[INFO] cloning repository https://github.com/twigoftilia/aoc-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twigoftilia/aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwigoftilia%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwigoftilia%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18392191973616161a57f0ae7c4e06cb05f04280
[INFO] testing twigoftilia/aoc-2021 against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwigoftilia%2Faoc-2021" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/twigoftilia/aoc-2021
[INFO] finished tweaking git repo https://github.com/twigoftilia/aoc-2021
[INFO] tweaked toml for git repo https://github.com/twigoftilia/aoc-2021 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/twigoftilia/aoc-2021 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/twigoftilia/aoc-2021 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c188ae109bdb593ee4a50f9b73957b4bd0d6c43ba318bfe92efe602d26ad8cb
[INFO] running `Command { std: "docker" "start" "-a" "0c188ae109bdb593ee4a50f9b73957b4bd0d6c43ba318bfe92efe602d26ad8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c188ae109bdb593ee4a50f9b73957b4bd0d6c43ba318bfe92efe602d26ad8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c188ae109bdb593ee4a50f9b73957b4bd0d6c43ba318bfe92efe602d26ad8cb", kill_on_drop: false }`
[INFO] [stdout] 0c188ae109bdb593ee4a50f9b73957b4bd0d6c43ba318bfe92efe602d26ad8cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1872e417e30b4c2a204c64f7cf9a4fc1bac6013e5186d306b8fbd805d9cc227
[INFO] running `Command { std: "docker" "start" "-a" "f1872e417e30b4c2a204c64f7cf9a4fc1bac6013e5186d306b8fbd805d9cc227", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling simba v0.5.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling nalgebra v0.28.0
[INFO] [stderr]    Compiling advent_of_code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_inclusive_range` is never used
[INFO] [stdout]   --> src/lib.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn test_inclusive_range(str: &str, min: &i32, max: &i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/bin/day14.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/day13.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/bin/day13.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/bin/day13.rs:129:1
[INFO] [stdout]     |
[INFO] [stdout] 129 | mod tests {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/bin/day02.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let dir = pair.first().unwrap().deref();
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/bin/day02.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let val: i32 = pair.last().unwrap().deref().parse().unwrap();
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/bin/day02.rs:48:40
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let dir = pair.first().unwrap().deref();
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/bin/day02.rs:49:44
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let val: i32 = pair.last().unwrap().deref().parse().unwrap();
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `INPUT_EXAMPLE` is never used
[INFO] [stdout]    --> src/bin/day13.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 |     static INPUT_EXAMPLE: &str = include_str!(r"../../inputs/day13-example.txt");
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_u8_seg` is never used
[INFO] [stdout]    --> src/bin/day08.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn fmt_u8_seg(n: u8) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/day14.rs:16:56
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let max = map.iter().max_by_key(|(_, v)| *v).map(|(k, v)| v).unwrap();
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/day14.rs:17:56
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let min = map.iter().min_by_key(|(_, v)| *v).map(|(k, v)| v).unwrap();
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.28.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "f1872e417e30b4c2a204c64f7cf9a4fc1bac6013e5186d306b8fbd805d9cc227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1872e417e30b4c2a204c64f7cf9a4fc1bac6013e5186d306b8fbd805d9cc227", kill_on_drop: false }`
[INFO] [stdout] f1872e417e30b4c2a204c64f7cf9a4fc1bac6013e5186d306b8fbd805d9cc227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 387053faa62993aed5d4e9cffbcec8bddac4d3ec0d4f790ba022efbedf7be01a
[INFO] running `Command { std: "docker" "start" "-a" "387053faa62993aed5d4e9cffbcec8bddac4d3ec0d4f790ba022efbedf7be01a", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_inclusive_range` is never used
[INFO] [stdout]   --> src/lib.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn test_inclusive_range(str: &str, min: &i32, max: &i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/day13.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/bin/day14.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_inclusive_range` is never used
[INFO] [stdout]   --> src/lib.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn test_inclusive_range(str: &str, min: &i32, max: &i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/bin/day02.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let dir = pair.first().unwrap().deref();
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/bin/day02.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let val: i32 = pair.last().unwrap().deref().parse().unwrap();
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/bin/day02.rs:48:40
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let dir = pair.first().unwrap().deref();
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/bin/day02.rs:49:44
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let val: i32 = pair.last().unwrap().deref().parse().unwrap();
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/day10.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let (p1, p2) = puzzle_1_and_2(INPUT).unwrap();
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/day10.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let (p1, p2) = puzzle_1_and_2(INPUT).unwrap();
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/day10.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (p1, p2) = puzzle_1_and_2(INPUT_EXAMPLE).unwrap();
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/day10.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let (p1, p2) = puzzle_1_and_2(INPUT_EXAMPLE).unwrap();
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/day14.rs:16:56
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let max = map.iter().max_by_key(|(_, v)| *v).map(|(k, v)| v).unwrap();
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/day14.rs:17:56
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let min = map.iter().min_by_key(|(_, v)| *v).map(|(k, v)| v).unwrap();
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_u8_seg` is never used
[INFO] [stdout]    --> src/bin/day08.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn fmt_u8_seg(n: u8) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.28.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "387053faa62993aed5d4e9cffbcec8bddac4d3ec0d4f790ba022efbedf7be01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387053faa62993aed5d4e9cffbcec8bddac4d3ec0d4f790ba022efbedf7be01a", kill_on_drop: false }`
[INFO] [stdout] 387053faa62993aed5d4e9cffbcec8bddac4d3ec0d4f790ba022efbedf7be01a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b17b966cb83d7a9b8b0f824a1e2ccda75bf9a252ff75b173358987f4465883b4
[INFO] running `Command { std: "docker" "start" "-a" "b17b966cb83d7a9b8b0f824a1e2ccda75bf9a252ff75b173358987f4465883b4", kill_on_drop: false }`
[INFO] [stderr] warning: function `test_inclusive_range` is never used
[INFO] [stderr]   --> src/lib.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn test_inclusive_range(str: &str, min: &i32, max: &i32) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code_2021` (lib) generated 1 warning
[INFO] [stderr] warning: `advent_of_code_2021` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused variable: `p2`
