[INFO] cloning repository https://github.com/zandeck/AoC2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zandeck/AoC2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2FAoC2018"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2FAoC2018'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3421072471457bd75252263fbedc638d1b9ed27b
[INFO] testing zandeck/AoC2018 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2FAoC2018" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zandeck/AoC2018 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zandeck/AoC2018
[INFO] finished tweaking git repo https://github.com/zandeck/AoC2018
[INFO] tweaked toml for git repo https://github.com/zandeck/AoC2018 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zandeck/AoC2018 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54de5b53a8dcb13d7ffc1187565e90b19e0559bb6768e0cabdecc9d35afc450a
[INFO] running `"docker" "start" "-a" "54de5b53a8dcb13d7ffc1187565e90b19e0559bb6768e0cabdecc9d35afc450a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling christmas_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/common.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/common.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   BufReader::new(file).read_to_string(&mut data);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/common.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/day2.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use log;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/day3.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/day3.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::result::Result`
[INFO] [stderr]  --> src/day3.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::result::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/day2.rs:55:86
[INFO] [stderr]    |
[INFO] [stderr] 55 |   let res: Vec<String> = w1.chars().zip(w2.chars()).filter(|(a, b)| a == b ).map(|(a,b)| a.to_string() ).collect();
[INFO] [stderr]    |                                                                                      ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/day4.rs:180:108
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (g, (minute, freq)): (Guard, (i64, i64)) = self.most_minute_aslept2().into_iter().max_by_key(|(g, m)| m.1 ).unwrap();
[INFO] [stderr]     |                                                                                                            ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `freq`
[INFO] [stderr]    --> src/day4.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (g, (minute, freq)): (Guard, (i64, i64)) = self.most_minute_aslept2().into_iter().max_by_key(|(g, m)| m.1 ).unwrap();
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_freq`
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `count_letter` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/day2.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 9  |             let counter = count_letter.get(&c).unwrap();
[INFO] [stderr]    |                           ------------ immutable borrow occurs here
[INFO] [stderr] 10 |             count_letter.insert(c, counter + 1);
[INFO] [stderr]    |             ^^^^^^^^^^^^           ------- immutable borrow later used here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day2.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let mut data = common::import_file("resources/input2.txt".to_string()).unwrap();
[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: function is never used: `import_file`
[INFO] [stderr]  --> src/common.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn import_file(path: String) -> Result<Vec<String>, std::io::Error> {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `string_to_int`
[INFO] [stderr]   --> src/common.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn string_to_int(text: Vec<String>) -> Vec<i32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_data`
[INFO] [stderr]  --> src/day1.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn get_data() -> Vec< i32 > {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem1`
[INFO] [stderr]  --> src/day1.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn problem1() -> i32 {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem2`
[INFO] [stderr]   --> src/day1.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn problem2() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_letter_in_word`
[INFO] [stderr]  --> src/day2.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn count_letter_in_word(word: &String) -> HashMap<char, u32> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `contains_exactly`
[INFO] [stderr]   --> src/day2.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn contains_exactly(n: u32, word: &String) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `return_hash`
[INFO] [stderr]   --> src/day2.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn return_hash(l: Vec<String>) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]   --> src/day2.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn part1() -> u32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `words_diff_by_1`
[INFO] [stderr]   --> src/day2.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn words_diff_by_1(w1: &String, w2: &String) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_differ_by_1`
[INFO] [stderr]   --> src/day2.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn find_differ_by_1( w: &String, v: &[String] ) -> Option< String > {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_identical_elements`
[INFO] [stderr]   --> src/day2.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn find_identical_elements( v: &[String] ) -> (String, String) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]   --> src/day2.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn part2() -> String {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotUsed`
[INFO] [stderr]   --> src/day3.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     NotUsed,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Claimed`
[INFO] [stderr]   --> src/day3.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Claimed(Vec<u32>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/day3.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(ID: u32, from_left: u32, from_top: u32, wide: u32, tall: u32) -> Claim {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/day3.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn new(Height: usize, Width: usize) -> Fabriq {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/day3.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn set(&mut self, i: usize, j: usize, s: State) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/day3.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn get(&self, i: usize, j:usize) -> State {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `claim`
