[INFO] cloning repository https://github.com/volundmush/mudstring-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/volundmush/mudstring-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolundmush%2Fmudstring-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolundmush%2Fmudstring-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d372a09f226b3cf24bf666788adcaffa74f7f6d
[INFO] testing volundmush/mudstring-rust against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolundmush%2Fmudstring-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/volundmush/mudstring-rust on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/volundmush/mudstring-rust
[INFO] finished tweaking git repo https://github.com/volundmush/mudstring-rust
[INFO] tweaked toml for git repo https://github.com/volundmush/mudstring-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/volundmush/mudstring-rust 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colori v0.1.1
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab619d37dec6ed294b4ee72a42f14c5173c0fa99b13f282f14b8b80e4420a203
[INFO] running `Command { std: "docker" "start" "-a" "ab619d37dec6ed294b4ee72a42f14c5173c0fa99b13f282f14b8b80e4420a203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab619d37dec6ed294b4ee72a42f14c5173c0fa99b13f282f14b8b80e4420a203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab619d37dec6ed294b4ee72a42f14c5173c0fa99b13f282f14b8b80e4420a203", kill_on_drop: false }`
[INFO] [stdout] ab619d37dec6ed294b4ee72a42f14c5173c0fa99b13f282f14b8b80e4420a203
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f76e04084c7a59d9f3d05aba85f40002e2e840332322a5521acced35a0a4c994
[INFO] running `Command { std: "docker" "start" "-a" "f76e04084c7a59d9f3d05aba85f40002e2e840332322a5521acced35a0a4c994", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-width v0.1.5
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling colori v0.1.1
[INFO] [stderr]    Compiling html-escape v0.2.9
[INFO] [stderr]    Compiling xmltree v0.10.3
[INFO] [stderr]    Compiling mudstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HslColor`
[INFO] [stdout]  --> src/core/color.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use colori::{RgbColor, HslColor};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/core/color.rs:218:32
[INFO] [stdout]     |
[INFO] [stdout] 218 |             let color_number = (16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5));
[INFO] [stdout]     |                                ^                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 218 -             let color_number = (16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5));
[INFO] [stdout] 218 +             let color_number = 16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ColorType`
[INFO] [stdout]  --> src/core/style.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     color::{Color, ColorType, ColorSystem}
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/core/style.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{HashMap};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color_number` is never read
[INFO] [stdout]    --> src/core/color.rs:207:25
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 let mut color_number : u8 = 0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/color.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut rgb = RgbColor(trip.red, trip.green, trip.blue);
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/core/text.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut span = Span {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/main.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |     text::{Segment, Span, Text}
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "f76e04084c7a59d9f3d05aba85f40002e2e840332322a5521acced35a0a4c994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76e04084c7a59d9f3d05aba85f40002e2e840332322a5521acced35a0a4c994", kill_on_drop: false }`
[INFO] [stdout] f76e04084c7a59d9f3d05aba85f40002e2e840332322a5521acced35a0a4c994
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6ebf7a9fab3c3868f8565062f15263db06d6db64567e15f4473f26cb506bf9a
[INFO] running `Command { std: "docker" "start" "-a" "b6ebf7a9fab3c3868f8565062f15263db06d6db64567e15f4473f26cb506bf9a", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `HslColor`
[INFO] [stdout]  --> src/core/color.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use colori::{RgbColor, HslColor};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/core/color.rs:218:32
[INFO] [stdout]     |
[INFO] [stdout] 218 |             let color_number = (16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5));
[INFO] [stdout]     |                                ^                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 218 -             let color_number = (16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5));
[INFO] [stdout] 218 +             let color_number = 16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mudstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ColorType`
[INFO] [stdout]  --> src/core/style.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     color::{Color, ColorType, ColorSystem}
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/core/style.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{HashMap};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color_number` is never read
[INFO] [stdout]    --> src/core/color.rs:207:25
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 let mut color_number : u8 = 0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/color.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut rgb = RgbColor(trip.red, trip.green, trip.blue);
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/core/text.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut span = Span {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/main.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |     text::{Segment, Span, Text}
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HslColor`
[INFO] [stdout]  --> src/core/color.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use colori::{RgbColor, HslColor};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/core/color.rs:218:32
[INFO] [stdout]     |
[INFO] [stdout] 218 |             let color_number = (16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5));
[INFO] [stdout]     |                                ^                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 218 -             let color_number = (16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5));
[INFO] [stdout] 218 +             let color_number = 16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ColorType`
[INFO] [stdout]  --> src/core/style.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     color::{Color, ColorType, ColorSystem}
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/core/style.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{HashMap};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color_number` is never read
[INFO] [stdout]    --> src/core/color.rs:207:25
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 let mut color_number : u8 = 0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/color.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut rgb = RgbColor(trip.red, trip.green, trip.blue);
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/core/text.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut span = Span {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "b6ebf7a9fab3c3868f8565062f15263db06d6db64567e15f4473f26cb506bf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ebf7a9fab3c3868f8565062f15263db06d6db64567e15f4473f26cb506bf9a", kill_on_drop: false }`
[INFO] [stdout] b6ebf7a9fab3c3868f8565062f15263db06d6db64567e15f4473f26cb506bf9a
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2501927169512a9fff7cc46ebb15b5491b8bb308a2f384b8ee7c53845bfddd8
[INFO] running `Command { std: "docker" "start" "-a" "c2501927169512a9fff7cc46ebb15b5491b8bb308a2f384b8ee7c53845bfddd8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HslColor`
[INFO] [stderr]  --> src/core/color.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use colori::{RgbColor, HslColor};
[INFO] [stderr]   |                        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/core/color.rs:218:32
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let color_number = (16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5));
[INFO] [stderr]     |                                ^                                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 218 -             let color_number = (16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5));
[INFO] [stderr] 218 +             let color_number = 16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ColorType`
[INFO] [stderr]  --> src/core/style.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 |     color::{Color, ColorType, ColorSystem}
[INFO] [stderr]   |                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/core/style.rs:5:24
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::{HashMap};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `color_number` is never read
[INFO] [stderr]    --> src/core/color.rs:207:25
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 let mut color_number : u8 = 0;
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/core/color.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |             let mut rgb = RgbColor(trip.red, trip.green, trip.blue);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/core/text.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let mut span = Span {
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `mudstring` (lib) generated 7 warnings (run `cargo fix --lib -p mudstring` to apply 6 suggestions)
[INFO] [stderr] warning: `mudstring` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: unused import: `Span`
[INFO] [stderr]  --> src/main.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 |     text::{Segment, Span, Text}
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mudstring` (bin "mudstring" test) generated 1 warning (run `cargo fix --bin "mudstring" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mudstring-9fc5a621cd1fa33d)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mudstring-45cba983b3ad27a9)
[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] [stderr]    Doc-tests mudstring
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/core/color.rs:218:32
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let color_number = (16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5));
[INFO] [stderr]     |                                ^                                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 218 -             let color_number = (16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5));
[INFO] [stderr] 218 +             let color_number = 16 + 36 * (trip.red * 5) + 6 * (trip.green * 5) + (trip.blue * 5);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "c2501927169512a9fff7cc46ebb15b5491b8bb308a2f384b8ee7c53845bfddd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2501927169512a9fff7cc46ebb15b5491b8bb308a2f384b8ee7c53845bfddd8", kill_on_drop: false }`
[INFO] [stdout] c2501927169512a9fff7cc46ebb15b5491b8bb308a2f384b8ee7c53845bfddd8
