Dec 18 07:36:47.142 INFO checking FredericDesgreniers/advent_of_code_rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:36:47.142 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/FredericDesgreniers/advent_of_code_rs:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:36:47.777 INFO [stdout] 7696ec9dc55a50cf8f5252bcd61010cd1557f7c631be363eb8c9cb2a79bd6379
Dec 18 07:36:47.779 INFO running `"docker" "start" "-a" "7696ec9dc55a50cf8f5252bcd61010cd1557f7c631be363eb8c9cb2a79bd6379"`
Dec 18 07:36:50.232 INFO [stderr]     Checking rand v0.6.1
Dec 18 07:36:52.787 INFO [stderr]     Checking advent_of_code v0.1.0 (/opt/crater/workdir)
Dec 18 07:36:53.326 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 07:36:53.326 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 07:36:53.326 INFO [stderr]   |
Dec 18 07:36:53.326 INFO [stderr] 1 | #[macro_use]
Dec 18 07:36:53.326 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 07:36:53.326 INFO [stderr]   |
Dec 18 07:36:53.326 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:36:53.326 INFO [stderr] 
Dec 18 07:36:53.326 INFO [stderr] warning: unused imports: `Repeat`, `SetParameter`
Dec 18 07:36:53.326 INFO [stderr]  --> src/lib.rs:7:20
Dec 18 07:36:53.326 INFO [stderr]   |
Dec 18 07:36:53.326 INFO [stderr] 7 | use gif::{Encoder, Repeat, SetParameter};
Dec 18 07:36:53.326 INFO [stderr]   |                    ^^^^^^  ^^^^^^^^^^^^
Dec 18 07:36:53.326 INFO [stderr] 
Dec 18 07:36:53.326 INFO [stderr] warning: unused import: `rusttype::Point`
Dec 18 07:36:53.326 INFO [stderr]   --> src/lib.rs:10:5
Dec 18 07:36:53.326 INFO [stderr]    |
Dec 18 07:36:53.326 INFO [stderr] 10 | use rusttype::Point;
Dec 18 07:36:53.326 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 07:36:53.336 INFO [stderr] 
Dec 18 07:36:53.337 INFO [stderr] warning: unused import: `std::ops::Index`
Dec 18 07:36:53.337 INFO [stderr]   --> src/lib.rs:16:5
Dec 18 07:36:53.337 INFO [stderr]    |
Dec 18 07:36:53.337 INFO [stderr] 16 | use std::ops::Index;
Dec 18 07:36:53.338 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 07:36:53.338 INFO [stderr] 
Dec 18 07:36:53.376 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 07:36:53.376 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 07:36:53.376 INFO [stderr]   |
Dec 18 07:36:53.377 INFO [stderr] 1 | #[macro_use]
Dec 18 07:36:53.377 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 07:36:53.377 INFO [stderr]   |
Dec 18 07:36:53.377 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:36:53.378 INFO [stderr] 
Dec 18 07:36:53.378 INFO [stderr] warning: unused imports: `Repeat`, `SetParameter`
Dec 18 07:36:53.378 INFO [stderr]  --> src/lib.rs:7:20
Dec 18 07:36:53.378 INFO [stderr]   |
Dec 18 07:36:53.379 INFO [stderr] 7 | use gif::{Encoder, Repeat, SetParameter};
Dec 18 07:36:53.379 INFO [stderr]   |                    ^^^^^^  ^^^^^^^^^^^^
Dec 18 07:36:53.379 INFO [stderr] 
Dec 18 07:36:53.379 INFO [stderr] warning: unused import: `rusttype::Point`
Dec 18 07:36:53.379 INFO [stderr]   --> src/lib.rs:10:5
Dec 18 07:36:53.380 INFO [stderr]    |
Dec 18 07:36:53.380 INFO [stderr] 10 | use rusttype::Point;
Dec 18 07:36:53.380 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 07:36:53.380 INFO [stderr] 
