[INFO] cloning repository https://github.com/milewski/esp-puzzle-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milewski/esp-puzzle-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilewski%2Fesp-puzzle-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilewski%2Fesp-puzzle-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] affc86449821254fa0b5db0299660b01575b4912
[INFO] testing milewski/esp-puzzle-solver against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilewski%2Fesp-puzzle-solver" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/milewski/esp-puzzle-solver
[INFO] finished tweaking git repo https://github.com/milewski/esp-puzzle-solver
[INFO] tweaked toml for git repo https://github.com/milewski/esp-puzzle-solver written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/milewski/esp-puzzle-solver on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/milewski/esp-puzzle-solver 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbb68d72e77b34e530bfb1735438b9ea6d417c67374b5da7a665ca1c7bd8b261
[INFO] running `Command { std: "docker" "start" "-a" "dbb68d72e77b34e530bfb1735438b9ea6d417c67374b5da7a665ca1c7bd8b261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbb68d72e77b34e530bfb1735438b9ea6d417c67374b5da7a665ca1c7bd8b261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb68d72e77b34e530bfb1735438b9ea6d417c67374b5da7a665ca1c7bd8b261", kill_on_drop: false }`
[INFO] [stdout] dbb68d72e77b34e530bfb1735438b9ea6d417c67374b5da7a665ca1c7bd8b261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98ea9498afd5dda92b874dbdd2333d2de8aedff43b5419689275e59bba79e99d
[INFO] running `Command { std: "docker" "start" "-a" "98ea9498afd5dda92b874dbdd2333d2de8aedff43b5419689275e59bba79e99d", kill_on_drop: false }`
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling const-oid v0.10.0-pre.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling bitcoin-internals v0.3.0
[INFO] [stderr]    Compiling cc v1.1.7
[INFO] [stderr]    Compiling der v0.8.0-pre.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling bitcoin-io v0.1.2
[INFO] [stderr]    Compiling hex-conservative v0.2.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling bitcoin_hashes v0.14.0
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling hybrid-array v0.2.0-rc.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling bitcoin v0.32.2
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling clap_builder v4.5.13
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling secp256k1-sys v0.10.0
[INFO] [stderr]    Compiling spki v0.8.0-pre.0
[INFO] [stderr]    Compiling pkcs8 v0.11.0-pre.0
[INFO] [stderr]    Compiling crypto-common v0.2.0-pre.5
[INFO] [stderr]    Compiling sec1 v0.8.0-pre.1
[INFO] [stderr]    Compiling crypto-bigint v0.6.0-pre.12
[INFO] [stderr]    Compiling base58ck v0.1.0
[INFO] [stderr]    Compiling bitcoin-units v0.1.2
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling bech32 v0.11.0
[INFO] [stderr]    Compiling puzzle-solver v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling block-buffer v0.11.0-pre.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling digest v0.11.0-pre.8
[INFO] [stderr]    Compiling hmac v0.13.0-pre.3
[INFO] [stderr]    Compiling rfc6979 v0.5.0-pre.3
[INFO] [stderr]    Compiling signature v2.3.0-pre.3
[INFO] [stderr]    Compiling sha2 v0.11.0-pre.3
[INFO] [stderr]    Compiling bs58 v0.5.1
[INFO] [stderr]    Compiling human_format v1.1.0
[INFO] [stderr]    Compiling elliptic-curve v0.14.0-pre.5
[INFO] [stderr]    Compiling ecdsa v0.17.0-pre.5
[INFO] [stderr]    Compiling k256 v0.14.0-pre.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling secp256k1 v0.29.0
[INFO] [stderr]    Compiling clap v4.5.13
[INFO] [stdout] warning: unused import: `Add`
[INFO] [stdout]  --> src/worker.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, AddAssign, Sub};
[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: `k256::elliptic_curve::sec1::ToEncodedPoint`
[INFO] [stdout]   --> src/worker.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use k256::elliptic_curve::sec1::ToEncodedPoint;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]   --> src/puzzle.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Event {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reporter` is never read
[INFO] [stdout]   --> src/puzzle.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct PuzzleManager<T: Hasher + Sync + Send> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 16 |     puzzles: Puzzles,
[INFO] [stdout] 17 |     reporter: Arc<Mutex<Reporter>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_private_key` is never used
[INFO] [stdout]   --> src/puzzle.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Solution {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn to_private_key(&self) -> [u8; 32] {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/worker.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum Error {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `increments` is never read
[INFO] [stdout]   --> src/worker.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct Worker<T: Hasher + 'static> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     increments: BigUint,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compute` is never used
[INFO] [stdout]    --> src/worker.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout]  82 | / impl<T> Worker<T>
[INFO] [stdout]  83 | | where
[INFO] [stdout]  84 | |     T: Hasher + Send + Sync,
[INFO] [stdout]     | |____________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 182 |       fn compute(&self, increments: &BigUint) -> Option<Solution> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.67s
