[INFO] cloning repository https://github.com/jdashg/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdashg/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdashg%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdashg%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 012bbca398f82077cf76ef5020a6e171dfb9809a
[INFO] checking jdashg/aoc2021 against master#613bdd49978298648ed05ace086bd1ecad54b44a for pr-136458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdashg%2Faoc2021" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdashg/aoc2021 on toolchain 613bdd49978298648ed05ace086bd1ecad54b44a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jdashg/aoc2021
[INFO] finished tweaking git repo https://github.com/jdashg/aoc2021
[INFO] tweaked toml for git repo https://github.com/jdashg/aoc2021 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jdashg/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" "+613bdd49978298648ed05ace086bd1ecad54b44a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoise v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0e049eaf8c3f0de4beca001bdf8f3281ec56189eb02fbe1e36220799025c4b8
[INFO] running `Command { std: "docker" "start" "-a" "a0e049eaf8c3f0de4beca001bdf8f3281ec56189eb02fbe1e36220799025c4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e049eaf8c3f0de4beca001bdf8f3281ec56189eb02fbe1e36220799025c4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e049eaf8c3f0de4beca001bdf8f3281ec56189eb02fbe1e36220799025c4b8", kill_on_drop: false }`
[INFO] [stdout] a0e049eaf8c3f0de4beca001bdf8f3281ec56189eb02fbe1e36220799025c4b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf9731b5cd4b009a6c5f6cefd913a7915296766c9c160b1de9ffa8238ecf9ee8
[INFO] running `Command { std: "docker" "start" "-a" "cf9731b5cd4b009a6c5f6cefd913a7915296766c9c160b1de9ffa8238ecf9ee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking day5-1 v0.1.0 (/opt/rustwide/workdir/day5-1)
[INFO] [stderr]     Checking day19-1 v0.1.0 (/opt/rustwide/workdir/day19-1)
[INFO] [stderr]     Checking day20-1 v0.1.0 (/opt/rustwide/workdir/day20-1)
[INFO] [stderr]     Checking day24-1 v0.1.0 (/opt/rustwide/workdir/day24-1)
[INFO] [stderr]     Checking day25-1 v0.1.0 (/opt/rustwide/workdir/day25-1)
[INFO] [stderr]     Checking day14-2 v0.1.0 (/opt/rustwide/workdir/day14-2)
[INFO] [stderr]     Checking day4-2 v0.1.0 (/opt/rustwide/workdir/day4-2)
[INFO] [stderr]     Checking day8-2 v0.1.0 (/opt/rustwide/workdir/day8-2)
[INFO] [stderr]     Checking day9-2 v0.1.0 (/opt/rustwide/workdir/day9-2)
[INFO] [stderr]     Checking day6-1 v0.1.0 (/opt/rustwide/workdir/day6-1)
[INFO] [stderr]     Checking bitreader v0.3.4
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-1/src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -             let bval = (c == '#');
[INFO] [stdout] 51 +             let bval = c == '#';
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-1/src/main.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -             let bval = (c == '#');
[INFO] [stdout] 64 +             let bval = c == '#';
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> day9-2/src/main.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if (!(v < a && v < b)) { continue; }
[INFO] [stdout]    |                ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -             if (!(v < a && v < b)) { continue; }
[INFO] [stdout] 31 +             if !(v < a && v < b) { continue; }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> day9-2/src/main.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |             if (!(v < c && v < d)) { continue; }
[INFO] [stdout]    |                ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -             if (!(v < c && v < d)) { continue; }
[INFO] [stdout] 34 +             if !(v < c && v < d) { continue; }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day17-2 v0.1.0 (/opt/rustwide/workdir/day17-2)
[INFO] [stderr]     Checking day18-1 v0.1.0 (/opt/rustwide/workdir/day18-1)
[INFO] [stdout] warning: unused variable: `input2`
[INFO] [stdout]    --> day20-1/src/main.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 |    let input2 = "\
[INFO] [stdout]     |        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_input2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day9-1 v0.1.0 (/opt/rustwide/workdir/day9-1)
[INFO] [stdout] warning: method `invert` is never used
[INFO] [stdout]   --> day20-1/src/main.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl BigInt {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |    fn invert(&self) -> BigInt {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day22-1 v0.1.0 (/opt/rustwide/workdir/day22-1)
[INFO] [stderr]     Checking day11-1 v0.1.0 (/opt/rustwide/workdir/day11-1)
[INFO] [stderr]     Checking day13-2 v0.1.0 (/opt/rustwide/workdir/day13-2)
[INFO] [stdout] warning: unused variable: `remaining`
[INFO] [stdout]    --> day19-1/src/main.rs:210:14
[INFO] [stdout]     |
[INFO] [stdout] 210 |          let remaining = adrift.pings.len() - i;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_beacon_list`
[INFO] [stdout]    --> day19-1/src/main.rs:420:8
[INFO] [stdout]     |
[INFO] [stdout] 420 |    let actual_beacon_list = "\
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_beacon_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> day19-1/src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct Scanner {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 119 |    id: u64,
