[INFO] cloning repository https://github.com/imzlh/simple-taskmgr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imzlh/simple-taskmgr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimzlh%2Fsimple-taskmgr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimzlh%2Fsimple-taskmgr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 142d757f86256c57cdc8f430d773a427c5f803ba
[INFO] linting imzlh/simple-taskmgr against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimzlh%2Fsimple-taskmgr" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/imzlh/simple-taskmgr
[INFO] finished tweaking git repo https://github.com/imzlh/simple-taskmgr
[INFO] tweaked toml for git repo https://github.com/imzlh/simple-taskmgr written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imzlh/simple-taskmgr on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/imzlh/simple-taskmgr 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded configparser v1.0.0
[INFO] [stderr]   Downloaded ini v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 963de7b3802c32ea100e97802702e2d690e7c631b395780b9a0bbf3e6e48c2dc
[INFO] running `Command { std: "docker" "start" "-a" "963de7b3802c32ea100e97802702e2d690e7c631b395780b9a0bbf3e6e48c2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "963de7b3802c32ea100e97802702e2d690e7c631b395780b9a0bbf3e6e48c2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963de7b3802c32ea100e97802702e2d690e7c631b395780b9a0bbf3e6e48c2dc", kill_on_drop: false }`
[INFO] [stdout] 963de7b3802c32ea100e97802702e2d690e7c631b395780b9a0bbf3e6e48c2dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6234d993e81c110c63949f316cdb598bb1ffdce988a723da8e63b8170e1ee2d
[INFO] running `Command { std: "docker" "start" "-a" "c6234d993e81c110c63949f316cdb598bb1ffdce988a723da8e63b8170e1ee2d", kill_on_drop: false }`
[INFO] [stderr]     Checking configparser v1.0.0
[INFO] [stderr]     Checking ini v1.3.0
[INFO] [stderr]     Checking task-mgr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]    --> src/server.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 | / pub mod server{
[INFO] [stdout]   2 | |     use std::{io::{BufRead, BufReader, Read, Write}, net::TcpListener, sync::{Arc, Mutex}};
[INFO] [stdout]   3 | |     use crate::Task;
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout]     = note: `#[warn(clippy::module_inception)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stdout]   --> src/server.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 if let Err(_) = stream.write("Welcome to Rust Server\n".as_bytes()){
[INFO] [stdout]    |                 -------^^^^^^------------------------------------------------------ help: try: `if stream.write("Welcome to Rust Server\n".as_bytes()).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]    = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stdout]    --> src/server.rs:118:48
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...                   if let Err(_) = file.read_to_end(&mut return_buffer){
[INFO] [stdout]     |                       -------^^^^^^--------------------------------------- help: try: `if file.read_to_end(&mut return_buffer).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/server.rs:133:66
[INFO] [stdout]     |
[INFO] [stdout] 133 | ...                   if task.name == value || value == "" {
[INFO] [stdout]     |                                                ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `value.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]     = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/server.rs:134:66
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   result += get_status(&task).as_str();
[INFO] [stdout]     |                                            ^^^^^ help: change this to: `task`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stdout]    --> src/server.rs:142:32
[INFO] [stdout]     |
[INFO] [stdout] 142 |                         if let Err(_) = stream.write(return_buffer.as_slice()){
[INFO] [stdout]     |                         -------^^^^^^----------------------------------------- help: try: `if stream.write(return_buffer.as_slice()).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stdout]    --> src/server.rs:146:32
[INFO] [stdout]     |
[INFO] [stdout] 146 |                         if let Err(_) = stream.write(returns.as_bytes()){
[INFO] [stdout]     |                         -------^^^^^^----------------------------------- help: try: `if stream.write(returns.as_bytes()).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stdout]    --> src/server.rs:150:32
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         if let Err(_) = stream.flush(){
[INFO] [stdout]     |                         -------^^^^^^----------------- help: try: `if stream.flush().is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]   --> src/task.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | / pub mod task{
[INFO] [stdout]  2 | |     use std::{ collections::HashMap, fs, sync::{Arc, Mutex}};
[INFO] [stdout]  3 | |
[INFO] [stdout]  4 | |     use ini::configparser::ini::Ini;
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/task.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     if!fs::metadata(task.cwd.clone()).is_ok(){
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `fs::metadata(task.cwd.clone()).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::collections::HashMap<std::string::String, std::string::String>`
[INFO] [stdout]   --> src/task.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 44 | ...                   None => HashMap::new().try_into().unwrap()
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `.try_into()`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/task.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |         if tasks.lock().unwrap().len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `tasks.lock().unwrap().is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if let` can be collapsed into the outer `if let`
