[INFO] cloning repository https://github.com/andyrbell/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andyrbell/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyrbell%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyrbell%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3671cd06ea21839e1970511adcc50361fc8ed945
[INFO] testing andyrbell/advent-of-code-2019 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyrbell%2Fadvent-of-code-2019" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andyrbell/advent-of-code-2019 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andyrbell/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/andyrbell/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/andyrbell/advent-of-code-2019 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/andyrbell/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 635dbc3aa16993508202a6a20ed7732cf36cb752e91e24650c891bd15756cda0
[INFO] running `Command { std: "docker" "start" "-a" "635dbc3aa16993508202a6a20ed7732cf36cb752e91e24650c891bd15756cda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "635dbc3aa16993508202a6a20ed7732cf36cb752e91e24650c891bd15756cda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635dbc3aa16993508202a6a20ed7732cf36cb752e91e24650c891bd15756cda0", kill_on_drop: false }`
[INFO] [stdout] 635dbc3aa16993508202a6a20ed7732cf36cb752e91e24650c891bd15756cda0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3a018d4a424e0f3e59255c281da045371ac284ab61ac325f7d6e88df46672fa
[INFO] running `Command { std: "docker" "start" "-a" "d3a018d4a424e0f3e59255c281da045371ac284ab61ac325f7d6e88df46672fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling advent-of-code-2019-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/day02.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::read_input`
[INFO] [stdout]  --> src/day02.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::read_input;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::split_csv`
[INFO] [stdout]  --> src/day02.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils::split_csv;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]  --> src/utils.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn read_input<F, T>(file: &str, line_mapper: F) -> Vec<T>
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `str_to_int`
[INFO] [stdout]   --> src/utils.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn str_to_int(s: &str) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_csv`
[INFO] [stdout]   --> src/utils.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) fn split_csv(s: &str) -> Vec<i64> {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part1`
[INFO] [stdout]  --> src/day01.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_part1(input: Vec<i64>) -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part2`
[INFO] [stdout]   --> src/day01.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn solve_part2(input: Vec<i64>) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuel`
[INFO] [stdout]   --> src/day01.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn calculate_fuel(acc: i64, mass: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]   --> src/day01.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn read_input() -> Vec<i64> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part1`
[INFO] [stdout]  --> src/day02.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_part1(input: Vec<i64>) -> Vec<i64> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_program`
[INFO] [stdout]  --> src/day02.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn run_program(pointer: i32, mut opcodes: Vec<i64>) -> Vec<i64> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multiply`
[INFO] [stdout]   --> src/day02.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn multiply(pointer: i32, opcodes: &mut Vec<i64>) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/day02.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn add(pointer: i32, opcodes: &mut Vec<i64>) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part2`
[INFO] [stdout]   --> src/day02.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn solve_part2(input: &Vec<i64>, noun: i64, verb: i64) -> Vec<i64> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `never_decreases`
[INFO] [stdout]  --> src/day04.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn never_decreases(password: &Vec<i32>) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `contains_double`
[INFO] [stdout]  --> src/day04.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn contains_double(password: &Vec<i32>) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `contains_exclusive_double`
[INFO] [stdout]   --> src/day04.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn contains_exclusive_double(password: &Vec<i32>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_digits`
[INFO] [stdout]   --> src/day04.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn to_digits(n: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.65s
[INFO] running `Command { std: "docker" "inspect" "d3a018d4a424e0f3e59255c281da045371ac284ab61ac325f7d6e88df46672fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a018d4a424e0f3e59255c281da045371ac284ab61ac325f7d6e88df46672fa", kill_on_drop: false }`
[INFO] [stdout] d3a018d4a424e0f3e59255c281da045371ac284ab61ac325f7d6e88df46672fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cece6713bc94dae04b3100b92dc658d54e7e4fe3e7f792bd0eab30a359220d3c
[INFO] running `Command { std: "docker" "start" "-a" "cece6713bc94dae04b3100b92dc658d54e7e4fe3e7f792bd0eab30a359220d3c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/day02.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::read_input`
[INFO] [stdout]  --> src/day02.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::read_input;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::split_csv`
[INFO] [stdout]  --> src/day02.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils::split_csv;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]  --> src/utils.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn read_input<F, T>(file: &str, line_mapper: F) -> Vec<T>
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `str_to_int`
[INFO] [stdout]   --> src/utils.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn str_to_int(s: &str) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_csv`
[INFO] [stdout]   --> src/utils.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) fn split_csv(s: &str) -> Vec<i64> {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part1`
[INFO] [stdout]  --> src/day01.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_part1(input: Vec<i64>) -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part2`
[INFO] [stdout]   --> src/day01.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn solve_part2(input: Vec<i64>) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuel`
[INFO] [stdout]   --> src/day01.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn calculate_fuel(acc: i64, mass: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]   --> src/day01.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn read_input() -> Vec<i64> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part1`
[INFO] [stdout]  --> src/day02.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_part1(input: Vec<i64>) -> Vec<i64> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_program`
