Oct 21 13:50:55.161 INFO checking shiver/aoc2017 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 13:50:55.161 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 21 13:50:55.504 INFO blam! cca34647b8eccc88238f79cfaa37130caed6f8238537800ae23d47ecc2df7a81
Oct 21 13:50:55.512 INFO running `"docker" "start" "-a" "cca34647b8eccc88238f79cfaa37130caed6f8238537800ae23d47ecc2df7a81"`
Oct 21 13:50:56.668 INFO kablam! usermod: no changes
Oct 21 13:50:56.700 INFO kablam!     Checking aoc2017 v0.1.0 (/source)
Oct 21 13:50:56.957 INFO kablam! warning: unused import: `std::iter::FromIterator`
Oct 21 13:50:56.957 INFO kablam!  --> src/main.rs:6:5
Oct 21 13:50:56.957 INFO kablam!   |
Oct 21 13:50:56.957 INFO kablam! 6 | use std::iter::FromIterator;
Oct 21 13:50:56.957 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:50:56.957 INFO kablam!   |
Oct 21 13:50:56.957 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 13:50:56.957 INFO kablam! 
Oct 21 13:50:57.121 INFO kablam! warning: unused variable: `i`
Oct 21 13:50:57.121 INFO kablam!    --> src/main.rs:169:13
Oct 21 13:50:57.121 INFO kablam!     |
Oct 21 13:50:57.121 INFO kablam! 169 |         for i in it {
Oct 21 13:50:57.121 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 21 13:50:57.121 INFO kablam!     |
Oct 21 13:50:57.121 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 21 13:50:57.121 INFO kablam! 
Oct 21 13:50:57.136 INFO kablam! warning: unused import: `std::iter::FromIterator`
Oct 21 13:50:57.136 INFO kablam!  --> src/main.rs:6:5
Oct 21 13:50:57.136 INFO kablam!   |
Oct 21 13:50:57.136 INFO kablam! 6 | use std::iter::FromIterator;
Oct 21 13:50:57.136 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:50:57.136 INFO kablam!   |
Oct 21 13:50:57.136 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 13:50:57.136 INFO kablam! 
Oct 21 13:50:57.149 INFO kablam! warning: variable does not need to be mutable
Oct 21 13:50:57.149 INFO kablam!    --> src/main.rs:158:9
Oct 21 13:50:57.149 INFO kablam!     |
Oct 21 13:50:57.149 INFO kablam! 158 |     let mut bank: Vec<u32> = input
Oct 21 13:50:57.149 INFO kablam!     |         ----^^^^
Oct 21 13:50:57.149 INFO kablam!     |         |
Oct 21 13:50:57.149 INFO kablam!     |         help: remove this `mut`
Oct 21 13:50:57.149 INFO kablam!     |
Oct 21 13:50:57.149 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 13:50:57.149 INFO kablam! 
Oct 21 13:50:57.149 INFO kablam! warning: variable does not need to be mutable
Oct 21 13:50:57.149 INFO kablam!    --> src/main.rs:166:13
Oct 21 13:50:57.149 INFO kablam!     |
Oct 21 13:50:57.149 INFO kablam! 166 |         let mut bank_idx = bank.binary_search(&largest).unwrap();
Oct 21 13:50:57.149 INFO kablam!     |             ----^^^^^^^^
Oct 21 13:50:57.149 INFO kablam!     |             |
Oct 21 13:50:57.149 INFO kablam!     |             help: remove this `mut`
Oct 21 13:50:57.149 INFO kablam! 
Oct 21 13:50:57.149 INFO kablam! warning: variable does not need to be mutable
Oct 21 13:50:57.149 INFO kablam!    --> src/main.rs:168:13
Oct 21 13:50:57.149 INFO kablam!     |
Oct 21 13:50:57.149 INFO kablam! 168 |         let mut acc = largest;
Oct 21 13:50:57.150 INFO kablam!     |             ----^^^
Oct 21 13:50:57.150 INFO kablam!     |             |
Oct 21 13:50:57.150 INFO kablam!     |             help: remove this `mut`
Oct 21 13:50:57.150 INFO kablam! 
Oct 21 13:50:57.286 INFO kablam! warning: unused variable: `i`
Oct 21 13:50:57.286 INFO kablam!    --> src/main.rs:169:13
Oct 21 13:50:57.286 INFO kablam!     |
Oct 21 13:50:57.286 INFO kablam! 169 |         for i in it {
Oct 21 13:50:57.286 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 21 13:50:57.287 INFO kablam!     |
Oct 21 13:50:57.287 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 21 13:50:57.287 INFO kablam! 
