Dec 19 22:08:03.485 INFO checking Riuchando/adventofcode2018 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:08:03.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Riuchando/adventofcode2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:08:03.948 INFO [stdout] 2e40542f753ebad28ff648a91d7382b3e56de1da933ecdf7833b0c9426e17c3d
Dec 19 22:08:03.950 INFO running `"docker" "start" "-a" "2e40542f753ebad28ff648a91d7382b3e56de1da933ecdf7833b0c9426e17c3d"`
Dec 19 22:08:05.850 INFO [stderr]     Checking adventofcode2018 v0.1.0 (/opt/crater/workdir)
Dec 19 22:08:06.764 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 19 22:08:06.764 INFO [stderr]   --> src/main.rs:11:5
Dec 19 22:08:06.764 INFO [stderr]    |
Dec 19 22:08:06.764 INFO [stderr] 11 | use std::collections::HashSet;
Dec 19 22:08:06.764 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.764 INFO [stderr]    |
Dec 19 22:08:06.764 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 22:08:06.764 INFO [stderr] 
Dec 19 22:08:06.764 INFO [stderr] warning: unused import: `std::hash::Hash`
Dec 19 22:08:06.764 INFO [stderr]   --> src/main.rs:12:5
Dec 19 22:08:06.764 INFO [stderr]    |
Dec 19 22:08:06.764 INFO [stderr] 12 | use std::hash::Hash;
Dec 19 22:08:06.764 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 22:08:06.764 INFO [stderr] 
Dec 19 22:08:06.764 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 19 22:08:06.764 INFO [stderr]  --> src/day4.rs:2:5
Dec 19 22:08:06.764 INFO [stderr]   |
Dec 19 22:08:06.764 INFO [stderr] 2 | use itertools::Itertools;
Dec 19 22:08:06.764 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.764 INFO [stderr] 
Dec 19 22:08:06.764 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 22:08:06.764 INFO [stderr]  --> src/day4.rs:3:5
Dec 19 22:08:06.764 INFO [stderr]   |
Dec 19 22:08:06.764 INFO [stderr] 3 | use std::cmp::Ordering;
Dec 19 22:08:06.764 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.765 INFO [stderr] 
Dec 19 22:08:06.765 INFO [stderr] warning: unused import: `chrono::prelude::*`
Dec 19 22:08:06.765 INFO [stderr]  --> src/day5.rs:1:5
Dec 19 22:08:06.765 INFO [stderr]   |
Dec 19 22:08:06.765 INFO [stderr] 1 | use chrono::prelude::*;
Dec 19 22:08:06.765 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.765 INFO [stderr] 
Dec 19 22:08:06.765 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 19 22:08:06.765 INFO [stderr]  --> src/day5.rs:2:5
Dec 19 22:08:06.765 INFO [stderr]   |
Dec 19 22:08:06.765 INFO [stderr] 2 | use itertools::Itertools;
Dec 19 22:08:06.765 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.765 INFO [stderr] 
Dec 19 22:08:06.765 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 22:08:06.765 INFO [stderr]  --> src/day5.rs:3:5
Dec 19 22:08:06.765 INFO [stderr]   |
Dec 19 22:08:06.765 INFO [stderr] 3 | use std::cmp::Ordering;
Dec 19 22:08:06.765 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.765 INFO [stderr] 
Dec 19 22:08:06.765 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 22:08:06.765 INFO [stderr]   --> src/day5.rs:56:27
Dec 19 22:08:06.765 INFO [stderr]    |
Dec 19 22:08:06.765 INFO [stderr] 56 |                   } else if (ascii_int as u8 as char == character.to_ascii_uppercase()
Dec 19 22:08:06.765 INFO [stderr]    |  ___________________________^
