[INFO] cloning repository https://github.com/Iviv122/Cruster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Iviv122/Cruster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIviv122%2FCruster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIviv122%2FCruster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef7195377bfbe761a615fe4a187a653832092448
[INFO] linting Iviv122/Cruster against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIviv122%2FCruster" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Iviv122/Cruster
[INFO] finished tweaking git repo https://github.com/Iviv122/Cruster
[INFO] tweaked toml for git repo https://github.com/Iviv122/Cruster written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Iviv122/Cruster 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/Iviv122/Cruster 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f4dc6645f8ec9ff7e4ae2e3f28b36f0a94286eaf781af2046569671ce059afd5
[INFO] running `Command { std: "docker" "start" "-a" "f4dc6645f8ec9ff7e4ae2e3f28b36f0a94286eaf781af2046569671ce059afd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4dc6645f8ec9ff7e4ae2e3f28b36f0a94286eaf781af2046569671ce059afd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4dc6645f8ec9ff7e4ae2e3f28b36f0a94286eaf781af2046569671ce059afd5", kill_on_drop: false }`
[INFO] [stdout] f4dc6645f8ec9ff7e4ae2e3f28b36f0a94286eaf781af2046569671ce059afd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 68b93b00487d3c60cc4eb3286521a0e4102858be1f4a0e0dfc5972b6297c6477
[INFO] running `Command { std: "docker" "start" "-a" "68b93b00487d3c60cc4eb3286521a0e4102858be1f4a0e0dfc5972b6297c6477", kill_on_drop: false }`
[INFO] [stderr]     Checking cruster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/threads/thread_pool.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             workers: workers,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `workers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/threads/thread_pool.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             workers: workers,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `workers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> src/web/router.rs:11:78
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn handle_connection(folder: String, mut stream: TcpStream,verbose: bool) -> () {
[INFO] [stdout]    |                                                                              ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> src/web/router.rs:11:78
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn handle_connection(folder: String, mut stream: TcpStream,verbose: bool) -> () {
[INFO] [stdout]    |                                                                              ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]   --> src/web/router.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let request_type: &str = req.next().unwrap_or_else(|| "wrong type");
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_lazy_evaluations)]` on by default
[INFO] [stdout] help: use `unwrap_or` instead
[INFO] [stdout]    |
[INFO] [stdout] 23 -     let request_type: &str = req.next().unwrap_or_else(|| "wrong type");
[INFO] [stdout] 23 +     let request_type: &str = req.next().unwrap_or("wrong type");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]   --> src/web/router.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut filename: String = req.next().unwrap_or_else(|| "404").to_string();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout] help: use `unwrap_or` instead
[INFO] [stdout]    |
[INFO] [stdout] 24 -     let mut filename: String = req.next().unwrap_or_else(|| "404").to_string();
[INFO] [stdout] 24 +     let mut filename: String = req.next().unwrap_or("404").to_string();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `ends_with` method
[INFO] [stdout]   --> src/web/router.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if filename.chars().last().unwrap() == '/' {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `filename.ends_with('/')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_last_cmp
[INFO] [stdout]    = note: `#[warn(clippy::chars_last_cmp)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]   --> src/web/router.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let request_type: &str = req.next().unwrap_or_else(|| "wrong type");
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_lazy_evaluations)]` on by default
[INFO] [stdout] help: use `unwrap_or` instead
[INFO] [stdout]    |
[INFO] [stdout] 23 -     let request_type: &str = req.next().unwrap_or_else(|| "wrong type");
[INFO] [stdout] 23 +     let request_type: &str = req.next().unwrap_or("wrong type");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]   --> src/web/router.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut filename: String = req.next().unwrap_or_else(|| "404").to_string();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout] help: use `unwrap_or` instead
[INFO] [stdout]    |
[INFO] [stdout] 24 -     let mut filename: String = req.next().unwrap_or_else(|| "404").to_string();
[INFO] [stdout] 24 +     let mut filename: String = req.next().unwrap_or("404").to_string();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `ends_with` method
[INFO] [stdout]   --> src/web/router.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if filename.chars().last().unwrap() == '/' {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `filename.ends_with('/')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_last_cmp
[INFO] [stdout]    = note: `#[warn(clippy::chars_last_cmp)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/web/router.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     !Path::new(filename).extension().is_none()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Path::new(filename).extension().is_some()`
[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: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]    --> src/web/router.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | /     Path::new(filename)
[INFO] [stdout] 104 | |         .extension()
[INFO] [stdout] 105 | |         .unwrap_or_default()
[INFO] [stdout] 106 | |         .to_str()
[INFO] [stdout] 107 | |         .unwrap_or_else(|| "")
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout] help: use `unwrap_or` instead
[INFO] [stdout]     |
[INFO] [stdout] 107 -         .unwrap_or_else(|| "")
[INFO] [stdout] 107 +         .unwrap_or("")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/web/router.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     !Path::new(filename).extension().is_none()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Path::new(filename).extension().is_some()`
[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: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]    --> src/web/router.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | /     Path::new(filename)
[INFO] [stdout] 104 | |         .extension()
[INFO] [stdout] 105 | |         .unwrap_or_default()
[INFO] [stdout] 106 | |         .to_str()
[INFO] [stdout] 107 | |         .unwrap_or_else(|| "")
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout] help: use `unwrap_or` instead
[INFO] [stdout]     |
[INFO] [stdout] 107 -         .unwrap_or_else(|| "")
[INFO] [stdout] 107 +         .unwrap_or("")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         println!("");
[INFO] [stdout]    |         ^^^^^^^^^--^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> src/main.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn show_usage() -> () {
[INFO] [stdout]    |                ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         println!("");
[INFO] [stdout]    |         ^^^^^^^^^--^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> src/main.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn show_usage() -> () {
[INFO] [stdout]    |                ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68b93b00487d3c60cc4eb3286521a0e4102858be1f4a0e0dfc5972b6297c6477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b93b00487d3c60cc4eb3286521a0e4102858be1f4a0e0dfc5972b6297c6477", kill_on_drop: false }`
[INFO] [stdout] 68b93b00487d3c60cc4eb3286521a0e4102858be1f4a0e0dfc5972b6297c6477