[INFO] updating cached repository https://github.com/christopherjmedlin/aoc-2018 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a1105aecb9967b4cfb820d6df3fef3937c750298 [INFO] testing christopherjmedlin/aoc-2018 against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjmedlin%2Faoc-2018" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/christopherjmedlin/aoc-2018 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/christopherjmedlin/aoc-2018 [INFO] finished tweaking git repo https://github.com/christopherjmedlin/aoc-2018 [INFO] tweaked toml for git repo https://github.com/christopherjmedlin/aoc-2018 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/christopherjmedlin/aoc-2018 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 91893d8d321ec842fb329228f359c50bc675009f1a0331afe3d5139203cfc016 [INFO] running `"docker" "start" "-a" "91893d8d321ec842fb329228f359c50bc675009f1a0331afe3d5139203cfc016"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling aoc-2018 v0.1.0 (/opt/rustwide/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: unnecessary trailing semicolon [INFO] [stderr] --> src/daysix.rs:62:38 [INFO] [stderr] | [INFO] [stderr] 62 | duplicate = dist;; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `identical_characters` [INFO] [stderr] --> src/daytwo.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut identical_characters = String::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identical_characters` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `correct_boxes_found` [INFO] [stderr] --> src/daytwo.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut correct_boxes_found = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayfive.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | let mut i: usize = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `total_metadata` [INFO] [stderr] --> src/dayeight.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut total_metadata: u32 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | let mut new_state: PotState; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `end` is never read [INFO] [stderr] --> src/dayfourteen.rs:17:9 [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: if this is intentional, prefix it 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: if this is intentional, prefix it 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 read: `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] warning: 39 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.83s [INFO] running `"docker" "inspect" "91893d8d321ec842fb329228f359c50bc675009f1a0331afe3d5139203cfc016"` [INFO] running `"docker" "rm" "-f" "91893d8d321ec842fb329228f359c50bc675009f1a0331afe3d5139203cfc016"` [INFO] [stdout] 91893d8d321ec842fb329228f359c50bc675009f1a0331afe3d5139203cfc016 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2ee6c60599aaf1b9adbb4145e669c0cd9fba8c997e0f3c66d485d8ae137f973a [INFO] running `"docker" "start" "-a" "2ee6c60599aaf1b9adbb4145e669c0cd9fba8c997e0f3c66d485d8ae137f973a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling aoc-2018 v0.1.0 (/opt/rustwide/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: unnecessary trailing semicolon [INFO] [stderr] --> src/daysix.rs:62:38 [INFO] [stderr] | [INFO] [stderr] 62 | duplicate = dist;; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `identical_characters` [INFO] [stderr] --> src/daytwo.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut identical_characters = String::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identical_characters` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `correct_boxes_found` [INFO] [stderr] --> src/daytwo.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut correct_boxes_found = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayfive.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | let mut i: usize = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `total_metadata` [INFO] [stderr] --> src/dayeight.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut total_metadata: u32 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | let mut new_state: PotState; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `end` is never read [INFO] [stderr] --> src/dayfourteen.rs:17:9 [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: if this is intentional, prefix it 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: if this is intentional, prefix it 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 read: `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] warning: 39 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `"docker" "inspect" "2ee6c60599aaf1b9adbb4145e669c0cd9fba8c997e0f3c66d485d8ae137f973a"` [INFO] running `"docker" "rm" "-f" "2ee6c60599aaf1b9adbb4145e669c0cd9fba8c997e0f3c66d485d8ae137f973a"` [INFO] [stdout] 2ee6c60599aaf1b9adbb4145e669c0cd9fba8c997e0f3c66d485d8ae137f973a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0c6977b23f29df09f6288fad55c6815e3e7c936528d2613a88bca7293da89be0 [INFO] running `"docker" "start" "-a" "0c6977b23f29df09f6288fad55c6815e3e7c936528d2613a88bca7293da89be0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stdout] [INFO] [stderr] --> src/daytwo.rs:1:5 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [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: unnecessary trailing semicolon [INFO] [stderr] --> src/daysix.rs:62:38 [INFO] [stderr] | [INFO] [stderr] 62 | duplicate = dist;; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `identical_characters` [INFO] [stderr] --> src/daytwo.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut identical_characters = String::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identical_characters` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `correct_boxes_found` [INFO] [stderr] --> src/daytwo.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut correct_boxes_found = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dayfive.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | let mut i: usize = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `total_metadata` [INFO] [stderr] --> src/dayeight.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut total_metadata: u32 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | let mut new_state: PotState; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `end` is never read [INFO] [stderr] --> src/dayfourteen.rs:17:9 [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: if this is intentional, prefix it 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: if this is intentional, prefix it 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 read: `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] warning: 39 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/aoc_2018-7c0ba97b67d5a4ae [INFO] running `"docker" "inspect" "0c6977b23f29df09f6288fad55c6815e3e7c936528d2613a88bca7293da89be0"` [INFO] running `"docker" "rm" "-f" "0c6977b23f29df09f6288fad55c6815e3e7c936528d2613a88bca7293da89be0"` [INFO] [stdout] 0c6977b23f29df09f6288fad55c6815e3e7c936528d2613a88bca7293da89be0