Dec 19 22:08:06.765 INFO [stderr] 57 | |                     || ascii_int as u8 as char == character.to_ascii_lowercase())
Dec 19 22:08:06.765 INFO [stderr]    | |_________________________________________________________________________________^
Dec 19 22:08:06.765 INFO [stderr]    |
Dec 19 22:08:06.765 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 22:08:06.765 INFO [stderr] help: remove these parentheses
Dec 19 22:08:06.765 INFO [stderr]    |
Dec 19 22:08:06.765 INFO [stderr] 56 |                 } else if ascii_int as u8 as char == character.to_ascii_uppercase()
Dec 19 22:08:06.765 INFO [stderr] 57 |                     || ascii_int as u8 as char == character.to_ascii_lowercase()
Dec 19 22:08:06.765 INFO [stderr]    |
Dec 19 22:08:06.765 INFO [stderr] 
Dec 19 22:08:06.765 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 22:08:06.765 INFO [stderr]   --> src/day5.rs:60:27
Dec 19 22:08:06.765 INFO [stderr]    |
Dec 19 22:08:06.765 INFO [stderr] 60 |                   } else if (match left_vec.last() {
Dec 19 22:08:06.765 INFO [stderr]    |  ___________________________^
Dec 19 22:08:06.765 INFO [stderr] 61 | |                     Some(x) => {
Dec 19 22:08:06.765 INFO [stderr] 62 | |                         (x.is_ascii_uppercase()
Dec 19 22:08:06.765 INFO [stderr] 63 | |                             && character.is_ascii_lowercase()
Dec 19 22:08:06.765 INFO [stderr] ...  |
Dec 19 22:08:06.765 INFO [stderr] 69 | |                     None => false,
Dec 19 22:08:06.765 INFO [stderr] 70 | |                 }) {
Dec 19 22:08:06.765 INFO [stderr]    | |__________________^
Dec 19 22:08:06.765 INFO [stderr] help: remove these parentheses
Dec 19 22:08:06.765 INFO [stderr]    |
Dec 19 22:08:06.765 INFO [stderr] 60 |                 } else if match left_vec.last() {
Dec 19 22:08:06.765 INFO [stderr] 61 |                     Some(x) => {
Dec 19 22:08:06.765 INFO [stderr] 62 |                         (x.is_ascii_uppercase()
Dec 19 22:08:06.765 INFO [stderr] 63 |                             && character.is_ascii_lowercase()
Dec 19 22:08:06.765 INFO [stderr] 64 |                             && character.to_ascii_uppercase() == *x
Dec 19 22:08:06.765 INFO [stderr] 65 |                             || (left_vec.last().unwrap().is_ascii_lowercase()
Dec 19 22:08:06.765 INFO [stderr]  ...
Dec 19 22:08:06.765 INFO [stderr] 
Dec 19 22:08:06.765 INFO [stderr] warning: unused import: `chrono::prelude::*`
Dec 19 22:08:06.765 INFO [stderr]  --> src/day6.rs:1:5
Dec 19 22:08:06.765 INFO [stderr]   |
Dec 19 22:08:06.765 INFO [stderr] 1 | use chrono::prelude::*;
Dec 19 22:08:06.765 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.765 INFO [stderr] 
Dec 19 22:08:06.765 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 22:08:06.765 INFO [stderr]  --> src/day6.rs:3:5
Dec 19 22:08:06.765 INFO [stderr]   |
Dec 19 22:08:06.765 INFO [stderr] 3 | use std::cmp::Ordering;
Dec 19 22:08:06.765 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.765 INFO [stderr] 
Dec 19 22:08:06.765 INFO [stderr] warning: unused import: `petgraph::EdgeType`
Dec 19 22:08:06.765 INFO [stderr]  --> src/day7.rs:3:5
Dec 19 22:08:06.765 INFO [stderr]   |
Dec 19 22:08:06.765 INFO [stderr] 3 | use petgraph::EdgeType;
Dec 19 22:08:06.765 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.765 INFO [stderr] 
