[INFO] cloning repository https://github.com/shaurya0/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/shaurya0/advent_of_code_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshaurya0%2Fadvent_of_code_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshaurya0%2Fadvent_of_code_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2cd7482a197f2a37faa3166543bfdf70e7cfd72
[INFO] checking shaurya0/advent_of_code_2018 against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshaurya0%2Fadvent_of_code_2018" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] /workspace/builds/worker-7-tc2/source/.git/objects/pack: No space left on device
[INFO] checking shaurya0/advent_of_code_2018 against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshaurya0%2Fadvent_of_code_2018" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-7-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.fetch' to '+refs/heads/*:refs/remotes/origin/*'
[INFO] checking shaurya0/advent_of_code_2018 against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshaurya0%2Fadvent_of_code_2018" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shaurya0/advent_of_code_2018 on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shaurya0/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/shaurya0/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/shaurya0/advent_of_code_2018 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shaurya0/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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d776ee18cfcdaf8d9a7cb597a25087371a24e852d5db9461efd032142ea418f6
[INFO] running `Command { std: "docker" "start" "-a" "d776ee18cfcdaf8d9a7cb597a25087371a24e852d5db9461efd032142ea418f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d776ee18cfcdaf8d9a7cb597a25087371a24e852d5db9461efd032142ea418f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d776ee18cfcdaf8d9a7cb597a25087371a24e852d5db9461efd032142ea418f6", kill_on_drop: false }`
[INFO] [stdout] d776ee18cfcdaf8d9a7cb597a25087371a24e852d5db9461efd032142ea418f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068e21b273717988cd96e6450fdd39bd0d920d8c66f848c7c69437338f618318
[INFO] running `Command { std: "docker" "start" "-a" "068e21b273717988cd96e6450fdd39bd0d920d8c66f848c7c69437338f618318", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day7/day7.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/day11/day11.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead` and `BufReader`
[INFO] [stdout]  --> src/day11/day11.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufReader,BufRead};
[INFO] [stdout]   |               ^^^^^^^^^ ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/day11/day11.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/day11/day11.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/day11/day11.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/day11/day11.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day7/day7.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut n = graph.add_node(src);
[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]   --> src/day7/day7.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut incoming = graph.neighbors_directed(*o, Direction::Incoming);
[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/day7/day7.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut outgoing = graph.neighbors_directed(root, Direction::Outgoing);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead` and `BufReader`
[INFO] [stdout]  --> src/day11/day11.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufReader,BufRead};
[INFO] [stdout]   |               ^^^^^^^^^ ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/day11/day11.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/day11/day11.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/day11/day11.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_grid_val` is never used
[INFO] [stdout]   --> src/day11/day11.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_grid_val(grid: &[[i32; NSS]; NSS], x: usize, y: usize) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_grid_val` is never used
[INFO] [stdout]   --> src/day11/day11.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_grid_val(grid: &[[i32; NSS]; NSS], x: usize, y: usize) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day1/day1.rs:20:56
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day2/day2.rs:79:56
[INFO] [stdout]    |
[INFO] [stdout] 79 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day2/day2.rs:79:56
[INFO] [stdout]    |
[INFO] [stdout] 79 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/day3/day3.rs:149:56
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...                   why.description()),
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/day3/day3.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 Some(count) => unclaimed = true,
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/day3/day3.rs:129:23
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 Some(&count) => print!("#"),
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/day3/day3.rs:149:56
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...                   why.description()),
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/day3/day3.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Count {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 27 |     count: u32,
[INFO] [stdout] 28 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Count` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_grid` is never used
[INFO] [stdout]    --> src/day3/day3.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn draw_grid(grid_description: &HashMap<Point, i32>, nx: u32, ny: u32){
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/day3/day3.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 Some(count) => unclaimed = true,
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/day3/day3.rs:129:23
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 Some(&count) => print!("#"),
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/day3/day3.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Count {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 27 |     count: u32,
[INFO] [stdout] 28 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Count` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_grid` is never used
[INFO] [stdout]    --> src/day3/day3.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn draw_grid(grid_description: &HashMap<Point, i32>, nx: u32, ny: u32){
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/day16/day16.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/day16/day16.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/day16/day16.rs:96:32
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 self.regs[c] = (a as i32);
[INFO] [stdout]    |                                ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -                 self.regs[c] = (a as i32);
[INFO] [stdout] 96 +                 self.regs[c] = a as i32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `NaiveDate`
[INFO] [stdout]  --> src/day4/day4.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | use chrono::{NaiveDateTime, NaiveDate, NaiveTime, Duration, Timelike};
[INFO] [stdout]   |                             ^^^^^^^^^             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `NaiveDate`
[INFO] [stdout]  --> src/day4/day4.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | use chrono::{NaiveDateTime, NaiveDate, NaiveTime, Duration, Timelike};
[INFO] [stdout]   |                             ^^^^^^^^^             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day10/day10.rs:63:56
[INFO] [stdout]    |
[INFO] [stdout] 63 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NX` is never used
[INFO] [stdout]   --> src/day10/day10.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const NX: usize = 30;
[INFO] [stdout]    |       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NY` is never used
[INFO] [stdout]   --> src/day10/day10.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const NY: usize = 20;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `X_OFFSET` is never used
[INFO] [stdout]   --> src/day10/day10.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const X_OFFSET: i32 = 10;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Y_OFFSET` is never used
[INFO] [stdout]   --> src/day10/day10.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const Y_OFFSET: i32 = 6;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dx` and `dy` are never read