Dec 18 07:36:53.380 INFO [stderr] warning: unused import: `std::ops::Index`
Dec 18 07:36:53.380 INFO [stderr]   --> src/lib.rs:16:5
Dec 18 07:36:53.380 INFO [stderr]    |
Dec 18 07:36:53.380 INFO [stderr] 16 | use std::ops::Index;
Dec 18 07:36:53.380 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 07:36:53.380 INFO [stderr] 
Dec 18 07:36:54.836 INFO [stderr] warning: unused import: `num_traits::real::Real`
Dec 18 07:36:54.836 INFO [stderr]  --> src/bin/day6.rs:2:5
Dec 18 07:36:54.836 INFO [stderr]   |
Dec 18 07:36:54.836 INFO [stderr] 2 | use num_traits::real::Real;
Dec 18 07:36:54.836 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:36:54.836 INFO [stderr]   |
Dec 18 07:36:54.836 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:36:54.836 INFO [stderr] 
Dec 18 07:36:54.944 INFO [stderr] warning: unused import: `num_traits::real::Real`
Dec 18 07:36:54.944 INFO [stderr]  --> src/bin/day5.rs:2:5
Dec 18 07:36:54.944 INFO [stderr]   |
Dec 18 07:36:54.944 INFO [stderr] 2 | use num_traits::real::Real;
Dec 18 07:36:54.944 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:36:54.944 INFO [stderr]   |
Dec 18 07:36:54.944 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:36:54.944 INFO [stderr] 
Dec 18 07:36:54.946 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:36:54.946 INFO [stderr]  --> src/bin/day5.rs:7:6
Dec 18 07:36:54.946 INFO [stderr]   |
Dec 18 07:36:54.946 INFO [stderr] 7 |     let mut input = INPUT.chars().filter(|c| c.is_alphabetic()).collect_vec();
Dec 18 07:36:54.946 INFO [stderr]   |         ----^^^^^
Dec 18 07:36:54.946 INFO [stderr]   |         |
Dec 18 07:36:54.946 INFO [stderr]   |         help: remove this `mut`
Dec 18 07:36:54.946 INFO [stderr]   |
Dec 18 07:36:54.946 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 07:36:54.946 INFO [stderr] 
Dec 18 07:36:54.947 INFO [stderr] warning: variable `bestLen` should have a snake case name such as `best_len`
Dec 18 07:36:54.947 INFO [stderr]   --> src/bin/day5.rs:11:6
Dec 18 07:36:54.947 INFO [stderr]    |
Dec 18 07:36:54.947 INFO [stderr] 11 |     let mut bestLen = ::std::usize::MAX;
Dec 18 07:36:54.947 INFO [stderr]    |         ^^^^^^^^^^^
Dec 18 07:36:54.947 INFO [stderr]    |
Dec 18 07:36:54.947 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 07:36:54.947 INFO [stderr] 
Dec 18 07:36:54.947 INFO [stderr] warning: variable `leftC` should have a snake case name such as `left_c`
Dec 18 07:36:54.947 INFO [stderr]   --> src/bin/day5.rs:21:8
Dec 18 07:36:54.947 INFO [stderr]    |
Dec 18 07:36:54.947 INFO [stderr] 21 |             let leftC = input[i];
Dec 18 07:36:54.947 INFO [stderr]    |                 ^^^^^
Dec 18 07:36:54.947 INFO [stderr] 
Dec 18 07:36:54.947 INFO [stderr] warning: variable `rightC` should have a snake case name such as `right_c`
Dec 18 07:36:54.947 INFO [stderr]   --> src/bin/day5.rs:22:8
Dec 18 07:36:54.947 INFO [stderr]    |
Dec 18 07:36:54.947 INFO [stderr] 22 |             let rightC = input[i + 1];
Dec 18 07:36:54.948 INFO [stderr]    |                 ^^^^^^
Dec 18 07:36:54.948 INFO [stderr] 
Dec 18 07:36:56.143 INFO [stderr] warning: unused import: `gif::Encoder`
Dec 18 07:36:56.143 INFO [stderr]  --> src/bin/day3.rs:5:5
Dec 18 07:36:56.143 INFO [stderr]   |
