[INFO] updating cached repository shiver/aoc2017 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/shiver/aoc2017 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/shiver/aoc2017" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/shiver/aoc2017"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/shiver/aoc2017'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/shiver/aoc2017" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/shiver/aoc2017"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/shiver/aoc2017'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4d208759177b405b02ad7f34e211693a094c34da [INFO] sha for GitHub repo shiver/aoc2017: 4d208759177b405b02ad7f34e211693a094c34da [INFO] validating manifest of shiver/aoc2017 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of shiver/aoc2017 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing shiver/aoc2017 [INFO] finished frobbing shiver/aoc2017 [INFO] frobbed toml for shiver/aoc2017 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/shiver/aoc2017/Cargo.toml [INFO] started frobbing shiver/aoc2017 [INFO] finished frobbing shiver/aoc2017 [INFO] frobbed toml for shiver/aoc2017 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/shiver/aoc2017/Cargo.toml [INFO] crate shiver/aoc2017 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking shiver/aoc2017 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-3/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] dc3421b63c3cbbcb53b5b421d2d7c35be1a63e0e7abc4b56a3b863c06aec08c9 [INFO] running `"docker" "start" "-a" "dc3421b63c3cbbcb53b5b421d2d7c35be1a63e0e7abc4b56a3b863c06aec08c9"` [INFO] [stderr] Checking aoc2017 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:169:13 [INFO] [stderr] | [INFO] [stderr] 169 | for i in it { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:169:13 [INFO] [stderr] | [INFO] [stderr] 169 | for i in it { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:158:9 [INFO] [stderr] | [INFO] [stderr] 158 | let mut bank: Vec = input [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:166:13 [INFO] [stderr] | [INFO] [stderr] 166 | let mut bank_idx = bank.binary_search(&largest).unwrap(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:168:13 [INFO] [stderr] | [INFO] [stderr] 168 | let mut acc = largest; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_input` [INFO] [stderr] --> src/main.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | fn get_input(filename: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `inverse_captcha` [INFO] [stderr] --> src/main.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | / fn inverse_captcha

(input: &String, peeker_fn: P) -> u32 [INFO] [stderr] 19 | | where P: Fn(usize, usize) -> usize [INFO] [stderr] 20 | | { [INFO] [stderr] 21 | | input [INFO] [stderr] ... | [INFO] [stderr] 42 | | }) [INFO] [stderr] 43 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `corruption_checksum` [INFO] [stderr] --> src/main.rs:45:1 [INFO] [stderr] | [INFO] [stderr] 45 | / fn corruption_checksum

(input: &str, collector_fn: P) -> u32 [INFO] [stderr] 46 | | where P: Fn(&Vec, &mut Vec) [INFO] [stderr] 47 | | { [INFO] [stderr] 48 | | let mut checksum: Vec<_> = Vec::new(); [INFO] [stderr] ... | [INFO] [stderr] 56 | | checksum.iter().sum() [INFO] [stderr] 57 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `spiral_memory` [INFO] [stderr] --> src/main.rs:59:1 [INFO] [stderr] | [INFO] [stderr] 59 | / fn spiral_memory

(input: &str, value_fn: P) -> HashMap [INFO] [stderr] 60 | | where P: Fn(u32, &HashMap<(i32, i32), u32>, i32, i32) -> u32 [INFO] [stderr] 61 | | { [INFO] [stderr] 62 | | // 1 1 2 2 3 3 4 4 [INFO] [stderr] ... | [INFO] [stderr] 100 | | value_map [INFO] [stderr] 101 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `manhatten_distance` [INFO] [stderr] --> src/main.rs:103:1 [INFO] [stderr] | [INFO] [stderr] 103 | fn manhatten_distance(map: &HashMap, p1: u32, p2: u32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `high_entropy` [INFO] [stderr] --> src/main.rs:110:1 [INFO] [stderr] | [INFO] [stderr] 110 | / fn high_entropy

(input: &str, mutator_fn: P) -> u32 [INFO] [stderr] 111 | | where P: Fn(&str) -> String [INFO] [stderr] 112 | | { [INFO] [stderr] 113 | | let mut set = HashSet::new(); [INFO] [stderr] ... | [INFO] [stderr] 132 | | counter [INFO] [stderr] 133 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `twisty` [INFO] [stderr] --> src/main.rs:135:1 [INFO] [stderr] | [INFO] [stderr] 135 | / fn twisty

(input: &str, mutator_fn: P) -> u32 [INFO] [stderr] 136 | | where P: Fn(i32) -> i32 [INFO] [stderr] 137 | | { [INFO] [stderr] 138 | | let mut map: HashMap = HashMap::new(); [INFO] [stderr] ... | [INFO] [stderr] 154 | | counter [INFO] [stderr] 155 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `reallocation` [INFO] [stderr] --> src/main.rs:157:1 [INFO] [stderr] | [INFO] [stderr] 157 | fn reallocation(input: &str) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:158:9 [INFO] [stderr] | [INFO] [stderr] 158 | let mut bank: Vec = input [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:166:13 [INFO] [stderr] | [INFO] [stderr] 166 | let mut bank_idx = bank.binary_search(&largest).unwrap(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:168:13 [INFO] [stderr] | [INFO] [stderr] 168 | let mut acc = largest; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `"docker" "inspect" "dc3421b63c3cbbcb53b5b421d2d7c35be1a63e0e7abc4b56a3b863c06aec08c9"` [INFO] running `"docker" "rm" "-f" "dc3421b63c3cbbcb53b5b421d2d7c35be1a63e0e7abc4b56a3b863c06aec08c9"` [INFO] [stdout] dc3421b63c3cbbcb53b5b421d2d7c35be1a63e0e7abc4b56a3b863c06aec08c9