[INFO] [stdout]     |    ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> day9-1/src/main.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |             if (!(v < a && v < b)) { continue; }
[INFO] [stdout]    |                ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -             if (!(v < a && v < b)) { continue; }
[INFO] [stdout] 20 +             if !(v < a && v < b) { continue; }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> day9-1/src/main.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |             if (!(v < c && v < d)) { continue; }
[INFO] [stdout]    |                ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -             if (!(v < c && v < d)) { continue; }
[INFO] [stdout] 23 +             if !(v < c && v < d) { continue; }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> day24-1/src/main.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 |       let (name, args) = line.split_once(' ').unwrap();
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day23-1 v0.1.0 (/opt/rustwide/workdir/day23-1)
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]   --> day24-1/src/main.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |       let (reg, args) = line.split_once(' ').unwrap();
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> day24-1/src/main.rs:361:11
[INFO] [stdout]     |
[INFO] [stdout] 361 |       let c = if let AluInstArg::Lit(lit) = c.args[1] { lit }
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> day17-2/src/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |    let y = Range::from(sy);
[INFO] [stdout]    |        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-1/src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -             let bval = (c == '#');
[INFO] [stdout] 51 +             let bval = c == '#';
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-1/src/main.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -             let bval = (c == '#');
[INFO] [stdout] 64 +             let bval = c == '#';
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day5-2 v0.1.0 (/opt/rustwide/workdir/day5-2)
[INFO] [stderr]     Checking day16-1 v0.1.0 (/opt/rustwide/workdir/day16-1)
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> day24-1/src/main.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl AluProg {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 127 |    fn to_string(&self) -> String {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enumerate_run_states` is never used
[INFO] [stdout]    --> day24-1/src/main.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn enumerate_run_states(prog: &AluProg, mut state: AluState) -> Vec<AluState> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crack` is never used
[INFO] [stdout]    --> day24-1/src/main.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn crack(prog: &AluProg, zmod_out: i64) -> Vec<AluState> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day16-2 v0.1.0 (/opt/rustwide/workdir/day16-2)
[INFO] [stderr]     Checking day19-2 v0.1.0 (/opt/rustwide/workdir/day19-2)
[INFO] [stderr]     Checking day15-1 v0.1.0 (/opt/rustwide/workdir/day15-1)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> day17-2/src/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |    let y = Range::from(sy);
[INFO] [stdout]    |        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> day23-1/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> day23-1/src/main.rs:151:28
[INFO] [stdout]     |
[INFO] [stdout] 151 |             Amphipod::A => (coord.0 - 3),
[INFO] [stdout]     |                            ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 151 -             Amphipod::A => (coord.0 - 3),
[INFO] [stdout] 151 +             Amphipod::A => coord.0 - 3,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> day23-1/src/main.rs:152:28
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Amphipod::B => (coord.0 - 5),
[INFO] [stdout]     |                            ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 -             Amphipod::B => (coord.0 - 5),
[INFO] [stdout] 152 +             Amphipod::B => coord.0 - 5,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> day23-1/src/main.rs:153:28
[INFO] [stdout]     |
[INFO] [stdout] 153 |             Amphipod::C => (coord.0 - 7),
[INFO] [stdout]     |                            ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -             Amphipod::C => (coord.0 - 7),
[INFO] [stdout] 153 +             Amphipod::C => coord.0 - 7,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> day23-1/src/main.rs:154:28
[INFO] [stdout]     |
[INFO] [stdout] 154 |             Amphipod::D => (coord.0 - 9),
[INFO] [stdout]     |                            ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -             Amphipod::D => (coord.0 - 9),
[INFO] [stdout] 154 +             Amphipod::D => coord.0 - 9,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> day13-2/src/main.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl<T: Clone> Grid<T> {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 81 |    fn new() -> Grid<T> {
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input2`
[INFO] [stdout]    --> day20-1/src/main.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 |    let input2 = "\
[INFO] [stdout]     |        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_input2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day10-1 v0.1.0 (/opt/rustwide/workdir/day10-1)
[INFO] [stdout] warning: method `invert` is never used
