[INFO] updating cached repository christopherjmedlin/aoc-2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/christopherjmedlin/aoc-2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/christopherjmedlin/aoc-2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/christopherjmedlin/aoc-2018"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/christopherjmedlin/aoc-2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/christopherjmedlin/aoc-2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/christopherjmedlin/aoc-2018"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/christopherjmedlin/aoc-2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a1105aecb9967b4cfb820d6df3fef3937c750298 [INFO] sha for GitHub repo christopherjmedlin/aoc-2018: a1105aecb9967b4cfb820d6df3fef3937c750298 [INFO] validating manifest of christopherjmedlin/aoc-2018 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of christopherjmedlin/aoc-2018 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing christopherjmedlin/aoc-2018 [INFO] finished frobbing christopherjmedlin/aoc-2018 [INFO] frobbed toml for christopherjmedlin/aoc-2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/christopherjmedlin/aoc-2018/Cargo.toml [INFO] started frobbing christopherjmedlin/aoc-2018 [INFO] finished frobbing christopherjmedlin/aoc-2018 [INFO] frobbed toml for christopherjmedlin/aoc-2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/christopherjmedlin/aoc-2018/Cargo.toml [INFO] crate christopherjmedlin/aoc-2018 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing christopherjmedlin/aoc-2018 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/christopherjmedlin/aoc-2018:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 018e6c138819bb345515a8557ae8ca6968ca274a3a013fda013da4de18c2dbeb [INFO] running `"docker" "start" "-a" "018e6c138819bb345515a8557ae8ca6968ca274a3a013fda013da4de18c2dbeb"` [INFO] [stderr] Compiling aoc-2018 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/daytwo.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `chrono::prelude::*` [INFO] [stderr] --> src/dayfour.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use chrono::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/daysix.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BTreeSet` [INFO] [stderr] --> src/dayseven.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::{BTreeSet, HashMap}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> src/dayten.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `max` [INFO] [stderr] --> src/dayeleven.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::{max, min}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/linkedlist.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | for i in 0..num { [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/linkedlist.rs:70:17 [INFO] [stderr] | [INFO] [stderr] 70 | for i in 0..num { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `identical_characters` [INFO] [stderr] --> src/daytwo.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut identical_characters = String::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_identical_characters` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `correct_boxes_found` [INFO] [stderr] --> src/daytwo.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | let mut correct_boxes_found = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_correct_boxes_found` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/daythree.rs:62:11 [INFO] [stderr] | [INFO] [stderr] 62 | for &(id, x, y, width, height) in tiles.iter() { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayfive.rs:41:17 [INFO] [stderr] | [INFO] [stderr] 41 | let mut i: usize = 0; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/dayseven.rs:133:13 [INFO] [stderr] | [INFO] [stderr] 133 | fn part_two(input: &Vec) -> String { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayeight.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | for i in 0..num_nodes { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayeight.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | for i in 0..num_metadata { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `total_metadata` [INFO] [stderr] --> src/dayeight.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut total_metadata: u32 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_total_metadata` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `uindex` [INFO] [stderr] --> src/dayeight.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let uindex = *index as u32; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_uindex` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayeight.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | for i in 0..num_nodes { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayeight.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | for i in 0..num_metadata { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/daynine.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | for i in 0..players { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `first_plant` is never read [INFO] [stderr] --> src/daytwelve.rs:79:17 [INFO] [stderr] | [INFO] [stderr] 79 | first_plant = true; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_state` [INFO] [stderr] --> src/daytwelve.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let mut new_state: PotState; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_new_state` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/daytwelve.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | for i in 0..20 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/daytwelve.rs:129:9 [INFO] [stderr] | [INFO] [stderr] 129 | for i in 0..100 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/daythirteen.rs:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | let y = carts[0].location.1; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `end` is never read [INFO] [stderr] --> src/dayfourteen.rs:17:13 [INFO] [stderr] | [INFO] [stderr] 17 | let mut end = recipes.get_cursor().unwrap(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayfourteen.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | for i in 0..pattern.len() { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayfourteen.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | for i in 0..10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut input: Vec = r.lines() [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/daytwo.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut identical_characters = String::new(); [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/daytwo.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut correct_boxes_found = false; [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/dayfive.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | let mut i: usize = 0; [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/daysix.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | let mut split: Vec<&str> = line.split(", ").collect(); [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/daysix.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | let mut areas = &parse_input(input); [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/dayeight.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut total_metadata: u32 = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `secs_left` [INFO] [stderr] --> src/dayseven.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | secs_left: u8, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/dayten.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | File::create("output.txt"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: path statement with no effect [INFO] [stderr] --> src/daythirteen.