[INFO] updating cached repository y6nH/aoc2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/y6nH/aoc2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/y6nH/aoc2018" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/y6nH/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/y6nH/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/y6nH/aoc2018" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/y6nH/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/y6nH/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2cfacfebdd6184dbaa69ce647d86fcf189e2267
[INFO] sha for GitHub repo y6nH/aoc2018: d2cfacfebdd6184dbaa69ce647d86fcf189e2267
[INFO] validating manifest of y6nH/aoc2018 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of y6nH/aoc2018 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing y6nH/aoc2018
[INFO] finished frobbing y6nH/aoc2018
[INFO] frobbed toml for y6nH/aoc2018 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/y6nH/aoc2018/Cargo.toml
[INFO] started frobbing y6nH/aoc2018
[INFO] finished frobbing y6nH/aoc2018
[INFO] frobbed toml for y6nH/aoc2018 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/y6nH/aoc2018/Cargo.toml
[INFO] crate y6nH/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking y6nH/aoc2018 against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/y6nH/aoc2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c2cac3ef5848b22883ec560b2645513a81d529dacf5da136dd25060540a9dc37
[INFO] running `"docker" "start" "-a" "c2cac3ef5848b22883ec560b2645513a81d529dacf5da136dd25060540a9dc37"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `coords`
[INFO] [stderr]   --> src/day6.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn find_closest(coords: &Vec<(usize, usize)>, target: &(usize, usize)) -> usize {
[INFO] [stderr]    |                 ^^^^^^ help: consider prefixing with an underscore: `_coords`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> src/day6.rs:58:47
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn find_closest(coords: &Vec<(usize, usize)>, target: &(usize, usize)) -> usize {
[INFO] [stderr]    |                                               ^^^^^^ help: consider prefixing with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coords`
[INFO] [stderr]   --> src/day6.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn find_closest(coords: &Vec<(usize, usize)>, target: &(usize, usize)) -> usize {
[INFO] [stderr]    |                 ^^^^^^ help: consider prefixing with an underscore: `_coords`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> src/day6.rs:58:47
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn find_closest(coords: &Vec<(usize, usize)>, target: &(usize, usize)) -> usize {
[INFO] [stderr]    |                                               ^^^^^^ help: consider prefixing with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/day1.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn a() {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/day1.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn b() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/day2.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn a() {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/day2.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn b() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `only_one_difference`
[INFO] [stderr]   --> src/day2.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn only_one_difference(s1: &str, s2: &str) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]   --> src/day3.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn a() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_claim`
[INFO] [stderr]   --> src/day3.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | / fn check_claim(
[INFO] [stderr] 60 | |   x: &usize,
[INFO] [stderr] 61 | |   y: &usize,
[INFO] [stderr] 62 | |   w: &usize,
[INFO] [stderr] ...  |
[INFO] [stderr] 77 | |   return uncontested;
[INFO] [stderr] 78 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]   --> src/day4.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn a() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/day5.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn a() {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/day5.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn b() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `collapse_bytes`
[INFO] [stderr]   --> src/day5.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn collapse_bytes(bytes: &Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `collapse_bytes_loop`
[INFO] [stderr]   --> src/day5.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn collapse_bytes_loop(bytes: Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/day6.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn a() {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_coords`
[INFO] [stderr]   --> src/day6.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn get_coords() -> Vec<(usize, usize)> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_closest`
[INFO] [stderr]   --> src/day6.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn find_closest(coords: &Vec<(usize, usize)>, target: &(usize, usize)) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/day1.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn a() {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/day1.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn b() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/day2.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn a() {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/day2.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn b() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `only_one_difference`
[INFO] [stderr]   --> src/day2.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn only_one_difference(s1: &str, s2: &str) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]   --> src/day3.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn a() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_claim`
[INFO] [stderr]   --> src/day3.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | / fn check_claim(
[INFO] [stderr] 60 | |   x: &usize,
[INFO] [stderr] 61 | |   y: &usize,
[INFO] [stderr] 62 | |   w: &usize,
[INFO] [stderr] ...  |
[INFO] [stderr] 77 | |   return uncontested;
[INFO] [stderr] 78 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]   --> src/day4.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn a() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/day5.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn a() {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/day5.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn b() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `collapse_bytes`
[INFO] [stderr]   --> src/day5.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn collapse_bytes(bytes: &Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `collapse_bytes_loop`
[INFO] [stderr]   --> src/day5.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn collapse_bytes_loop(bytes: Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/day6.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn a() {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_coords`
[INFO] [stderr]   --> src/day6.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn get_coords() -> Vec<(usize, usize)> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_closest`
[INFO] [stderr]   --> src/day6.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn find_closest(coords: &Vec<(usize, usize)>, target: &(usize, usize)) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.14s
[INFO] running `"docker" "inspect" "c2cac3ef5848b22883ec560b2645513a81d529dacf5da136dd25060540a9dc37"`
[INFO] running `"docker" "rm" "-f" "c2cac3ef5848b22883ec560b2645513a81d529dacf5da136dd25060540a9dc37"`
[INFO] [stdout] c2cac3ef5848b22883ec560b2645513a81d529dacf5da136dd25060540a9dc37