[INFO] cloning repository https://github.com/simonstix/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonstix/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonstix%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonstix%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e12f2cf4a48937ab1096847ad25db78f3ec42a77
[INFO] checking simonstix/advent-of-code against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonstix%2Fadvent-of-code" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/simonstix/advent-of-code
[INFO] finished tweaking git repo https://github.com/simonstix/advent-of-code
[INFO] tweaked toml for git repo https://github.com/simonstix/advent-of-code written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/simonstix/advent-of-code on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/simonstix/advent-of-code 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pathfinding v4.0.0
[INFO] [stderr]   Downloaded wide v0.7.5
[INFO] [stderr]   Downloaded nalgebra v0.31.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08124ce52262d7b7294f8918ea78d094d1535cb9d51e3d2a31671bc0d7d00b5b
[INFO] running `Command { std: "docker" "start" "-a" "08124ce52262d7b7294f8918ea78d094d1535cb9d51e3d2a31671bc0d7d00b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08124ce52262d7b7294f8918ea78d094d1535cb9d51e3d2a31671bc0d7d00b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08124ce52262d7b7294f8918ea78d094d1535cb9d51e3d2a31671bc0d7d00b5b", kill_on_drop: false }`
[INFO] [stdout] 08124ce52262d7b7294f8918ea78d094d1535cb9d51e3d2a31671bc0d7d00b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcad36b01feac55e9ad86e5b41f2b7b49961116ff7288f4240a2d918475e479d
[INFO] running `Command { std: "docker" "start" "-a" "bcad36b01feac55e9ad86e5b41f2b7b49961116ff7288f4240a2d918475e479d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking wide v0.7.5
[INFO] [stderr]     Checking simba v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking pathfinding v4.0.0
[INFO] [stderr]     Checking nalgebra v0.31.4
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/day21.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use super::*;
[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 variable: `blueprints`
[INFO] [stdout]    --> src/day19.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     let blueprints = parse_blueprints(&content);
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blueprints`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day20.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn jump_in_direction(list: &mut Vec<i32>, mut from: usize, dir: i32) {
[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/day20.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut from = from as i32;
[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/day20.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut to = (from + dir).rem_euclid(list.len() as i32);
[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/day20.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut to = (from as i32 + dir.signum()).rem_euclid(list.len() as i32) as usize;
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/day21.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn day21(content: String) {
[INFO] [stdout]   |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Storage` is never constructed
[INFO] [stdout]   --> src/day19.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct Storage {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_resource`, `resource`, and `remove_resource` are never used
[INFO] [stdout]    --> src/day19.rs:87:8
[INFO] [stdout]     |
[INFO] [stdout]  86 | impl Storage {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout]  87 |     fn add_resource(&mut self, resource: &Resource, amount: u64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     fn resource(&self, resource: &Resource) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn remove_resource(&mut self, resource: &Resource, amount: u64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Simulator` is never constructed
[INFO] [stdout]    --> src/day19.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | struct Simulator<'a> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `successors`, `next_with_built_robot`, `next`, `score`, and `best_possible_score` are never used
[INFO] [stdout]    --> src/day19.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl<'a> Simulator<'a> {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 151 |     fn new(blueprint: &'a Blueprint) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn successors(&self) -> impl Iterator<Item = Simulator<'a>> + '_ {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     fn next_with_built_robot(&self, robot: &Robot) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn next(&self) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     fn score(&self) -> u64 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     fn best_possible_score(&self, max_time: usize) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `score_blueprints` is never used
[INFO] [stdout]    --> src/day19.rs:216:4
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn score_blueprints(blueprints: &[Blueprint], max_time: usize, with_quality: bool) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `jump_in_direction` is never used
[INFO] [stdout]   --> src/day20.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn jump_in_direction(list: &mut Vec<i32>, mut from: usize, dir: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `day21` is never used
[INFO] [stdout]  --> src/day21.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn day21(content: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day14.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn iter(&self) -> PathIter {
[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] 120 |     fn iter(&self) -> PathIter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day8.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn rows(&self) -> LinesIter {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn rows(&self) -> LinesIter<'_> {
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day8.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn columns(&self) -> LinesIter {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn columns(&self) -> LinesIter<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day8.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn view_dir(&self, pos: (usize, usize), dir: LookDir) -> LineIter {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn view_dir(&self, pos: (usize, usize), dir: LookDir) -> LineIter<'_> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blueprints`
[INFO] [stdout]    --> src/day19.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     let blueprints = parse_blueprints(&content);
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blueprints`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day20.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn jump_in_direction(list: &mut Vec<i32>, mut from: usize, dir: i32) {
[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/day20.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut from = from as i32;
[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/day20.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut to = (from + dir).rem_euclid(list.len() as i32);
[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/day20.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut to = (from as i32 + dir.signum()).rem_euclid(list.len() as i32) as usize;
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/day21.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn day21(content: String) {
[INFO] [stdout]   |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `jump_in_direction` is never used
[INFO] [stdout]   --> src/day20.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn jump_in_direction(list: &mut Vec<i32>, mut from: usize, dir: i32) {
[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 `day21` is never used
[INFO] [stdout]  --> src/day21.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn day21(content: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXAMPLE` is never used
[INFO] [stdout]   --> src/day21.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |     const EXAMPLE: &'static str = r#""#;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day14.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn iter(&self) -> PathIter {
[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] 120 |     fn iter(&self) -> PathIter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day8.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn rows(&self) -> LinesIter {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn rows(&self) -> LinesIter<'_> {
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day8.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn columns(&self) -> LinesIter {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn columns(&self) -> LinesIter<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day8.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn view_dir(&self, pos: (usize, usize), dir: LookDir) -> LineIter {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn view_dir(&self, pos: (usize, usize), dir: LookDir) -> LineIter<'_> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.34s
[INFO] running `Command { std: "docker" "inspect" "bcad36b01feac55e9ad86e5b41f2b7b49961116ff7288f4240a2d918475e479d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcad36b01feac55e9ad86e5b41f2b7b49961116ff7288f4240a2d918475e479d", kill_on_drop: false }`
[INFO] [stdout] bcad36b01feac55e9ad86e5b41f2b7b49961116ff7288f4240a2d918475e479d
