[INFO] cloning repository https://github.com/bryanburgers/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bryanburgers/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d5c048065959190c1da5110ddbd46f3e1799e64
[INFO] checking bryanburgers/advent-of-code-2020/3d5c048065959190c1da5110ddbd46f3e1799e64 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Fadvent-of-code-2020" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bryanburgers/advent-of-code-2020 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bryanburgers/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/bryanburgers/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/bryanburgers/advent-of-code-2020 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bryanburgers/advent-of-code-2020 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95e4834deba8d7e597c777d06a7085015d20a23473fa660b1c29f5befe564de4
[INFO] running `Command { std: "docker" "start" "-a" "95e4834deba8d7e597c777d06a7085015d20a23473fa660b1c29f5befe564de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95e4834deba8d7e597c777d06a7085015d20a23473fa660b1c29f5befe564de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e4834deba8d7e597c777d06a7085015d20a23473fa660b1c29f5befe564de4", kill_on_drop: false }`
[INFO] [stdout] 95e4834deba8d7e597c777d06a7085015d20a23473fa660b1c29f5befe564de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b07b5a4885a2c3876f1821a12e57ad140aea7e6cbe706a9e438247ac8d38024
[INFO] running `Command { std: "docker" "start" "-a" "2b07b5a4885a2c3876f1821a12e57ad140aea7e6cbe706a9e438247ac8d38024", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]     Checking day-11 v0.1.0 (/opt/rustwide/workdir/day-11)
[INFO] [stderr]     Checking day-12 v0.1.0 (/opt/rustwide/workdir/day-12)
[INFO] [stderr]     Checking day-24 v0.1.0 (/opt/rustwide/workdir/day-24)
[INFO] [stderr]     Checking day-21 v0.1.0 (/opt/rustwide/workdir/day-21)
[INFO] [stderr]     Checking day-09 v0.1.0 (/opt/rustwide/workdir/day-09)
[INFO] [stderr]     Checking day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]     Checking day-25 v0.1.0 (/opt/rustwide/workdir/day-25)
[INFO] [stderr]     Checking day-20 v0.1.0 (/opt/rustwide/workdir/day-20)
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking day-23 v0.1.0 (/opt/rustwide/workdir/day-23)
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> day-07/src/main.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 |         all_seen.insert(input.outer.clone());
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> day-07/src/main.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |             all_seen.insert(item.color.clone());
[INFO] [stdout]    |                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> day-07/src/main.rs:22:33
[INFO] [stdout]    |
[INFO] [stdout] 22 |             seen.push(item.color.clone());
[INFO] [stdout]    |                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> day-07/src/main.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 |         contains.insert(input.outer.clone(), seen);
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> day-07/src/main.rs:39:36
[INFO] [stdout]    |
[INFO] [stdout] 39 |         contains.insert(input.outer.clone(), input.inner.clone());
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day-19 v0.1.0 (/opt/rustwide/workdir/day-19)
[INFO] [stdout] warning: unused variable: `allergen`
[INFO] [stdout]   --> day-21/src/main.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         .map(|(allergen, ingredient)| ingredient.0.to_string())
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allergen`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto as _`
[INFO] [stdout]  --> day-23/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto as _;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking day-14 v0.1.0 (/opt/rustwide/workdir/day-14)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day-15 v0.1.0 (/opt/rustwide/workdir/day-15)
[INFO] [stderr]     Checking day-17 v0.1.0 (/opt/rustwide/workdir/day-17)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-23/src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for i in 0..100 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-23/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     for i in 0..10_000_000 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day-23/src/main.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let mut destination_ptr = unsafe { self.pointer_for_value(destination.unwrap()) };
[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]    --> day-23/src/main.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let mut after = unsafe { after_ptr.as_mut().unwrap() };
[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]    --> day-23/src/main.rs:270:13
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let mut before = unsafe { before_ptr.as_mut().unwrap() };
[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]    --> day-23/src/main.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |         let mut slice_head = unsafe { slice_head_ptr.as_mut().unwrap() };
[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]    --> day-23/src/main.rs:272:13
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let mut slice_tail = unsafe { slice_tail_ptr.as_mut().unwrap() };
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_one` is never used
[INFO] [stdout]   --> day-23/src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Value {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn is_one(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `output` is never used
[INFO] [stdout]    --> day-23/src/main.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 96  | impl Game {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 189 |     pub fn output(&self, round: usize) -> String {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day-13 v0.1.0 (/opt/rustwide/workdir/day-13)
[INFO] [stdout] warning: methods `row` and `column` are never used
[INFO] [stdout]   --> day-05/src/main.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Seat {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 30 |     fn row(&self) -> u32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn column(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day-16 v0.1.0 (/opt/rustwide/workdir/day-16)
[INFO] [stderr]     Checking day-18 v0.1.0 (/opt/rustwide/workdir/day-18)
[INFO] [stderr]     Checking day-22 v0.1.0 (/opt/rustwide/workdir/day-22)
[INFO] [stdout] warning: unused import: `std::convert::TryInto as _`
[INFO] [stdout]  --> day-23/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto as _;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-23/src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for i in 0..100 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allergen`
[INFO] [stdout]   --> day-21/src/main.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         .map(|(allergen, ingredient)| ingredient.0.to_string())
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allergen`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-23/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     for i in 0..10_000_000 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day-23/src/main.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let mut destination_ptr = unsafe { self.pointer_for_value(destination.unwrap()) };
[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]    --> day-23/src/main.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let mut after = unsafe { after_ptr.as_mut().unwrap() };
[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]    --> day-23/src/main.rs:270:13
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let mut before = unsafe { before_ptr.as_mut().unwrap() };
[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]    --> day-23/src/main.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |         let mut slice_head = unsafe { slice_head_ptr.as_mut().unwrap() };
[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]    --> day-23/src/main.rs:272:13
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let mut slice_tail = unsafe { slice_tail_ptr.as_mut().unwrap() };
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_one` is never used
[INFO] [stdout]   --> day-23/src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Value {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn is_one(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `output` is never used
[INFO] [stdout]    --> day-23/src/main.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 96  | impl Game {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 189 |     pub fn output(&self, round: usize) -> String {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> day-07/src/main.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 |         all_seen.insert(input.outer.clone());
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> day-07/src/main.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |             all_seen.insert(item.color.clone());
[INFO] [stdout]    |                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> day-07/src/main.rs:22:33
[INFO] [stdout]    |
[INFO] [stdout] 22 |             seen.push(item.color.clone());
[INFO] [stdout]    |                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> day-07/src/main.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 |         contains.insert(input.outer.clone(), seen);
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> day-07/src/main.rs:39:36
[INFO] [stdout]    |
[INFO] [stdout] 39 |         contains.insert(input.outer.clone(), input.inner.clone());
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking day-08 v0.1.0 (/opt/rustwide/workdir/day-08)
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "2b07b5a4885a2c3876f1821a12e57ad140aea7e6cbe706a9e438247ac8d38024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b07b5a4885a2c3876f1821a12e57ad140aea7e6cbe706a9e438247ac8d38024", kill_on_drop: false }`
[INFO] [stdout] 2b07b5a4885a2c3876f1821a12e57ad140aea7e6cbe706a9e438247ac8d38024