[INFO] [stderr]   --> src/day3.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn claim(&mut self, IDClaim: u32, i: usize, j:usize) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_claim`
[INFO] [stderr]   --> src/day3.rs:82:8
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn handle_claim(&mut self, c: Claim) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `count_overlaped`
[INFO] [stderr]   --> src/day3.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn count_overlaped(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `overlaped_claims`
[INFO] [stderr]    --> src/day3.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn overlaped_claims(&self) -> HashSet<u32> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]    --> src/day3.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub fn part1() {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u8_to_u32`
[INFO] [stderr]    --> src/day3.rs:126:4
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn u8_to_u32(l: nom::types::CompleteStr) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]    --> src/day3.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 159 | pub fn part2() {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_guard`
[INFO] [stderr]   --> src/day4.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |      fn set_guard(&mut self, guard: Guard) {
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `time_asleep`
[INFO] [stderr]   --> src/day4.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn time_asleep(&self) -> i64{
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/common.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   BufReader::new(file).read_to_string(&mut data);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Height` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Height: usize,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Width` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Width: usize,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `width`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Data` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Data: Vec<State>,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case: `data`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ID` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ID: u32,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(ID: u32, from_left: u32, from_top: u32, wide: u32, tall: u32) -> Claim {
[INFO] [stderr]    |            ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Height` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn new(Height: usize, Width: usize) -> Fabriq {
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Width` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:44:27
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn new(Height: usize, Width: usize) -> Fabriq {
[INFO] [stderr]    |                           ^^^^^ help: convert the identifier to snake case (notice the capitalization): `width`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IDClaim` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn claim(&mut self, IDClaim: u32, i: usize, j:usize) {
[INFO] [stderr]    |                         ^^^^^^^ help: convert the identifier to snake case: `idclaim`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `claimID` should have a snake case name
[INFO] [stderr]    --> src/day3.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         claimID: ws!(digit) >>
[INFO] [stderr]     |         ^^^^^^^ help: convert the identifier to snake case: `claim_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]    --> src/day4.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         Y: ws!(digit) >>
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `M` should have a snake case name
[INFO] [stderr]    --> src/day4.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         M: ws!(digit) >>
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `m`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]    --> src/day4.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         D: ws!(digit) >>
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: 52 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `"docker" "inspect" "54de5b53a8dcb13d7ffc1187565e90b19e0559bb6768e0cabdecc9d35afc450a"`
[INFO] running `"docker" "rm" "-f" "54de5b53a8dcb13d7ffc1187565e90b19e0559bb6768e0cabdecc9d35afc450a"`
[INFO] [stdout] 54de5b53a8dcb13d7ffc1187565e90b19e0559bb6768e0cabdecc9d35afc450a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c67bcdca9af56d7fe6167036c31330e8ca20ed2d497548e77877eaebdad8916
[INFO] running `"docker" "start" "-a" "6c67bcdca9af56d7fe6167036c31330e8ca20ed2d497548e77877eaebdad8916"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling christmas_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/common.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/common.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   BufReader::new(file).read_to_string(&mut data);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/common.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/common.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/day2.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use log;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/day3.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/day3.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::result::Result`
[INFO] [stderr]  --> src/day3.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::result::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/common.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   BufReader::new(file).read_to_string(&mut data);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/day2.rs:55:86
[INFO] [stderr]    |
[INFO] [stderr] 55 |   let res: Vec<String> = w1.chars().zip(w2.chars()).filter(|(a, b)| a == b ).map(|(a,b)| a.to_string() ).collect();
[INFO] [stderr]    |                                                                                      ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/day4.rs:180:108
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (g, (minute, freq)): (Guard, (i64, i64)) = self.most_minute_aslept2().into_iter().max_by_key(|(g, m)| m.1 ).unwrap();
[INFO] [stderr]     |                                                                                                            ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `freq`
