[INFO] cloning repository https://github.com/deevo-sage/rust-typing-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deevo-sage/rust-typing-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeevo-sage%2Frust-typing-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeevo-sage%2Frust-typing-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fe83f9ba2d52571b7f6e5d4ef6f1c8bc965163b
[INFO] linting deevo-sage/rust-typing-test against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeevo-sage%2Frust-typing-test" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/deevo-sage/rust-typing-test
[INFO] finished tweaking git repo https://github.com/deevo-sage/rust-typing-test
[INFO] tweaked toml for git repo https://github.com/deevo-sage/rust-typing-test written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/deevo-sage/rust-typing-test 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/deevo-sage/rust-typing-test 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7198f39525f3df712ffc8eca4ecf85d9ed76b2bd2cb48542231df1cd9df1cef7
[INFO] running `Command { std: "docker" "start" "-a" "7198f39525f3df712ffc8eca4ecf85d9ed76b2bd2cb48542231df1cd9df1cef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7198f39525f3df712ffc8eca4ecf85d9ed76b2bd2cb48542231df1cd9df1cef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7198f39525f3df712ffc8eca4ecf85d9ed76b2bd2cb48542231df1cd9df1cef7", kill_on_drop: false }`
[INFO] [stdout] 7198f39525f3df712ffc8eca4ecf85d9ed76b2bd2cb48542231df1cd9df1cef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 87b06849697716325e3f18b2811d6adde814357ca98b3873945d331775b18a9b
[INFO] running `Command { std: "docker" "start" "-a" "87b06849697716325e3f18b2811d6adde814357ca98b3873945d331775b18a9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking monkay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/test.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         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: empty string literal in `println!`
[INFO] [stdout]   --> src/test.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         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] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/test.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/test.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     if !(num.len() > 0) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: try: `(num.len() <= 0)`
[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: match can be simplified with `.unwrap_or_default()`
[INFO] [stdout]   --> src/test.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |       let mut num: String = match iter.next() {
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 58 | |         Some(val) => val,
[INFO] [stdout] 59 | |         None => String::new(),
[INFO] [stdout] 60 | |     };
[INFO] [stdout]    | |_____^ help: ascribe the type std::string::String and replace your expression with: `iter.next().unwrap_or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or_default
[INFO] [stdout]    = note: `#[warn(clippy::manual_unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/test.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |     if !(num.len() > 0) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!num.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: unneeded `return` statement
[INFO] [stdout]    --> src/test.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     return Test {
[INFO] [stdout] 114 | |         input: String::from(input.trim()),
[INFO] [stdout] 115 | |         start,
[INFO] [stdout] 116 | |         end,
[INFO] [stdout] 117 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 113 ~     Test {
[INFO] [stdout] 114 +         input: String::from(input.trim()),
[INFO] [stdout] 115 +         start,
[INFO] [stdout] 116 +         end,
[INFO] [stdout] 117 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]   --> src/test.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |     println!("{}", "The words are");
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stdout]    = note: `#[warn(clippy::print_literal)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 91 -     println!("{}", "The words are");
[INFO] [stdout] 91 +     println!("The words are");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/test.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/test.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/test.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]    --> src/test.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 | /     loop {
[INFO] [stdout] 126 | |         let word = match words.next() {
[INFO] [stdout] 127 | |             Some(val) => val,
[INFO] [stdout] 128 | |             None => break,
[INFO] [stdout] ...   |
[INFO] [stdout] 140 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]     = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 125 ~     while let Some(val) = words.next() {
[INFO] [stdout] 126 +         let word = val;
[INFO] [stdout] 127 +         ..
[INFO] [stdout] 128 +     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/test.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         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: empty string literal in `println!`
[INFO] [stdout]   --> src/test.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         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] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/test.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/test.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     if !(num.len() > 0) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: try: `(num.len() <= 0)`
[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: match can be simplified with `.unwrap_or_default()`
[INFO] [stdout]   --> src/test.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |       let mut num: String = match iter.next() {
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 58 | |         Some(val) => val,
[INFO] [stdout] 59 | |         None => String::new(),
[INFO] [stdout] 60 | |     };
[INFO] [stdout]    | |_____^ help: ascribe the type std::string::String and replace your expression with: `iter.next().unwrap_or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or_default
[INFO] [stdout]    = note: `#[warn(clippy::manual_unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/test.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |     if !(num.len() > 0) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!num.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: unneeded `return` statement
[INFO] [stdout]    --> src/test.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     return Test {
[INFO] [stdout] 114 | |         input: String::from(input.trim()),
[INFO] [stdout] 115 | |         start,
[INFO] [stdout] 116 | |         end,
[INFO] [stdout] 117 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 113 ~     Test {
[INFO] [stdout] 114 +         input: String::from(input.trim()),
[INFO] [stdout] 115 +         start,
[INFO] [stdout] 116 +         end,
[INFO] [stdout] 117 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]   --> src/test.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |     println!("{}", "The words are");
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stdout]    = note: `#[warn(clippy::print_literal)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 91 -     println!("{}", "The words are");
[INFO] [stdout] 91 +     println!("The words are");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/test.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/test.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/test.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]    --> src/test.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 | /     loop {
[INFO] [stdout] 126 | |         let word = match words.next() {
[INFO] [stdout] 127 | |             Some(val) => val,
[INFO] [stdout] 128 | |             None => break,
[INFO] [stdout] ...   |
[INFO] [stdout] 140 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]     = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 125 ~     while let Some(val) = words.next() {
[INFO] [stdout] 126 +         let word = val;
[INFO] [stdout] 127 +         ..
[INFO] [stdout] 128 +     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "87b06849697716325e3f18b2811d6adde814357ca98b3873945d331775b18a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b06849697716325e3f18b2811d6adde814357ca98b3873945d331775b18a9b", kill_on_drop: false }`
[INFO] [stdout] 87b06849697716325e3f18b2811d6adde814357ca98b3873945d331775b18a9b