[INFO] updating cached repository https://github.com/santhoshselvan/advent-of-code [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] ec51fa7d53859e06843275389e3226c30e44c3f1 [INFO] checking santhoshselvan/advent-of-code against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanthoshselvan%2Fadvent-of-code" "/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/santhoshselvan/advent-of-code on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368 [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/santhoshselvan/advent-of-code [INFO] finished tweaking git repo https://github.com/santhoshselvan/advent-of-code [INFO] tweaked toml for git repo https://github.com/santhoshselvan/advent-of-code written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/santhoshselvan/advent-of-code already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 5fe3462d2ee24cb09033b625955c6ffd01f0a47c8d09cee5ebaac8f7ecdf652e [INFO] running `"docker" "start" "-a" "5fe3462d2ee24cb09033b625955c6ffd01f0a47c8d09cee5ebaac8f7ecdf652e"` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Checking piston-float v1.0.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking piston-graphics_api_version v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking svg v0.5.12 [INFO] [stderr] Checking queues v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking piston-viewport v1.0.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking png v0.15.2 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking libmath v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking rayon v1.2.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking permutator v0.3.3 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking image v0.22.3 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking plotlib v0.4.0 [INFO] [stderr] Checking pistoncore-input v0.28.0 [INFO] [stderr] Checking pistoncore-window v0.44.0 [INFO] [stderr] Checking pistoncore-event_loop v0.49.0 [INFO] [stderr] Checking piston v0.49.0 [INFO] [stderr] Checking advent-of-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0432]: unresolved import `crate::intcode` [INFO] [stderr] --> src/intcode.rs:235:16 [INFO] [stderr] | [INFO] [stderr] 235 | use crate::intcode::IntCode; [INFO] [stderr] | ^^^^^^^ maybe a missing crate `intcode`? [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `DEBUG_SHOW_INPUT_OUTPUT` [INFO] [stderr] --> src/intcode.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | static DEBUG_SHOW_INPUT_OUTPUT: bool = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `memory_string` [INFO] [stderr] --> src/intcode.rs:224:5 [INFO] [stderr] | [INFO] [stderr] 224 | fn memory_string(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `advent-of-code`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused label [INFO] [stderr] --> src/bin/day02_2.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | 'outer: for noun in 0..noun_and_verb_limit { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::Lines` [INFO] [stderr] --> src/bin/day09.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::str::Lines; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused label [INFO] [stderr] --> src/bin/day02_2.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | 'inner: for verb in 0..noun_and_verb_limit { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `intcode` [INFO] [stderr] --> src/bin/day07.rs:257:17 [INFO] [stderr] | [INFO] [stderr] 257 | use crate::{intcode, get_max_thruster_signal_with_one_round_of_amplification, get_max_thruster_signal_with_feedback_amplification}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0601]: `main` function not found in crate `advent_of_code` [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub mod intcode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ consider adding a `main` function to `src/main.rs` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `success` [INFO] [stderr] --> src/bin/day02_2.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut success = false; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_success` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::Lines` [INFO] [stderr] --> src/bin/day15.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::str::Lines; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Write`, `stdout` [INFO] [stderr] --> src/bin/day15.rs:4:15 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::{stdout, Write}; [INFO] [stderr] | ^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `GenericImageView`, `GenericImage`, `ImageBuffer`, `RgbImage` [INFO] [stderr] --> src/bin/day15.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::hash::Hash` [INFO] [stderr] --> src/bin/day15.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::hash::Hash; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day02_2.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut memory: Vec = input.split(',').map(|s| s.to_string()).collect(); [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/day02_2.rs:10:51 [INFO] [stderr] | [INFO] [stderr] 10 | fn get_noun_and_verb_required_for_expected_output(mut memory: Vec, expected_output: String) -> (i32, i32) { [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/day02_2.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut success = false; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0601`. [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day04.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut digits: Vec = num.to_string().chars().map(|d| d.to_digit(10).unwrap()).collect(); [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] error: could not compile `advent-of-code`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/bin/day15.rs:227:5 [INFO] [stderr] | [INFO] [stderr] 223 | / return Some((maze_block.last_visited_from.unwrap(), [INFO] [stderr] 224 | | get_opposition_direction(maze_block.last_visited_from_direction.unwrap()), [INFO] [stderr] 225 | | true)); [INFO] [stderr] | |___________________________- any code following this expression is unreachable [INFO] [stderr] 226 | } [INFO] [stderr] 227 | unreachable!() [INFO] [stderr] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `immediate_output_mode` [INFO] [stderr] --> src/bin/day07.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | immediate_output_mode: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_immediate_output_mode` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `width` [INFO] [stderr] --> src/bin/day08.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | width: usize, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `height` [INFO] [stderr] --> src/bin/day08.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | height: usize, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_number_of_pixels_not_matching` [INFO] [stderr] --> src/bin/day08.rs:102:5 [INFO] [stderr] | [INFO] [stderr] 102 | fn get_number_of_pixels_not_matching(&self, num: i8) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/day08.rs:114:13 [INFO] [stderr] | [INFO] [stderr] 114 | write!(f, "{}", x.to_string()); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day07.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | let mut phase_settings = vec![5, 6, 7, 8, 9]; [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/day15.rs:202:5 [INFO] [stderr] | [INFO] [stderr] 202 | mut maze: &mut HashMap, [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/day15.rs:204:9 [INFO] [stderr] | [INFO] [stderr] 204 | let mut current_position = current_position; [INFO] [stderr] | ----^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `position` [INFO] [stderr] --> src/bin/day15.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | position: Position, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day07.rs:147:5 [INFO] [stderr] | [INFO] [stderr] 147 | mut phase_setting_fed: &mut bool, [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/day15.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | queue.add(start); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/day15.rs:85:17 [INFO] [stderr] | [INFO] [stderr] 85 | queue.add(*neighbour); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "5fe3462d2ee24cb09033b625955c6ffd01f0a47c8d09cee5ebaac8f7ecdf652e"` [INFO] running `"docker" "rm" "-f" "5fe3462d2ee24cb09033b625955c6ffd01f0a47c8d09cee5ebaac8f7ecdf652e"` [INFO] [stdout] 5fe3462d2ee24cb09033b625955c6ffd01f0a47c8d09cee5ebaac8f7ecdf652e