[INFO] fetching crate progpow 0.1.0...
[INFO] testing progpow-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate progpow 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate progpow 0.1.0
[INFO] finished tweaking crates.io crate progpow 0.1.0
[INFO] tweaked toml for crates.io crate progpow 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate progpow 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 122 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.37.4 (available: v0.72.1)
[INFO] [stderr]       Adding byteorder v0.5.3 (available: v1.5.0)
[INFO] [stderr]       Adding dirs v1.0.5 (available: v6.0.0)
[INFO] [stderr]       Adding proc-macro2 v0.3.5 (available: v0.3.8)
[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] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5a1d3dc4537e01b3868bf99788c876804340b24b6169ec5715235a9c30f569b7
[INFO] running `Command { std: "docker" "start" "-a" "5a1d3dc4537e01b3868bf99788c876804340b24b6169ec5715235a9c30f569b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a1d3dc4537e01b3868bf99788c876804340b24b6169ec5715235a9c30f569b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1d3dc4537e01b3868bf99788c876804340b24b6169ec5715235a9c30f569b7", kill_on_drop: false }`
[INFO] [stdout] 5a1d3dc4537e01b3868bf99788c876804340b24b6169ec5715235a9c30f569b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f1094592bcb1fd8197d75190e32cb4d0f483e1ffeb341c99cd4249a8ebdfb231
[INFO] running `Command { std: "docker" "start" "-a" "f1094592bcb1fd8197d75190e32cb4d0f483e1ffeb341c99cd4249a8ebdfb231", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling uint v0.7.1
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling bigint v4.4.3
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling parity-codec v3.5.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling impl-codec v0.2.0
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling primitive-types v0.3.0
[INFO] [stderr]    Compiling keccak-hash v0.2.0
[INFO] [stderr]    Compiling progpow_cpu v0.1.0
[INFO] [stderr]    Compiling progpow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[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: `File`
[INFO] [stdout]  --> src/hardware/cpu.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{self, File};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/hardware/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OptimizeFor`
[INFO] [stdout]  --> src/hardware/cpu.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | use progpow_cpu::cache::{NodeCacheBuilder, OptimizeFor};
[INFO] [stdout]   |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PoW` and `light_compute`
[INFO] [stdout]  --> src/hardware/cpu.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use progpow_cpu::compute::{light_compute, PoW};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NO_INITIALIZED` should have an upper camel case name
[INFO] [stdout]   --> src/types.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     NO_INITIALIZED,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NoInitialized`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/hardware/cpu.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epoch`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:51
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_epoch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boundary`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:63
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boundary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.93s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f1094592bcb1fd8197d75190e32cb4d0f483e1ffeb341c99cd4249a8ebdfb231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1094592bcb1fd8197d75190e32cb4d0f483e1ffeb341c99cd4249a8ebdfb231", kill_on_drop: false }`
[INFO] [stdout] f1094592bcb1fd8197d75190e32cb4d0f483e1ffeb341c99cd4249a8ebdfb231
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 501a706901fdbb01cc023f7707305d75ab16806a81038569021d41ef1134dc74
[INFO] running `Command { std: "docker" "start" "-a" "501a706901fdbb01cc023f7707305d75ab16806a81038569021d41ef1134dc74", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[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: `File`
[INFO] [stdout]  --> src/hardware/cpu.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{self, File};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/hardware/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OptimizeFor`
[INFO] [stdout]  --> src/hardware/cpu.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | use progpow_cpu::cache::{NodeCacheBuilder, OptimizeFor};
[INFO] [stdout]   |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PoW` and `light_compute`
[INFO] [stdout]  --> src/hardware/cpu.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use progpow_cpu::compute::{light_compute, PoW};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NO_INITIALIZED` should have an upper camel case name
[INFO] [stdout]   --> src/types.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     NO_INITIALIZED,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NoInitialized`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling progpow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/hardware/cpu.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epoch`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:51
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_epoch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boundary`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:63
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boundary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[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: `File`
[INFO] [stdout]  --> src/hardware/cpu.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{self, File};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/hardware/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OptimizeFor`
[INFO] [stdout]  --> src/hardware/cpu.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | use progpow_cpu::cache::{NodeCacheBuilder, OptimizeFor};