[INFO] [stderr]    --> src/day4.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (g, (minute, freq)): (Guard, (i64, i64)) = self.most_minute_aslept2().into_iter().max_by_key(|(g, m)| m.1 ).unwrap();
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_freq`
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `count_letter` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/day2.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 9  |             let counter = count_letter.get(&c).unwrap();
[INFO] [stderr]    |                           ------------ immutable borrow occurs here
[INFO] [stderr] 10 |             count_letter.insert(c, counter + 1);
[INFO] [stderr]    |             ^^^^^^^^^^^^           ------- immutable borrow later used here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day2.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let mut data = common::import_file("resources/input2.txt".to_string()).unwrap();
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `import_file`
[INFO] [stderr]  --> src/common.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn import_file(path: String) -> Result<Vec<String>, std::io::Error> {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `string_to_int`
[INFO] [stderr]   --> src/common.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn string_to_int(text: Vec<String>) -> Vec<i32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_data`
[INFO] [stderr]  --> src/day1.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn get_data() -> Vec< i32 > {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem1`
[INFO] [stderr]  --> src/day1.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn problem1() -> i32 {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem2`
[INFO] [stderr]   --> src/day1.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn problem2() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_letter_in_word`
[INFO] [stderr]  --> src/day2.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn count_letter_in_word(word: &String) -> HashMap<char, u32> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `contains_exactly`
[INFO] [stderr]   --> src/day2.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn contains_exactly(n: u32, word: &String) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `return_hash`
[INFO] [stderr]   --> src/day2.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn return_hash(l: Vec<String>) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]   --> src/day2.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn part1() -> u32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `words_diff_by_1`
[INFO] [stderr]   --> src/day2.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn words_diff_by_1(w1: &String, w2: &String) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_differ_by_1`
[INFO] [stderr]   --> src/day2.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn find_differ_by_1( w: &String, v: &[String] ) -> Option< String > {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_identical_elements`
[INFO] [stderr]   --> src/day2.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn find_identical_elements( v: &[String] ) -> (String, String) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]   --> src/day2.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn part2() -> String {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotUsed`
[INFO] [stderr]   --> src/day3.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     NotUsed,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Claimed`
[INFO] [stderr]   --> src/day3.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Claimed(Vec<u32>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/day3.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(ID: u32, from_left: u32, from_top: u32, wide: u32, tall: u32) -> Claim {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/day3.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn new(Height: usize, Width: usize) -> Fabriq {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/day3.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn set(&mut self, i: usize, j: usize, s: State) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/day3.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn get(&self, i: usize, j:usize) -> State {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `claim`
[INFO] [stderr]   --> src/day3.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn claim(&mut self, IDClaim: u32, i: usize, j:usize) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_claim`
[INFO] [stderr]   --> src/day3.rs:82:8
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn handle_claim(&mut self, c: Claim) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `count_overlaped`
[INFO] [stderr]   --> src/day3.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn count_overlaped(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `overlaped_claims`
[INFO] [stderr]    --> src/day3.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn overlaped_claims(&self) -> HashSet<u32> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]    --> src/day3.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub fn part1() {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u8_to_u32`
[INFO] [stderr]    --> src/day3.rs:126:4
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn u8_to_u32(l: nom::types::CompleteStr) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]    --> src/day3.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 159 | pub fn part2() {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_guard`
[INFO] [stderr]   --> src/day4.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |      fn set_guard(&mut self, guard: Guard) {
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `time_asleep`
[INFO] [stderr]   --> src/day4.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn time_asleep(&self) -> i64{
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/common.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   BufReader::new(file).read_to_string(&mut data);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Height` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Height: usize,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Width` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Width: usize,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `width`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Data` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Data: Vec<State>,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case: `data`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ID` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ID: u32,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(ID: u32, from_left: u32, from_top: u32, wide: u32, tall: u32) -> Claim {
