[INFO] cloning repository https://github.com/angusjf/advent_2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angusjf/advent_2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangusjf%2Fadvent_2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangusjf%2Fadvent_2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f104e1c192011309c8652d734e9d6c1f52b1f6dd
[INFO] checking angusjf/advent_2022 against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangusjf%2Fadvent_2022" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/angusjf/advent_2022
[INFO] finished tweaking git repo https://github.com/angusjf/advent_2022
[INFO] tweaked toml for git repo https://github.com/angusjf/advent_2022 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/angusjf/advent_2022 on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/angusjf/advent_2022 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c748f886de7dbc6b4eab5f43ef3769e10ef1bda40e840fd688dc8f864f73a328
[INFO] running `Command { std: "docker" "start" "-a" "c748f886de7dbc6b4eab5f43ef3769e10ef1bda40e840fd688dc8f864f73a328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c748f886de7dbc6b4eab5f43ef3769e10ef1bda40e840fd688dc8f864f73a328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c748f886de7dbc6b4eab5f43ef3769e10ef1bda40e840fd688dc8f864f73a328", kill_on_drop: false }`
[INFO] [stdout] c748f886de7dbc6b4eab5f43ef3769e10ef1bda40e840fd688dc8f864f73a328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c23bd93e3e3d85e06e8c6858b046138987a704565a272d8f9d880d5f0a9d772
[INFO] running `Command { std: "docker" "start" "-a" "9c23bd93e3e3d85e06e8c6858b046138987a704565a272d8f9d880d5f0a9d772", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking advent_2022 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day10.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         .map(|(i, x)| x)
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/bin/day17.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     'outer: for tet in tetronimos.iter().cycle().take(MAX as usize) {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt`
[INFO] [stdout]  --> src/bin/day14.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{fmt, time};
[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: `cmp::Ordering`
[INFO] [stdout]  --> src/bin/day14.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{cmp::Ordering, collections::HashSet, thread};
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools`
[INFO] [stdout]  --> src/bin/day12.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/day07.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Dir(String),
[INFO] [stdout]   |     --- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cmd` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 -     Dir(String),
[INFO] [stdout] 7 +     Dir(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day07.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn create_tree(cmds: &Vec<Cmd>) -> Vec<Node> {
[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] 40 | fn create_tree(cmds: &Vec<Cmd>) -> Vec<Node<'_>> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/bin/day12.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |         .map(|(v, dist)| dist)
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/day14.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn two(input: &str) -> usize {
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/bin/day12.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn fewest_steps_to_end(map: &Vec<Vec<char>>, start: (usize, usize), goal: (usize, usize)) {
[INFO] [stdout]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two` is never used
[INFO] [stdout]    --> src/bin/day14.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn two(input: &str) -> usize {
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/bin/day12.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let c = map[y][x];
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/day12.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn two(input: &str) -> u64 {
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_map` is never used
[INFO] [stdout]   --> src/bin/day12.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn print_map(map: &Vec<Vec<char>>, dist: &HashMap<(usize, usize), 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: unused import: `fmt`
[INFO] [stdout]  --> src/bin/day14.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{fmt, time};
[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: `cmp::Ordering`
[INFO] [stdout]  --> src/bin/day14.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{cmp::Ordering, collections::HashSet, thread};
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one` is never used
[INFO] [stdout]   --> src/bin/day15.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn one(input: &str) -> i64 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max` should have an upper case name
[INFO] [stdout]    --> src/bin/day15.rs:160:7
[INFO] [stdout]     |
[INFO] [stdout] 160 | const max: i64 = 4000000;
[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] 160 - const max: i64 = 4000000;
[INFO] [stdout] 160 + const MAX: i64 = 4000000;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/day14.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn two(input: &str) -> usize {
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two` is never used
[INFO] [stdout]    --> src/bin/day14.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn two(input: &str) -> usize {
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max` should have an upper case name
[INFO] [stdout]    --> src/bin/day15.rs:160:7
[INFO] [stdout]     |
[INFO] [stdout] 160 | const max: i64 = 4000000;
[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] 160 - const max: i64 = 4000000;
[INFO] [stdout] 160 + const MAX: i64 = 4000000;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::*`
[INFO] [stdout]  --> src/bin/day16.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::*;
[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 label
[INFO] [stdout]   --> src/bin/day17.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     'outer: for tet in tetronimos.iter().cycle().take(MAX as usize) {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/bin/day16.rs:73:71
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn selections<'a>(options: &'a Vec<&'a str>) -> impl Iterator<Item = (&str, Vec<&str>)> + 'a {
[INFO] [stdout]    |                             --      --                                ^^^^      ^^^^      -- the same lifetime is named here
[INFO] [stdout]    |                             |       |                                 |         |
[INFO] [stdout]    |                             |       |                                 |         the same lifetime is elided here
[INFO] [stdout]    |                             |       the lifetime is named here        the same lifetime is elided here
[INFO] [stdout]    |                             the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn selections<'a>(options: &'a Vec<&'a str>) -> impl Iterator<Item = (&'a str, Vec<&'a str>)> + 'a {
[INFO] [stdout]    |                                                                        ++           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools`
[INFO] [stdout]  --> src/bin/day12.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::*;
[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: `v`
[INFO] [stdout]   --> src/bin/day12.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |         .map(|(v, dist)| dist)
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/bin/day12.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn fewest_steps_to_end(map: &Vec<Vec<char>>, start: (usize, usize), goal: (usize, usize)) {
[INFO] [stdout]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/bin/day12.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let c = map[y][x];
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/day12.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn two(input: &str) -> u64 {
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_map` is never used
[INFO] [stdout]   --> src/bin/day12.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn print_map(map: &Vec<Vec<char>>, dist: &HashMap<(usize, usize), 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 `two` is never used
[INFO] [stdout]    --> src/bin/day12.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn two(input: &str) -> u64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::*`
[INFO] [stdout]  --> src/bin/day16.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::*;
[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: `i`
[INFO] [stdout]   --> src/bin/day10.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         .map(|(i, x)| x)
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/bin/day16.rs:73:71
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn selections<'a>(options: &'a Vec<&'a str>) -> impl Iterator<Item = (&str, Vec<&str>)> + 'a {
[INFO] [stdout]    |                             --      --                                ^^^^      ^^^^      -- the same lifetime is named here
[INFO] [stdout]    |                             |       |                                 |         |
[INFO] [stdout]    |                             |       |                                 |         the same lifetime is elided here
[INFO] [stdout]    |                             |       the lifetime is named here        the same lifetime is elided here
[INFO] [stdout]    |                             the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn selections<'a>(options: &'a Vec<&'a str>) -> impl Iterator<Item = (&'a str, Vec<&'a str>)> + 'a {
[INFO] [stdout]    |                                                                        ++           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/day07.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Dir(String),
[INFO] [stdout]   |     --- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cmd` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 -     Dir(String),
[INFO] [stdout] 7 +     Dir(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day07.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn create_tree(cmds: &Vec<Cmd>) -> Vec<Node> {
[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] 40 | fn create_tree(cmds: &Vec<Cmd>) -> Vec<Node<'_>> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "9c23bd93e3e3d85e06e8c6858b046138987a704565a272d8f9d880d5f0a9d772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c23bd93e3e3d85e06e8c6858b046138987a704565a272d8f9d880d5f0a9d772", kill_on_drop: false }`
[INFO] [stdout] 9c23bd93e3e3d85e06e8c6858b046138987a704565a272d8f9d880d5f0a9d772
