[INFO] cloning repository https://github.com/codingpog/Simple_Blockchain_With_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codingpog/Simple_Blockchain_With_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodingpog%2FSimple_Blockchain_With_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodingpog%2FSimple_Blockchain_With_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77b88bf64acd2199f5a47cef5b5139e76560ed71
[INFO] testing codingpog/Simple_Blockchain_With_Rust against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodingpog%2FSimple_Blockchain_With_Rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/codingpog/Simple_Blockchain_With_Rust
[INFO] finished tweaking git repo https://github.com/codingpog/Simple_Blockchain_With_Rust
[INFO] tweaked toml for git repo https://github.com/codingpog/Simple_Blockchain_With_Rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codingpog/Simple_Blockchain_With_Rust on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/codingpog/Simple_Blockchain_With_Rust 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.2.9
[INFO] [stderr]   Downloaded spmc v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bd0898ee296b7595c509b62b3233a2fbb3b490d85fc8c8f486d05719b05cb73
[INFO] running `Command { std: "docker" "start" "-a" "8bd0898ee296b7595c509b62b3233a2fbb3b490d85fc8c8f486d05719b05cb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd0898ee296b7595c509b62b3233a2fbb3b490d85fc8c8f486d05719b05cb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd0898ee296b7595c509b62b3233a2fbb3b490d85fc8c8f486d05719b05cb73", kill_on_drop: false }`
[INFO] [stdout] 8bd0898ee296b7595c509b62b3233a2fbb3b490d85fc8c8f486d05719b05cb73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 904a2f952b4360da0776902d891db8e3365f905c14b1f943f62936cc3fc670b5
[INFO] running `Command { std: "docker" "start" "-a" "904a2f952b4360da0776902d891db8e3365f905c14b1f943f62936cc3fc670b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling spmc v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling a3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/queue.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[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 variable: `send_output_shared`
[INFO] [stdout]   --> src/queue.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let send_output_shared = Arc::new(Box::new(send_output.clone()));           
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_output_shared`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/queue.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/block.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let _ = q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/block.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let _ = q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/queue.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&mut self) -> mpsc::Iter<TaskType::Output> {
[INFO] [stdout]    |                 ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&mut self) -> mpsc::Iter<'_, TaskType::Output> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a3::block::Block`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a3::block::Block;
[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: `Mutex`
[INFO] [stdout]  --> src/queue.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_output_shared`
[INFO] [stdout]   --> src/queue.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let send_output_shared = Arc::new(Box::new(send_output.clone()));           
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_output_shared`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/queue.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Task` is never used
[INFO] [stdout]  --> src/queue.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Task {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WorkQueue` is never constructed
[INFO] [stdout]   --> src/queue.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WorkQueue<TaskType: 'static + Task + Send> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/queue.rs:19:12
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl<TaskType: 'static + Task + Send> WorkQueue<TaskType> {
[INFO] [stdout]     | --------------------------------------------------------- associated items in this implementation
[INFO] [stdout]  19 |     pub fn new(n_workers: usize) -> WorkQueue<TaskType> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     fn run(recv_tasks: spmc::Receiver<TaskType>, send_output: mpsc::Sender<TaskType::Output>) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     pub fn enqueue(&mut self, t: TaskType) -> Result<(), spmc::SendError<TaskType>> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     pub fn iter(&mut self) -> mpsc::Iter<TaskType::Output> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     pub fn recv(&mut self) -> TaskType::Output {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn try_recv(&mut self) -> Result<TaskType::Output, mpsc::TryRecvError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn recv_timeout(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn shutdown(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/queue.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&mut self) -> mpsc::Iter<TaskType::Output> {