[INFO] [stdout]  --> src/day02.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn run_program(pointer: i32, mut opcodes: Vec<i64>) -> Vec<i64> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advent-of-code-2019-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `multiply`
[INFO] [stdout]   --> src/day02.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn multiply(pointer: i32, opcodes: &mut Vec<i64>) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/day02.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn add(pointer: i32, opcodes: &mut Vec<i64>) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part2`
[INFO] [stdout]   --> src/day02.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn solve_part2(input: &Vec<i64>, noun: i64, verb: i64) -> Vec<i64> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `never_decreases`
[INFO] [stdout]  --> src/day04.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn never_decreases(password: &Vec<i32>) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `contains_double`
[INFO] [stdout]  --> src/day04.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn contains_double(password: &Vec<i32>) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `contains_exclusive_double`
[INFO] [stdout]   --> src/day04.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn contains_exclusive_double(password: &Vec<i32>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_digits`
[INFO] [stdout]   --> src/day04.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn to_digits(n: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/day02.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[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/day02.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut input = lines[0].clone();
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "cece6713bc94dae04b3100b92dc658d54e7e4fe3e7f792bd0eab30a359220d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cece6713bc94dae04b3100b92dc658d54e7e4fe3e7f792bd0eab30a359220d3c", kill_on_drop: false }`
[INFO] [stdout] cece6713bc94dae04b3100b92dc658d54e7e4fe3e7f792bd0eab30a359220d3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3bc7a5c154cba7042ca4fdec7369e2e4a767363bc48994cc5170ddfd1b4aa579
[INFO] running `Command { std: "docker" "start" "-a" "3bc7a5c154cba7042ca4fdec7369e2e4a767363bc48994cc5170ddfd1b4aa579", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/day02.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils::read_input`
[INFO] [stderr]  --> src/day02.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::utils::read_input;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils::split_csv`
[INFO] [stderr]  --> src/day02.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::utils::split_csv;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_input`
[INFO] [stderr]  --> src/utils.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub(crate) fn read_input<F, T>(file: &str, line_mapper: F) -> Vec<T>
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `str_to_int`
[INFO] [stderr]   --> src/utils.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn str_to_int(s: &str) -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_csv`
[INFO] [stderr]   --> src/utils.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub(crate) fn split_csv(s: &str) -> Vec<i64> {
[INFO] [stderr]    |               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_part1`
[INFO] [stderr]  --> src/day01.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn solve_part1(input: Vec<i64>) -> i64 {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_part2`
[INFO] [stderr]   --> src/day01.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn solve_part2(input: Vec<i64>) -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_fuel`
[INFO] [stderr]   --> src/day01.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn calculate_fuel(acc: i64, mass: i64) -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_input`
[INFO] [stderr]   --> src/day01.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn read_input() -> Vec<i64> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_part1`
[INFO] [stderr]  --> src/day02.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn solve_part1(input: Vec<i64>) -> Vec<i64> {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_program`
[INFO] [stderr]  --> src/day02.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn run_program(pointer: i32, mut opcodes: Vec<i64>) -> Vec<i64> {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `multiply`
[INFO] [stderr]   --> src/day02.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn multiply(pointer: i32, opcodes: &mut Vec<i64>) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/day02.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn add(pointer: i32, opcodes: &mut Vec<i64>) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_part2`
[INFO] [stderr]   --> src/day02.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn solve_part2(input: &Vec<i64>, noun: i64, verb: i64) -> Vec<i64> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `never_decreases`
[INFO] [stderr]  --> src/day04.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn never_decreases(password: &Vec<i32>) -> bool {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `contains_double`
[INFO] [stderr]  --> src/day04.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn contains_double(password: &Vec<i32>) -> bool {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `contains_exclusive_double`
[INFO] [stderr]   --> src/day04.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn contains_exclusive_double(password: &Vec<i32>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_digits`
[INFO] [stderr]   --> src/day04.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn to_digits(n: i32) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-of-code-2019-rust` (lib) generated 19 warnings
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day02.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut input = lines[0].clone();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-of-code-2019-rust` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_2019_rust-c9bca38d5e776793)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test day01::tests::day01_part1 ... ok
[INFO] [stdout] test day01::tests::day01_part1_test ... ok
[INFO] [stdout] test day02::tests::day02_part1 ... ok
[INFO] [stdout] test day01::tests::day01_part2 ... ok
[INFO] [stdout] test day02::tests::day2_part1_tests ... ok
[INFO] [stdout] test day01::tests::day01_part2_test ... ok
[INFO] [stdout] test day04::tests::day04_part1_tests ... ok
[INFO] [stdout] test day04::tests::day04_part2_tests ... ok
[INFO] [stdout] test day02::tests::day02_part2 ... ok
[INFO] [stdout] test day04::tests::day01_part1 ... ok
[INFO] [stdout] test day04::tests::day04_part2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.36s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests advent-of-code-2019-rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3bc7a5c154cba7042ca4fdec7369e2e4a767363bc48994cc5170ddfd1b4aa579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc7a5c154cba7042ca4fdec7369e2e4a767363bc48994cc5170ddfd1b4aa579", kill_on_drop: false }`
[INFO] [stdout] 3bc7a5c154cba7042ca4fdec7369e2e4a767363bc48994cc5170ddfd1b4aa579