[INFO] [stderr]    |            ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Height` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn new(Height: usize, Width: usize) -> Fabriq {
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Width` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:44:27
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn new(Height: usize, Width: usize) -> Fabriq {
[INFO] [stderr]    |                           ^^^^^ help: convert the identifier to snake case (notice the capitalization): `width`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IDClaim` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn claim(&mut self, IDClaim: u32, i: usize, j:usize) {
[INFO] [stderr]    |                         ^^^^^^^ help: convert the identifier to snake case: `idclaim`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `claimID` should have a snake case name
[INFO] [stderr]    --> src/day3.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         claimID: ws!(digit) >>
[INFO] [stderr]     |         ^^^^^^^ help: convert the identifier to snake case: `claim_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]    --> src/day4.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         Y: ws!(digit) >>
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `M` should have a snake case name
[INFO] [stderr]    --> src/day4.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         M: ws!(digit) >>
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `m`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]    --> src/day4.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         D: ws!(digit) >>
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: 52 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `"docker" "inspect" "6c67bcdca9af56d7fe6167036c31330e8ca20ed2d497548e77877eaebdad8916"`
[INFO] running `"docker" "rm" "-f" "6c67bcdca9af56d7fe6167036c31330e8ca20ed2d497548e77877eaebdad8916"`
[INFO] [stdout] 6c67bcdca9af56d7fe6167036c31330e8ca20ed2d497548e77877eaebdad8916
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffc65df1840bc3b4078d33c3aee13ca6670df066e985f23f808d751c7649b000
[INFO] running `"docker" "start" "-a" "ffc65df1840bc3b4078d33c3aee13ca6670df066e985f23f808d751c7649b000"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/common.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/common.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/common.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   BufReader::new(file).read_to_string(&mut data);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/common.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   BufReader::new(file).read_to_string(&mut data);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/common.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/day2.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use log;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/day3.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/day3.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::result::Result`
[INFO] [stderr]  --> src/day3.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::result::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/day2.rs:55:86
[INFO] [stderr]    |
[INFO] [stderr] 55 |   let res: Vec<String> = w1.chars().zip(w2.chars()).filter(|(a, b)| a == b ).map(|(a,b)| a.to_string() ).collect();
[INFO] [stderr]    |                                                                                      ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/day4.rs:180:108
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (g, (minute, freq)): (Guard, (i64, i64)) = self.most_minute_aslept2().into_iter().max_by_key(|(g, m)| m.1 ).unwrap();
[INFO] [stderr]     |                                                                                                            ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `freq`
[INFO] [stderr]    --> src/day4.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (g, (minute, freq)): (Guard, (i64, i64)) = self.most_minute_aslept2().into_iter().max_by_key(|(g, m)| m.1 ).unwrap();
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_freq`
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `count_letter` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/day2.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 9  |             let counter = count_letter.get(&c).unwrap();
[INFO] [stderr]    |                           ------------ immutable borrow occurs here
[INFO] [stderr] 10 |             count_letter.insert(c, counter + 1);
[INFO] [stderr]    |             ^^^^^^^^^^^^           ------- immutable borrow later used here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day2.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let mut data = common::import_file("resources/input2.txt".to_string()).unwrap();
[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: function is never used: `import_file`
[INFO] [stderr]  --> src/common.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn import_file(path: String) -> Result<Vec<String>, std::io::Error> {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `string_to_int`
[INFO] [stderr]   --> src/common.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn string_to_int(text: Vec<String>) -> Vec<i32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_data`
[INFO] [stderr]  --> src/day1.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn get_data() -> Vec< i32 > {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem1`
[INFO] [stderr]  --> src/day1.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn problem1() -> i32 {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem2`
[INFO] [stderr]   --> src/day1.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn problem2() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_letter_in_word`
[INFO] [stderr]  --> src/day2.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn count_letter_in_word(word: &String) -> HashMap<char, u32> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `contains_exactly`
[INFO] [stderr]   --> src/day2.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn contains_exactly(n: u32, word: &String) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `return_hash`
[INFO] [stderr]   --> src/day2.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn return_hash(l: Vec<String>) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]   --> src/day2.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn part1() -> u32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `words_diff_by_1`
