[INFO] cloning repository https://github.com/slainless/flame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slainless/flame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslainless%2Fflame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslainless%2Fflame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6f5403647e4772b2cca3ccda168515e5ddf4fbd
[INFO] checking slainless/flame against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslainless%2Fflame" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slainless/flame on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/slainless/flame
[INFO] finished tweaking git repo https://github.com/slainless/flame
[INFO] tweaked toml for git repo https://github.com/slainless/flame written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/slainless/flame already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a55babce0fc24f0babf351aab2920d10f3814abdb01a84409bbb8a5e537cdeb
[INFO] running `Command { std: "docker" "start" "-a" "0a55babce0fc24f0babf351aab2920d10f3814abdb01a84409bbb8a5e537cdeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a55babce0fc24f0babf351aab2920d10f3814abdb01a84409bbb8a5e537cdeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a55babce0fc24f0babf351aab2920d10f3814abdb01a84409bbb8a5e537cdeb", kill_on_drop: false }`
[INFO] [stdout] 0a55babce0fc24f0babf351aab2920d10f3814abdb01a84409bbb8a5e537cdeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6f2c37be1f1e34fd901969e7637fc52b825475e625c6ce2a649375cb92a90af
[INFO] running `Command { std: "docker" "start" "-a" "b6f2c37be1f1e34fd901969e7637fc52b825475e625c6ce2a649375cb92a90af", kill_on_drop: false }`
[INFO] [stderr]     Checking webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SharedParams`
[INFO] [stdout]  --> src/router/tree/mod.rs:3:70
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{handler::{Handler, SharedHandler}, params::{params_from, SharedParams}};
[INFO] [stdout]   |                                                                      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::response::Response`
[INFO] [stdout]  --> src/router/handler.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::response::Response;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Handler`
[INFO] [stdout]  --> src/router/context.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::Handler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SharedParams`
[INFO] [stdout]  --> src/router/tree/mod.rs:3:70
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{handler::{Handler, SharedHandler}, params::{params_from, SharedParams}};
[INFO] [stdout]   |                                                                      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut` and `collections::HashMap`
[INFO] [stdout]  --> src/router/tree/tree_test.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{borrow::{Borrow, BorrowMut}, cell::RefCell, collections::HashMap, error::Error, rc::Rc};
[INFO] [stdout]   |                            ^^^^^^^^^                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]    --> src/router/tree/tree_test.rs:379:7
[INFO] [stdout]     |
[INFO] [stdout] 379 |   use std::borrow::Borrow;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `router::*`
[INFO] [stdout]    --> src/router/tree/tree_test.rs:382:22
[INFO] [stdout]     |
[INFO] [stdout] 382 |   use crate::{dbgln, router::*};
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `strmap`
[INFO] [stdout]    --> src/router/tree/tree_test.rs:426:16
[INFO] [stdout]     |
[INFO] [stdout] 426 |   macro_rules! strmap {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::response::Response`
[INFO] [stdout]  --> src/router/handler.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::response::Response;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Handler`
[INFO] [stdout]  --> src/router/context.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::Handler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parameter`
[INFO] [stdout]    --> src/router/tree/mod.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |         if let Some(parameter) = &ref_node.parameter {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/router/tree/tree_test.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{borrow::{Borrow, BorrowMut}, cell::RefCell, collections::HashMap, error::Error, rc::Rc};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_parameters` is never used
[INFO] [stdout]    --> src/router/tree/mod.rs:127:6
[INFO] [stdout]     |
[INFO] [stdout] 20  | impl Tree {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |   fn build_parameters(param: &HashMap<&str, &str>) -> params::Params {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MutSharedHandler` is never used
[INFO] [stdout]   --> src/router/handler.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub type MutSharedHandler = Rc<RefCell<Handler>>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `insert` are never used
[INFO] [stdout]   --> src/router/params.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Params {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 7  |   pub fn get(&self, key: &str) -> Option<&str> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |   fn insert(&mut self, key: String, value: String) {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `params_from` is never used
[INFO] [stdout]   --> src/router/params.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn params_from(map: HashMap<String, String>) -> Params {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_params` is never used
[INFO] [stdout]   --> src/router/params.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn set_params(param: &mut Params, key: String, value: String) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_params` is never used
[INFO] [stdout]   --> src/router/params.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn new_params() -> Params {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_shared_params` is never used