Dec 19 22:08:06.765 INFO [stderr] warning: unused imports: `dominators`, `has_path_connecting`, `is_cyclic_undirected`, `is_isomorphic_matching`, `min_spanning_tree`
Dec 19 22:08:06.765 INFO [stderr]   --> src/day7.rs:14:5
Dec 19 22:08:06.765 INFO [stderr]    |
Dec 19 22:08:06.765 INFO [stderr] 14 |     dominators, has_path_connecting, is_cyclic_undirected, is_isomorphic_matching,
Dec 19 22:08:06.765 INFO [stderr]    |     ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.765 INFO [stderr] 15 |     min_spanning_tree,
Dec 19 22:08:06.765 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.765 INFO [stderr] 
Dec 19 22:08:06.765 INFO [stderr] warning: unused import: `petgraph::graph::node_index as n`
Dec 19 22:08:06.765 INFO [stderr]   --> src/day7.rs:18:5
Dec 19 22:08:06.766 INFO [stderr]    |
Dec 19 22:08:06.766 INFO [stderr] 18 | use petgraph::graph::node_index as n;
Dec 19 22:08:06.766 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.766 INFO [stderr] 
Dec 19 22:08:06.766 INFO [stderr] warning: unused imports: `DfsSpace`, `astar`, `dijkstra`
Dec 19 22:08:06.766 INFO [stderr]   --> src/day7.rs:21:22
Dec 19 22:08:06.766 INFO [stderr]    |
Dec 19 22:08:06.766 INFO [stderr] 21 | use petgraph::algo::{astar, dijkstra, DfsSpace};
Dec 19 22:08:06.766 INFO [stderr]    |                      ^^^^^  ^^^^^^^^  ^^^^^^^^
Dec 19 22:08:06.766 INFO [stderr] 
Dec 19 22:08:06.766 INFO [stderr] warning: unused imports: `IntoNodeIdentifiers`, `NodeFiltered`, `Reversed`, `Topo`, `VisitMap`, `Walker`
Dec 19 22:08:06.766 INFO [stderr]   --> src/day7.rs:23:20
Dec 19 22:08:06.766 INFO [stderr]    |
Dec 19 22:08:06.766 INFO [stderr] 23 |     IntoNeighbors, IntoNodeIdentifiers, NodeFiltered, Reversed, Topo, VisitMap, Walker,
Dec 19 22:08:06.766 INFO [stderr]    |                    ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^  ^^^^  ^^^^^^^^  ^^^^^^
Dec 19 22:08:06.766 INFO [stderr] 
Dec 19 22:08:06.766 INFO [stderr] warning: unused import: `petgraph::dot::Dot`
Dec 19 22:08:06.766 INFO [stderr]   --> src/day7.rs:26:5
Dec 19 22:08:06.766 INFO [stderr]    |
Dec 19 22:08:06.766 INFO [stderr] 26 | use petgraph::dot::Dot;
Dec 19 22:08:06.766 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.766 INFO [stderr] 
Dec 19 22:08:06.766 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 19 22:08:06.766 INFO [stderr]   --> src/day7.rs:28:5
Dec 19 22:08:06.766 INFO [stderr]    |
Dec 19 22:08:06.766 INFO [stderr] 28 | use std::collections::HashSet;
Dec 19 22:08:06.766 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.766 INFO [stderr] 
Dec 19 22:08:06.766 INFO [stderr] warning: unused import: `std::hash::Hash`
Dec 19 22:08:06.766 INFO [stderr]   --> src/day7.rs:29:5
Dec 19 22:08:06.766 INFO [stderr]    |
Dec 19 22:08:06.766 INFO [stderr] 29 | use std::hash::Hash;
Dec 19 22:08:06.766 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 22:08:06.766 INFO [stderr] 
Dec 19 22:08:06.766 INFO [stderr] warning: unused import: `petgraph::prelude::*`
Dec 19 22:08:06.766 INFO [stderr]   --> src/day7.rs:31:5
Dec 19 22:08:06.766 INFO [stderr]    |
Dec 19 22:08:06.766 INFO [stderr] 31 | use petgraph::prelude::*;
Dec 19 22:08:06.766 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.766 INFO [stderr] 
Dec 19 22:08:06.777 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 19 22:08:06.777 INFO [stderr]   --> src/main.rs:11:5