Oct 21 13:50:57.309 INFO kablam! warning: variable does not need to be mutable
Oct 21 13:50:57.309 INFO kablam!    --> src/main.rs:158:9
Oct 21 13:50:57.309 INFO kablam!     |
Oct 21 13:50:57.309 INFO kablam! 158 |     let mut bank: Vec<u32> = input
Oct 21 13:50:57.309 INFO kablam!     |         ----^^^^
Oct 21 13:50:57.309 INFO kablam!     |         |
Oct 21 13:50:57.309 INFO kablam!     |         help: remove this `mut`
Oct 21 13:50:57.309 INFO kablam!     |
Oct 21 13:50:57.309 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 13:50:57.309 INFO kablam! 
Oct 21 13:50:57.309 INFO kablam! warning: variable does not need to be mutable
Oct 21 13:50:57.309 INFO kablam!    --> src/main.rs:166:13
Oct 21 13:50:57.309 INFO kablam!     |
Oct 21 13:50:57.309 INFO kablam! 166 |         let mut bank_idx = bank.binary_search(&largest).unwrap();
Oct 21 13:50:57.309 INFO kablam!     |             ----^^^^^^^^
Oct 21 13:50:57.309 INFO kablam!     |             |
Oct 21 13:50:57.309 INFO kablam!     |             help: remove this `mut`
Oct 21 13:50:57.309 INFO kablam! 
Oct 21 13:50:57.309 INFO kablam! warning: variable does not need to be mutable
Oct 21 13:50:57.309 INFO kablam!    --> src/main.rs:168:13
Oct 21 13:50:57.309 INFO kablam!     |
Oct 21 13:50:57.309 INFO kablam! 168 |         let mut acc = largest;
Oct 21 13:50:57.309 INFO kablam!     |             ----^^^
Oct 21 13:50:57.309 INFO kablam!     |             |
Oct 21 13:50:57.309 INFO kablam!     |             help: remove this `mut`
Oct 21 13:50:57.309 INFO kablam! 
Oct 21 13:50:57.309 INFO kablam! warning: function is never used: `get_input`
Oct 21 13:50:57.309 INFO kablam!  --> src/main.rs:9:1
Oct 21 13:50:57.309 INFO kablam!   |
Oct 21 13:50:57.309 INFO kablam! 9 | fn get_input(filename: &str) -> Result<String, std::io::Error> {
Oct 21 13:50:57.309 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:50:57.309 INFO kablam!   |
Oct 21 13:50:57.309 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 13:50:57.310 INFO kablam! 
Oct 21 13:50:57.310 INFO kablam! warning: function is never used: `inverse_captcha`
Oct 21 13:50:57.310 INFO kablam!   --> src/main.rs:18:1
Oct 21 13:50:57.310 INFO kablam!    |
Oct 21 13:50:57.310 INFO kablam! 18 | / fn inverse_captcha<P>(input: &String, peeker_fn: P) -> u32
Oct 21 13:50:57.310 INFO kablam! 19 | |     where P: Fn(usize, usize) -> usize
Oct 21 13:50:57.310 INFO kablam! 20 | | {
Oct 21 13:50:57.310 INFO kablam! 21 | |     input
Oct 21 13:50:57.310 INFO kablam! ...  |
Oct 21 13:50:57.310 INFO kablam! 42 | |         })
Oct 21 13:50:57.310 INFO kablam! 43 | | }
Oct 21 13:50:57.310 INFO kablam!    | |_^
Oct 21 13:50:57.310 INFO kablam! 
Oct 21 13:50:57.310 INFO kablam! warning: function is never used: `corruption_checksum`
Oct 21 13:50:57.310 INFO kablam!   --> src/main.rs:45:1
Oct 21 13:50:57.310 INFO kablam!    |
Oct 21 13:50:57.310 INFO kablam! 45 | / fn corruption_checksum<P>(input: &str, collector_fn: P) -> u32
Oct 21 13:50:57.310 INFO kablam! 46 | |     where P: Fn(&Vec<u32>, &mut Vec<u32>)
Oct 21 13:50:57.310 INFO kablam! 47 | | {
Oct 21 13:50:57.310 INFO kablam! 48 | |     let mut checksum: Vec<_> = Vec::new();
Oct 21 13:50:57.310 INFO kablam! ...  |
Oct 21 13:50:57.310 INFO kablam! 56 | |     checksum.iter().sum()
Oct 21 13:50:57.310 INFO kablam! 57 | | }
Oct 21 13:50:57.310 INFO kablam!    | |_^
Oct 21 13:50:57.310 INFO kablam! 