[INFO] [stdout]   --> day20-1/src/main.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl BigInt {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |    fn invert(&self) -> BigInt {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day10-2 v0.1.0 (/opt/rustwide/workdir/day10-2)
[INFO] [stderr]     Checking day20-2 v0.1.0 (/opt/rustwide/workdir/day20-2)
[INFO] [stderr]     Checking day12-2 v0.1.0 (/opt/rustwide/workdir/day12-2)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day5-2/src/main.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 |       let mut dx = sign(line.b.x - line.a.x);
[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]   --> day5-2/src/main.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 |       let mut dy = sign(line.b.y - line.a.y);
[INFO] [stdout]    |           ----^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> day23-1/src/main.rs:44:36
[INFO] [stdout]    |
[INFO] [stdout] 44 |    coord_by_char.into_iter().map(|(c,coord)| coord).collect()
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining`
[INFO] [stdout]    --> day19-2/src/main.rs:213:14
[INFO] [stdout]     |
[INFO] [stdout] 213 |          let remaining = adrift.pings.len() - i;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-2/src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -             let bval = (c == '#');
[INFO] [stdout] 51 +             let bval = c == '#';
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-2/src/main.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -             let bval = (c == '#');
[INFO] [stdout] 64 +             let bval = c == '#';
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day5-2/src/main.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 |       let mut dx = sign(line.b.x - line.a.x);
[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]   --> day5-2/src/main.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 |       let mut dy = sign(line.b.y - line.a.y);
[INFO] [stdout]    |           ----^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]    --> day23-1/src/main.rs:393:8
[INFO] [stdout]     |
[INFO] [stdout] 393 |    let graph = make_house_graph();
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> day23-1/src/main.rs:514:8
[INFO] [stdout]     |
[INFO] [stdout] 514 |    let input = "\
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day19-2/src/main.rs:289:8
[INFO] [stdout]     |
[INFO] [stdout] 289 |    let mut iter = scanners.iter();
[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: `actual_beacon_list`
[INFO] [stdout]    --> day19-2/src/main.rs:444:8
[INFO] [stdout]     |
[INFO] [stdout] 444 |    let actual_beacon_list = "\
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_beacon_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day13-1 v0.1.0 (/opt/rustwide/workdir/day13-1)
[INFO] [stdout] warning: function `all_coords` is never used
[INFO] [stdout]   --> day23-1/src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn all_coords() -> Vec<Coord> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> day19-2/src/main.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | struct Scanner {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 120 |    id: u64,
[INFO] [stdout]     |    ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day14-1 v0.1.0 (/opt/rustwide/workdir/day14-1)
[INFO] [stderr]     Checking day21-1 v0.1.0 (/opt/rustwide/workdir/day21-1)
[INFO] [stderr]     Checking day21-2 v0.1.0 (/opt/rustwide/workdir/day21-2)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-2/src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -             let bval = (c == '#');
[INFO] [stdout] 51 +             let bval = c == '#';
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-2/src/main.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -             let bval = (c == '#');
[INFO] [stdout] 64 +             let bval = c == '#';
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> day23-1/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> day20-2/src/main.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 |    for i in 0..reps {
[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: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> day23-1/src/main.rs:151:28
[INFO] [stdout]     |
[INFO] [stdout] 151 |             Amphipod::A => (coord.0 - 3),
[INFO] [stdout]     |                            ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 151 -             Amphipod::A => (coord.0 - 3),
[INFO] [stdout] 151 +             Amphipod::A => coord.0 - 3,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> day23-1/src/main.rs:152:28
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Amphipod::B => (coord.0 - 5),
[INFO] [stdout]     |                            ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 -             Amphipod::B => (coord.0 - 5),
[INFO] [stdout] 152 +             Amphipod::B => coord.0 - 5,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> day23-1/src/main.rs:153:28
[INFO] [stdout]     |
[INFO] [stdout] 153 |             Amphipod::C => (coord.0 - 7),
[INFO] [stdout]     |                            ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -             Amphipod::C => (coord.0 - 7),
[INFO] [stdout] 153 +             Amphipod::C => coord.0 - 7,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> day23-1/src/main.rs:154:28
[INFO] [stdout]     |
[INFO] [stdout] 154 |             Amphipod::D => (coord.0 - 9),
[INFO] [stdout]     |                            ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -             Amphipod::D => (coord.0 - 9),