Dec 19 22:08:06.777 INFO [stderr]    |
Dec 19 22:08:06.777 INFO [stderr] 11 | use std::collections::HashSet;
Dec 19 22:08:06.777 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.777 INFO [stderr]    |
Dec 19 22:08:06.777 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 22:08:06.777 INFO [stderr] 
Dec 19 22:08:06.777 INFO [stderr] warning: unused import: `std::hash::Hash`
Dec 19 22:08:06.777 INFO [stderr]   --> src/main.rs:12:5
Dec 19 22:08:06.777 INFO [stderr]    |
Dec 19 22:08:06.777 INFO [stderr] 12 | use std::hash::Hash;
Dec 19 22:08:06.777 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 22:08:06.777 INFO [stderr] 
Dec 19 22:08:06.777 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 19 22:08:06.777 INFO [stderr]  --> src/day4.rs:2:5
Dec 19 22:08:06.777 INFO [stderr]   |
Dec 19 22:08:06.777 INFO [stderr] 2 | use itertools::Itertools;
Dec 19 22:08:06.777 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.777 INFO [stderr] 
Dec 19 22:08:06.777 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 22:08:06.777 INFO [stderr]  --> src/day4.rs:3:5
Dec 19 22:08:06.777 INFO [stderr]   |
Dec 19 22:08:06.777 INFO [stderr] 3 | use std::cmp::Ordering;
Dec 19 22:08:06.777 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.777 INFO [stderr] 
Dec 19 22:08:06.777 INFO [stderr] warning: unused import: `chrono::prelude::*`
Dec 19 22:08:06.777 INFO [stderr]  --> src/day5.rs:1:5
Dec 19 22:08:06.777 INFO [stderr]   |
Dec 19 22:08:06.777 INFO [stderr] 1 | use chrono::prelude::*;
Dec 19 22:08:06.777 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.777 INFO [stderr] 
Dec 19 22:08:06.777 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 19 22:08:06.777 INFO [stderr]  --> src/day5.rs:2:5
Dec 19 22:08:06.777 INFO [stderr]   |
Dec 19 22:08:06.777 INFO [stderr] 2 | use itertools::Itertools;
Dec 19 22:08:06.777 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.777 INFO [stderr] 
Dec 19 22:08:06.777 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 22:08:06.777 INFO [stderr]  --> src/day5.rs:3:5
Dec 19 22:08:06.777 INFO [stderr]   |
Dec 19 22:08:06.777 INFO [stderr] 3 | use std::cmp::Ordering;
Dec 19 22:08:06.777 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.777 INFO [stderr] 
Dec 19 22:08:06.777 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 22:08:06.777 INFO [stderr]   --> src/day5.rs:56:27
Dec 19 22:08:06.777 INFO [stderr]    |
Dec 19 22:08:06.777 INFO [stderr] 56 |                   } else if (ascii_int as u8 as char == character.to_ascii_uppercase()
Dec 19 22:08:06.777 INFO [stderr]    |  ___________________________^
Dec 19 22:08:06.777 INFO [stderr] 57 | |                     || ascii_int as u8 as char == character.to_ascii_lowercase())
Dec 19 22:08:06.777 INFO [stderr]    | |_________________________________________________________________________________^
Dec 19 22:08:06.777 INFO [stderr]    |
Dec 19 22:08:06.777 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 22:08:06.777 INFO [stderr] help: remove these parentheses
Dec 19 22:08:06.777 INFO [stderr]    |
Dec 19 22:08:06.777 INFO [stderr] 56 |                 } else if ascii_int as u8 as char == character.to_ascii_uppercase()
Dec 19 22:08:06.777 INFO [stderr] 57 |                     || ascii_int as u8 as char == character.to_ascii_lowercase()