[INFO] [stdout]   --> src/day10/day10.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Light {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     dx: i32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     dy: i32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Light` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]   --> src/day10/day10.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn print_grid(grid: &[[char; NX]; NY])  {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `upate_grid` is never used
[INFO] [stdout]   --> src/day10/day10.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn upate_grid(grid: &mut [[char; NX]; NY], lights: &mut Vec<Light>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day4/day4.rs:37:74
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(why) => panic!("couldn't parse timestamp_date {}  ", why.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day7/day7.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day4/day4.rs:42:69
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(why) => panic!("couldn't parse timestamp {}  ", why.description()),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day1/day1.rs:20:56
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day4/day4.rs:87:56
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day4/day4.rs:37:74
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(why) => panic!("couldn't parse timestamp_date {}  ", why.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day4/day4.rs:42:69
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(why) => panic!("couldn't parse timestamp {}  ", why.description()),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day4/day4.rs:87:56
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/day16/day16.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/day16/day16.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/day16/day16.rs:96:32
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 self.regs[c] = (a as i32);
[INFO] [stdout]    |                                ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -                 self.regs[c] = (a as i32);
[INFO] [stdout] 96 +                 self.regs[c] = a as i32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guard_sleep_time`
[INFO] [stdout]   --> src/day4/day4.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_guard_sleep_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/day4/day4.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |             let timestamp = message.timestamp;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day4/day4.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
[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: struct `TimestampedMessage` is never constructed
[INFO] [stdout]   --> src/day4/day4.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct TimestampedMessage {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/day16/day16.rs:150:56
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   why.description()),
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day7/day7.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut n = graph.add_node(src);
[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]   --> src/day7/day7.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut incoming = graph.neighbors_directed(*o, Direction::Incoming);
[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/day7/day7.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut outgoing = graph.neighbors_directed(root, Direction::Outgoing);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guard_sleep_time`
[INFO] [stdout]   --> src/day4/day4.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_guard_sleep_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/day4/day4.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |             let timestamp = message.timestamp;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_iter`
[INFO] [stdout]    --> src/day16/day16.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let line_iter = lines.iter();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/day16/day16.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let mut count = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day4/day4.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
[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: struct `TimestampedMessage` is never constructed
[INFO] [stdout]   --> src/day4/day4.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct TimestampedMessage {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day16/day16.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |             let mut reg0: i32 = cap[1].trim().parse().expect("expected i32");
[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]    --> src/day16/day16.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let mut reg1: i32 = cap[2].trim().parse().expect("expected i32");
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/day10/day10.rs:63:56
[INFO] [stdout]    |
[INFO] [stdout] 63 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/day16/day16.rs:150:56
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   why.description()),
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day16/day16.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |             let mut reg2: i32 = cap[3].trim().parse().expect("expected 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/day16/day16.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let mut reg3: i32 = cap[4].trim().parse().expect("expected i32");
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_iter`
[INFO] [stdout]    --> src/day16/day16.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let line_iter = lines.iter();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/day16/day16.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let mut count = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NX` is never used
[INFO] [stdout]   --> src/day10/day10.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const NX: usize = 30;
[INFO] [stdout]    |       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NY` is never used
[INFO] [stdout]   --> src/day10/day10.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const NY: usize = 20;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `X_OFFSET` is never used
[INFO] [stdout]   --> src/day10/day10.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const X_OFFSET: i32 = 10;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Y_OFFSET` is never used
[INFO] [stdout]   --> src/day10/day10.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const Y_OFFSET: i32 = 6;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dx` and `dy` are never read
[INFO] [stdout]   --> src/day10/day10.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Light {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     dx: i32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     dy: i32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Light` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]   --> src/day10/day10.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn print_grid(grid: &[[char; NX]; NY])  {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `upate_grid` is never used
[INFO] [stdout]   --> src/day10/day10.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn upate_grid(grid: &mut [[char; NX]; NY], lights: &mut Vec<Light>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day16/day16.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |             let mut reg0: i32 = cap[1].trim().parse().expect("expected i32");
[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]    --> src/day16/day16.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let mut reg1: i32 = cap[2].trim().parse().expect("expected 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/day16/day16.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |             let mut reg2: i32 = cap[3].trim().parse().expect("expected 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/day16/day16.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let mut reg3: i32 = cap[4].trim().parse().expect("expected i32");
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "068e21b273717988cd96e6450fdd39bd0d920d8c66f848c7c69437338f618318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068e21b273717988cd96e6450fdd39bd0d920d8c66f848c7c69437338f618318", kill_on_drop: false }`
[INFO] [stdout] 068e21b273717988cd96e6450fdd39bd0d920d8c66f848c7c69437338f618318