[INFO] cloning repository https://github.com/Anders429/advent2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Anders429/advent2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnders429%2Fadvent2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnders429%2Fadvent2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d57bb87a5c3d0ee2a50748e73515d4baa8d49cc8
[INFO] testing Anders429/advent2021 against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnders429%2Fadvent2021" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Anders429/advent2021 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Anders429/advent2021
[INFO] finished tweaking git repo https://github.com/Anders429/advent2021
[INFO] tweaked toml for git repo https://github.com/Anders429/advent2021 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Anders429/advent2021 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf88485d84f285e73cc90f2d1fc1f89744efc95e138712d79df5fe831f1ca44a
[INFO] running `Command { std: "docker" "start" "-a" "bf88485d84f285e73cc90f2d1fc1f89744efc95e138712d79df5fe831f1ca44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf88485d84f285e73cc90f2d1fc1f89744efc95e138712d79df5fe831f1ca44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf88485d84f285e73cc90f2d1fc1f89744efc95e138712d79df5fe831f1ca44a", kill_on_drop: false }`
[INFO] [stdout] bf88485d84f285e73cc90f2d1fc1f89744efc95e138712d79df5fe831f1ca44a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8304f4b5da499b2c1b3558340c7fdf4ebdaf0eeeab16cae7993e9c0e87b7803a
[INFO] running `Command { std: "docker" "start" "-a" "8304f4b5da499b2c1b3558340c7fdf4ebdaf0eeeab16cae7993e9c0e87b7803a", kill_on_drop: false }`
[INFO] [stderr]    Compiling util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling priority-queue v1.2.1
[INFO] [stderr]    Compiling day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]    Compiling day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]    Compiling day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]    Compiling day18 v0.1.0 (/opt/rustwide/workdir/day18)
[INFO] [stderr]    Compiling day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]    Compiling day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]    Compiling day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]    Compiling day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]    Compiling day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]    Compiling day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]    Compiling day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]    Compiling day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stdout] warning: unused import: `std::collections::*`
[INFO] [stdout]  --> day10/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> day10/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> day14/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> day04/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> day02/src/main.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn solve_2(input: &[usize]) -> usize {
[INFO] [stdout]    |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_2` is never used
[INFO] [stdout]   --> day02/src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn solve_2(input: &[usize]) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::*`
[INFO] [stdout]  --> day16/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> day16/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> day07/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> day07/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_abs_diff)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_abs_diff` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> day07/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_abs_diff)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> day18/src/main.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Self::Number(number) => None,
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> day08/src/main.rs:365:14
[INFO] [stdout]     |
[INFO] [stdout] 365 |         for (i, pattern) in raw_patterns.split_whitespace().enumerate() {
[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]    --> day08/src/main.rs:370:14
[INFO] [stdout]     |
[INFO] [stdout] 370 |         for (i, output) in raw_outputs.split_whitespace().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> day06/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day18/src/main.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let mut char_indices = s.char_indices();
[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: variable does not need to be mutable
[INFO] [stdout]  --> day16/src/main.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn read_bits(mut n: usize, bytes: &mut impl Iterator<Item = u8>, buffer: &mut usize, buffer_len: &mut usize) -> usize {
[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 import: `std::collections::*`
[INFO] [stdout]  --> day17/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day06/src/main.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn descendants(&self, mut days: usize) -> usize {
[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] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day07` (bin "day07") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8304f4b5da499b2c1b3558340c7fdf4ebdaf0eeeab16cae7993e9c0e87b7803a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8304f4b5da499b2c1b3558340c7fdf4ebdaf0eeeab16cae7993e9c0e87b7803a", kill_on_drop: false }`
[INFO] [stdout] 8304f4b5da499b2c1b3558340c7fdf4ebdaf0eeeab16cae7993e9c0e87b7803a
