[INFO] cloning repository https://github.com/rathikm/SDES
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rathikm/SDES" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frathikm%2FSDES", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frathikm%2FSDES'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85b975626f315b7ae92d58e43ec7b23d3285aa49
[INFO] checking rathikm/SDES against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frathikm%2FSDES" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
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[INFO] started tweaking git repo https://github.com/rathikm/SDES
[INFO] finished tweaking git repo https://github.com/rathikm/SDES
[INFO] tweaked toml for git repo https://github.com/rathikm/SDES written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rathikm/SDES on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rathikm/SDES 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array2d v0.3.2
[INFO] [stderr]   Downloaded combinatorial v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c186bb08aae3f5c449509afdc312808cce0c655acb983f1566a3f0e722bb7320
[INFO] running `Command { std: "docker" "start" "c186bb08aae3f5c449509afdc312808cce0c655acb983f1566a3f0e722bb7320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c186bb08aae3f5c449509afdc312808cce0c655acb983f1566a3f0e722bb7320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c186bb08aae3f5c449509afdc312808cce0c655acb983f1566a3f0e722bb7320" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c186bb08aae3f5c449509afdc312808cce0c655acb983f1566a3f0e722bb7320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c186bb08aae3f5c449509afdc312808cce0c655acb983f1566a3f0e722bb7320" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking array2d v0.3.2
[INFO] [stderr]     Checking combinatorial v0.2.0
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust_des v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `p_10_to_8` and `p_x`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sdes::{p_10_to_8, p_x};
[INFO] [stdout]   |            ^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::s_boxes`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::sdes::s_boxes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::permute_plaintext`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::sdes::permute_plaintext;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::sp_comb`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::sdes::sp_comb;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::split_expand`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::sdes::split_expand;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::keys`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::sdes::keys;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::xor`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::sdes::xor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/sdes.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if (count > 0) {
[INFO] [stdout]    |                ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -             if (count > 0) {
[INFO] [stdout] 31 +             if count > 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/sdes.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |             if (count > 0) {
[INFO] [stdout]    |                ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -             if (count > 0) {
[INFO] [stdout] 59 +             if count > 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/sdes.rs:87:16
[INFO] [stdout]    |
[INFO] [stdout] 87 |             if (count > 0) {
[INFO] [stdout]    |                ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -             if (count > 0) {
[INFO] [stdout] 87 +             if count > 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/sdes.rs:202:24
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     if (count > 0) {
[INFO] [stdout]     |                        ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 202 -                     if (count > 0) {
[INFO] [stdout] 202 +                     if count > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/sdes.rs:438:12
[INFO] [stdout]     |
[INFO] [stdout] 438 |         if (count > 0) {
[INFO] [stdout]     |            ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 438 -         if (count > 0) {
[INFO] [stdout] 438 +         if count > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/sdes.rs:473:12
[INFO] [stdout]     |
[INFO] [stdout] 473 |         if (c > 0) {
[INFO] [stdout]     |            ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 473 -         if (c > 0) {
[INFO] [stdout] 473 +         if c > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `p_10_to_8` and `p_x`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sdes::{p_10_to_8, p_x};
[INFO] [stdout]   |            ^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::s_boxes`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::sdes::s_boxes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::permute_plaintext`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::sdes::permute_plaintext;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::sp_comb`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::sdes::sp_comb;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::split_expand`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::sdes::split_expand;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::keys`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::sdes::keys;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sdes::xor`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::sdes::xor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/sdes.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if (count > 0) {
[INFO] [stdout]    |                ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -             if (count > 0) {
[INFO] [stdout] 31 +             if count > 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/sdes.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |             if (count > 0) {
[INFO] [stdout]    |                ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -             if (count > 0) {
[INFO] [stdout] 59 +             if count > 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/sdes.rs:87:16
[INFO] [stdout]    |
[INFO] [stdout] 87 |             if (count > 0) {
[INFO] [stdout]    |                ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -             if (count > 0) {
[INFO] [stdout] 87 +             if count > 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/sdes.rs:202:24
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     if (count > 0) {
[INFO] [stdout]     |                        ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 202 -                     if (count > 0) {
[INFO] [stdout] 202 +                     if count > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/sdes.rs:438:12
[INFO] [stdout]     |
[INFO] [stdout] 438 |         if (count > 0) {
[INFO] [stdout]     |            ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 438 -         if (count > 0) {
[INFO] [stdout] 438 +         if count > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/sdes.rs:473:12
[INFO] [stdout]     |
[INFO] [stdout] 473 |         if (c > 0) {
[INFO] [stdout]     |            ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 473 -         if (c > 0) {
[INFO] [stdout] 473 +         if c > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key1`
[INFO] [stdout]    --> src/sdes.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let key1 = 0;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key2`