[INFO] [stdout] 154 +             Amphipod::D => coord.0 - 9,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day11-2 v0.1.0 (/opt/rustwide/workdir/day11-2)
[INFO] [stdout] warning: unused variable: `input2`
[INFO] [stdout]    --> day20-2/src/main.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 |    let input2 = "\
[INFO] [stdout]     |        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_input2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `invert` is never used
[INFO] [stdout]   --> day20-2/src/main.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl BigInt {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |    fn invert(&self) -> BigInt {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_bi` is never used
[INFO] [stdout]    --> day20-2/src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn print_bi(bi: &BigInt) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `println` is never used
[INFO] [stdout]    --> day20-2/src/main.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn println(grid: &SparseGrid) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day22-2 v0.1.0 (/opt/rustwide/workdir/day22-2)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> day20-2/src/main.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 |    for i in 0..reps {
[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: `input2`
[INFO] [stdout]    --> day20-2/src/main.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 |    let input2 = "\
[INFO] [stdout]     |        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_input2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `invert` is never used
[INFO] [stdout]   --> day20-2/src/main.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl BigInt {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |    fn invert(&self) -> BigInt {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_bi` is never used
[INFO] [stdout]    --> day20-2/src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn print_bi(bi: &BigInt) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `println` is never used
[INFO] [stdout]    --> day20-2/src/main.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn println(grid: &SparseGrid) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day12-1 v0.1.0 (/opt/rustwide/workdir/day12-1)
[INFO] [stdout] warning: unused variable: `remaining`
[INFO] [stdout]    --> day19-1/src/main.rs:210:14
[INFO] [stdout]     |
[INFO] [stdout] 210 |          let remaining = adrift.pings.len() - i;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_beacon_list`
[INFO] [stdout]    --> day19-1/src/main.rs:420:8
[INFO] [stdout]     |
[INFO] [stdout] 420 |    let actual_beacon_list = "\
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_beacon_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stdout] warning: struct `Dice` is never constructed
[INFO] [stdout]   --> day21-2/src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Dice {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling priority-queue v1.2.1
[INFO] [stdout] warning: associated items `new` and `roll` are never used
[INFO] [stdout]   --> day21-2/src/main.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Dice {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 33 |    fn new() -> Dice {
[INFO] [stdout]    |       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |    fn roll(&mut self) -> i64 {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> day19-1/src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct Scanner {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 119 |    id: u64,
[INFO] [stdout]     |    ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> day23-1/src/main.rs:44:36
[INFO] [stdout]    |
[INFO] [stdout] 44 |    coord_by_char.into_iter().map(|(c,coord)| coord).collect()
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `UniverseCountByPlayerState` is never used
[INFO] [stdout]   --> day21-2/src/main.rs:58:6
[INFO] [stdout]    |
[INFO] [stdout] 58 | type UniverseCountByPlayerState = HashMap<Player,i64>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day18-2 v0.1.0 (/opt/rustwide/workdir/day18-2)
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]    --> day23-1/src/main.rs:393:8
[INFO] [stdout]     |
[INFO] [stdout] 393 |    let graph = make_house_graph();
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day23-2 v0.1.0 (/opt/rustwide/workdir/day23-2)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> day23-1/src/main.rs:514:8
[INFO] [stdout]     |
[INFO] [stdout] 514 |    let input = "\
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_coords` is never used
[INFO] [stdout]   --> day23-1/src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn all_coords() -> Vec<Coord> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day17-1 v0.1.0 (/opt/rustwide/workdir/day17-1)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> day22-2/src/main.rs:252:8
[INFO] [stdout]     |
[INFO] [stdout] 252 |    let input = "\
[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] [stderr]     Checking day24-2 v0.1.0 (/opt/rustwide/workdir/day24-2)
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> day23-2/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> day23-2/src/main.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |             cost += (room_is_for as i64);
[INFO] [stdout]     |                     ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -             cost += (room_is_for as i64);