[INFO] [stdout]   --> src/router/params.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn new_shared_params() -> SharedParams {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SharedParams` is never used
[INFO] [stdout]   --> src/router/params.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub type SharedParams = Rc<Params>;
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_headers` is never used
[INFO] [stdout]   --> src/request.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Request {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |   pub(crate) fn set_headers(&mut self, headers: Headers) {
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `move_to` and `copy_to` are never used
[INFO] [stdout]    --> src/header.rs:93:17
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Headers {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 93  |   pub(crate) fn move_to(self, to: &mut Headers) {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |   pub(crate) fn copy_to(&self, to: &mut Headers) {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/header.rs:121:31
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct Value<'a>(&'a str, HashMap<&'a str, &'a str>);
[INFO] [stdout]     |            -----              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/router/tree/tree_test.rs:530:13
[INFO] [stdout]     |
[INFO] [stdout] 530 |     let mut tree = Tree::new();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/router/tree/tree_test.rs:530:9
[INFO] [stdout]     |
[INFO] [stdout] 530 |     let mut tree = Tree::new();
[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: unused variable: `parameter`
[INFO] [stdout]    --> src/router/tree/mod.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |         if let Some(parameter) = &ref_node.parameter {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Handle` and `Return`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use webserver::{App, Handle, Return};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut app = App::new();
[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: unused imports: `Handle` and `Return`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use webserver::{App, Handle, Return};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_parameters` is never used
[INFO] [stdout]    --> src/router/tree/mod.rs:127:6
[INFO] [stdout]     |
[INFO] [stdout] 20  | impl Tree {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |   fn build_parameters(param: &HashMap<&str, &str>) -> params::Params {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MutSharedHandler` is never used
[INFO] [stdout]   --> src/router/handler.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub type MutSharedHandler = Rc<RefCell<Handler>>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `insert` are never used
[INFO] [stdout]   --> src/router/params.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Params {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 7  |   pub fn get(&self, key: &str) -> Option<&str> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |   fn insert(&mut self, key: String, value: String) {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `params_from` is never used
[INFO] [stdout]   --> src/router/params.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn params_from(map: HashMap<String, String>) -> Params {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_params` is never used
[INFO] [stdout]   --> src/router/params.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn set_params(param: &mut Params, key: String, value: String) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_params` is never used
[INFO] [stdout]   --> src/router/params.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn new_params() -> Params {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_shared_params` is never used
[INFO] [stdout]   --> src/router/params.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn new_shared_params() -> SharedParams {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SharedParams` is never used
[INFO] [stdout]   --> src/router/params.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub type SharedParams = Rc<Params>;
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_headers` is never used
[INFO] [stdout]   --> src/request.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Request {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |   pub(crate) fn set_headers(&mut self, headers: Headers) {
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `move_to` and `copy_to` are never used
[INFO] [stdout]    --> src/header.rs:93:17
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Headers {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 93  |   pub(crate) fn move_to(self, to: &mut Headers) {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |   pub(crate) fn copy_to(&self, to: &mut Headers) {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut app = App::new();
[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: field `1` is never read
[INFO] [stdout]    --> src/header.rs:121:31
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct Value<'a>(&'a str, HashMap<&'a str, &'a str>);
[INFO] [stdout]     |            -----              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/router/tree/tree_test.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 70 |   h.function.as_ref()(&mut ctx);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |   let _ = h.function.as_ref()(&mut ctx);
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "b6f2c37be1f1e34fd901969e7637fc52b825475e625c6ce2a649375cb92a90af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f2c37be1f1e34fd901969e7637fc52b825475e625c6ce2a649375cb92a90af", kill_on_drop: false }`
[INFO] [stdout] b6f2c37be1f1e34fd901969e7637fc52b825475e625c6ce2a649375cb92a90af