Dec 19 22:08:06.777 INFO [stderr]    |
Dec 19 22:08:06.777 INFO [stderr] 
Dec 19 22:08:06.777 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 22:08:06.777 INFO [stderr]   --> src/day5.rs:60:27
Dec 19 22:08:06.777 INFO [stderr]    |
Dec 19 22:08:06.777 INFO [stderr] 60 |                   } else if (match left_vec.last() {
Dec 19 22:08:06.777 INFO [stderr]    |  ___________________________^
Dec 19 22:08:06.777 INFO [stderr] 61 | |                     Some(x) => {
Dec 19 22:08:06.777 INFO [stderr] 62 | |                         (x.is_ascii_uppercase()
Dec 19 22:08:06.777 INFO [stderr] 63 | |                             && character.is_ascii_lowercase()
Dec 19 22:08:06.777 INFO [stderr] ...  |
Dec 19 22:08:06.777 INFO [stderr] 69 | |                     None => false,
Dec 19 22:08:06.777 INFO [stderr] 70 | |                 }) {
Dec 19 22:08:06.778 INFO [stderr]    | |__________________^
Dec 19 22:08:06.778 INFO [stderr] help: remove these parentheses
Dec 19 22:08:06.778 INFO [stderr]    |
Dec 19 22:08:06.778 INFO [stderr] 60 |                 } else if match left_vec.last() {
Dec 19 22:08:06.778 INFO [stderr] 61 |                     Some(x) => {
Dec 19 22:08:06.778 INFO [stderr] 62 |                         (x.is_ascii_uppercase()
Dec 19 22:08:06.778 INFO [stderr] 63 |                             && character.is_ascii_lowercase()
Dec 19 22:08:06.778 INFO [stderr] 64 |                             && character.to_ascii_uppercase() == *x
Dec 19 22:08:06.778 INFO [stderr] 65 |                             || (left_vec.last().unwrap().is_ascii_lowercase()
Dec 19 22:08:06.778 INFO [stderr]  ...
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused import: `chrono::prelude::*`
Dec 19 22:08:06.778 INFO [stderr]  --> src/day6.rs:1:5
Dec 19 22:08:06.778 INFO [stderr]   |
Dec 19 22:08:06.778 INFO [stderr] 1 | use chrono::prelude::*;
Dec 19 22:08:06.778 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 22:08:06.778 INFO [stderr]  --> src/day6.rs:3:5
Dec 19 22:08:06.778 INFO [stderr]   |
Dec 19 22:08:06.778 INFO [stderr] 3 | use std::cmp::Ordering;
Dec 19 22:08:06.778 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused import: `petgraph::EdgeType`
Dec 19 22:08:06.778 INFO [stderr]  --> src/day7.rs:3:5
Dec 19 22:08:06.778 INFO [stderr]   |
Dec 19 22:08:06.778 INFO [stderr] 3 | use petgraph::EdgeType;
Dec 19 22:08:06.778 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused imports: `dominators`, `has_path_connecting`, `is_cyclic_undirected`, `is_isomorphic_matching`, `min_spanning_tree`
Dec 19 22:08:06.778 INFO [stderr]   --> src/day7.rs:14:5
Dec 19 22:08:06.778 INFO [stderr]    |
Dec 19 22:08:06.778 INFO [stderr] 14 |     dominators, has_path_connecting, is_cyclic_undirected, is_isomorphic_matching,
Dec 19 22:08:06.778 INFO [stderr]    |     ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 15 |     min_spanning_tree,
Dec 19 22:08:06.778 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused import: `petgraph::graph::node_index as n`
Dec 19 22:08:06.778 INFO [stderr]   --> src/day7.rs:18:5
Dec 19 22:08:06.778 INFO [stderr]    |
Dec 19 22:08:06.778 INFO [stderr] 18 | use petgraph::graph::node_index as n;
Dec 19 22:08:06.778 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused imports: `DfsSpace`, `astar`, `dijkstra`