[INFO] [stdout]    --> src/sdes.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let key2 = 0;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `com` is never read
[INFO] [stdout]    --> src/sdes.rs:184:29
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut com: Vec<i32> = Vec::new();
[INFO] [stdout]     |                             ^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 187 |             com = x;
[INFO] [stdout]     |             --- `com` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key1`
[INFO] [stdout]    --> src/sdes.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let key1 = 0;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key2`
[INFO] [stdout]    --> src/sdes.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let key2 = 0;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `com` is never read
[INFO] [stdout]    --> src/sdes.rs:184:29
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut com: Vec<i32> = Vec::new();
[INFO] [stdout]     |                             ^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 187 |             com = x;
[INFO] [stdout]     |             --- `com` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:351:13
[INFO] [stdout]     |
[INFO] [stdout] 351 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:351:13
[INFO] [stdout]     |
[INFO] [stdout] 351 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sdes.rs:400:9
[INFO] [stdout]     |
[INFO] [stdout] 400 |     let mut v1: Vec<u32> = vec![];
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sdes.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |     let mut v2: Vec<u32> = vec![];
[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/sdes.rs:400:9
[INFO] [stdout]     |
[INFO] [stdout] 400 |     let mut v1: Vec<u32> = vec![];
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sdes.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |     let mut v2: Vec<u32> = vec![];
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p_text`
[INFO] [stdout]    --> src/sdes.rs:364:23
[INFO] [stdout]     |
[INFO] [stdout] 364 | pub fn sdes(key: u16, p_text: u8) -> u8 {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip`
[INFO] [stdout]    --> src/sdes.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |     let ip = u8_to_binary_string(scrambled.0);
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]    --> src/sdes.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |     let v1 = expanded.1;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> src/sdes.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |     let v2 = expanded.2;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:380:13
[INFO] [stdout]     |
[INFO] [stdout] 380 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `c1` is assigned to, but never used
[INFO] [stdout]    --> src/sdes.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |     let mut c1 = 0;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_c1` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:395:13
[INFO] [stdout]     |
[INFO] [stdout] 395 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:417:13
[INFO] [stdout]     |
[INFO] [stdout] 417 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_comb`
[INFO] [stdout]    --> src/sdes.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let final_comb = format!("{:0>10}", new_str);
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_comb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:461:13
[INFO] [stdout]     |
[INFO] [stdout] 461 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c1` is never read
[INFO] [stdout]    --> src/sdes.rs:393:13
[INFO] [stdout]     |
[INFO] [stdout] 393 |             c1 = combined1_res;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u4_to_binary_string` is never used
[INFO] [stdout]    --> src/sdes.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn u4_to_binary_string(value: u8) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_sp_comb` is never used
[INFO] [stdout]    --> src/sdes.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn n_sp_comb(key: u16) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_bit_u8` is never used
[INFO] [stdout]    --> src/sdes.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn get_bit_u8(num: u8, pos: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused bitwise operation that must be used
[INFO] [stdout]    --> src/sdes.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     (num >> pos) & 1;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ the bitwise operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let _ = (num >> pos) & 1;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p_text`
[INFO] [stdout]    --> src/sdes.rs:364:23
[INFO] [stdout]     |
[INFO] [stdout] 364 | pub fn sdes(key: u16, p_text: u8) -> u8 {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip`
[INFO] [stdout]    --> src/sdes.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |     let ip = u8_to_binary_string(scrambled.0);
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]    --> src/sdes.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |     let v1 = expanded.1;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> src/sdes.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |     let v2 = expanded.2;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:380:13
[INFO] [stdout]     |
[INFO] [stdout] 380 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `c1` is assigned to, but never used
[INFO] [stdout]    --> src/sdes.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |     let mut c1 = 0;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_c1` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:395:13
[INFO] [stdout]     |
[INFO] [stdout] 395 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:417:13
[INFO] [stdout]     |
[INFO] [stdout] 417 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_comb`
[INFO] [stdout]    --> src/sdes.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let final_comb = format!("{:0>10}", new_str);
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_comb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/sdes.rs:461:13
[INFO] [stdout]     |
[INFO] [stdout] 461 |         Err(err) => {}
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c1` is never read
[INFO] [stdout]    --> src/sdes.rs:393:13
[INFO] [stdout]     |
[INFO] [stdout] 393 |             c1 = combined1_res;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u4_to_binary_string` is never used
[INFO] [stdout]    --> src/sdes.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn u4_to_binary_string(value: u8) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_sp_comb` is never used
[INFO] [stdout]    --> src/sdes.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn n_sp_comb(key: u16) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_bit_u8` is never used
[INFO] [stdout]    --> src/sdes.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn get_bit_u8(num: u8, pos: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused bitwise operation that must be used
[INFO] [stdout]    --> src/sdes.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     (num >> pos) & 1;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ the bitwise operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let _ = (num >> pos) & 1;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "c186bb08aae3f5c449509afdc312808cce0c655acb983f1566a3f0e722bb7320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c186bb08aae3f5c449509afdc312808cce0c655acb983f1566a3f0e722bb7320", kill_on_drop: false }`
[INFO] [stdout] c186bb08aae3f5c449509afdc312808cce0c655acb983f1566a3f0e722bb7320