[INFO] [stdout] 115 +             cost += room_is_for as i64;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> day23-2/src/main.rs:313:29
[INFO] [stdout]     |
[INFO] [stdout] 313 |       let mut front_to_us = (2..=(from.1-1));
[INFO] [stdout]     |                             ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 313 -       let mut front_to_us = (2..=(from.1-1));
[INFO] [stdout] 313 +       let mut front_to_us = 2..=(from.1-1);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> day22-2/src/main.rs:252:8
[INFO] [stdout]     |
[INFO] [stdout] 252 |    let input = "\
[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: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> day23-2/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> day17-1/src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |    let y = Range::from(sy);
[INFO] [stdout]    |        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaEqZ6mn"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining`
[INFO] [stdout]    --> day19-2/src/main.rs:213:14
[INFO] [stdout]     |
[INFO] [stdout] 213 |          let remaining = adrift.pings.len() - i;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetajzJUKn"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day22-2` (bin "day22-2" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/bin/rustc --crate-name day22_2 --edition=2018 day22-2/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=2ed6172676b443d4 -C extra-filename=-fcbc223957eb149a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `day14-1` (bin "day14-1" test) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaercDwu"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day5-1` (bin "day5-1" test) due to 1 previous error
[INFO] [stderr] error: could not compile `day17-1` (bin "day17-1"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/bin/rustc --crate-name day17_1 --edition=2018 day17-1/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=bfc223fc4ecf7095 -C extra-filename=-5c5de4b8d2c082a8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcBvT8G4/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libautocfg-25a993b23e246124.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/priority-queue-4253b8e20197684a/build_script_build-4253b8e20197684a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
[INFO] [stdout]           Stack dump:
[INFO] [stdout]           0.    Program arguments: /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld -flavor gnu -plugin /usr/lib/gcc/x86_64-linux-gnu/11/liblto_plugin.so -plugin-opt=/usr/lib/gcc/x86_64-linux-gnu/11/lto-wrapper -plugin-opt=-fresolution=/tmp/ccxBtZCS.res --build-id --eh-frame-hdr -m elf_x86_64 --hash-style=gnu --as-needed -dynamic-linker /lib64/ld-linux-x86-64.so.2 -pie -z now -z relro -o /opt/rustwide/target/debug/build/priority-queue-4253b8e20197684a/build_script_build-4253b8e20197684a /usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu/Scrt1.o /usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu/crti.o /usr/lib/gcc/x86_64-linux-gnu/11/crtbeginS.o -L/opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib -L/opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld -L/usr/lib/gcc/x86_64-linux-gnu/11 -L/usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu -L/usr/lib/gcc/x86_64-linux-gnu/11/../../../../lib -L/lib/x86_64-linux-gnu -L/lib/../lib -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/11/../../.. /tmp/rustcBvT8G4/symbols.o /opt/rustwide/target/debug/build/priority-queue-4253b8e20197684a/build_script_build-4253b8e20197684a.build_script_build.84eff4a3c6694f12-cgu.0.rcgu.o /opt/rustwide/target/debug/build/priority-queue-4253b8e20197684a/build_script_build-4253b8e20197684a.bdundoa5zp9sy8epnhs0f26kq.rcgu.o --as-needed -Bstatic /opt/rustwide/target/debug/deps/libautocfg-25a993b23e246124.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-54c13a3455b13793.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-937ffd942b288dda.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-da6f782db703d0a4.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-8a98fc4e3d4ea7e4.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-2599820bf65c738a.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-7e163c41a75d59f5.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-47802c38acaa5d6b.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-72229264792cd23a.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-c5cefa89f2bb44b3.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0c9806bdce63fba2.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-1fd3312fe86f0fb3.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler2-872299ce5bd73ced.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-c8de652c37c5ed55.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-3d5963cec2dfb48d.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9a70dd751e922712.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-f370705f93870755.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-747298ada1b3fdc7.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1d31de6036608c8f.rlib /opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-556b38d672fe0f75.rlib -Bdynamic -lgcc_s -lutil -lrt -lpthread -lm -ldl -lc --eh-frame-hdr -z noexecstack --gc-sections -z relro -z now /usr/lib/gcc/x86_64-linux-gnu/11/crtendS.o /usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu/crtn.o