Dec 19 22:08:06.778 INFO [stderr]   --> src/day7.rs:21:22
Dec 19 22:08:06.778 INFO [stderr]    |
Dec 19 22:08:06.778 INFO [stderr] 21 | use petgraph::algo::{astar, dijkstra, DfsSpace};
Dec 19 22:08:06.778 INFO [stderr]    |                      ^^^^^  ^^^^^^^^  ^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused imports: `IntoNodeIdentifiers`, `NodeFiltered`, `Reversed`, `Topo`, `VisitMap`, `Walker`
Dec 19 22:08:06.778 INFO [stderr]   --> src/day7.rs:23:20
Dec 19 22:08:06.778 INFO [stderr]    |
Dec 19 22:08:06.778 INFO [stderr] 23 |     IntoNeighbors, IntoNodeIdentifiers, NodeFiltered, Reversed, Topo, VisitMap, Walker,
Dec 19 22:08:06.778 INFO [stderr]    |                    ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^  ^^^^  ^^^^^^^^  ^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused import: `petgraph::dot::Dot`
Dec 19 22:08:06.778 INFO [stderr]   --> src/day7.rs:26:5
Dec 19 22:08:06.778 INFO [stderr]    |
Dec 19 22:08:06.778 INFO [stderr] 26 | use petgraph::dot::Dot;
Dec 19 22:08:06.778 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 19 22:08:06.778 INFO [stderr]   --> src/day7.rs:28:5
Dec 19 22:08:06.778 INFO [stderr]    |
Dec 19 22:08:06.778 INFO [stderr] 28 | use std::collections::HashSet;
Dec 19 22:08:06.778 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused import: `std::hash::Hash`
Dec 19 22:08:06.778 INFO [stderr]   --> src/day7.rs:29:5
Dec 19 22:08:06.778 INFO [stderr]    |
Dec 19 22:08:06.778 INFO [stderr] 29 | use std::hash::Hash;
Dec 19 22:08:06.778 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:06.778 INFO [stderr] warning: unused import: `petgraph::prelude::*`
Dec 19 22:08:06.778 INFO [stderr]   --> src/day7.rs:31:5
Dec 19 22:08:06.778 INFO [stderr]    |
Dec 19 22:08:06.778 INFO [stderr] 31 | use petgraph::prelude::*;
Dec 19 22:08:06.778 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:06.778 INFO [stderr] 
Dec 19 22:08:07.211 INFO [stderr] warning: unused import: `petgraph::graph::IndexType`
Dec 19 22:08:07.211 INFO [stderr]   --> src/day7.rs:19:5
Dec 19 22:08:07.211 INFO [stderr]    |
Dec 19 22:08:07.211 INFO [stderr] 19 | use petgraph::graph::IndexType;
Dec 19 22:08:07.211 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:07.211 INFO [stderr] 
Dec 19 22:08:07.211 INFO [stderr] warning: unused import: `IntoNeighbors`
Dec 19 22:08:07.211 INFO [stderr]   --> src/day7.rs:23:5
Dec 19 22:08:07.211 INFO [stderr]    |
Dec 19 22:08:07.211 INFO [stderr] 23 |     IntoNeighbors, IntoNodeIdentifiers, NodeFiltered, Reversed, Topo, VisitMap, Walker,
Dec 19 22:08:07.211 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 22:08:07.211 INFO [stderr] 
Dec 19 22:08:07.235 INFO [stderr] warning: unused variable: `k`
Dec 19 22:08:07.235 INFO [stderr]    --> src/day6.rs:186:42
Dec 19 22:08:07.235 INFO [stderr]     |
Dec 19 22:08:07.235 INFO [stderr] 186 |     Ok(match index_sizes.iter().max_by(|(k, v), (a, b)| v.cmp(a)) {
Dec 19 22:08:07.235 INFO [stderr]     |                                          ^ help: consider using `_k` instead
Dec 19 22:08:07.236 INFO [stderr]     |
Dec 19 22:08:07.236 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 22:08:07.236 INFO [stderr] 
Dec 19 22:08:07.236 INFO [stderr] warning: unused variable: `b`
Dec 19 22:08:07.236 INFO [stderr]    --> src/day6.rs:186:53
Dec 19 22:08:07.236 INFO [stderr]     |
