[INFO] cloning repository https://github.com/grapeape38/Advent-of-Code-2019-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grapeape38/Advent-of-Code-2019-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrapeape38%2FAdvent-of-Code-2019-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrapeape38%2FAdvent-of-Code-2019-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 701ef07da8dd6499be1dc8f95d355f8d141b36ad
[INFO] checking grapeape38/Advent-of-Code-2019-Rust against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrapeape38%2FAdvent-of-Code-2019-Rust" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grapeape38/Advent-of-Code-2019-Rust on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grapeape38/Advent-of-Code-2019-Rust
[INFO] finished tweaking git repo https://github.com/grapeape38/Advent-of-Code-2019-Rust
[INFO] tweaked toml for git repo https://github.com/grapeape38/Advent-of-Code-2019-Rust written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/grapeape38/Advent-of-Code-2019-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6263af64fbd48af09c877256ff2ff4420f6f5dee6fa4a67fffac20628e3c51fb
[INFO] running `Command { std: "docker" "start" "-a" "6263af64fbd48af09c877256ff2ff4420f6f5dee6fa4a67fffac20628e3c51fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6263af64fbd48af09c877256ff2ff4420f6f5dee6fa4a67fffac20628e3c51fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6263af64fbd48af09c877256ff2ff4420f6f5dee6fa4a67fffac20628e3c51fb", kill_on_drop: false }`
[INFO] [stdout] 6263af64fbd48af09c877256ff2ff4420f6f5dee6fa4a67fffac20628e3c51fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77b08f0079eb914e2d597cb7d2dee4f3a3fb3c7cfa6e67e5488bcb27a441cb1
[INFO] running `Command { std: "docker" "start" "-a" "e77b08f0079eb914e2d597cb7d2dee4f3a3fb3c7cfa6e67e5488bcb27a441cb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking AdventOfCode2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day1.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/days/day1.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn day1(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]   |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day2.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day3.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day4.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day4.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn day4(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day6.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day6.rs:54:40
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn day6(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day8.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part1(img: &Vec<u8>) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day8.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn day8(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day9.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day10.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day10.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn day10(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                         ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day11.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/days/day11.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |    };
[INFO] [stdout]     |     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/mod.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type DayFn = fn(&mut File) -> Result<(i32), Box<dyn Error>>;
[INFO] [stdout]    |                                          ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day1.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/days/day1.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn day1(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]   |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day2.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day3.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day4.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day4.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn day4(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day6.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day6.rs:54:40
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn day6(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day8.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part1(img: &Vec<u8>) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day8.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn day8(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day9.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day10.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day10.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn day10(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                         ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/days/day11.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/days/day11.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |    };
[INFO] [stdout]     |     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/mod.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type DayFn = fn(&mut File) -> Result<(i32), Box<dyn Error>>;
[INFO] [stdout]    |                                          ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_increasing_p1`
[INFO] [stdout]  --> src/days/day4.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn gen_increasing_p1(digit: usize, n_digit: usize, prev_same: (bool, bool), double: bool, min_max_digits: (&[usize], &[usize]), count: &m...
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_increasing_p1`
[INFO] [stdout]  --> src/days/day4.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn gen_increasing_p1(digit: usize, n_digit: usize, prev_same: (bool, bool), double: bool, min_max_digits: (&[usize], &[usize]), count: &m...
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `AdventOfCode2019` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `advent_of_code2019`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `day_fns` should have an upper case name
[INFO] [stdout]   --> src/days/mod.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const day_fns: &[DayFn] = &[day1::day1, day2::day2, day3::day3, day4::day4, day5::day5, day6::day6, day7::day7, day8::day8, day9::day...
[INFO] [stdout]    |           ^^^^^^^ help: convert the identifier to upper case: `DAY_FNS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `AdventOfCode2019` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `advent_of_code2019`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `day_fns` should have an upper case name
[INFO] [stdout]   --> src/days/mod.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const day_fns: &[DayFn] = &[day1::day1, day2::day2, day3::day3, day4::day4, day5::day5, day6::day6, day7::day7, day8::day8, day9::day...
[INFO] [stdout]    |           ^^^^^^^ help: convert the identifier to upper case: `DAY_FNS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.56s
[INFO] running `Command { std: "docker" "inspect" "e77b08f0079eb914e2d597cb7d2dee4f3a3fb3c7cfa6e67e5488bcb27a441cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77b08f0079eb914e2d597cb7d2dee4f3a3fb3c7cfa6e67e5488bcb27a441cb1", kill_on_drop: false }`
[INFO] [stdout] e77b08f0079eb914e2d597cb7d2dee4f3a3fb3c7cfa6e67e5488bcb27a441cb1