[INFO] cloning repository https://github.com/Alex6323/pow-preview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alex6323/pow-preview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex6323%2Fpow-preview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex6323%2Fpow-preview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7101567c75636243cbe04e65467564c273ed69a
[INFO] checking Alex6323/pow-preview against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex6323%2Fpow-preview" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Alex6323/pow-preview
[INFO] finished tweaking git repo https://github.com/Alex6323/pow-preview
[INFO] tweaked toml for git repo https://github.com/Alex6323/pow-preview written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Alex6323/pow-preview on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Alex6323/pow-preview 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded lock_api v0.3.2
[INFO] [stderr]   Downloaded pin-project-lite v0.1.1
[INFO] [stderr]   Downloaded smallvec v1.0.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.0
[INFO] [stderr]   Downloaded tokio v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66fa30ac2b9d4d193f9498342905769db796ff8d2fac572e9c74c0fab536e1fd
[INFO] running `Command { std: "docker" "start" "-a" "66fa30ac2b9d4d193f9498342905769db796ff8d2fac572e9c74c0fab536e1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66fa30ac2b9d4d193f9498342905769db796ff8d2fac572e9c74c0fab536e1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66fa30ac2b9d4d193f9498342905769db796ff8d2fac572e9c74c0fab536e1fd", kill_on_drop: false }`
[INFO] [stdout] 66fa30ac2b9d4d193f9498342905769db796ff8d2fac572e9c74c0fab536e1fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1100df950e2bd3a38ca20c06d070f4242f504b868ea5bd0a89b16c7ade7d6b4a
[INFO] running `Command { std: "docker" "start" "-a" "1100df950e2bd3a38ca20c06d070f4242f504b868ea5bd0a89b16c7ade7d6b4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking bee-pow-preview3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::convert`
[INFO] [stdout]    --> src/curl/mod.rs:111:16
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use crate::convert::*;
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                unresolved import
[INFO] [stdout]     |                help: a similar path exists: `core::convert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NONCE_HASH_POS`
[INFO] [stdout]  --> src/main.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::constants::{CURL_HASH_LENGTH, NONCE_HASH_POS, NONCE_TX_POS, TRANSACTION_LENGTH};
[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/pearldiver.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     use super::*;
[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: `NONCE_HASH_POS`
[INFO] [stdout]  --> src/main.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::constants::{CURL_HASH_LENGTH, NONCE_HASH_POS, NONCE_TX_POS, TRANSACTION_LENGTH};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bee-pow-preview3` (bin "bee-pow-preview3" test) due to 1 previous error; 3 warnings emitted
[INFO] [stdout] warning: unused variable: `search`
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let search = pdiver.search_async(&transaction);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_search`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/curl/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Curl {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new(num_rounds: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Cancelled` is never constructed
[INFO] [stdout]   --> src/pearldiver.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub enum PearlDiverState {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 42 |     Cancelled,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PearlDiverState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prestate` and `pdiver` are never read
[INFO] [stdout]   --> src/pearldiver.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct PearlDiverSearch {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 56 |     prestate: Curl64State,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 57 |     pdiver: PearlDiver,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cancel` is never used
[INFO] [stdout]    --> src/pearldiver.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout]  60 | impl PearlDiver {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn cancel(&mut self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `search`
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let search = pdiver.search_async(&transaction);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_search`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1100df950e2bd3a38ca20c06d070f4242f504b868ea5bd0a89b16c7ade7d6b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1100df950e2bd3a38ca20c06d070f4242f504b868ea5bd0a89b16c7ade7d6b4a", kill_on_drop: false }`
[INFO] [stdout] 1100df950e2bd3a38ca20c06d070f4242f504b868ea5bd0a89b16c7ade7d6b4a