Dec 19 22:08:07.236 INFO [stderr] 186 |     Ok(match index_sizes.iter().max_by(|(k, v), (a, b)| v.cmp(a)) {
Dec 19 22:08:07.236 INFO [stderr]     |                                                     ^ help: consider using `_b` instead
Dec 19 22:08:07.236 INFO [stderr] 
Dec 19 22:08:07.237 INFO [stderr] warning: unused variable: `f`
Dec 19 22:08:07.237 INFO [stderr]    --> src/day7.rs:128:9
Dec 19 22:08:07.237 INFO [stderr]     |
Dec 19 22:08:07.237 INFO [stderr] 128 |     let f = BufReader::new(f);
Dec 19 22:08:07.237 INFO [stderr]     |         ^ help: consider using `_f` instead
Dec 19 22:08:07.237 INFO [stderr] 
Dec 19 22:08:07.416 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:08:07.416 INFO [stderr]   --> src/day6.rs:40:9
Dec 19 22:08:07.416 INFO [stderr]    |
Dec 19 22:08:07.416 INFO [stderr] 40 |     let mut ring = 0;
Dec 19 22:08:07.416 INFO [stderr]    |         ----^^^^
Dec 19 22:08:07.416 INFO [stderr]    |         |
Dec 19 22:08:07.416 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:08:07.416 INFO [stderr]    |
Dec 19 22:08:07.416 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:08:07.416 INFO [stderr] 
Dec 19 22:08:07.444 INFO [stderr] warning: function is never used: `part1_wavefront`
Dec 19 22:08:07.444 INFO [stderr]   --> src/day6.rs:13:1
Dec 19 22:08:07.444 INFO [stderr]    |
Dec 19 22:08:07.444 INFO [stderr] 13 | pub fn part1_wavefront() -> Result<u32, Error> {
Dec 19 22:08:07.444 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:07.444 INFO [stderr]    |
Dec 19 22:08:07.444 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 22:08:07.444 INFO [stderr] 
Dec 19 22:08:07.444 INFO [stderr] warning: unused attribute
Dec 19 22:08:07.444 INFO [stderr]  --> src/day7.rs:1:1
Dec 19 22:08:07.444 INFO [stderr]   |
Dec 19 22:08:07.444 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 19 22:08:07.444 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:07.444 INFO [stderr]   |
Dec 19 22:08:07.444 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 19 22:08:07.444 INFO [stderr] 
Dec 19 22:08:07.444 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 22:08:07.444 INFO [stderr]  --> src/day7.rs:1:1
Dec 19 22:08:07.444 INFO [stderr]   |
Dec 19 22:08:07.444 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 19 22:08:07.444 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:07.444 INFO [stderr] 
Dec 19 22:08:07.548 INFO [stderr] warning: unused import: `petgraph::graph::IndexType`
Dec 19 22:08:07.548 INFO [stderr]   --> src/day7.rs:19:5
Dec 19 22:08:07.548 INFO [stderr]    |
Dec 19 22:08:07.548 INFO [stderr] 19 | use petgraph::graph::IndexType;
Dec 19 22:08:07.548 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:07.548 INFO [stderr] 
Dec 19 22:08:07.548 INFO [stderr] warning: unused import: `IntoNeighbors`
Dec 19 22:08:07.548 INFO [stderr]   --> src/day7.rs:23:5
Dec 19 22:08:07.548 INFO [stderr]    |
Dec 19 22:08:07.548 INFO [stderr] 23 |     IntoNeighbors, IntoNodeIdentifiers, NodeFiltered, Reversed, Topo, VisitMap, Walker,
Dec 19 22:08:07.548 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 22:08:07.548 INFO [stderr] 
Dec 19 22:08:07.570 INFO [stderr] warning: unused variable: `k`
Dec 19 22:08:07.570 INFO [stderr]    --> src/day6.rs:186:42
Dec 19 22:08:07.570 INFO [stderr]     |
