[INFO] cloning repository https://github.com/mrguilt/diceroller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrguilt/diceroller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrguilt%2Fdiceroller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrguilt%2Fdiceroller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef62ad8c3d07f13b9b88f278cdd6ecc4f7629c4b
[INFO] testing mrguilt/diceroller against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrguilt%2Fdiceroller" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  99% (2928/2951)
Updating files: 100% (2951/2951)
Updating files: 100% (2951/2951), done.
[INFO] started tweaking git repo https://github.com/mrguilt/diceroller
[INFO] finished tweaking git repo https://github.com/mrguilt/diceroller
[INFO] tweaked toml for git repo https://github.com/mrguilt/diceroller written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mrguilt/diceroller on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mrguilt/diceroller 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e
[INFO] running `Command { std: "docker" "start" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling diceroller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |     for item in (1..num_args) {
[INFO] [stdout]    |                 ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -     for item in (1..num_args) {
[INFO] [stdout] 33 +     for item in 1..num_args {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:69:18
[INFO] [stdout]    |
[INFO] [stdout] 69 |     for group in (1..num_args) {    //go through each requested set of rolls
[INFO] [stdout]    |                  ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -     for group in (1..num_args) {    //go through each requested set of rolls
[INFO] [stdout] 69 +     for group in 1..num_args {    //go through each requested set of rolls
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |         for roll in (0..(howmanyrolls[group-1])) {
[INFO] [stdout]    |                     ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -         for roll in (0..(howmanyrolls[group-1])) {
[INFO] [stdout] 72 +         for roll in 0..(howmanyrolls[group-1]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 |     for i in (0..count) {
[INFO] [stdout]     |              ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -     for i in (0..count) {
[INFO] [stdout] 163 +     for i in 0..count {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:221:14
[INFO] [stdout]     |
[INFO] [stdout] 221 |     for i in (0..(width/4)) {
[INFO] [stdout]     |              ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 221 -     for i in (0..(width/4)) {
[INFO] [stdout] 221 +     for i in 0..(width/4) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:225:14
[INFO] [stdout]     |
[INFO] [stdout] 225 |     for i in (0..(width/4)) {
[INFO] [stdout]     |              ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 225 -     for i in (0..(width/4)) {
[INFO] [stdout] 225 +     for i in 0..(width/4) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut rolls:Vec<&str>=commandline.split('d').collect(); //split the command line
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `commandline`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut commandline:String;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commandline`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     for i in (0..count) {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let mut width:i8=7; //Width and height of the dice. I was going to vary 
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     for i in (0..(width/4)) {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     for i in (0..(width/4)) {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling diceroller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |     for item in (1..num_args) {
[INFO] [stdout]    |                 ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -     for item in (1..num_args) {
[INFO] [stdout] 33 +     for item in 1..num_args {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:69:18
[INFO] [stdout]    |
[INFO] [stdout] 69 |     for group in (1..num_args) {    //go through each requested set of rolls
[INFO] [stdout]    |                  ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -     for group in (1..num_args) {    //go through each requested set of rolls
[INFO] [stdout] 69 +     for group in 1..num_args {    //go through each requested set of rolls
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |         for roll in (0..(howmanyrolls[group-1])) {
[INFO] [stdout]    |                     ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -         for roll in (0..(howmanyrolls[group-1])) {
[INFO] [stdout] 72 +         for roll in 0..(howmanyrolls[group-1]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 |     for i in (0..count) {
[INFO] [stdout]     |              ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -     for i in (0..count) {
[INFO] [stdout] 163 +     for i in 0..count {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:221:14
[INFO] [stdout]     |
[INFO] [stdout] 221 |     for i in (0..(width/4)) {
[INFO] [stdout]     |              ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 221 -     for i in (0..(width/4)) {
[INFO] [stdout] 221 +     for i in 0..(width/4) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:225:14
[INFO] [stdout]     |
[INFO] [stdout] 225 |     for i in (0..(width/4)) {
[INFO] [stdout]     |              ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 225 -     for i in (0..(width/4)) {
[INFO] [stdout] 225 +     for i in 0..(width/4) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut rolls:Vec<&str>=commandline.split('d').collect(); //split the command line
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `commandline`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut commandline:String;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commandline`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     for i in (0..count) {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let mut width:i8=7; //Width and height of the dice. I was going to vary 
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     for i in (0..(width/4)) {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     for i in (0..(width/4)) {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |     for item in (1..num_args) {
[INFO] [stderr]    |                 ^           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 33 -     for item in (1..num_args) {
[INFO] [stderr] 33 +     for item in 1..num_args {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:69:18
[INFO] [stderr]    |
[INFO] [stderr] 69 |     for group in (1..num_args) {    //go through each requested set of rolls
[INFO] [stderr]    |                  ^           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 69 -     for group in (1..num_args) {    //go through each requested set of rolls
[INFO] [stderr] 69 +     for group in 1..num_args {    //go through each requested set of rolls
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |         for roll in (0..(howmanyrolls[group-1])) {
[INFO] [stderr]    |                     ^                          ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 72 -         for roll in (0..(howmanyrolls[group-1])) {
[INFO] [stderr] 72 +         for roll in 0..(howmanyrolls[group-1]) {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/main.rs:163:14
[INFO] [stderr]     |
[INFO] [stderr] 163 |     for i in (0..count) {
[INFO] [stderr]     |              ^        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 163 -     for i in (0..count) {
[INFO] [stderr] 163 +     for i in 0..count {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/main.rs:221:14
[INFO] [stderr]     |
[INFO] [stderr] 221 |     for i in (0..(width/4)) {
[INFO] [stderr]     |              ^            ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 221 -     for i in (0..(width/4)) {
[INFO] [stderr] 221 +     for i in 0..(width/4) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/main.rs:225:14
[INFO] [stderr]     |
[INFO] [stderr] 225 |     for i in (0..(width/4)) {
[INFO] [stderr]     |              ^            ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 225 -     for i in (0..(width/4)) {
[INFO] [stderr] 225 +     for i in 0..(width/4) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut rolls:Vec<&str>=commandline.split('d').collect(); //split the command line
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `commandline`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut commandline:String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commandline`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |     for i in (0..count) {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |     let mut width:i8=7; //Width and height of the dice. I was going to vary 
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |     for i in (0..(width/4)) {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |     for i in (0..(width/4)) {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: `diceroller` (bin "diceroller" test) generated 12 warnings (run `cargo fix --bin "diceroller" -p diceroller --tests` to apply 12 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/diceroller/599d57b604db495e/out/diceroller-599d57b604db495e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e", kill_on_drop: false }`
[INFO] [stdout] fc8c194bb12b2a64195a3f06424d32d70ff1ab0f3338a24546ec92de2ba45d7e
