[INFO] cloning repository https://github.com/nakulbhuwalka/oacrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nakulbhuwalka/oacrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakulbhuwalka%2Foacrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakulbhuwalka%2Foacrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33ab7167b82f109259300574452595df7a53de35
[INFO] checking nakulbhuwalka/oacrust against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakulbhuwalka%2Foacrust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nakulbhuwalka/oacrust on toolchain cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nakulbhuwalka/oacrust
[INFO] finished tweaking git repo https://github.com/nakulbhuwalka/oacrust
[INFO] tweaked toml for git repo https://github.com/nakulbhuwalka/oacrust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nakulbhuwalka/oacrust 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" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa64c3c6d5433520d5aeb82db99a0847915d76ba0e3d3b287157e5e432ba5280
[INFO] running `Command { std: "docker" "start" "-a" "aa64c3c6d5433520d5aeb82db99a0847915d76ba0e3d3b287157e5e432ba5280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa64c3c6d5433520d5aeb82db99a0847915d76ba0e3d3b287157e5e432ba5280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa64c3c6d5433520d5aeb82db99a0847915d76ba0e3d3b287157e5e432ba5280", kill_on_drop: false }`
[INFO] [stdout] aa64c3c6d5433520d5aeb82db99a0847915d76ba0e3d3b287157e5e432ba5280
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d55662547ea746790192da7e76df81ccde64a8e974717b42ff3721e1c4361224
[INFO] running `Command { std: "docker" "start" "-a" "d55662547ea746790192da7e76df81ccde64a8e974717b42ff3721e1c4361224", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking aocrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `prob1` is never used
[INFO] [stdout]   --> src/bin/day3.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn prob1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day17.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut counter = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_counter` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob23` is never used
[INFO] [stdout]   --> src/bin/day17.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn prob23() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob22` is never used
[INFO] [stdout]   --> src/bin/day17.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn prob22() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob1` is never used
[INFO] [stdout]    --> src/bin/day17.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn prob1() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/bin/day18.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let val = get_next_positions(&HashSet::new(), 10, &Position { x: 5, y: 5 }, &trail, 4);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/bin/day6.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |             .find(|(x, c)| "<>^v".contains(*c))
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob1` is never used
[INFO] [stdout]   --> src/bin/day6.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn prob1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob1` is never used
[INFO] [stdout]   --> src/bin/day18.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn prob1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day11.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     for i in 0..25 {
[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: function `print_disk` is never used
[INFO] [stdout]   --> src/bin/day9_2.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn print_disk(disk: &Vec<Option<u64>>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day11.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     for i in 0..25 {
[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: function `prob1` is never used
[INFO] [stdout]    --> src/bin/day5.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn prob1() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob1` is never used
[INFO] [stdout]   --> src/bin/day3.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn prob1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LinkedList` and `VecDeque`
[INFO] [stdout]  --> src/bin/day16.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet, LinkedList, VecDeque};
[INFO] [stdout]   |                                          ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::consts`
[INFO] [stdout]  --> src/bin/day16.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/bin/day18.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let val = get_next_positions(&HashSet::new(), 10, &Position { x: 5, y: 5 }, &trail, 4);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob1` is never used
[INFO] [stdout]    --> src/bin/day5.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn prob1() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob1` is never used
[INFO] [stdout]   --> src/bin/day18.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn prob1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `LinkedList`, and `VecDeque`
[INFO] [stdout]  --> src/bin/day15.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet, LinkedList, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^           ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::consts`
[INFO] [stdout]  --> src/bin/day15.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_disk` is never used
[INFO] [stdout]   --> src/bin/day9_2.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn print_disk(disk: &Vec<Option<u64>>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_min3` is never used
[INFO] [stdout]    --> src/bin/day16.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn get_min3(list: &Vec<&Option<(i32, Vec<Position>)>>) -> Option<usize> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_x`
[INFO] [stdout]   --> src/bin/day14.rs:76:37
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn tree_factor(robots: &Vec<Robot>, max_x: i32, max_y: i32) -> i32 {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/bin/day6.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |             .find(|(x, c)| "<>^v".contains(*c))
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob1` is never used
[INFO] [stdout]   --> src/bin/day6.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn prob1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LinkedList` and `VecDeque`
[INFO] [stdout]  --> src/bin/day16.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet, LinkedList, VecDeque};
[INFO] [stdout]   |                                          ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::consts`
[INFO] [stdout]  --> src/bin/day16.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_min3` is never used
[INFO] [stdout]    --> src/bin/day16.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn get_min3(list: &Vec<&Option<(i32, Vec<Position>)>>) -> Option<usize> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `LinkedList`, and `VecDeque`
[INFO] [stdout]  --> src/bin/day15.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet, LinkedList, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^           ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::consts`
[INFO] [stdout]  --> src/bin/day15.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_x`
[INFO] [stdout]   --> src/bin/day14.rs:76:37
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn tree_factor(robots: &Vec<Robot>, max_x: i32, max_y: i32) -> i32 {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day17.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut counter = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_counter` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob23` is never used
[INFO] [stdout]   --> src/bin/day17.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn prob23() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob22` is never used
[INFO] [stdout]   --> src/bin/day17.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn prob22() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prob1` is never used
[INFO] [stdout]    --> src/bin/day17.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn prob1() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "d55662547ea746790192da7e76df81ccde64a8e974717b42ff3721e1c4361224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55662547ea746790192da7e76df81ccde64a8e974717b42ff3721e1c4361224", kill_on_drop: false }`
[INFO] [stdout] d55662547ea746790192da7e76df81ccde64a8e974717b42ff3721e1c4361224