[INFO] [stderr]   --> src/bin/day10.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let (p1, p2) = puzzle_1_and_2(INPUT).unwrap();
[INFO] [stderr]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]   --> src/bin/day10.rs:68:14
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let (p1, p2) = puzzle_1_and_2(INPUT).unwrap();
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2`
[INFO] [stderr]   --> src/bin/day10.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let (p1, p2) = puzzle_1_and_2(INPUT_EXAMPLE).unwrap();
[INFO] [stderr]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]   --> src/bin/day10.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let (p1, p2) = puzzle_1_and_2(INPUT_EXAMPLE).unwrap();
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stderr] 
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stderr]   --> src/bin/day02.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let dir = pair.first().unwrap().deref();
[INFO] [stderr]    |                                        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stderr]   --> src/bin/day02.rs:22:44
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let val: i32 = pair.last().unwrap().deref().parse().unwrap();
[INFO] [stderr]    |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stderr]   --> src/bin/day02.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let dir = pair.first().unwrap().deref();
[INFO] [stderr]    |                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stderr]   --> src/bin/day02.rs:49:44
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let val: i32 = pair.last().unwrap().deref().parse().unwrap();
[INFO] [stderr]    |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fmt_u8_seg` is never used
[INFO] [stderr]    --> src/bin/day08.rs:184:4
[INFO] [stderr]     |
[INFO] [stderr] 184 | fn fmt_u8_seg(n: u8) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/bin/day13.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/bin/day14.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> src/bin/day14.rs:16:56
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let max = map.iter().max_by_key(|(_, v)| *v).map(|(k, v)| v).unwrap();
[INFO] [stderr]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> src/bin/day14.rs:17:56
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let min = map.iter().min_by_key(|(_, v)| *v).map(|(k, v)| v).unwrap();
[INFO] [stderr]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code_2021` (bin "day10" test) generated 4 warnings
[INFO] [stderr] warning: `advent_of_code_2021` (bin "day02" test) generated 4 warnings
[INFO] [stderr] warning: `advent_of_code_2021` (bin "day08" test) generated 1 warning
[INFO] [stderr] warning: `advent_of_code_2021` (bin "day13" test) generated 1 warning (run `cargo fix --bin "day13" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `advent_of_code_2021` (bin "day14" test) generated 3 warnings (run `cargo fix --bin "day14" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.28.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent_of_code_2021-57db4802eea41679)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code_2021-54a4bbd77dff172f)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day01.rs (/opt/rustwide/target/debug/deps/day01-c77899681bc0e8c7)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::example_first ... ok
[INFO] [stdout] test tests::second_solution ... ok
[INFO] [stdout] test tests::first_solution ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day02.rs (/opt/rustwide/target/debug/deps/day02-bf5b885427bffb98)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::example_first ... ok
[INFO] [stdout] test tests::second_solution ... ok
[INFO] [stdout] test tests::example_second ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin day02`
[INFO] [stdout] test tests::first_solution ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::first_solution stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::first_solution' (32) panicked at src/bin/day02.rs:77:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 1962940
[INFO] [stdout]  right: 150
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x58b306c74a42 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58b306c74a42 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58b306c74a42 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x58b306c74a42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x58b306c84c1f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x58b306c84c1f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x58b306c41fb1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x58b306c41fb1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x58b306c4e012 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x58b306c52b5f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x58b306c529f1 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x58b306c0f1de - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x58b306c0f1de - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x58b306c5321f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x58b306c5321f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x58b306c5307a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x58b306c4e149 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x58b306c3648d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x58b306c8c5a0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x58b306c8c443 - core::panicking::assert_failed_inner::h448e1d534f4c3d4b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x58b306c6233c - core::panicking::assert_failed::h0d15de03de2e06c1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x58b306bed93a - day02::tests::first_solution::h683ce42292530a84
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/day02.rs:77:9
[INFO] [stdout]   22:     0x58b306bed987 - day02::tests::first_solution::{{closure}}::h131e099bc3bb62a7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/day02.rs:76:24
[INFO] [stdout]   23:     0x58b306beabc6 - core::ops::function::FnOnce::call_once::h0baa9d562b4a3f25
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x58b306c0ef9b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x58b306c0ef9b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x58b306c24c05 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x58b306c24c05 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x58b306c24c05 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x58b306c24c05 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x58b306c24c05 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x58b306c24c05 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x58b306c24c05 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x58b306bfb3f4 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x58b306bfb3f4 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x58b306bfecba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x58b306bfecba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x58b306bfecba - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x58b306bfecba - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x58b306bfecba - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x58b306bfecba - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x58b306bfecba - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x58b306c492af - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x58b306c492af - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x733a511c6aa4 - <unknown>
[INFO] [stdout]   45:     0x733a51253a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::first_solution
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b17b966cb83d7a9b8b0f824a1e2ccda75bf9a252ff75b173358987f4465883b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17b966cb83d7a9b8b0f824a1e2ccda75bf9a252ff75b173358987f4465883b4", kill_on_drop: false }`
[INFO] [stdout] b17b966cb83d7a9b8b0f824a1e2ccda75bf9a252ff75b173358987f4465883b4
