[INFO] cloning repository https://github.com/LaurentErreca/adventofcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LaurentErreca/adventofcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaurentErreca%2Fadventofcode", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70ddde72ae5c570f95163848d6bea66c21bf34da
[INFO] checking LaurentErreca/adventofcode against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaurentErreca%2Fadventofcode" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LaurentErreca/adventofcode
[INFO] finished tweaking git repo https://github.com/LaurentErreca/adventofcode
[INFO] tweaked toml for git repo https://github.com/LaurentErreca/adventofcode written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LaurentErreca/adventofcode on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LaurentErreca/adventofcode 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8e0ea04cc91886d027c6fd451d17e4bef4b64ecda60fa988bc3a91b8a7099b7c
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[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" "8e0ea04cc91886d027c6fd451d17e4bef4b64ecda60fa988bc3a91b8a7099b7c" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling curl-sys v0.4.55+curl-7.83.1
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking avent2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:87:23
[INFO] [stdout]     |
[INFO] [stdout]  87 |     let mut a: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 115 |     a = find_a(one, seven);
[INFO] [stdout]     |     ---------------------- `a` 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: value assigned to `b` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:88:23
[INFO] [stdout]     |
[INFO] [stdout]  88 |     let mut b: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 142 |     b = find_b(one, four, &li);
[INFO] [stdout]     |     -------------------------- `b` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:89:23
[INFO] [stdout]     |
[INFO] [stdout]  89 |     let mut c: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 150 |     c = find_c(one, f);
[INFO] [stdout]     |     ------------------ `c` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:90:23
[INFO] [stdout]     |
[INFO] [stdout]  90 |     let mut d: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 154 |     d = find_d(eight, a, g, e, b, f, c);
[INFO] [stdout]     |     ----------------------------------- `d` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:91:23
[INFO] [stdout]     |
[INFO] [stdout]  91 |     let mut e: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 138 |     e = find_e(eight, one, four, seven, g);
[INFO] [stdout]     |     -------------------------------------- `e` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:92:23
[INFO] [stdout]     |
[INFO] [stdout]  92 |     let mut f: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 146 |     f = find_f(&li, one, four, b);
[INFO] [stdout]     |     ----------------------------- `f` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `zero` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:94:26
[INFO] [stdout]     |
[INFO] [stdout]  94 |     let mut zero: &str = "";
[INFO] [stdout]     |                          ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 159 |     zero = &ref_zero;
[INFO] [stdout]     |     ---------------- `zero` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `two` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:96:25
[INFO] [stdout]     |
[INFO] [stdout]  96 |     let mut two: &str = "";
[INFO] [stdout]     |                         ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 163 |     two = &ref_two;
[INFO] [stdout]     |     -------------- `two` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `five` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:99:26
[INFO] [stdout]     |
[INFO] [stdout]  99 |     let mut five: &str = "";
[INFO] [stdout]     |                          ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 169 |     five = &ref_five;
[INFO] [stdout]     |     ---------------- `five` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `six` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:100:25
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let mut six: &str = "";
[INFO] [stdout]     |                         ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 172 |     six = &ref_six;
[INFO] [stdout]     |     -------------- `six` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nine` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:103:26
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut nine: &str = "";
[INFO] [stdout]     |                          ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 175 |     nine = &ref_nine;
[INFO] [stdout]     |     ---------------- `nine` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day9.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut start_position: usize = indexes[idx];
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/solutions/day9.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let result: u32 = indexes.iter().map(|x| data[*x]+1).sum::<u32>();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/solutions/day9.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let idx: usize = 3;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/solutions/day9.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 |     for (key, value) in &basins {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nb_row`
[INFO] [stdout]   --> src/solutions/day11.rs:15:87
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn increment_data_at_position(data: &mut Vec<u32>, x: usize, y: usize, nb_col: usize, nb_row: usize) -> () {
[INFO] [stdout]    |                                                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nb_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/solutions/day8.rs:109:40
[INFO] [stdout]     |
[INFO] [stdout] 109 |         if code.len() == 2 { one = code.clone(); /* println!("one : {:?}", one); */ }
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/solutions/day8.rs:110:41
[INFO] [stdout]     |
[INFO] [stdout] 110 |         if code.len() == 4 { four = code.clone(); /* println!("four : {:?}", four); */ }
