[INFO] updating cached repository https://github.com/Sonnenhut/aoc2019 [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] 34d1e3448c9c25ae91f519c71c106ca4566e16db [INFO] checking Sonnenhut/aoc2019 against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonnenhut%2Faoc2019" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Sonnenhut/aoc2019 on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de [INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Sonnenhut/aoc2019 [INFO] finished tweaking git repo https://github.com/Sonnenhut/aoc2019 [INFO] tweaked toml for git repo https://github.com/Sonnenhut/aoc2019 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Sonnenhut/aoc2019 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4ec4454508cb103b23f002c71f47c3b8f148dc3231e985acf2795f5d70c0eedd [INFO] running `"docker" "start" "-a" "4ec4454508cb103b23f002c71f47c3b8f148dc3231e985acf2795f5d70c0eedd"` [INFO] [stderr] Checking aoc2019 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stderr] --> src/bin/day06.rs:26:40 [INFO] [stderr] | [INFO] [stderr] 26 | [origin_distance, target_distance].into_iter().flatten().sum() [INFO] [stderr] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] [INFO] [stderr] warning: unused import: `aoc2019::read_lines` [INFO] [stderr] --> src/bin/day18.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use aoc2019::read_lines; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::char::ToLowercase` [INFO] [stderr] --> src/bin/day18.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::char::ToLowercase; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::slice::SliceIndex` [INFO] [stderr] --> src/bin/day18.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::slice::SliceIndex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `coord` [INFO] [stderr] --> src/bin/day18.rs:91:47 [INFO] [stderr] | [INFO] [stderr] 91 | walkables(&maze).into_iter().filter(|(ch, coord)| ch.is_lowercase()).collect() [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_coord` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `last` [INFO] [stderr] --> src/bin/day18.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | let mut last = Some(0); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_last` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `maze` [INFO] [stderr] --> src/bin/day18.rs:147:27 [INFO] [stderr] | [INFO] [stderr] 147 | fn shortest_path_all_keys(maze: &Vec) -> usize {/* [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_maze` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day18.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let mut ex = [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/bin/day18.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut maze = ex.split('\n').map(String::from).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/bin/day18.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | let mut last = Some(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/bin/day18.rs:202:13 [INFO] [stderr] | [INFO] [stderr] 202 | let mut ex = [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/bin/day18.rs:209:13 [INFO] [stderr] | [INFO] [stderr] 209 | let mut maze = ex.split('\n').map(String::from).collect(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `keys` [INFO] [stderr] --> src/bin/day18.rs:90:4 [INFO] [stderr] | [INFO] [stderr] 90 | fn keys(maze: &Vec) -> HashMap { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the `steps:` in this pattern is redundant [INFO] [stderr] --> src/bin/day18.rs:105:28 [INFO] [stderr] | [INFO] [stderr] 105 | while let Some(State { steps: steps, position, collected_keys }) = heap.pop() { [INFO] [stderr] | ^^^^^^^^^^^^ help: use shorthand field pattern: `steps` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `aoc2019::read_lines` [INFO] [stderr] --> src/bin/day18.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use aoc2019::read_lines; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::char::ToLowercase` [INFO] [stderr] --> src/bin/day18.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::char::ToLowercase; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::slice::SliceIndex` [INFO] [stderr] --> src/bin/day18.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::slice::SliceIndex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `coord` [INFO] [stderr] --> src/bin/day18.rs:91:47 [INFO] [stderr] | [INFO] [stderr] 91 | walkables(&maze).into_iter().filter(|(ch, coord)| ch.is_lowercase()).collect() [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_coord` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `last` [INFO] [stderr] --> src/bin/day18.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | let mut last = Some(0); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_last` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `maze` [INFO] [stderr] --> src/bin/day18.rs:147:27 [INFO] [stderr] | [INFO] [stderr] 147 | fn shortest_path_all_keys(maze: &Vec) -> usize {/* [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_maze` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day18.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let mut ex = [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/bin/day18.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut maze = ex.split('\n').map(String::from).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/bin/day18.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | let mut last = Some(0); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `shift` [INFO] [stderr] --> src/bin/day18.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | fn shift(&self, d: i64) -> Coord { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `around` [INFO] [stderr] --> src/bin/day18.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | fn around(&self) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `at_coord` [INFO] [stderr] --> src/bin/day18.rs:73:4 [INFO] [stderr] | [INFO] [stderr] 73 | fn at_coord(coord: &Coord, maze: &Vec) -> char{ [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `walkables` [INFO] [stderr] --> src/bin/day18.rs:77:4 [INFO] [stderr] | [INFO] [stderr] 77 | fn walkables(maze: &Vec) -> HashMap { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `keys` [INFO] [stderr] --> src/bin/day18.rs:90:4 [INFO] [stderr] | [INFO] [stderr] 90 | fn keys(maze: &Vec) -> HashMap { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `path_to` [INFO] [stderr] --> src/bin/day18.rs:94:4 [INFO] [stderr] | [INFO] [stderr] 94 | fn path_to(start: &Coord, goal: &Coord, maze : &Vec) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the `steps:` in this pattern is redundant [INFO] [stderr] --> src/bin/day18.rs:105:28 [INFO] [stderr] | [INFO] [stderr] 105 | while let Some(State { steps: steps, position, collected_keys }) = heap.pop() { [INFO] [stderr] | ^^^^^^^^^^^^ help: use shorthand field pattern: `steps` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stderr] --> src/bin/day06.rs:26:40 [INFO] [stderr] | [INFO] [stderr] 26 | [origin_distance, target_distance].into_iter().flatten().sum() [INFO] [stderr] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/bin/day11.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/bin/day11.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.72s [INFO] running `"docker" "inspect" "4ec4454508cb103b23f002c71f47c3b8f148dc3231e985acf2795f5d70c0eedd"` [INFO] running `"docker" "rm" "-f" "4ec4454508cb103b23f002c71f47c3b8f148dc3231e985acf2795f5d70c0eedd"` [INFO] [stdout] 4ec4454508cb103b23f002c71f47c3b8f148dc3231e985acf2795f5d70c0eedd