[INFO] running `Command { std: "docker" "inspect" "98ea9498afd5dda92b874dbdd2333d2de8aedff43b5419689275e59bba79e99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ea9498afd5dda92b874dbdd2333d2de8aedff43b5419689275e59bba79e99d", kill_on_drop: false }`
[INFO] [stdout] 98ea9498afd5dda92b874dbdd2333d2de8aedff43b5419689275e59bba79e99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ee92b42bdf16c901ea399483b98884f88d9bb642d124b49ab90e1eea47386e4
[INFO] running `Command { std: "docker" "start" "-a" "8ee92b42bdf16c901ea399483b98884f88d9bb642d124b49ab90e1eea47386e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzle-solver v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Add`
[INFO] [stdout]  --> src/worker.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, AddAssign, Sub};
[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: `k256::elliptic_curve::sec1::ToEncodedPoint`
[INFO] [stdout]   --> src/worker.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use k256::elliptic_curve::sec1::ToEncodedPoint;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]   --> src/puzzle.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Event {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reporter` is never read
[INFO] [stdout]   --> src/puzzle.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct PuzzleManager<T: Hasher + Sync + Send> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 16 |     puzzles: Puzzles,
[INFO] [stdout] 17 |     reporter: Arc<Mutex<Reporter>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/worker.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum Error {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `increments` is never read
[INFO] [stdout]   --> src/worker.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct Worker<T: Hasher + 'static> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     increments: BigUint,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compute` is never used
[INFO] [stdout]    --> src/worker.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout]  82 | / impl<T> Worker<T>
[INFO] [stdout]  83 | | where
[INFO] [stdout]  84 | |     T: Hasher + Send + Sync,
[INFO] [stdout]     | |____________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 182 |       fn compute(&self, increments: &BigUint) -> Option<Solution> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "8ee92b42bdf16c901ea399483b98884f88d9bb642d124b49ab90e1eea47386e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee92b42bdf16c901ea399483b98884f88d9bb642d124b49ab90e1eea47386e4", kill_on_drop: false }`
[INFO] [stdout] 8ee92b42bdf16c901ea399483b98884f88d9bb642d124b49ab90e1eea47386e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3233f7c2678c8cbda7d9f9e1d6549c7e3794555b751eae46e759bb2da5400eca
[INFO] running `Command { std: "docker" "start" "-a" "3233f7c2678c8cbda7d9f9e1d6549c7e3794555b751eae46e759bb2da5400eca", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Add`
[INFO] [stderr]  --> src/worker.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Add, AddAssign, Sub};
[INFO] [stderr]   |                ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `k256::elliptic_curve::sec1::ToEncodedPoint`
[INFO] [stderr]   --> src/worker.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use k256::elliptic_curve::sec1::ToEncodedPoint;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Event` is never used
[INFO] [stderr]   --> src/puzzle.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub enum Event {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `reporter` is never read
[INFO] [stderr]   --> src/puzzle.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct PuzzleManager<T: Hasher + Sync + Send> {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] 16 |     puzzles: Puzzles,
[INFO] [stderr] 17 |     reporter: Arc<Mutex<Reporter>>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Error` is never used
[INFO] [stderr]   --> src/worker.rs:68:6
[INFO] [stderr]    |
[INFO] [stderr] 68 | enum Error {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `increments` is never read
[INFO] [stderr]   --> src/worker.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub struct Worker<T: Hasher + 'static> {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 77 |     increments: BigUint,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `compute` is never used
[INFO] [stderr]    --> src/worker.rs:182:8
[INFO] [stderr]     |
[INFO] [stderr]  82 | / impl<T> Worker<T>
[INFO] [stderr]  83 | | where
[INFO] [stderr]  84 | |     T: Hasher + Send + Sync,
[INFO] [stderr]     | |____________________________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 182 |       fn compute(&self, increments: &BigUint) -> Option<Solution> {
[INFO] [stderr]     |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `puzzle-solver` (bin "puzzle-solver" test) generated 7 warnings (run `cargo fix --bin "puzzle-solver" -p puzzle-solver --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/puzzle_solver-b5d5c4283e602d0d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test puzzles::test::can_fetch_all_puzzles ... ok
[INFO] [stdout] test puzzles::test::puzzle_target_is_correct ... ok
[INFO] [stdout] test puzzles::test::error_when_puzzle_number_is_invalid ... ok
[INFO] [stdout] test worker::test::test_worker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3233f7c2678c8cbda7d9f9e1d6549c7e3794555b751eae46e759bb2da5400eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3233f7c2678c8cbda7d9f9e1d6549c7e3794555b751eae46e759bb2da5400eca", kill_on_drop: false }`
[INFO] [stdout] 3233f7c2678c8cbda7d9f9e1d6549c7e3794555b751eae46e759bb2da5400eca