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/solutions/day8.rs:111:42
[INFO] [stdout]     |
[INFO] [stdout] 111 |         if code.len() == 3 { seven = code.clone(); /* println!("seven : {:?}", seven); */ }
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/solutions/day8.rs:112:42
[INFO] [stdout]     |
[INFO] [stdout] 112 |         if code.len() == 7 { eight = code.clone(); /* println!("eight : {:?}", eight); */ }
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:87:23
[INFO] [stdout]     |
[INFO] [stdout]  87 |     let mut a: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 115 |     a = find_a(one, seven);
[INFO] [stdout]     |     ---------------------- `a` 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: value assigned to `b` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:88:23
[INFO] [stdout]     |
[INFO] [stdout]  88 |     let mut b: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 142 |     b = find_b(one, four, &li);
[INFO] [stdout]     |     -------------------------- `b` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:89:23
[INFO] [stdout]     |
[INFO] [stdout]  89 |     let mut c: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 150 |     c = find_c(one, f);
[INFO] [stdout]     |     ------------------ `c` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:90:23
[INFO] [stdout]     |
[INFO] [stdout]  90 |     let mut d: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 154 |     d = find_d(eight, a, g, e, b, f, c);
[INFO] [stdout]     |     ----------------------------------- `d` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:91:23
[INFO] [stdout]     |
[INFO] [stdout]  91 |     let mut e: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 138 |     e = find_e(eight, one, four, seven, g);
[INFO] [stdout]     |     -------------------------------------- `e` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:92:23
[INFO] [stdout]     |
[INFO] [stdout]  92 |     let mut f: char = 'x';
[INFO] [stdout]     |                       ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 146 |     f = find_f(&li, one, four, b);
[INFO] [stdout]     |     ----------------------------- `f` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `zero` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:94:26
[INFO] [stdout]     |
[INFO] [stdout]  94 |     let mut zero: &str = "";
[INFO] [stdout]     |                          ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 159 |     zero = &ref_zero;
[INFO] [stdout]     |     ---------------- `zero` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `two` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:96:25
[INFO] [stdout]     |
[INFO] [stdout]  96 |     let mut two: &str = "";
[INFO] [stdout]     |                         ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 163 |     two = &ref_two;
[INFO] [stdout]     |     -------------- `two` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `five` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:99:26
[INFO] [stdout]     |
[INFO] [stdout]  99 |     let mut five: &str = "";
[INFO] [stdout]     |                          ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 169 |     five = &ref_five;
[INFO] [stdout]     |     ---------------- `five` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `six` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:100:25
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let mut six: &str = "";
[INFO] [stdout]     |                         ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 172 |     six = &ref_six;
[INFO] [stdout]     |     -------------- `six` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nine` is never read
[INFO] [stdout]    --> src/solutions/day8.rs:103:26
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut nine: &str = "";
[INFO] [stdout]     |                          ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 175 |     nine = &ref_nine;
[INFO] [stdout]     |     ---------------- `nine` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day9.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut start_position: usize = indexes[idx];
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/solutions/day9.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let result: u32 = indexes.iter().map(|x| data[*x]+1).sum::<u32>();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/solutions/day9.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let idx: usize = 3;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/solutions/day9.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 |     for (key, value) in &basins {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nb_row`
[INFO] [stdout]   --> src/solutions/day11.rs:15:87
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn increment_data_at_position(data: &mut Vec<u32>, x: usize, y: usize, nb_col: usize, nb_row: usize) -> () {
[INFO] [stdout]    |                                                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nb_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/solutions/day8.rs:109:40
[INFO] [stdout]     |
[INFO] [stdout] 109 |         if code.len() == 2 { one = code.clone(); /* println!("one : {:?}", one); */ }
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/solutions/day8.rs:110:41
[INFO] [stdout]     |
[INFO] [stdout] 110 |         if code.len() == 4 { four = code.clone(); /* println!("four : {:?}", four); */ }
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/solutions/day8.rs:111:42
[INFO] [stdout]     |
[INFO] [stdout] 111 |         if code.len() == 3 { seven = code.clone(); /* println!("seven : {:?}", seven); */ }
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/solutions/day8.rs:112:42
[INFO] [stdout]     |
[INFO] [stdout] 112 |         if code.len() == 7 { eight = code.clone(); /* println!("eight : {:?}", eight); */ }
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.83s
[INFO] running `Command { std: "docker" "inspect" "8e0ea04cc91886d027c6fd451d17e4bef4b64ecda60fa988bc3a91b8a7099b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0ea04cc91886d027c6fd451d17e4bef4b64ecda60fa988bc3a91b8a7099b7c", kill_on_drop: false }`
[INFO] [stdout] 8e0ea04cc91886d027c6fd451d17e4bef4b64ecda60fa988bc3a91b8a7099b7c
