[INFO] cloning repository https://github.com/GanidhuAbey/Binary-Converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GanidhuAbey/Binary-Converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGanidhuAbey%2FBinary-Converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGanidhuAbey%2FBinary-Converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22fb1ba1fae79ad852361213640b19fb18b36faa
[INFO] checking GanidhuAbey/Binary-Converter against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGanidhuAbey%2FBinary-Converter" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GanidhuAbey/Binary-Converter on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GanidhuAbey/Binary-Converter
[INFO] finished tweaking git repo https://github.com/GanidhuAbey/Binary-Converter
[INFO] tweaked toml for git repo https://github.com/GanidhuAbey/Binary-Converter written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/GanidhuAbey/Binary-Converter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2a4a5b8924085de90585bd1e9637c6a810bde0c61661762a69772492a327491
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2a4a5b8924085de90585bd1e9637c6a810bde0c61661762a69772492a327491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2a4a5b8924085de90585bd1e9637c6a810bde0c61661762a69772492a327491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a4a5b8924085de90585bd1e9637c6a810bde0c61661762a69772492a327491", kill_on_drop: false }`
[INFO] [stdout] b2a4a5b8924085de90585bd1e9637c6a810bde0c61661762a69772492a327491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d1c2371e822131ac78cd1cd999df98a36f96b700530843fb9cb59eb038069b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d1c2371e822131ac78cd1cd999df98a36f96b700530843fb9cb59eb038069b4", kill_on_drop: false }`
[INFO] [stderr]     Checking test1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     if (bn == 1) {
[INFO] [stdout]    |        ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         while (num1 != 0) {
[INFO] [stdout]    |               ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     if (bn == 1) {
[INFO] [stdout]    |        ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         while (num1 != 0) {
[INFO] [stdout]    |               ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timer`
[INFO] [stdout]   --> src/main.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut timer = 4;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Err(b) => bn = 2,
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:149:7
[INFO] [stdout]     |
[INFO] [stdout] 149 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:153:7
[INFO] [stdout]     |
[INFO] [stdout] 153 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:157:7
[INFO] [stdout]     |
[INFO] [stdout] 157 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:169:7
[INFO] [stdout]     |
[INFO] [stdout] 169 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:173:7
[INFO] [stdout]     |
[INFO] [stdout] 173 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:177:7
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:181:7
[INFO] [stdout]     |
[INFO] [stdout] 181 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:185:7
[INFO] [stdout]     |
[INFO] [stdout] 185 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:185:13
[INFO] [stdout]     |
[INFO] [stdout] 185 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:189:7
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:193:7
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:197:7
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:201:7
[INFO] [stdout]     |
[INFO] [stdout] 201 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:205:7
[INFO] [stdout]     |
[INFO] [stdout] 205 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:209:7
[INFO] [stdout]     |
[INFO] [stdout] 209 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:213:7
[INFO] [stdout]     |
[INFO] [stdout] 213 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:217:7
[INFO] [stdout]     |
[INFO] [stdout] 217 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:221:7
[INFO] [stdout]     |
[INFO] [stdout] 221 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:225:7
[INFO] [stdout]     |
[INFO] [stdout] 225 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:229:7
[INFO] [stdout]     |
[INFO] [stdout] 229 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:233:7
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:237:7
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:241:7
[INFO] [stdout]     |
[INFO] [stdout] 241 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:245:7
[INFO] [stdout]     |
[INFO] [stdout] 245 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:249:7
[INFO] [stdout]     |
[INFO] [stdout] 249 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:253:7
[INFO] [stdout]     |
[INFO] [stdout] 253 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:257:7
[INFO] [stdout]     |
[INFO] [stdout] 257 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:257:13
[INFO] [stdout]     |
[INFO] [stdout] 257 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:261:7
[INFO] [stdout]     |
[INFO] [stdout] 261 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:265:7
[INFO] [stdout]     |
[INFO] [stdout] 265 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:269:7
[INFO] [stdout]     |
[INFO] [stdout] 269 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:273:7
[INFO] [stdout]     |
[INFO] [stdout] 273 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timer`
[INFO] [stdout]   --> src/main.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut timer = 4;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Err(b) => bn = 2,
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:149:7
[INFO] [stdout]     |
[INFO] [stdout] 149 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:153:7
[INFO] [stdout]     |
[INFO] [stdout] 153 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:157:7
[INFO] [stdout]     |
[INFO] [stdout] 157 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:169:7
[INFO] [stdout]     |
[INFO] [stdout] 169 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:173:7
[INFO] [stdout]     |
[INFO] [stdout] 173 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:177:7
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:181:7
[INFO] [stdout]     |
[INFO] [stdout] 181 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:185:7
[INFO] [stdout]     |
[INFO] [stdout] 185 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut timer = 4;
[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: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:185:13
[INFO] [stdout]     |
[INFO] [stdout] 185 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:189:7
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut binary = &number[4..];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut zero = "0000000000000000000000000000000".to_string();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:193:7
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut p1 = &binary1[0..1];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:197:7
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut p2 = &binary1[1..2];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut p3 = &binary1[2..3];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:201:7
[INFO] [stdout]     |
[INFO] [stdout] 201 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut p4 = &binary1[3..4];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut p5 = &binary1[4..5];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:205:7
[INFO] [stdout]     |
[INFO] [stdout] 205 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut p6 = &binary1[5..6];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut p7 = &binary1[6..7];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:62:7
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut p8 = &binary1[7..8];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut p9 = &binary1[8..9];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut p10 = &binary1[9..10];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut p11 = &binary1[10..11];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut p12 = &binary1[11..12];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:72:7
