[INFO] cloning repository https://github.com/bryanburgers/advent-of-code-2018
[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-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4727687235a314690ff1c74c365c2b2b51e90630
[INFO] checking bryanburgers/advent-of-code-2018 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Fadvent-of-code-2018" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bryanburgers/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/bryanburgers/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/bryanburgers/advent-of-code-2018 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bryanburgers/advent-of-code-2018 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bryanburgers/advent-of-code-2018 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/day-04/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/day-01/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/day-02/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/day-03/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/day-05/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.44
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20c8bab0e18dea67d70e50825f8255459296e4a9187753774682956b5d85c4ba
[INFO] running `Command { std: "docker" "start" "-a" "20c8bab0e18dea67d70e50825f8255459296e4a9187753774682956b5d85c4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20c8bab0e18dea67d70e50825f8255459296e4a9187753774682956b5d85c4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c8bab0e18dea67d70e50825f8255459296e4a9187753774682956b5d85c4ba", kill_on_drop: false }`
[INFO] [stdout] 20c8bab0e18dea67d70e50825f8255459296e4a9187753774682956b5d85c4ba
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83b5432a038adf19cdfaf45d6b85277a271a6577941a1ed53d18558150a86095
[INFO] running `Command { std: "docker" "start" "-a" "83b5432a038adf19cdfaf45d6b85277a271a6577941a1ed53d18558150a86095", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/day-01/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/day-05/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/day-04/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/day-02/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/day-03/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]     Checking day-08 v0.1.0 (/opt/rustwide/workdir/day-08)
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-06/src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut input : Vec<Coordinate> = buffer.split("\n")
[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: `key`
[INFO] [stdout]   --> day-06/src/main.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |     items.sort_by_key(|(key, val)| 0 - *val);
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> day-06/src/main.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .filter(|(key, val)| !infinite.contains(key))
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_edge`
[INFO] [stdout]   --> day-06/src/main.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let is_edge = is_edge || x == min || x == max;
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_edge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `min` should have an upper case name
[INFO] [stdout]  --> day-06/src/main.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const min: i32 = -300;
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 4 - const min: i32 = -300;
[INFO] [stdout] 4 + const MIN: i32 = -300;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max` should have an upper case name
[INFO] [stdout]  --> day-06/src/main.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const max: i32 = 600;
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 5 - const max: i32 = 600;
[INFO] [stdout] 5 + const MAX: i32 = 600;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `safe_distance` should have an upper case name
[INFO] [stdout]  --> day-06/src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const safe_distance: i32 = 10000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 6 - const safe_distance: i32 = 10000;
[INFO] [stdout] 6 + const SAFE_DISTANCE: i32 = 10000;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> day-03/src/square.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn points(&self) -> SquareIterator {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn points(&self) -> SquareIterator<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_state` is never used
[INFO] [stdout]   --> day-05/src/main.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn print_state(stack: &VecDeque<u8>, current: u8, read: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-06/src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut input : Vec<Coordinate> = buffer.split("\n")
[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: `key`
[INFO] [stdout]   --> day-06/src/main.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |     items.sort_by_key(|(key, val)| 0 - *val);
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> day-06/src/main.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .filter(|(key, val)| !infinite.contains(key))
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_edge`
[INFO] [stdout]   --> day-06/src/main.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let is_edge = is_edge || x == min || x == max;
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_edge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `min` should have an upper case name
[INFO] [stdout]  --> day-06/src/main.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const min: i32 = -300;
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 4 - const min: i32 = -300;
[INFO] [stdout] 4 + const MIN: i32 = -300;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max` should have an upper case name
[INFO] [stdout]  --> day-06/src/main.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const max: i32 = 600;
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 5 - const max: i32 = 600;
[INFO] [stdout] 5 + const MAX: i32 = 600;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `safe_distance` should have an upper case name
[INFO] [stdout]  --> day-06/src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const safe_distance: i32 = 10000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 6 - const safe_distance: i32 = 10000;
[INFO] [stdout] 6 + const SAFE_DISTANCE: i32 = 10000;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> day-03/src/square.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Square {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(left: usize, top: usize, width: usize, height: usize) -> Square {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> day-03/src/square.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn points(&self) -> SquareIterator {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn points(&self) -> SquareIterator<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_state` is never used
[INFO] [stdout]   --> day-05/src/main.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn print_state(stack: &VecDeque<u8>, current: u8, read: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Checking day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> day-07/src/main.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct Step<'a> {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 104 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Step` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> day-07/src/main.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct Step<'a> {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 104 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Step` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-04/src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut guard_info = guards.entry(range.guard).or_insert(GuardInfo::new());
[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: field `date` is never read
[INFO] [stdout]  --> day-04/src/sleep_range.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct SleepRange {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 5 |     pub guard: usize,
[INFO] [stdout] 6 |     pub date: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SleepRange` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-04/src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut guard_info = guards.entry(range.guard).or_insert(GuardInfo::new());
[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: field `date` is never read
[INFO] [stdout]  --> day-04/src/sleep_range.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct SleepRange {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 5 |     pub guard: usize,
[INFO] [stdout] 6 |     pub date: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SleepRange` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "83b5432a038adf19cdfaf45d6b85277a271a6577941a1ed53d18558150a86095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b5432a038adf19cdfaf45d6b85277a271a6577941a1ed53d18558150a86095", kill_on_drop: false }`
[INFO] [stdout] 83b5432a038adf19cdfaf45d6b85277a271a6577941a1ed53d18558150a86095
