[INFO] cloning repository https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatteo-Gigli%2FSome-random-basic-code-in-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatteo-Gigli%2FSome-random-basic-code-in-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e6d78abbc3f6af8f1e21f7e79f3b5140a2ee83a
[INFO] documenting Matteo-Gigli/Some-random-basic-code-in-Rust against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatteo-Gigli%2FSome-random-basic-code-in-Rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust
[INFO] finished tweaking git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust
[INFO] tweaked toml for git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0cb1a34ba4e3349e387555fffb88161866656c222b7e5729bb3e817834d6d1fc
[INFO] running `Command { std: "docker" "start" "-a" "0cb1a34ba4e3349e387555fffb88161866656c222b7e5729bb3e817834d6d1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cb1a34ba4e3349e387555fffb88161866656c222b7e5729bb3e817834d6d1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb1a34ba4e3349e387555fffb88161866656c222b7e5729bb3e817834d6d1fc", kill_on_drop: false }`
[INFO] [stdout] 0cb1a34ba4e3349e387555fffb88161866656c222b7e5729bb3e817834d6d1fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83111e5974fb012582f7889263f48b0afcc1d95d0ed9fbe78d3c0a4ddbeef457
[INFO] running `Command { std: "docker" "start" "-a" "83111e5974fb012582f7889263f48b0afcc1d95d0ed9fbe78d3c0a4ddbeef457", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn rectangle_area(n1:f32, n2:f32)->(f32){
[INFO] [stdout]    |                                    ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn rectangle_area(n1:f32, n2:f32)->(f32){
[INFO] [stdout] 23 + fn rectangle_area(n1:f32, n2:f32)->f32{
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:127:20
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let c1: char = ('💡');
[INFO] [stdout]     |                    ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 127 -     let c1: char = ('💡');
[INFO] [stdout] 127 +     let c1: char = '💡';
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let logo: char = ('📲');
[INFO] [stdout]     |                      ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -     let logo: char = ('📲');
[INFO] [stdout] 153 +     let logo: char = '📲';
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |     }else if(convert_second > convert_first){
[INFO] [stdout]     |             ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 252 -     }else if(convert_second > convert_first){
[INFO] [stdout] 252 +     }else if convert_second > convert_first {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:303:19
[INFO] [stdout]     |
[INFO] [stdout] 303 |         } else if (convert_input_first_choice == 2) {
[INFO] [stdout]     |                   ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 303 -         } else if (convert_input_first_choice == 2) {
[INFO] [stdout] 303 +         } else if convert_input_first_choice == 2 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:318:19
[INFO] [stdout]     |
[INFO] [stdout] 318 |         } else if (convert_input_first_choice == 3) {
[INFO] [stdout]     |                   ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 318 -         } else if (convert_input_first_choice == 3) {
[INFO] [stdout] 318 +         } else if convert_input_first_choice == 3 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:333:19
[INFO] [stdout]     |
[INFO] [stdout] 333 |         } else if (convert_input_first_choice == 4) {
[INFO] [stdout]     |                   ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 333 -         } else if (convert_input_first_choice == 4) {
[INFO] [stdout] 333 +         } else if convert_input_first_choice == 4 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:366:24
[INFO] [stdout]     |
[INFO] [stdout] 366 |                     if (i == 'N' || i == 'n') {
[INFO] [stdout]     |                        ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 366 -                     if (i == 'N' || i == 'n') {
[INFO] [stdout] 366 +                     if i == 'N' || i == 'n' {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:754:17
[INFO] [stdout]     |
[INFO] [stdout] 754 |         }else if(i == 'n' || i == 'N'){
[INFO] [stdout]     |                 ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 754 -         }else if(i == 'n' || i == 'N'){
[INFO] [stdout] 754 +         }else if i == 'n' || i == 'N' {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "83111e5974fb012582f7889263f48b0afcc1d95d0ed9fbe78d3c0a4ddbeef457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83111e5974fb012582f7889263f48b0afcc1d95d0ed9fbe78d3c0a4ddbeef457", kill_on_drop: false }`
[INFO] [stdout] 83111e5974fb012582f7889263f48b0afcc1d95d0ed9fbe78d3c0a4ddbeef457