[INFO] [stdout]    |                 ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&mut self) -> mpsc::Iter<'_, TaskType::Output> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "904a2f952b4360da0776902d891db8e3365f905c14b1f943f62936cc3fc670b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904a2f952b4360da0776902d891db8e3365f905c14b1f943f62936cc3fc670b5", kill_on_drop: false }`
[INFO] [stdout] 904a2f952b4360da0776902d891db8e3365f905c14b1f943f62936cc3fc670b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c80b0f4530a5a8eda5fd5d93e99df6ecdfee23e7a968d1a931b18aa749944bf
[INFO] running `Command { std: "docker" "start" "-a" "2c80b0f4530a5a8eda5fd5d93e99df6ecdfee23e7a968d1a931b18aa749944bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling a3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/queue.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[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 variable: `send_output_shared`
[INFO] [stdout]   --> src/queue.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let send_output_shared = Arc::new(Box::new(send_output.clone()));           
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_output_shared`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/queue.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/block.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let _ = q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/block.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let _ = q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/queue.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&mut self) -> mpsc::Iter<TaskType::Output> {
[INFO] [stdout]    |                 ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&mut self) -> mpsc::Iter<'_, TaskType::Output> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a3::block::Block`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a3::block::Block;
[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: `Mutex`
[INFO] [stdout]  --> src/queue.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_output_shared`
[INFO] [stdout]   --> src/queue.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let send_output_shared = Arc::new(Box::new(send_output.clone()));           
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_output_shared`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/queue.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Task` is never used
[INFO] [stdout]  --> src/queue.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Task {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WorkQueue` is never constructed
[INFO] [stdout]   --> src/queue.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WorkQueue<TaskType: 'static + Task + Send> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/queue.rs:19:12
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl<TaskType: 'static + Task + Send> WorkQueue<TaskType> {
[INFO] [stdout]     | --------------------------------------------------------- associated items in this implementation
[INFO] [stdout]  19 |     pub fn new(n_workers: usize) -> WorkQueue<TaskType> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     fn run(recv_tasks: spmc::Receiver<TaskType>, send_output: mpsc::Sender<TaskType::Output>) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     pub fn enqueue(&mut self, t: TaskType) -> Result<(), spmc::SendError<TaskType>> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     pub fn iter(&mut self) -> mpsc::Iter<TaskType::Output> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     pub fn recv(&mut self) -> TaskType::Output {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn try_recv(&mut self) -> Result<TaskType::Output, mpsc::TryRecvError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn recv_timeout(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn shutdown(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/queue.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&mut self) -> mpsc::Iter<TaskType::Output> {
[INFO] [stdout]    |                 ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&mut self) -> mpsc::Iter<'_, TaskType::Output> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/queue.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[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 variable: `send_output_shared`
[INFO] [stdout]   --> src/queue.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let send_output_shared = Arc::new(Box::new(send_output.clone()));           
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_output_shared`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/queue.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VALID_HASH_STRING` is never used
[INFO] [stdout]   --> src/block_tests.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |         const VALID_HASH_STRING: & str = "4a1c722d8021346fa2f440d7f0bbaa585e632f68fd20fed812fc944613b92500:2:7:this is not interesting:40";
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VALID_HASH` is never used
[INFO] [stdout]   --> src/block_tests.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |         const VALID_HASH : &str = "ba2f9bf0f9ec629db726f1a5fe7312eb76270459e3f5bfdc4e213df9e47cd380";
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VALID_HASH_STRING` is never used
[INFO] [stdout]   --> src/block_tests.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 | ...   const VALID_HASH_STRING: & str = "a42b7e319ee2dee845f1eb842c31dac60a94c04432319638ec1b9f989d000000:2:20:this is not interesting:101...