Dec 19 22:08:07.570 INFO [stderr] 186 |     Ok(match index_sizes.iter().max_by(|(k, v), (a, b)| v.cmp(a)) {
Dec 19 22:08:07.570 INFO [stderr]     |                                          ^ help: consider using `_k` instead
Dec 19 22:08:07.570 INFO [stderr]     |
Dec 19 22:08:07.570 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 22:08:07.570 INFO [stderr] 
Dec 19 22:08:07.570 INFO [stderr] warning: unused variable: `b`
Dec 19 22:08:07.570 INFO [stderr]    --> src/day6.rs:186:53
Dec 19 22:08:07.570 INFO [stderr]     |
Dec 19 22:08:07.570 INFO [stderr] 186 |     Ok(match index_sizes.iter().max_by(|(k, v), (a, b)| v.cmp(a)) {
Dec 19 22:08:07.570 INFO [stderr]     |                                                     ^ help: consider using `_b` instead
Dec 19 22:08:07.570 INFO [stderr] 
Dec 19 22:08:07.572 INFO [stderr] warning: unused variable: `f`
Dec 19 22:08:07.572 INFO [stderr]    --> src/day7.rs:128:9
Dec 19 22:08:07.572 INFO [stderr]     |
Dec 19 22:08:07.572 INFO [stderr] 128 |     let f = BufReader::new(f);
Dec 19 22:08:07.572 INFO [stderr]     |         ^ help: consider using `_f` instead
Dec 19 22:08:07.572 INFO [stderr] 
Dec 19 22:08:07.732 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:08:07.732 INFO [stderr]   --> src/day6.rs:40:9
Dec 19 22:08:07.732 INFO [stderr]    |
Dec 19 22:08:07.732 INFO [stderr] 40 |     let mut ring = 0;
Dec 19 22:08:07.732 INFO [stderr]    |         ----^^^^
Dec 19 22:08:07.732 INFO [stderr]    |         |
Dec 19 22:08:07.732 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:08:07.732 INFO [stderr]    |
Dec 19 22:08:07.732 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:08:07.732 INFO [stderr] 
Dec 19 22:08:07.768 INFO [stderr] warning: function is never used: `part1_wavefront`
Dec 19 22:08:07.768 INFO [stderr]   --> src/day6.rs:13:1
Dec 19 22:08:07.768 INFO [stderr]    |
Dec 19 22:08:07.768 INFO [stderr] 13 | pub fn part1_wavefront() -> Result<u32, Error> {
Dec 19 22:08:07.768 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:07.768 INFO [stderr]    |
Dec 19 22:08:07.768 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 22:08:07.768 INFO [stderr] 
Dec 19 22:08:07.776 INFO [stderr] warning: unused attribute
Dec 19 22:08:07.776 INFO [stderr]  --> src/day7.rs:1:1
Dec 19 22:08:07.776 INFO [stderr]   |
Dec 19 22:08:07.776 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 19 22:08:07.776 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:07.776 INFO [stderr]   |
Dec 19 22:08:07.776 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 19 22:08:07.776 INFO [stderr] 
Dec 19 22:08:07.776 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 22:08:07.776 INFO [stderr]  --> src/day7.rs:1:1
Dec 19 22:08:07.776 INFO [stderr]   |
Dec 19 22:08:07.776 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 19 22:08:07.776 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:08:07.776 INFO [stderr] 
Dec 19 22:08:07.829 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
Dec 19 22:08:08.761 INFO running `"docker" "inspect" "2e40542f753ebad28ff648a91d7382b3e56de1da933ecdf7833b0c9426e17c3d"`
Dec 19 22:08:09.154 INFO running `"docker" "rm" "-f" "2e40542f753ebad28ff648a91d7382b3e56de1da933ecdf7833b0c9426e17c3d"`
Dec 19 22:08:09.484 INFO [stdout] 2e40542f753ebad28ff648a91d7382b3e56de1da933ecdf7833b0c9426e17c3d