[INFO] updating cached repository https://github.com/ralphrecto/advent-of-code
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/ralphrecto/advent-of-code
[INFO] [stderr]    1c3f091..0ecf630  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ecf630f3dd335da3bd0d3543fc2a5a1161d49c4
[INFO] checking ralphrecto/advent-of-code against master#2da942f32802c8233a09744024dfbc34431adf65 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralphrecto%2Fadvent-of-code" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ralphrecto/advent-of-code on toolchain 2da942f32802c8233a09744024dfbc34431adf65
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ralphrecto/advent-of-code
[INFO] finished tweaking git repo https://github.com/ralphrecto/advent-of-code
[INFO] tweaked toml for git repo https://github.com/ralphrecto/advent-of-code written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ralphrecto/advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c256530d97ee9f8ee78eccee2b603243f4634806dbbee3e87c48f8c1e680a5e9
[INFO] running `"docker" "start" "-a" "c256530d97ee9f8ee78eccee2b603243f4634806dbbee3e87c48f8c1e680a5e9"`
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/advent2019/day03.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut x = 0;
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/advent2019/day03.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut y = 0;
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/advent2019/day03.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut x = 0;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/advent2019/day03.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut y = 0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_file`
[INFO] [stderr]  --> src/fileutil.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn read_file(pathstr: &str) -> io::Result<String> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_lines`
[INFO] [stderr]   --> src/fileutil.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn read_lines(pathstr: &str) -> io::Result<Vec<String>> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fuel_needed`
[INFO] [stderr]  --> src/advent2019/day01.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn fuel_needed(mass: i32) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]  --> src/advent2019/day01.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn pt1(lines: &Vec<String>) -> () {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/advent2019/day01.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn pt2(lines: &Vec<String>) -> () {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/advent2019/day01.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn run() -> () {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `grav_assist_prog`
[INFO] [stderr]  --> src/advent2019/day02.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn grav_assist_prog(prog: &str, noun: usize, verb: usize) -> usize {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/advent2019/day02.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn pt2(prog: &str) -> () {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/advent2019/day02.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn run() -> () {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ORIGIN`
[INFO] [stderr]   --> src/advent2019/day03.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const ORIGIN: Point = Point {x: 0, y: 0};
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `line_segments`
[INFO] [stderr]   --> src/advent2019/day03.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn line_segments(start: Point, line: &str) -> Vec<Segment> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intersection`
[INFO] [stderr]   --> src/advent2019/day03.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn intersection(a: &Segment, b: &Segment) -> Option<Point> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intersections`
[INFO] [stderr]   --> src/advent2019/day03.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn intersections(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> Vec<Point> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `manhattan_dist`
[INFO] [stderr]    --> src/advent2019/day03.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn manhattan_dist(a: &Point, b: &Point) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `length`
[INFO] [stderr]    --> src/advent2019/day03.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn length(s: &Segment) -> i32 {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `contains_point`
[INFO] [stderr]    --> src/advent2019/day03.rs:115:4
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn contains_point(s: &Segment, p: &Point) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]    --> src/advent2019/day03.rs:125:4
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn pt1(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> () {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delay`
[INFO] [stderr]    --> src/advent2019/day03.rs:134:4
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn delay(line: &Vec<Segment>, p: &Point) -> i32 {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]    --> src/advent2019/day03.rs:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn pt2(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> () {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]    --> src/advent2019/day03.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn run() -> () {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/advent2019/day03.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut x = 0;
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/advent2019/day03.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut y = 0;
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/advent2019/day03.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut x = 0;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/advent2019/day03.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut y = 0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_file`
[INFO] [stderr]  --> src/fileutil.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn read_file(pathstr: &str) -> io::Result<String> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_lines`
[INFO] [stderr]   --> src/fileutil.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn read_lines(pathstr: &str) -> io::Result<Vec<String>> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fuel_needed`
[INFO] [stderr]  --> src/advent2019/day01.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn fuel_needed(mass: i32) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]  --> src/advent2019/day01.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn pt1(lines: &Vec<String>) -> () {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/advent2019/day01.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn pt2(lines: &Vec<String>) -> () {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/advent2019/day01.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn run() -> () {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `grav_assist_prog`
[INFO] [stderr]  --> src/advent2019/day02.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn grav_assist_prog(prog: &str, noun: usize, verb: usize) -> usize {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/advent2019/day02.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn pt2(prog: &str) -> () {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/advent2019/day02.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn run() -> () {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ORIGIN`
[INFO] [stderr]   --> src/advent2019/day03.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const ORIGIN: Point = Point {x: 0, y: 0};
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `line_segments`
[INFO] [stderr]   --> src/advent2019/day03.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn line_segments(start: Point, line: &str) -> Vec<Segment> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intersection`
[INFO] [stderr]   --> src/advent2019/day03.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn intersection(a: &Segment, b: &Segment) -> Option<Point> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intersections`
[INFO] [stderr]   --> src/advent2019/day03.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn intersections(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> Vec<Point> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `manhattan_dist`
[INFO] [stderr]    --> src/advent2019/day03.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn manhattan_dist(a: &Point, b: &Point) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `length`
[INFO] [stderr]    --> src/advent2019/day03.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn length(s: &Segment) -> i32 {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `contains_point`
[INFO] [stderr]    --> src/advent2019/day03.rs:115:4
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn contains_point(s: &Segment, p: &Point) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]    --> src/advent2019/day03.rs:125:4
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn pt1(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> () {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delay`
[INFO] [stderr]    --> src/advent2019/day03.rs:134:4
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn delay(line: &Vec<Segment>, p: &Point) -> i32 {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]    --> src/advent2019/day03.rs:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn pt2(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> () {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]    --> src/advent2019/day03.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn run() -> () {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `"docker" "inspect" "c256530d97ee9f8ee78eccee2b603243f4634806dbbee3e87c48f8c1e680a5e9"`
[INFO] running `"docker" "rm" "-f" "c256530d97ee9f8ee78eccee2b603243f4634806dbbee3e87c48f8c1e680a5e9"`
[INFO] [stdout] c256530d97ee9f8ee78eccee2b603243f4634806dbbee3e87c48f8c1e680a5e9