[INFO] updating cached repository dewaka/aoc2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dewaka/aoc2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dewaka/aoc2018" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/dewaka/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/dewaka/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dewaka/aoc2018" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/dewaka/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/dewaka/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17e6025d9134c653b79cb70d3d3ae894463584d2
[INFO] sha for GitHub repo dewaka/aoc2018: 17e6025d9134c653b79cb70d3d3ae894463584d2
[INFO] validating manifest of dewaka/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 dewaka/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 dewaka/aoc2018
[INFO] finished frobbing dewaka/aoc2018
[INFO] frobbed toml for dewaka/aoc2018 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/dewaka/aoc2018/Cargo.toml
[INFO] started frobbing dewaka/aoc2018
[INFO] finished frobbing dewaka/aoc2018
[INFO] frobbed toml for dewaka/aoc2018 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/dewaka/aoc2018/Cargo.toml
[INFO] crate dewaka/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 dewaka/aoc2018 against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/dewaka/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d45881d964471b458cb12e03d9f3c299b67f597ef4c2388f39239aac6d13c3dd
[INFO] running `"docker" "start" "-a" "d45881d964471b458cb12e03d9f3c299b67f597ef4c2388f39239aac6d13c3dd"`
[INFO] [stderr]     Checking aoc2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `BinaryHeap`
[INFO] [stderr]  --> src/day7.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/day9.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/day9.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/day9.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BinaryHeap`
[INFO] [stderr]  --> src/day7.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/day9.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/day9.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/day9.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/day7.rs:159:22
[INFO] [stderr]     |
[INFO] [stderr] 159 |         if let Some((t, x)) = m {
[INFO] [stderr]     |                      ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tasks`
[INFO] [stderr]    --> src/day7.rs:170:32
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stderr]     |                                ^^^^^ help: consider prefixing with an underscore: `_tasks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `workers`
[INFO] [stderr]    --> src/day7.rs:170:48
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stderr]     |                                                ^^^^^^^ help: consider prefixing with an underscore: `_workers`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `work_time`
[INFO] [stderr]    --> src/day7.rs:170:64
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stderr]     |                                                                ^^^^^^^^^ help: consider prefixing with an underscore: `_work_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/day9.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn day9(input: &str) {
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/day7.rs:159:22
[INFO] [stderr]     |
[INFO] [stderr] 159 |         if let Some((t, x)) = m {
[INFO] [stderr]     |                      ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tasks`
[INFO] [stderr]    --> src/day7.rs:170:32
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stderr]     |                                ^^^^^ help: consider prefixing with an underscore: `_tasks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `workers`
[INFO] [stderr]    --> src/day7.rs:170:48
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stderr]     |                                                ^^^^^^^ help: consider prefixing with an underscore: `_workers`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `work_time`
[INFO] [stderr]    --> src/day7.rs:170:64
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stderr]     |                                                                ^^^^^^^^^ help: consider prefixing with an underscore: `_work_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/day9.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn day9(input: &str) {
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day7.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[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: method is never used: `add_change_from_str`
[INFO] [stderr]   --> src/day1.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn add_change_from_str(self, cstr: &str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_changes_from_str`
[INFO] [stderr]   --> src/day1.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn add_changes_from_str(self, cstrs: &[&str]) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/day3.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn from(pos: (i32, i32), dim: (i32, i32)) -> Sheet {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/day7.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn new(task: TaskName, depends_on: TaskName) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/day7.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `completable_tasks_excluding`
[INFO] [stderr]    --> src/day7.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     fn completable_tasks_excluding(&self, exluding: &HashSet<TaskName>) -> Vec<TaskName> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_work`
[INFO] [stderr]    --> src/day7.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | / fn start_work(
[INFO] [stderr] 143 | |     queue: &Vec<TaskName>,
[INFO] [stderr] 144 | |     events: &mut Vec<(i32, TaskName)>,
[INFO] [stderr] 145 | |     workers: usize,
[INFO] [stderr] ...   |
[INFO] [stderr] 167 | |     queue
[INFO] [stderr] 168 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `task_time`
[INFO] [stderr]    --> src/day7.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | fn task_time(t: TaskName) -> Option<i32> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day7.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[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: method is never used: `is_empty`
[INFO] [stderr]   --> src/day7.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `completable_tasks_excluding`
[INFO] [stderr]    --> src/day7.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     fn completable_tasks_excluding(&self, exluding: &HashSet<TaskName>) -> Vec<TaskName> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_work`
[INFO] [stderr]    --> src/day7.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | / fn start_work(
[INFO] [stderr] 143 | |     queue: &Vec<TaskName>,
[INFO] [stderr] 144 | |     events: &mut Vec<(i32, TaskName)>,
[INFO] [stderr] 145 | |     workers: usize,
[INFO] [stderr] ...   |
[INFO] [stderr] 167 | |     queue
[INFO] [stderr] 168 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "d45881d964471b458cb12e03d9f3c299b67f597ef4c2388f39239aac6d13c3dd"`
[INFO] running `"docker" "rm" "-f" "d45881d964471b458cb12e03d9f3c299b67f597ef4c2388f39239aac6d13c3dd"`
[INFO] [stdout] d45881d964471b458cb12e03d9f3c299b67f597ef4c2388f39239aac6d13c3dd