[INFO] cloning repository https://github.com/nmoutschen/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nmoutschen/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmoutschen%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmoutschen%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38f80b66716d71b256118c0c6a1f82e7cee62427
[INFO] testing nmoutschen/advent-of-code-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%2Fnmoutschen%2Fadvent-of-code-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/nmoutschen/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/nmoutschen/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/nmoutschen/advent-of-code-2021 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nmoutschen/advent-of-code-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/nmoutschen/advent-of-code-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] 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] 67870ba43e9c909b50b54516311d028b9c990cf8b8356c64fdd7ebce9dfa30c2
[INFO] running `Command { std: "docker" "start" "-a" "67870ba43e9c909b50b54516311d028b9c990cf8b8356c64fdd7ebce9dfa30c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67870ba43e9c909b50b54516311d028b9c990cf8b8356c64fdd7ebce9dfa30c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67870ba43e9c909b50b54516311d028b9c990cf8b8356c64fdd7ebce9dfa30c2", kill_on_drop: false }`
[INFO] [stdout] 67870ba43e9c909b50b54516311d028b9c990cf8b8356c64fdd7ebce9dfa30c2
[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] f5a27366106fd1101fe808ef49afdb218505580bbb6ec6cfedea5e17f61cc34e
[INFO] running `Command { std: "docker" "start" "-a" "f5a27366106fd1101fe808ef49afdb218505580bbb6ec6cfedea5e17f61cc34e", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling advent-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_low_points` is never used
[INFO] [stdout]   --> src/challenges/c9.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Matrix {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 13 |     fn get_low_points(&self) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "f5a27366106fd1101fe808ef49afdb218505580bbb6ec6cfedea5e17f61cc34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a27366106fd1101fe808ef49afdb218505580bbb6ec6cfedea5e17f61cc34e", kill_on_drop: false }`
[INFO] [stdout] f5a27366106fd1101fe808ef49afdb218505580bbb6ec6cfedea5e17f61cc34e
[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] 44e3e6af8eba124b7d914161762fd967def4334e746be8eff8733c0e77a0f87b
[INFO] running `Command { std: "docker" "start" "-a" "44e3e6af8eba124b7d914161762fd967def4334e746be8eff8733c0e77a0f87b", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_low_points` is never used
[INFO] [stdout]   --> src/challenges/c9.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Matrix {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 13 |     fn get_low_points(&self) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_low_points` is never used
[INFO] [stdout]   --> src/challenges/c9.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Matrix {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 13 |     fn get_low_points(&self) -> Vec<u32> {
[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 0.61s
[INFO] running `Command { std: "docker" "inspect" "44e3e6af8eba124b7d914161762fd967def4334e746be8eff8733c0e77a0f87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e3e6af8eba124b7d914161762fd967def4334e746be8eff8733c0e77a0f87b", kill_on_drop: false }`
[INFO] [stdout] 44e3e6af8eba124b7d914161762fd967def4334e746be8eff8733c0e77a0f87b
[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] 0dc092496092d67d6ed7f8e2784b963118ab554cd47d3ea354620d7c57f357c4
[INFO] running `Command { std: "docker" "start" "-a" "0dc092496092d67d6ed7f8e2784b963118ab554cd47d3ea354620d7c57f357c4", kill_on_drop: false }`
[INFO] [stderr] warning: method `get_low_points` is never used
[INFO] [stderr]   --> src/challenges/c9.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Matrix {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 13 |     fn get_low_points(&self) -> Vec<u32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-2021` (lib) generated 1 warning
[INFO] [stderr] warning: `advent-2021` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent_2021-439f486c39a4e9b5)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_2021-a0d4491fb8cc99df)
[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] [stderr]    Doc-tests advent_2021
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/challenges/c8.rs - challenges::c8::parse_line (line 21) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/challenges/c8.rs - challenges::c8::parse_line (line 21) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `b`
[INFO] [stdout]  --> src/challenges/c8.rs:23:1
[INFO] [stdout]   |
[INFO] [stdout] 1 |  aaaa
[INFO] [stdout]   |      - expected one of `!` or `::`
[INFO] [stdout] 2 | b    c
[INFO] [stdout]   | ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/challenges/c8.rs - challenges::c8::parse_line (line 21)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0dc092496092d67d6ed7f8e2784b963118ab554cd47d3ea354620d7c57f357c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc092496092d67d6ed7f8e2784b963118ab554cd47d3ea354620d7c57f357c4", kill_on_drop: false }`
[INFO] [stdout] 0dc092496092d67d6ed7f8e2784b963118ab554cd47d3ea354620d7c57f357c4