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut p13 = &binary1[12..13];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut p14 = &binary1[13..14];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut p15 = &binary1[14..15];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut p16 = &binary1[15..16];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut p17 = &binary1[16..17];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:209:7
[INFO] [stdout]     |
[INFO] [stdout] 209 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut p18 = &binary1[17..18];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let mut p19 = &binary1[18..19];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut p20 = &binary1[19..20];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:213:7
[INFO] [stdout]     |
[INFO] [stdout] 213 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut p21 = &binary1[20..21];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:217:7
[INFO] [stdout]     |
[INFO] [stdout] 217 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:221:7
[INFO] [stdout]     |
[INFO] [stdout] 221 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:225:7
[INFO] [stdout]     |
[INFO] [stdout] 225 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:229:7
[INFO] [stdout]     |
[INFO] [stdout] 229 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:233:7
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:237:7
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:241:7
[INFO] [stdout]     |
[INFO] [stdout] 241 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:245:7
[INFO] [stdout]     |
[INFO] [stdout] 245 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:249:7
[INFO] [stdout]     |
[INFO] [stdout] 249 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:253:7
[INFO] [stdout]     |
[INFO] [stdout] 253 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:257:7
[INFO] [stdout]     |
[INFO] [stdout] 257 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:257:13
[INFO] [stdout]     |
[INFO] [stdout] 257 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:261:7
[INFO] [stdout]     |
[INFO] [stdout] 261 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut p22 = &binary1[21..22];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:265:7
[INFO] [stdout]     |
[INFO] [stdout] 265 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:92:7
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut p23 = &binary1[22..23];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:94:7
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut p24 = &binary1[23..24];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:7
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut p25 = &binary1[24..25];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:7
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut p26 = &binary1[25..26];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut p27 = &binary1[26..27];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:269:7
[INFO] [stdout]     |
[INFO] [stdout] 269 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:273:7
[INFO] [stdout]     |
[INFO] [stdout] 273 |         Err(b) => bn = 2,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bn` is never read
[INFO] [stdout]    --> src/main.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         Err(b) => bn = 2,
[INFO] [stdout]     |                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:102:7
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut p28 = &binary1[27..28];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:104:7
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut p29 = &binary1[28..29];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut p30 = &binary1[29..30];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:108:7
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut p31 = &binary1[30..31];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:110:7
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut p32 = &binary1[31..32];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut timer = 4;
[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/main.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut binary = &number[4..];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut zero = "0000000000000000000000000000000".to_string();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut p1 = &binary1[0..1];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut p2 = &binary1[1..2];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut p3 = &binary1[2..3];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut p4 = &binary1[3..4];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut p5 = &binary1[4..5];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut p6 = &binary1[5..6];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut p7 = &binary1[6..7];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:62:7
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut p8 = &binary1[7..8];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut p9 = &binary1[8..9];
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut p10 = &binary1[9..10];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut p11 = &binary1[10..11];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut p12 = &binary1[11..12];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:72:7
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut p13 = &binary1[12..13];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut p14 = &binary1[13..14];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut p15 = &binary1[14..15];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut p16 = &binary1[15..16];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut p17 = &binary1[16..17];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut p18 = &binary1[17..18];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let mut p19 = &binary1[18..19];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut p20 = &binary1[19..20];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut p21 = &binary1[20..21];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut p22 = &binary1[21..22];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:92:7
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut p23 = &binary1[22..23];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:94:7
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut p24 = &binary1[23..24];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:7
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut p25 = &binary1[24..25];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:7
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut p26 = &binary1[25..26];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut p27 = &binary1[26..27];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:102:7
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut p28 = &binary1[27..28];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:104:7
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut p29 = &binary1[28..29];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut p30 = &binary1[29..30];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:108:7
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut p31 = &binary1[30..31];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:110:7
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut p32 = &binary1[31..32];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 103 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 103 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "8d1c2371e822131ac78cd1cd999df98a36f96b700530843fb9cb59eb038069b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1c2371e822131ac78cd1cd999df98a36f96b700530843fb9cb59eb038069b4", kill_on_drop: false }`
[INFO] [stdout] 8d1c2371e822131ac78cd1cd999df98a36f96b700530843fb9cb59eb038069b4