[INFO] [stdout]   --> src/task.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 | /                     if let Some(code) = status {
[INFO] [stdout] 79 | |                         if code.success(){
[INFO] [stdout] 80 | |                             println!("Task {} exited successfully.", task.name);
[INFO] [stdout] 81 | |                             if task.retry_on_success {
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout] help: the outer pattern can be modified to include the inner pattern
[INFO] [stdout]   --> src/task.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 if let Ok(status) = child.try_wait(){
[INFO] [stdout]    |                           ^^^^^^ replace this binding
[INFO] [stdout] 78 |                     if let Some(code) = status {
[INFO] [stdout]    |                            ^^^^^^^^^^ with this pattern
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]    --> src/server.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 | / pub mod server{
[INFO] [stdout]   2 | |     use std::{io::{BufRead, BufReader, Read, Write}, net::TcpListener, sync::{Arc, Mutex}};
[INFO] [stdout]   3 | |     use crate::Task;
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout]     = note: `#[warn(clippy::module_inception)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stdout]   --> src/server.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 if let Err(_) = stream.write("Welcome to Rust Server\n".as_bytes()){
[INFO] [stdout]    |                 -------^^^^^^------------------------------------------------------ help: try: `if stream.write("Welcome to Rust Server\n".as_bytes()).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]    = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stdout]    --> src/server.rs:118:48
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...                   if let Err(_) = file.read_to_end(&mut return_buffer){
[INFO] [stdout]     |                       -------^^^^^^--------------------------------------- help: try: `if file.read_to_end(&mut return_buffer).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/server.rs:133:66
[INFO] [stdout]     |
[INFO] [stdout] 133 | ...                   if task.name == value || value == "" {
[INFO] [stdout]     |                                                ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `value.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]     = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/server.rs:134:66
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   result += get_status(&task).as_str();
[INFO] [stdout]     |                                            ^^^^^ help: change this to: `task`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stdout]    --> src/server.rs:142:32
[INFO] [stdout]     |
[INFO] [stdout] 142 |                         if let Err(_) = stream.write(return_buffer.as_slice()){
[INFO] [stdout]     |                         -------^^^^^^----------------------------------------- help: try: `if stream.write(return_buffer.as_slice()).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stdout]    --> src/server.rs:146:32
[INFO] [stdout]     |
[INFO] [stdout] 146 |                         if let Err(_) = stream.write(returns.as_bytes()){
[INFO] [stdout]     |                         -------^^^^^^----------------------------------- help: try: `if stream.write(returns.as_bytes()).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stdout]    --> src/server.rs:150:32
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         if let Err(_) = stream.flush(){
[INFO] [stdout]     |                         -------^^^^^^----------------- help: try: `if stream.flush().is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]   --> src/task.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | / pub mod task{
[INFO] [stdout]  2 | |     use std::{ collections::HashMap, fs, sync::{Arc, Mutex}};
[INFO] [stdout]  3 | |
[INFO] [stdout]  4 | |     use ini::configparser::ini::Ini;
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/task.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     if!fs::metadata(task.cwd.clone()).is_ok(){
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `fs::metadata(task.cwd.clone()).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::collections::HashMap<std::string::String, std::string::String>`
[INFO] [stdout]   --> src/task.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 44 | ...                   None => HashMap::new().try_into().unwrap()
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `.try_into()`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/task.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |         if tasks.lock().unwrap().len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `tasks.lock().unwrap().is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if let` can be collapsed into the outer `if let`
[INFO] [stdout]   --> src/task.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 | /                     if let Some(code) = status {
[INFO] [stdout] 79 | |                         if code.success(){
[INFO] [stdout] 80 | |                             println!("Task {} exited successfully.", task.name);
[INFO] [stdout] 81 | |                             if task.retry_on_success {
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout] help: the outer pattern can be modified to include the inner pattern
[INFO] [stdout]   --> src/task.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 if let Ok(status) = child.try_wait(){
[INFO] [stdout]    |                           ^^^^^^ replace this binding
[INFO] [stdout] 78 |                     if let Some(code) = status {
[INFO] [stdout]    |                            ^^^^^^^^^^ with this pattern
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c6234d993e81c110c63949f316cdb598bb1ffdce988a723da8e63b8170e1ee2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6234d993e81c110c63949f316cdb598bb1ffdce988a723da8e63b8170e1ee2d", kill_on_drop: false }`
[INFO] [stdout] c6234d993e81c110c63949f316cdb598bb1ffdce988a723da8e63b8170e1ee2d