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | x; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(path_statements)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.24s [INFO] running `"docker" "inspect" "018e6c138819bb345515a8557ae8ca6968ca274a3a013fda013da4de18c2dbeb"` [INFO] running `"docker" "rm" "-f" "018e6c138819bb345515a8557ae8ca6968ca274a3a013fda013da4de18c2dbeb"` [INFO] [stdout] 018e6c138819bb345515a8557ae8ca6968ca274a3a013fda013da4de18c2dbeb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/christopherjmedlin/aoc-2018:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 5a7ee574b5111cf73b700d4c4f7fbe367a0b5fd1eea3942c2b1c2d4fe2782e9e [INFO] running `"docker" "start" "-a" "5a7ee574b5111cf73b700d4c4f7fbe367a0b5fd1eea3942c2b1c2d4fe2782e9e"` [INFO] [stderr] Compiling aoc-2018 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/daytwo.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `chrono::prelude::*` [INFO] [stderr] --> src/dayfour.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use chrono::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/daysix.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BTreeSet` [INFO] [stderr] --> src/dayseven.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::{BTreeSet, HashMap}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> src/dayten.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `max` [INFO] [stderr] --> src/dayeleven.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::{max, min}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/linkedlist.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | for i in 0..num { [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/linkedlist.rs:70:17 [INFO] [stderr] | [INFO] [stderr] 70 | for i in 0..num { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `identical_characters` [INFO] [stderr] --> src/daytwo.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut identical_characters = String::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_identical_characters` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `correct_boxes_found` [INFO] [stderr] --> src/daytwo.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | let mut correct_boxes_found = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_correct_boxes_found` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/daythree.rs:62:11 [INFO] [stderr] | [INFO] [stderr] 62 | for &(id, x, y, width, height) in tiles.iter() { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayfive.rs:41:17 [INFO] [stderr] | [INFO] [stderr] 41 | let mut i: usize = 0; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/dayseven.rs:133:13 [INFO] [stderr] | [INFO] [stderr] 133 | fn part_two(input: &Vec) -> String { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayeight.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | for i in 0..num_nodes { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayeight.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | for i in 0..num_metadata { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `total_metadata` [INFO] [stderr] --> src/dayeight.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut total_metadata: u32 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_total_metadata` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `uindex` [INFO] [stderr] --> src/dayeight.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let uindex = *index as u32; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_uindex` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayeight.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | for i in 0..num_nodes { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayeight.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | for i in 0..num_metadata { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/daynine.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | for i in 0..players { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `first_plant` is never read [INFO] [stderr] --> src/daytwelve.rs:79:17 [INFO] [stderr] | [INFO] [stderr] 79 | first_plant = true; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_state` [INFO] [stderr] --> src/daytwelve.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let mut new_state: PotState; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_new_state` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/daytwelve.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | for i in 0..20 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/daytwelve.rs:129:9 [INFO] [stderr] | [INFO] [stderr] 129 | for i in 0..100 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/daythirteen.rs:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | let y = carts[0].location.1; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `end` is never read [INFO] [stderr] --> src/dayfourteen.rs:17:13 [INFO] [stderr] | [INFO] [stderr] 17 | let mut end = recipes.get_cursor().unwrap(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayfourteen.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | for i in 0..pattern.len() { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayfourteen.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | for i in 0..10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut input: Vec = r.lines() [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/daytwo.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut identical_characters = String::new(); [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/daytwo.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut correct_boxes_found = false; [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/dayfive.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | let mut i: usize = 0; [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/daysix.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | let mut split: Vec<&str> = line.split(", ").collect(); [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/daysix.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | let mut areas = &parse_input(input); [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/dayeight.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut total_metadata: u32 = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `secs_left` [INFO] [stderr] --> src/dayseven.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | secs_left: u8, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/dayten.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | File::create("output.txt"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: path statement with no effect [INFO] [stderr] --> src/daythirteen.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | x; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(path_statements)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "5a7ee574b5111cf73b700d4c4f7fbe367a0b5fd1eea3942c2b1c2d4fe2782e9e"` [INFO] running `"docker" "rm" "-f" "5a7ee574b5111cf73b700d4c4f7fbe367a0b5fd1eea3942c2b1c2d4fe2782e9e"` [INFO] [stdout] 5a7ee574b5111cf73b700d4c4f7fbe367a0b5fd1eea3942c2b1c2d4fe2782e9e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/christopherjmedlin/aoc-2018:/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=warn" "-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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 508af19703ef2b5c123f4bf35e975f26a7aaef25f6b0b5f13b6a05dfe84b487d [INFO] running `"docker" "start" "-a" "508af19703ef2b5c123f4bf35e975f26a7aaef25f6b0b5f13b6a05dfe84b487d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/aoc_2018-50895a59fb0378b7 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "508af19703ef2b5c123f4bf35e975f26a7aaef25f6b0b5f13b6a05dfe84b487d"` [INFO] running `"docker" "rm" "-f" "508af19703ef2b5c123f4bf35e975f26a7aaef25f6b0b5f13b6a05dfe84b487d"` [INFO] [stdout] 508af19703ef2b5c123f4bf35e975f26a7aaef25f6b0b5f13b6a05dfe84b487d