Dec 18 07:36:56.143 INFO [stderr] 5 | use gif::Encoder;
Dec 18 07:36:56.143 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 07:36:56.143 INFO [stderr]   |
Dec 18 07:36:56.143 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:36:56.143 INFO [stderr] 
Dec 18 07:36:56.143 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 18 07:36:56.143 INFO [stderr]  --> src/bin/day3.rs:9:5
Dec 18 07:36:56.143 INFO [stderr]   |
Dec 18 07:36:56.143 INFO [stderr] 9 | use std::borrow::Cow;
Dec 18 07:36:56.143 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 07:36:56.143 INFO [stderr] 
Dec 18 07:36:56.192 INFO [stderr] warning: unused import: `num_traits::real::Real`
Dec 18 07:36:56.192 INFO [stderr]  --> src/bin/day5.rs:2:5
Dec 18 07:36:56.192 INFO [stderr]   |
Dec 18 07:36:56.192 INFO [stderr] 2 | use num_traits::real::Real;
Dec 18 07:36:56.192 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:36:56.192 INFO [stderr]   |
Dec 18 07:36:56.192 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:36:56.192 INFO [stderr] 
Dec 18 07:36:56.200 INFO [stderr] warning: unused import: `gif::Encoder`
Dec 18 07:36:56.200 INFO [stderr]  --> src/bin/day3.rs:5:5
Dec 18 07:36:56.200 INFO [stderr]   |
Dec 18 07:36:56.200 INFO [stderr] 5 | use gif::Encoder;
Dec 18 07:36:56.200 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 07:36:56.204 INFO [stderr]   |
Dec 18 07:36:56.204 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:36:56.204 INFO [stderr] 
Dec 18 07:36:56.204 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 18 07:36:56.204 INFO [stderr]  --> src/bin/day3.rs:9:5
Dec 18 07:36:56.204 INFO [stderr]   |
Dec 18 07:36:56.204 INFO [stderr] 9 | use std::borrow::Cow;
Dec 18 07:36:56.204 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 07:36:56.204 INFO [stderr] 
Dec 18 07:36:56.224 INFO [stderr] warning: unused import: `num_traits::real::Real`
Dec 18 07:36:56.224 INFO [stderr]  --> src/bin/day6.rs:2:5
Dec 18 07:36:56.224 INFO [stderr]   |
Dec 18 07:36:56.224 INFO [stderr] 2 | use num_traits::real::Real;
Dec 18 07:36:56.224 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:36:56.224 INFO [stderr]   |
Dec 18 07:36:56.224 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:36:56.224 INFO [stderr] 
Dec 18 07:36:56.240 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:36:56.240 INFO [stderr]  --> src/bin/day5.rs:7:6
Dec 18 07:36:56.240 INFO [stderr]   |
Dec 18 07:36:56.240 INFO [stderr] 7 |     let mut input = INPUT.chars().filter(|c| c.is_alphabetic()).collect_vec();
Dec 18 07:36:56.240 INFO [stderr]   |         ----^^^^^
Dec 18 07:36:56.240 INFO [stderr]   |         |
Dec 18 07:36:56.240 INFO [stderr]   |         help: remove this `mut`
Dec 18 07:36:56.240 INFO [stderr]   |
Dec 18 07:36:56.240 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 07:36:56.240 INFO [stderr] 
Dec 18 07:36:56.240 INFO [stderr] warning: variable `bestLen` should have a snake case name such as `best_len`
Dec 18 07:36:56.240 INFO [stderr]   --> src/bin/day5.rs:11:6
Dec 18 07:36:56.240 INFO [stderr]    |
Dec 18 07:36:56.240 INFO [stderr] 11 |     let mut bestLen = ::std::usize::MAX;
Dec 18 07:36:56.240 INFO [stderr]    |         ^^^^^^^^^^^
Dec 18 07:36:56.240 INFO [stderr]    |
