Dec 17 15:31:44.758 INFO checking shiver/aoc2017 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:31:44.758 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/shiver/aoc2017:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:31:45.032 INFO [stdout] 01a1e3242314208f4c382c8ff7272b6b9f104bd8475af080d6bde2f87c9a9574
Dec 17 15:31:45.040 INFO running `"docker" "start" "-a" "01a1e3242314208f4c382c8ff7272b6b9f104bd8475af080d6bde2f87c9a9574"`
Dec 17 15:31:45.637 INFO [stderr]     Checking aoc2017 v0.1.0 (/opt/crater/workdir)
Dec 17 15:31:45.714 INFO [stderr] warning: unused import: `std::iter::FromIterator`
Dec 17 15:31:45.714 INFO [stderr]  --> src/main.rs:6:5
Dec 17 15:31:45.714 INFO [stderr]   |
Dec 17 15:31:45.714 INFO [stderr] 6 | use std::iter::FromIterator;
Dec 17 15:31:45.714 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:45.714 INFO [stderr]   |
Dec 17 15:31:45.714 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:31:45.714 INFO [stderr] 
Dec 17 15:31:45.729 INFO [stderr] warning: unused import: `std::iter::FromIterator`
Dec 17 15:31:45.729 INFO [stderr]  --> src/main.rs:6:5
Dec 17 15:31:45.729 INFO [stderr]   |
Dec 17 15:31:45.729 INFO [stderr] 6 | use std::iter::FromIterator;
Dec 17 15:31:45.729 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:45.729 INFO [stderr]   |
Dec 17 15:31:45.729 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:31:45.729 INFO [stderr] 
Dec 17 15:31:45.820 INFO [stderr] warning: unused variable: `i`
Dec 17 15:31:45.820 INFO [stderr]    --> src/main.rs:169:13
Dec 17 15:31:45.820 INFO [stderr]     |
Dec 17 15:31:45.820 INFO [stderr] 169 |         for i in it {
Dec 17 15:31:45.820 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 17 15:31:45.820 INFO [stderr]     |
Dec 17 15:31:45.820 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 15:31:45.820 INFO [stderr] 
Dec 17 15:31:45.840 INFO [stderr] warning: unused variable: `i`
Dec 17 15:31:45.840 INFO [stderr]    --> src/main.rs:169:13
Dec 17 15:31:45.840 INFO [stderr]     |
Dec 17 15:31:45.840 INFO [stderr] 169 |         for i in it {
Dec 17 15:31:45.840 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 17 15:31:45.840 INFO [stderr]     |
Dec 17 15:31:45.840 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 15:31:45.840 INFO [stderr] 
Dec 17 15:31:45.844 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:31:45.844 INFO [stderr]    --> src/main.rs:158:9
Dec 17 15:31:45.844 INFO [stderr]     |
Dec 17 15:31:45.844 INFO [stderr] 158 |     let mut bank: Vec<u32> = input
Dec 17 15:31:45.844 INFO [stderr]     |         ----^^^^
Dec 17 15:31:45.844 INFO [stderr]     |         |
Dec 17 15:31:45.844 INFO [stderr]     |         help: remove this `mut`
Dec 17 15:31:45.844 INFO [stderr]     |
Dec 17 15:31:45.844 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 15:31:45.844 INFO [stderr] 
Dec 17 15:31:45.844 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:31:45.844 INFO [stderr]    --> src/main.rs:166:13
Dec 17 15:31:45.844 INFO [stderr]     |
Dec 17 15:31:45.844 INFO [stderr] 166 |         let mut bank_idx = bank.binary_search(&largest).unwrap();
Dec 17 15:31:45.844 INFO [stderr]     |             ----^^^^^^^^
Dec 17 15:31:45.844 INFO [stderr]     |             |
Dec 17 15:31:45.844 INFO [stderr]     |             help: remove this `mut`
Dec 17 15:31:45.844 INFO [stderr] 
Dec 17 15:31:45.848 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:31:45.848 INFO [stderr]    --> src/main.rs:168:13
Dec 17 15:31:45.848 INFO [stderr]     |