[INFO] [stderr]   --> src/day2.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn words_diff_by_1(w1: &String, w2: &String) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_differ_by_1`
[INFO] [stderr]   --> src/day2.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn find_differ_by_1( w: &String, v: &[String] ) -> Option< String > {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_identical_elements`
[INFO] [stderr]   --> src/day2.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn find_identical_elements( v: &[String] ) -> (String, String) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]   --> src/day2.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn part2() -> String {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotUsed`
[INFO] [stderr]   --> src/day3.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     NotUsed,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Claimed`
[INFO] [stderr]   --> src/day3.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Claimed(Vec<u32>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/day3.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(ID: u32, from_left: u32, from_top: u32, wide: u32, tall: u32) -> Claim {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/day3.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn new(Height: usize, Width: usize) -> Fabriq {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/day3.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn set(&mut self, i: usize, j: usize, s: State) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/day3.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn get(&self, i: usize, j:usize) -> State {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `claim`
[INFO] [stderr]   --> src/day3.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn claim(&mut self, IDClaim: u32, i: usize, j:usize) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_claim`
[INFO] [stderr]   --> src/day3.rs:82:8
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn handle_claim(&mut self, c: Claim) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `count_overlaped`
[INFO] [stderr]   --> src/day3.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn count_overlaped(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `overlaped_claims`
[INFO] [stderr]    --> src/day3.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn overlaped_claims(&self) -> HashSet<u32> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]    --> src/day3.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub fn part1() {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u8_to_u32`
[INFO] [stderr]    --> src/day3.rs:126:4
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn u8_to_u32(l: nom::types::CompleteStr) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]    --> src/day3.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 159 | pub fn part2() {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_guard`
[INFO] [stderr]   --> src/day4.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |      fn set_guard(&mut self, guard: Guard) {
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `time_asleep`
[INFO] [stderr]   --> src/day4.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn time_asleep(&self) -> i64{
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/common.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   BufReader::new(file).read_to_string(&mut data);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Height` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Height: usize,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Width` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Width: usize,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `width`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Data` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Data: Vec<State>,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case: `data`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ID` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ID: u32,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(ID: u32, from_left: u32, from_top: u32, wide: u32, tall: u32) -> Claim {
[INFO] [stderr]    |            ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Height` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn new(Height: usize, Width: usize) -> Fabriq {
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Width` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:44:27
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn new(Height: usize, Width: usize) -> Fabriq {
[INFO] [stderr]    |                           ^^^^^ help: convert the identifier to snake case (notice the capitalization): `width`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IDClaim` should have a snake case name
[INFO] [stderr]   --> src/day3.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn claim(&mut self, IDClaim: u32, i: usize, j:usize) {
[INFO] [stderr]    |                         ^^^^^^^ help: convert the identifier to snake case: `idclaim`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `claimID` should have a snake case name
[INFO] [stderr]    --> src/day3.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         claimID: ws!(digit) >>
[INFO] [stderr]     |         ^^^^^^^ help: convert the identifier to snake case: `claim_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]    --> src/day4.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         Y: ws!(digit) >>
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `M` should have a snake case name
[INFO] [stderr]    --> src/day4.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         M: ws!(digit) >>
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `m`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]    --> src/day4.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         D: ws!(digit) >>
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: 52 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/christmas_2018-218b5efee7d3b0fa
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/christmas_2018-0435741920aa6fbe
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests christmas_2018
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ffc65df1840bc3b4078d33c3aee13ca6670df066e985f23f808d751c7649b000"`
[INFO] running `"docker" "rm" "-f" "ffc65df1840bc3b4078d33c3aee13ca6670df066e985f23f808d751c7649b000"`
[INFO] [stdout] ffc65df1840bc3b4078d33c3aee13ca6670df066e985f23f808d751c7649b000