Dec 18 07:36:56.240 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 07:36:56.240 INFO [stderr] 
Dec 18 07:36:56.240 INFO [stderr] warning: variable `leftC` should have a snake case name such as `left_c`
Dec 18 07:36:56.240 INFO [stderr]   --> src/bin/day5.rs:21:8
Dec 18 07:36:56.240 INFO [stderr]    |
Dec 18 07:36:56.240 INFO [stderr] 21 |             let leftC = input[i];
Dec 18 07:36:56.240 INFO [stderr]    |                 ^^^^^
Dec 18 07:36:56.240 INFO [stderr] 
Dec 18 07:36:56.240 INFO [stderr] warning: variable `rightC` should have a snake case name such as `right_c`
Dec 18 07:36:56.240 INFO [stderr]   --> src/bin/day5.rs:22:8
Dec 18 07:36:56.240 INFO [stderr]    |
Dec 18 07:36:56.240 INFO [stderr] 22 |             let rightC = input[i + 1];
Dec 18 07:36:56.240 INFO [stderr]    |                 ^^^^^^
Dec 18 07:36:56.240 INFO [stderr] 
Dec 18 07:36:56.286 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:36:56.286 INFO [stderr]   --> src/bin/day4.rs:25:9
Dec 18 07:36:56.286 INFO [stderr]    |
Dec 18 07:36:56.286 INFO [stderr] 25 |     let mut inputs = INPUT
Dec 18 07:36:56.286 INFO [stderr]    |         ----^^^^^^
Dec 18 07:36:56.286 INFO [stderr]    |         |
Dec 18 07:36:56.286 INFO [stderr]    |         help: remove this `mut`
Dec 18 07:36:56.286 INFO [stderr]    |
Dec 18 07:36:56.286 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:36:56.286 INFO [stderr] 
Dec 18 07:36:56.500 INFO [stderr] warning: unused variable: `update_info`
Dec 18 07:36:56.500 INFO [stderr]    --> src/bin/day3.rs:102:17
Dec 18 07:36:56.500 INFO [stderr]     |
Dec 18 07:36:56.500 INFO [stderr] 102 |         let mut update_info = false;
Dec 18 07:36:56.500 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_update_info` instead
Dec 18 07:36:56.500 INFO [stderr]     |
Dec 18 07:36:56.500 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 07:36:56.500 INFO [stderr] 
Dec 18 07:36:56.510 INFO [stderr] warning: unused variable: `i`
Dec 18 07:36:56.510 INFO [stderr]   --> src/bin/day7.rs:81:8
Dec 18 07:36:56.511 INFO [stderr]    |
Dec 18 07:36:56.511 INFO [stderr] 81 |         for (i, worker) in &mut workers.iter_mut().enumerate() {
Dec 18 07:36:56.511 INFO [stderr]    |              ^ help: consider using `_i` instead
Dec 18 07:36:56.516 INFO [stderr]    |
Dec 18 07:36:56.516 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:36:56.516 INFO [stderr] 
Dec 18 07:36:56.556 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:36:56.556 INFO [stderr]   --> src/bin/day3.rs:47:9
Dec 18 07:36:56.556 INFO [stderr]    |
Dec 18 07:36:56.556 INFO [stderr] 47 |     let mut image = File::create("day3_timelapse.gif").unwrap();
Dec 18 07:36:56.556 INFO [stderr]    |         ----^^^^^
Dec 18 07:36:56.556 INFO [stderr]    |         |
Dec 18 07:36:56.556 INFO [stderr]    |         help: remove this `mut`
Dec 18 07:36:56.556 INFO [stderr]    |
Dec 18 07:36:56.556 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:36:56.556 INFO [stderr] 
Dec 18 07:36:56.556 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:36:56.556 INFO [stderr]    --> src/bin/day3.rs:102:13
Dec 18 07:36:56.556 INFO [stderr]     |
Dec 18 07:36:56.556 INFO [stderr] 102 |         let mut update_info = false;