Dec 17 15:31:45.848 INFO [stderr] 168 |         let mut acc = largest;
Dec 17 15:31:45.848 INFO [stderr]     |             ----^^^
Dec 17 15:31:45.848 INFO [stderr]     |             |
Dec 17 15:31:45.848 INFO [stderr]     |             help: remove this `mut`
Dec 17 15:31:45.848 INFO [stderr] 
Dec 17 15:31:45.848 INFO [stderr] warning: function is never used: `get_input`
Dec 17 15:31:45.848 INFO [stderr]  --> src/main.rs:9:1
Dec 17 15:31:45.848 INFO [stderr]   |
Dec 17 15:31:45.848 INFO [stderr] 9 | fn get_input(filename: &str) -> Result<String, std::io::Error> {
Dec 17 15:31:45.848 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:45.848 INFO [stderr]   |
Dec 17 15:31:45.848 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 15:31:45.848 INFO [stderr] 
Dec 17 15:31:45.848 INFO [stderr] warning: function is never used: `inverse_captcha`
Dec 17 15:31:45.848 INFO [stderr]   --> src/main.rs:18:1
Dec 17 15:31:45.848 INFO [stderr]    |
Dec 17 15:31:45.848 INFO [stderr] 18 | / fn inverse_captcha<P>(input: &String, peeker_fn: P) -> u32
Dec 17 15:31:45.848 INFO [stderr] 19 | |     where P: Fn(usize, usize) -> usize
Dec 17 15:31:45.848 INFO [stderr] 20 | | {
Dec 17 15:31:45.848 INFO [stderr] 21 | |     input
Dec 17 15:31:45.848 INFO [stderr] ...  |
Dec 17 15:31:45.848 INFO [stderr] 42 | |         })
Dec 17 15:31:45.848 INFO [stderr] 43 | | }
Dec 17 15:31:45.848 INFO [stderr]    | |_^
Dec 17 15:31:45.848 INFO [stderr] 
Dec 17 15:31:45.848 INFO [stderr] warning: function is never used: `corruption_checksum`
Dec 17 15:31:45.848 INFO [stderr]   --> src/main.rs:45:1
Dec 17 15:31:45.848 INFO [stderr]    |
Dec 17 15:31:45.848 INFO [stderr] 45 | / fn corruption_checksum<P>(input: &str, collector_fn: P) -> u32
Dec 17 15:31:45.848 INFO [stderr] 46 | |     where P: Fn(&Vec<u32>, &mut Vec<u32>)
Dec 17 15:31:45.848 INFO [stderr] 47 | | {
Dec 17 15:31:45.848 INFO [stderr] 48 | |     let mut checksum: Vec<_> = Vec::new();
Dec 17 15:31:45.848 INFO [stderr] ...  |
Dec 17 15:31:45.848 INFO [stderr] 56 | |     checksum.iter().sum()
Dec 17 15:31:45.848 INFO [stderr] 57 | | }
Dec 17 15:31:45.848 INFO [stderr]    | |_^
Dec 17 15:31:45.848 INFO [stderr] 
Dec 17 15:31:45.848 INFO [stderr] warning: function is never used: `spiral_memory`
Dec 17 15:31:45.848 INFO [stderr]    --> src/main.rs:59:1
Dec 17 15:31:45.848 INFO [stderr]     |
Dec 17 15:31:45.848 INFO [stderr] 59  | / fn spiral_memory<P>(input: &str, value_fn: P) -> HashMap<u32, (i32, i32)>
Dec 17 15:31:45.848 INFO [stderr] 60  | |     where P: Fn(u32, &HashMap<(i32, i32), u32>, i32, i32) -> u32
Dec 17 15:31:45.848 INFO [stderr] 61  | | {
Dec 17 15:31:45.848 INFO [stderr] 62  | |     // 1 1 2 2 3 3 4 4
Dec 17 15:31:45.848 INFO [stderr] ...   |
Dec 17 15:31:45.848 INFO [stderr] 100 | |     value_map
Dec 17 15:31:45.848 INFO [stderr] 101 | | }
Dec 17 15:31:45.848 INFO [stderr]     | |_^
Dec 17 15:31:45.848 INFO [stderr] 
Dec 17 15:31:45.849 INFO [stderr] warning: function is never used: `manhatten_distance`
Dec 17 15:31:45.849 INFO [stderr]    --> src/main.rs:103:1
Dec 17 15:31:45.849 INFO [stderr]     |
Dec 17 15:31:45.849 INFO [stderr] 103 | fn manhatten_distance(map: &HashMap<u32, (i32, i32)>, p1: u32, p2: u32) -> i32 {
Dec 17 15:31:45.849 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:45.849 INFO [stderr] 
Dec 17 15:31:45.849 INFO [stderr] warning: function is never used: `high_entropy`
Dec 17 15:31:45.849 INFO [stderr]    --> src/main.rs:110:1
Dec 17 15:31:45.849 INFO [stderr]     |