Oct 21 13:50:57.310 INFO kablam! warning: function is never used: `spiral_memory`
Oct 21 13:50:57.310 INFO kablam!    --> src/main.rs:59:1
Oct 21 13:50:57.310 INFO kablam!     |
Oct 21 13:50:57.310 INFO kablam! 59  | / fn spiral_memory<P>(input: &str, value_fn: P) -> HashMap<u32, (i32, i32)>
Oct 21 13:50:57.310 INFO kablam! 60  | |     where P: Fn(u32, &HashMap<(i32, i32), u32>, i32, i32) -> u32
Oct 21 13:50:57.310 INFO kablam! 61  | | {
Oct 21 13:50:57.310 INFO kablam! 62  | |     // 1 1 2 2 3 3 4 4
Oct 21 13:50:57.310 INFO kablam! ...   |
Oct 21 13:50:57.310 INFO kablam! 100 | |     value_map
Oct 21 13:50:57.310 INFO kablam! 101 | | }
Oct 21 13:50:57.310 INFO kablam!     | |_^
Oct 21 13:50:57.310 INFO kablam! 
Oct 21 13:50:57.310 INFO kablam! warning: function is never used: `manhatten_distance`
Oct 21 13:50:57.310 INFO kablam!    --> src/main.rs:103:1
Oct 21 13:50:57.310 INFO kablam!     |
Oct 21 13:50:57.310 INFO kablam! 103 | fn manhatten_distance(map: &HashMap<u32, (i32, i32)>, p1: u32, p2: u32) -> i32 {
Oct 21 13:50:57.310 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:50:57.310 INFO kablam! 
Oct 21 13:50:57.310 INFO kablam! warning: function is never used: `high_entropy`
Oct 21 13:50:57.310 INFO kablam!    --> src/main.rs:110:1
Oct 21 13:50:57.310 INFO kablam!     |
Oct 21 13:50:57.310 INFO kablam! 110 | / fn high_entropy<P>(input: &str, mutator_fn: P) -> u32
Oct 21 13:50:57.310 INFO kablam! 111 | |     where P: Fn(&str) -> String
Oct 21 13:50:57.310 INFO kablam! 112 | | {
Oct 21 13:50:57.310 INFO kablam! 113 | |     let mut set = HashSet::new();
Oct 21 13:50:57.310 INFO kablam! ...   |
Oct 21 13:50:57.310 INFO kablam! 132 | |     counter
Oct 21 13:50:57.310 INFO kablam! 133 | | }
Oct 21 13:50:57.310 INFO kablam!     | |_^
Oct 21 13:50:57.310 INFO kablam! 
Oct 21 13:50:57.310 INFO kablam! warning: function is never used: `twisty`
Oct 21 13:50:57.310 INFO kablam!    --> src/main.rs:135:1
Oct 21 13:50:57.310 INFO kablam!     |
Oct 21 13:50:57.310 INFO kablam! 135 | / fn twisty<P>(input: &str, mutator_fn: P) -> u32
Oct 21 13:50:57.310 INFO kablam! 136 | |     where P: Fn(i32) -> i32
Oct 21 13:50:57.310 INFO kablam! 137 | | {
Oct 21 13:50:57.310 INFO kablam! 138 | |     let mut map: HashMap<i32, i32> = HashMap::new();
Oct 21 13:50:57.310 INFO kablam! ...   |
Oct 21 13:50:57.310 INFO kablam! 154 | |     counter
Oct 21 13:50:57.310 INFO kablam! 155 | | }
Oct 21 13:50:57.310 INFO kablam!     | |_^
Oct 21 13:50:57.310 INFO kablam! 
Oct 21 13:50:57.310 INFO kablam! warning: function is never used: `reallocation`
Oct 21 13:50:57.310 INFO kablam!    --> src/main.rs:157:1
Oct 21 13:50:57.310 INFO kablam!     |
Oct 21 13:50:57.310 INFO kablam! 157 | fn reallocation(input: &str) -> u32 {
Oct 21 13:50:57.310 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:50:57.310 INFO kablam! 
Oct 21 13:50:57.341 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Oct 21 13:50:57.348 INFO kablam! su: No module specific data is present
Oct 21 13:50:58.068 INFO running `"docker" "rm" "-f" "cca34647b8eccc88238f79cfaa37130caed6f8238537800ae23d47ecc2df7a81"`
Oct 21 13:50:58.404 INFO blam! cca34647b8eccc88238f79cfaa37130caed6f8238537800ae23d47ecc2df7a81