[INFO] [stdout]           LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day19-2` (bin "day19-2" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/bin/rustc --crate-name day19_2 --edition=2018 day19-2/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=f752499d54afd4c6 -C extra-filename=-345d723af46dd169 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] error: could not compile `day18-2` (bin "day18-2" test) due to 1 previous error
[INFO] [stderr] error: could not compile `priority-queue` (build script) due to 1 previous error
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> day23-2/src/main.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |    coord_by_char.into_iter().map(|(c,coord)| coord).collect()
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day23-2/src/main.rs:313:11
[INFO] [stdout]     |
[INFO] [stdout] 313 |       let mut front_to_us = (2..=(from.1-1));
[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: `args`
[INFO] [stdout]   --> day24-2/src/main.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 |       let (name, args) = line.split_once(' ').unwrap();
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]   --> day24-2/src/main.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |       let (reg, args) = line.split_once(' ').unwrap();
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> day23-2/src/main.rs:521:8
[INFO] [stdout]     |
[INFO] [stdout] 521 |    let input = "\
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> day23-2/src/main.rs:551:8
[INFO] [stdout]     |
[INFO] [stdout] 551 |    let input = "\
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> day23-2/src/main.rs:561:8
[INFO] [stdout]     |
[INFO] [stdout] 561 |    let input = "\
[INFO] [stdout]     |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MARKED_MAP` is never used
[INFO] [stdout]   --> day23-2/src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const MARKED_MAP: &str = "\
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_coords` is never used
[INFO] [stdout]   --> day23-2/src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn all_coords() -> Vec<Coord> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> day24-2/src/main.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 |       let (name, args) = line.split_once(' ').unwrap();
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]   --> day24-2/src/main.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |       let (reg, args) = line.split_once(' ').unwrap();
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> day24-2/src/main.rs:361:11
[INFO] [stdout]     |
[INFO] [stdout] 361 |       let c = if let AluInstArg::Lit(lit) = c.args[1] { lit }
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> day24-2/src/main.rs:398:9
[INFO] [stdout]     |
[INFO] [stdout] 398 |    for (input,state) in states.iter() {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> day24-2/src/main.rs:361:11
[INFO] [stdout]     |
[INFO] [stdout] 361 |       let c = if let AluInstArg::Lit(lit) = c.args[1] { lit }
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> day24-2/src/main.rs:398:9
[INFO] [stdout]     |
[INFO] [stdout] 398 |    for (input,state) in states.iter() {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> day24-2/src/main.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl AluProg {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 127 |    fn to_string(&self) -> String {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enumerate_run_states` is never used
[INFO] [stdout]    --> day24-2/src/main.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn enumerate_run_states(prog: &AluProg, mut state: AluState) -> Vec<AluState> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crack` is never used
[INFO] [stdout]    --> day24-2/src/main.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn crack(prog: &AluProg, zmod_out: i64) -> Vec<AluState> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> day24-2/src/main.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl AluProg {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 127 |    fn to_string(&self) -> String {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enumerate_run_states` is never used
[INFO] [stdout]    --> day24-2/src/main.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn enumerate_run_states(prog: &AluProg, mut state: AluState) -> Vec<AluState> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crack` is never used
[INFO] [stdout]    --> day24-2/src/main.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn crack(prog: &AluProg, zmod_out: i64) -> Vec<AluState> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day23-2` (bin "day23-2" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/613bdd49978298648ed05ace086bd1ecad54b44a/bin/rustc --crate-name day23_2 --edition=2018 day23-2/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=45b0dc9f0e009f6b -C extra-filename=-32c1dcde8628c2d8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustczAtrxf/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libautocfg-25a993b23e246124.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/indexmap-5c549e02c810e190/build_script_build-5c549e02c810e190" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `indexmap` (build script) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cf9731b5cd4b009a6c5f6cefd913a7915296766c9c160b1de9ffa8238ecf9ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf9731b5cd4b009a6c5f6cefd913a7915296766c9c160b1de9ffa8238ecf9ee8", kill_on_drop: false }`
[INFO] [stdout] cf9731b5cd4b009a6c5f6cefd913a7915296766c9c160b1de9ffa8238ecf9ee8