Dec 18 07:36:56.556 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 18 07:36:56.556 INFO [stderr]     |             |
Dec 18 07:36:56.556 INFO [stderr]     |             help: remove this `mut`
Dec 18 07:36:56.556 INFO [stderr] 
Dec 18 07:36:56.805 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:36:56.805 INFO [stderr]   --> src/bin/day4.rs:25:9
Dec 18 07:36:56.805 INFO [stderr]    |
Dec 18 07:36:56.805 INFO [stderr] 25 |     let mut inputs = INPUT
Dec 18 07:36:56.805 INFO [stderr]    |         ----^^^^^^
Dec 18 07:36:56.805 INFO [stderr]    |         |
Dec 18 07:36:56.805 INFO [stderr]    |         help: remove this `mut`
Dec 18 07:36:56.805 INFO [stderr]    |
Dec 18 07:36:56.805 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:36:56.805 INFO [stderr] 
Dec 18 07:36:56.822 INFO [stderr] warning: unused variable: `update_info`
Dec 18 07:36:56.822 INFO [stderr]    --> src/bin/day3.rs:102:17
Dec 18 07:36:56.822 INFO [stderr]     |
Dec 18 07:36:56.822 INFO [stderr] 102 |         let mut update_info = false;
Dec 18 07:36:56.822 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_update_info` instead
Dec 18 07:36:56.822 INFO [stderr]     |
Dec 18 07:36:56.822 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 07:36:56.822 INFO [stderr] 
Dec 18 07:36:56.841 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:36:56.841 INFO [stderr]   --> src/bin/day3.rs:47:9
Dec 18 07:36:56.841 INFO [stderr]    |
Dec 18 07:36:56.841 INFO [stderr] 47 |     let mut image = File::create("day3_timelapse.gif").unwrap();
Dec 18 07:36:56.841 INFO [stderr]    |         ----^^^^^
Dec 18 07:36:56.841 INFO [stderr]    |         |
Dec 18 07:36:56.841 INFO [stderr]    |         help: remove this `mut`
Dec 18 07:36:56.841 INFO [stderr]    |
Dec 18 07:36:56.841 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:36:56.841 INFO [stderr] 
Dec 18 07:36:56.841 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:36:56.841 INFO [stderr]    --> src/bin/day3.rs:102:13
Dec 18 07:36:56.841 INFO [stderr]     |
Dec 18 07:36:56.841 INFO [stderr] 102 |         let mut update_info = false;
Dec 18 07:36:56.841 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 18 07:36:56.841 INFO [stderr]     |             |
Dec 18 07:36:56.841 INFO [stderr]     |             help: remove this `mut`
Dec 18 07:36:56.841 INFO [stderr] 
Dec 18 07:36:56.976 INFO [stderr] warning: unused variable: `i`
Dec 18 07:36:56.976 INFO [stderr]   --> src/bin/day7.rs:81:8
Dec 18 07:36:56.976 INFO [stderr]    |
Dec 18 07:36:56.976 INFO [stderr] 81 |         for (i, worker) in &mut workers.iter_mut().enumerate() {
Dec 18 07:36:56.976 INFO [stderr]    |              ^ help: consider using `_i` instead
Dec 18 07:36:56.976 INFO [stderr]    |
Dec 18 07:36:56.976 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:36:56.976 INFO [stderr] 
Dec 18 07:36:57.116 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
Dec 18 07:36:57.836 INFO running `"docker" "inspect" "7696ec9dc55a50cf8f5252bcd61010cd1557f7c631be363eb8c9cb2a79bd6379"`
Dec 18 07:36:58.050 INFO running `"docker" "rm" "-f" "7696ec9dc55a50cf8f5252bcd61010cd1557f7c631be363eb8c9cb2a79bd6379"`
Dec 18 07:36:58.392 INFO [stdout] 7696ec9dc55a50cf8f5252bcd61010cd1557f7c631be363eb8c9cb2a79bd6379