed [INFO] [stdout] --> examples/min_stack.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 96 | struct Student { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Color` is never constructed [INFO] [stdout] --> examples/min_stack.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 101 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ColorNoParam` is never used [INFO] [stdout] --> examples/min_stack.rs:104:6 [INFO] [stdout] | [INFO] [stdout] 104 | enum ColorNoParam { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `distinct` is never used [INFO] [stdout] --> examples/min_stack.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn distinct(mut sorted_arr: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> examples/min_stack.rs:128:4 [INFO] [stdout] | [INFO] [stdout] 128 | fn plus_one(mut num_vec: Vec) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sync::oneshot` [INFO] [stdout] --> examples/select.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::{select, sync::mpsc, sync::oneshot}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::vec` [INFO] [stdout] --> examples/echo-server-copy.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::vec; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncReadExt` and `AsyncWriteExt` [INFO] [stdout] --> examples/echo-server-copy.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | io::{self, AsyncReadExt, AsyncWriteExt}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> examples/reverse_list.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 3 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse` is never used [INFO] [stdout] --> examples/reverse_list.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn reverse(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle1` [INFO] [stdout] --> examples/select.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let handle1 = tokio::spawn(async move { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle2` [INFO] [stdout] --> examples/select.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let handle2 = tokio::spawn(async move { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle3` [INFO] [stdout] --> examples/select.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let handle3 = tokio::spawn(async move { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `action` is never used [INFO] [stdout] --> examples/select.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | async fn action(input: Option) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/middleware.rs:176:24 [INFO] [stdout] | [INFO] [stdout] 176 | fn call(&mut self, mut req: Request) -> Self::Future { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove` is never used [INFO] [stdout] --> examples/heap.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn remove(nums: &mut Vec) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hdrhistogram v6.3.4, nom v4.2.3, nom v6.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "77792e807c8383a13e9929a0d726192aa7484781cefe2641bfc7d7107513c368", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77792e807c8383a13e9929a0d726192aa7484781cefe2641bfc7d7107513c368", kill_on_drop: false }` [INFO] [stdout] 77792e807c8383a13e9929a0d726192aa7484781cefe2641bfc7d7107513c368