[INFO] [stdout]   |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PoW` and `light_compute`
[INFO] [stdout]  --> src/hardware/cpu.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use progpow_cpu::compute::{light_compute, PoW};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NO_INITIALIZED` should have an upper camel case name
[INFO] [stdout]   --> src/types.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     NO_INITIALIZED,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NoInitialized`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `gpu`
[INFO] [stdout]   --> src/lib.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     #[cfg(feature = "gpu")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cuda`, `opencl`, `progpow_gpu_cuda`, and `progpow_gpu_opencl`
[INFO] [stdout]    = help: consider adding `gpu` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bigint::uint::U256`
[INFO] [stdout]   --> src/lib.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     use bigint::uint::U256;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/hardware/cpu.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epoch`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:51
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_epoch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boundary`
[INFO] [stdout]   --> src/hardware/cpu.rs:69:63
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stdout]    |                                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boundary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let (value, mix) = pp_cpu.verify(&header_hash, height, nonce).unwrap();
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "501a706901fdbb01cc023f7707305d75ab16806a81038569021d41ef1134dc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501a706901fdbb01cc023f7707305d75ab16806a81038569021d41ef1134dc74", kill_on_drop: false }`
[INFO] [stdout] 501a706901fdbb01cc023f7707305d75ab16806a81038569021d41ef1134dc74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 26abe82c4085d9922311a12015a58392f2b73f49c5f8363fcd84136a640230a1
[INFO] running `Command { std: "docker" "start" "-a" "26abe82c4085d9922311a12015a58392f2b73f49c5f8363fcd84136a640230a1", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/hardware/cpu.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{self, File};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/hardware/cpu.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OptimizeFor`
[INFO] [stderr]  --> src/hardware/cpu.rs:7:44
[INFO] [stderr]   |
[INFO] [stderr] 7 | use progpow_cpu::cache::{NodeCacheBuilder, OptimizeFor};
[INFO] [stderr]   |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PoW` and `light_compute`
[INFO] [stderr]  --> src/hardware/cpu.rs:8:28
[INFO] [stderr]   |
[INFO] [stderr] 8 | use progpow_cpu::compute::{light_compute, PoW};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `NO_INITIALIZED` should have an upper camel case name
[INFO] [stderr]   --> src/types.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     NO_INITIALIZED,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NoInitialized`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/hardware/cpu.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `header`
[INFO] [stderr]   --> src/hardware/cpu.rs:69:20
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stderr]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/hardware/cpu.rs:69:38
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stderr]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `epoch`
[INFO] [stderr]   --> src/hardware/cpu.rs:69:51
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stderr]    |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_epoch`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `boundary`
[INFO] [stderr]   --> src/hardware/cpu.rs:69:63
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn compute(&self, header: [u8; 32], height: u64, epoch: i32, boundary: u64) {
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boundary`
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `gpu`
[INFO] [stderr]   --> src/lib.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 |     #[cfg(feature = "gpu")]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `cuda`, `opencl`, `progpow_gpu_cuda`, and `progpow_gpu_opencl`
[INFO] [stderr]    = help: consider adding `gpu` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/lib.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bigint::uint::U256`
[INFO] [stderr]   --> src/lib.rs:21:6
[INFO] [stderr]    |
[INFO] [stderr] 21 |     use bigint::uint::U256;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/lib.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let (value, mix) = pp_cpu.verify(&header_hash, height, nonce).unwrap();
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: `progpow` (lib) generated 11 warnings (run `cargo fix --lib -p progpow` to apply 9 suggestions)
[INFO] [stderr] warning: `progpow` (lib test) generated 15 warnings (11 duplicates) (run `cargo fix --lib -p progpow --tests` to apply 3 suggestions)
[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: bigint v4.4.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/progpow-d58cba6860e59c1f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_compute_cpu ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 43.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests progpow
[INFO] [stderr] warning: variant `NO_INITIALIZED` should have an upper camel case name
[INFO] [stderr]   --> src/types.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     NO_INITIALIZED,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NoInitialized`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "26abe82c4085d9922311a12015a58392f2b73f49c5f8363fcd84136a640230a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26abe82c4085d9922311a12015a58392f2b73f49c5f8363fcd84136a640230a1", kill_on_drop: false }`
[INFO] [stdout] 26abe82c4085d9922311a12015a58392f2b73f49c5f8363fcd84136a640230a1
