[INFO] cloning repository https://github.com/mbrizic/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbrizic/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbrizic%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbrizic%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 128d0243b28878ae8a4b0c0c08f5fd0c07f745b9
[INFO] checking mbrizic/aoc2021 against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbrizic%2Faoc2021" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mbrizic/aoc2021
[INFO] finished tweaking git repo https://github.com/mbrizic/aoc2021
[INFO] tweaked toml for git repo https://github.com/mbrizic/aoc2021 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mbrizic/aoc2021 on toolchain 8a0378607d6b34c242e3bfa75554871be641864b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mbrizic/aoc2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e5db3cbaf5046cb6a7954de21cbcf14803ac0b4a30fa8495cee8611c3ff33d9
[INFO] running `Command { std: "docker" "start" "-a" "1e5db3cbaf5046cb6a7954de21cbcf14803ac0b4a30fa8495cee8611c3ff33d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e5db3cbaf5046cb6a7954de21cbcf14803ac0b4a30fa8495cee8611c3ff33d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5db3cbaf5046cb6a7954de21cbcf14803ac0b4a30fa8495cee8611c3ff33d9", kill_on_drop: false }`
[INFO] [stdout] 1e5db3cbaf5046cb6a7954de21cbcf14803ac0b4a30fa8495cee8611c3ff33d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5fc649ac767265c4f561849624820688d2dfa6568e1af8b8c86d7125bc1c562
[INFO] running `Command { std: "docker" "start" "-a" "d5fc649ac767265c4f561849624820688d2dfa6568e1af8b8c86d7125bc1c562", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/task_07/solution.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{vec, convert::TryInto};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/task_09/solution.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/task_11/solution.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/task_07/solution.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{vec, convert::TryInto};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/task_09/solution.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/task_11/solution.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/task_05/solution.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |             for i in 0..number_of_moves {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/task_05/solution.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 |     for (i, row) in points.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/task_05/solution.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |             for i in 0..number_of_moves {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/task_05/solution.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 |     for (i, row) in points.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuel_costs`
[INFO] [stdout]    --> src/task_07/solution.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fuel_costs: &[i32], 
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fuel_costs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuel_costs`
[INFO] [stdout]    --> src/task_07/solution.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fuel_costs: &[i32], 
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fuel_costs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/task_08/solution.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 .find(|(index, code)| (*code).eq(c))
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/task_08/solution.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 .find(|(index, code)| (*code).eq(c))
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]    --> src/task_09/solution.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calculate_basin_size(rows: &Vec<Vec<i32>>, row_size: i32, row_index: usize, column_index: usize) -> i32 {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_size`
[INFO] [stdout]    --> src/task_09/solution.rs:107:47
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calculate_basin_size(rows: &Vec<Vec<i32>>, row_size: i32, row_index: usize, column_index: usize) -> i32 {
[INFO] [stdout]     |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_row_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_index`
[INFO] [stdout]    --> src/task_09/solution.rs:107:62
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calculate_basin_size(rows: &Vec<Vec<i32>>, row_size: i32, row_index: usize, column_index: usize) -> i32 {
[INFO] [stdout]     |                                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_row_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column_index`
[INFO] [stdout]    --> src/task_09/solution.rs:107:80
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calculate_basin_size(rows: &Vec<Vec<i32>>, row_size: i32, row_index: usize, column_index: usize) -> i32 {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_column_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/task_09/solution.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut res = 1;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]    --> src/task_09/solution.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calculate_basin_size(rows: &Vec<Vec<i32>>, row_size: i32, row_index: usize, column_index: usize) -> i32 {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_size`
[INFO] [stdout]    --> src/task_09/solution.rs:107:47
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calculate_basin_size(rows: &Vec<Vec<i32>>, row_size: i32, row_index: usize, column_index: usize) -> i32 {
[INFO] [stdout]     |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_row_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_index`
[INFO] [stdout]    --> src/task_09/solution.rs:107:62
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calculate_basin_size(rows: &Vec<Vec<i32>>, row_size: i32, row_index: usize, column_index: usize) -> i32 {
[INFO] [stdout]     |                                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_row_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column_index`
[INFO] [stdout]    --> src/task_09/solution.rs:107:80
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calculate_basin_size(rows: &Vec<Vec<i32>>, row_size: i32, row_index: usize, column_index: usize) -> i32 {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_column_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/task_09/solution.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut res = 1;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/task_11/solution.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in 0..100 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/task_11/solution.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in 0..100 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_basin_size` is never used
[INFO] [stdout]    --> src/task_09/solution.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calculate_basin_size(rows: &Vec<Vec<i32>>, row_size: i32, row_index: usize, column_index: usize) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_basin_size` is never used
[INFO] [stdout]    --> src/task_09/solution.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calculate_basin_size(rows: &Vec<Vec<i32>>, row_size: i32, row_index: usize, column_index: usize) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "d5fc649ac767265c4f561849624820688d2dfa6568e1af8b8c86d7125bc1c562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5fc649ac767265c4f561849624820688d2dfa6568e1af8b8c86d7125bc1c562", kill_on_drop: false }`
[INFO] [stdout] d5fc649ac767265c4f561849624820688d2dfa6568e1af8b8c86d7125bc1c562