Dec 17 15:31:45.849 INFO [stderr] 110 | / fn high_entropy<P>(input: &str, mutator_fn: P) -> u32
Dec 17 15:31:45.849 INFO [stderr] 111 | |     where P: Fn(&str) -> String
Dec 17 15:31:45.849 INFO [stderr] 112 | | {
Dec 17 15:31:45.849 INFO [stderr] 113 | |     let mut set = HashSet::new();
Dec 17 15:31:45.849 INFO [stderr] ...   |
Dec 17 15:31:45.849 INFO [stderr] 132 | |     counter
Dec 17 15:31:45.849 INFO [stderr] 133 | | }
Dec 17 15:31:45.849 INFO [stderr]     | |_^
Dec 17 15:31:45.849 INFO [stderr] 
Dec 17 15:31:45.849 INFO [stderr] warning: function is never used: `twisty`
Dec 17 15:31:45.849 INFO [stderr]    --> src/main.rs:135:1
Dec 17 15:31:45.849 INFO [stderr]     |
Dec 17 15:31:45.849 INFO [stderr] 135 | / fn twisty<P>(input: &str, mutator_fn: P) -> u32
Dec 17 15:31:45.849 INFO [stderr] 136 | |     where P: Fn(i32) -> i32
Dec 17 15:31:45.849 INFO [stderr] 137 | | {
Dec 17 15:31:45.849 INFO [stderr] 138 | |     let mut map: HashMap<i32, i32> = HashMap::new();
Dec 17 15:31:45.849 INFO [stderr] ...   |
Dec 17 15:31:45.849 INFO [stderr] 154 | |     counter
Dec 17 15:31:45.849 INFO [stderr] 155 | | }
Dec 17 15:31:45.849 INFO [stderr]     | |_^
Dec 17 15:31:45.849 INFO [stderr] 
Dec 17 15:31:45.849 INFO [stderr] warning: function is never used: `reallocation`
Dec 17 15:31:45.849 INFO [stderr]    --> src/main.rs:157:1
Dec 17 15:31:45.849 INFO [stderr]     |
Dec 17 15:31:45.849 INFO [stderr] 157 | fn reallocation(input: &str) -> u32 {
Dec 17 15:31:45.849 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:45.849 INFO [stderr] 
Dec 17 15:31:45.876 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:31:45.876 INFO [stderr]    --> src/main.rs:158:9
Dec 17 15:31:45.876 INFO [stderr]     |
Dec 17 15:31:45.876 INFO [stderr] 158 |     let mut bank: Vec<u32> = input
Dec 17 15:31:45.876 INFO [stderr]     |         ----^^^^
Dec 17 15:31:45.876 INFO [stderr]     |         |
Dec 17 15:31:45.876 INFO [stderr]     |         help: remove this `mut`
Dec 17 15:31:45.876 INFO [stderr]     |
Dec 17 15:31:45.876 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 15:31:45.876 INFO [stderr] 
Dec 17 15:31:45.876 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:31:45.876 INFO [stderr]    --> src/main.rs:166:13
Dec 17 15:31:45.876 INFO [stderr]     |
Dec 17 15:31:45.876 INFO [stderr] 166 |         let mut bank_idx = bank.binary_search(&largest).unwrap();
Dec 17 15:31:45.876 INFO [stderr]     |             ----^^^^^^^^
Dec 17 15:31:45.876 INFO [stderr]     |             |
Dec 17 15:31:45.876 INFO [stderr]     |             help: remove this `mut`
Dec 17 15:31:45.876 INFO [stderr] 
Dec 17 15:31:45.876 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:31:45.876 INFO [stderr]    --> src/main.rs:168:13
Dec 17 15:31:45.876 INFO [stderr]     |
Dec 17 15:31:45.876 INFO [stderr] 168 |         let mut acc = largest;
Dec 17 15:31:45.876 INFO [stderr]     |             ----^^^
Dec 17 15:31:45.876 INFO [stderr]     |             |
Dec 17 15:31:45.876 INFO [stderr]     |             help: remove this `mut`
Dec 17 15:31:45.876 INFO [stderr] 
Dec 17 15:31:45.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Dec 17 15:31:46.214 INFO running `"docker" "inspect" "01a1e3242314208f4c382c8ff7272b6b9f104bd8475af080d6bde2f87c9a9574"`
Dec 17 15:31:46.320 INFO running `"docker" "rm" "-f" "01a1e3242314208f4c382c8ff7272b6b9f104bd8475af080d6bde2f87c9a9574"`
Dec 17 15:31:46.386 INFO [stdout] 01a1e3242314208f4c382c8ff7272b6b9f104bd8475af080d6bde2f87c9a9574