[INFO] cloning repository https://github.com/dmeklund/advent-of-code-2021-deklund
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmeklund/advent-of-code-2021-deklund" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmeklund%2Fadvent-of-code-2021-deklund", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmeklund%2Fadvent-of-code-2021-deklund'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a26e0f9d7b03885508c283f6298740ce3ac7c2d6
[INFO] checking dmeklund/advent-of-code-2021-deklund against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmeklund%2Fadvent-of-code-2021-deklund" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dmeklund/advent-of-code-2021-deklund
[INFO] finished tweaking git repo https://github.com/dmeklund/advent-of-code-2021-deklund
[INFO] tweaked toml for git repo https://github.com/dmeklund/advent-of-code-2021-deklund written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dmeklund/advent-of-code-2021-deklund on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dmeklund/advent-of-code-2021-deklund 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray v0.15.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1070f7d70e1c778779847b1bfd703c524bae34cd8ca524a14fc7092a76d50fd
[INFO] running `Command { std: "docker" "start" "-a" "c1070f7d70e1c778779847b1bfd703c524bae34cd8ca524a14fc7092a76d50fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1070f7d70e1c778779847b1bfd703c524bae34cd8ca524a14fc7092a76d50fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1070f7d70e1c778779847b1bfd703c524bae34cd8ca524a14fc7092a76d50fd", kill_on_drop: false }`
[INFO] [stdout] c1070f7d70e1c778779847b1bfd703c524bae34cd8ca524a14fc7092a76d50fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 320c855d9763ac7b204a700055b66a11c2c0b3eb759f3c229345f4703ea8616d
[INFO] running `Command { std: "docker" "start" "-a" "320c855d9763ac7b204a700055b66a11c2c0b3eb759f3c229345f4703ea8616d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]     Checking advent-of-code-2021-deklund v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]   --> src/bin/day4.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         for ind in 0..bingo.boards.len() {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day4.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(bingo: &Bingo) -> BingoResults {
[INFO] [stdout]    |                   ^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(bingo: &Bingo) -> BingoResults<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NdIndex`
[INFO] [stdout]  --> src/bin/day9.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray::{Array2, NdIndex};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `simulate_day` is never used
[INFO] [stdout]  --> src/bin/day6.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl LanternFish {
[INFO] [stdout]   | ---------------- method in this implementation
[INFO] [stdout] 9 |     fn simulate_day(&mut self) -> Option<LanternFish> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `simulate_day` and `count` are never used
[INFO] [stdout]   --> src/bin/day6.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl LanternFishSet {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn simulate_day(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn count(&self) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `digit`
[INFO] [stdout]   --> src/bin/day8.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for (digit, segments) in &digitmap {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_digit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mappings`
[INFO] [stdout]    --> src/bin/day8.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let mappings = find_mapping(&display);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mappings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NdIndex`
[INFO] [stdout]  --> src/bin/day9.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray::{Array2, NdIndex};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `simulate_day` is never used
[INFO] [stdout]  --> src/bin/day6.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl LanternFish {
[INFO] [stdout]   | ---------------- method in this implementation
[INFO] [stdout] 9 |     fn simulate_day(&mut self) -> Option<LanternFish> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `simulate_day` and `count` are never used
[INFO] [stdout]   --> src/bin/day6.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl LanternFishSet {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn simulate_day(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn count(&self) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `digit`
[INFO] [stdout]   --> src/bin/day8.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for (digit, segments) in &digitmap {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_digit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]   --> src/bin/day4.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         for ind in 0..bingo.boards.len() {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mappings`
[INFO] [stdout]    --> src/bin/day8.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let mappings = find_mapping(&display);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mappings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day4.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(bingo: &Bingo) -> BingoResults {
[INFO] [stdout]    |                   ^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(bingo: &Bingo) -> BingoResults<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `anum`
[INFO] [stdout]    --> src/bin/day9.rs:162:22
[INFO] [stdout]     |
[INFO] [stdout] 162 |     sizes.sort_by(|&(anum, asize), &(bnum, bsize)| asize.cmp(&bsize));
[INFO] [stdout]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_anum`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bnum`
[INFO] [stdout]    --> src/bin/day9.rs:162:38
[INFO] [stdout]     |
[INFO] [stdout] 162 |     sizes.sort_by(|&(anum, asize), &(bnum, bsize)| asize.cmp(&bsize));
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_bnum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `anum`
[INFO] [stdout]    --> src/bin/day9.rs:162:22
[INFO] [stdout]     |
[INFO] [stdout] 162 |     sizes.sort_by(|&(anum, asize), &(bnum, bsize)| asize.cmp(&bsize));
[INFO] [stdout]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_anum`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bnum`
[INFO] [stdout]    --> src/bin/day9.rs:162:38
[INFO] [stdout]     |
[INFO] [stdout] 162 |     sizes.sort_by(|&(anum, asize), &(bnum, bsize)| asize.cmp(&bsize));
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_bnum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.65s
[INFO] running `Command { std: "docker" "inspect" "320c855d9763ac7b204a700055b66a11c2c0b3eb759f3c229345f4703ea8616d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320c855d9763ac7b204a700055b66a11c2c0b3eb759f3c229345f4703ea8616d", kill_on_drop: false }`
[INFO] [stdout] 320c855d9763ac7b204a700055b66a11c2c0b3eb759f3c229345f4703ea8616d