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VALID_HASH` is never used
[INFO] [stdout]   --> src/block_tests.rs:51:15
[INFO] [stdout]    |
[INFO] [stdout] 51 |         const VALID_HASH : &str = "6c589f7a3d2df217fdb39cd969006bc8651a0a3251ffb50470cbc9a0e4d00000";
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/block.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let _ = q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/block.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let _ = q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/queue.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&mut self) -> mpsc::Iter<TaskType::Output> {
[INFO] [stdout]    |                 ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&mut self) -> mpsc::Iter<'_, TaskType::Output> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "2c80b0f4530a5a8eda5fd5d93e99df6ecdfee23e7a968d1a931b18aa749944bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c80b0f4530a5a8eda5fd5d93e99df6ecdfee23e7a968d1a931b18aa749944bf", kill_on_drop: false }`
[INFO] [stdout] 2c80b0f4530a5a8eda5fd5d93e99df6ecdfee23e7a968d1a931b18aa749944bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a790019a0e97114eef1ce72db09efe6f266b8ad5418c2ca21215c26e2b1a94f2
[INFO] running `Command { std: "docker" "start" "-a" "a790019a0e97114eef1ce72db09efe6f266b8ad5418c2ca21215c26e2b1a94f2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Mutex`
[INFO] [stderr]  --> src/queue.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `send_output_shared`
[INFO] [stderr]   --> src/queue.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let send_output_shared = Arc::new(Box::new(send_output.clone()));           
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_output_shared`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/queue.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 Err(e) => {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/block.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |             q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let _ = q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/block.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 147 |             let _ = q.enqueue(MiningTask::new(block_clone, start_chunk, end_chunk));
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/queue.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn iter(&mut self) -> mpsc::Iter<TaskType::Output> {
[INFO] [stderr]    |                 ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn iter(&mut self) -> mpsc::Iter<'_, TaskType::Output> {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: constant `VALID_HASH_STRING` is never used
[INFO] [stderr]   --> src/block_tests.rs:35:15
[INFO] [stderr]    |
[INFO] [stderr] 35 |         const VALID_HASH_STRING: & str = "4a1c722d8021346fa2f440d7f0bbaa585e632f68fd20fed812fc944613b92500:2:7:this is not interesting:40";
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `VALID_HASH` is never used
[INFO] [stderr]   --> src/block_tests.rs:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 |         const VALID_HASH : &str = "ba2f9bf0f9ec629db726f1a5fe7312eb76270459e3f5bfdc4e213df9e47cd380";
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `VALID_HASH_STRING` is never used
[INFO] [stderr]   --> src/block_tests.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 | ...   const VALID_HASH_STRING: & str = "a42b7e319ee2dee845f1eb842c31dac60a94c04432319638ec1b9f989d000000:2:20:this is not interesting:101...
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `VALID_HASH` is never used
[INFO] [stderr]   --> src/block_tests.rs:51:15
[INFO] [stderr]    |
[INFO] [stderr] 51 |         const VALID_HASH : &str = "6c589f7a3d2df217fdb39cd969006bc8651a0a3251ffb50470cbc9a0e4d00000";
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `a3` (lib) generated 6 warnings (run `cargo fix --lib -p a3` to apply 4 suggestions)
[INFO] [stderr] warning: `a3` (lib test) generated 10 warnings (6 duplicates)
[INFO] [stderr] warning: unused import: `a3::block::Block`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use a3::block::Block;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Mutex`
[INFO] [stderr]  --> src/queue.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Task` is never used
[INFO] [stderr]  --> src/queue.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub trait Task {
[INFO] [stderr]   |           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WorkQueue` is never constructed
[INFO] [stderr]   --> src/queue.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct WorkQueue<TaskType: 'static + Task + Send> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/queue.rs:19:12
[INFO] [stderr]     |
[INFO] [stderr]  18 | impl<TaskType: 'static + Task + Send> WorkQueue<TaskType> {
[INFO] [stderr]     | --------------------------------------------------------- associated items in this implementation
[INFO] [stderr]  19 |     pub fn new(n_workers: usize) -> WorkQueue<TaskType> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  51 |     fn run(recv_tasks: spmc::Receiver<TaskType>, send_output: mpsc::Sender<TaskType::Output>) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr]  83 |     pub fn enqueue(&mut self, t: TaskType) -> Result<(), spmc::SendError<TaskType>> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  93 |     pub fn iter(&mut self) -> mpsc::Iter<TaskType::Output> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr]  96 |     pub fn recv(&mut self) -> TaskType::Output {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 101 |     pub fn try_recv(&mut self) -> Result<TaskType::Output, mpsc::TryRecvError> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 104 |     pub fn recv_timeout(
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 111 |     pub fn shutdown(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `a3` (bin "a3" test) generated 8 warnings (3 duplicates) (run `cargo fix --bin "a3" -p a3 --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/a3-1712bc12849b9c31)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test block_tests::block_tests::hash ... ok
[INFO] [stdout] test block_tests::block_tests::mine_difficulity_7 ... ok
[INFO] [stdout] test queue_tests::queue_tests::thread_leak ... ok
[INFO] [stdout] test queue_tests::queue_tests::concurrently ... FAILED
[INFO] [stdout] test queue_tests::queue_tests::basics ... ok
[INFO] [stdout] test queue_tests::queue_tests::stop ... ok
[INFO] [stdout] test block_tests::block_tests::mine_difficulity_20 ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test block_tests::block_tests::miners_speed ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- queue_tests::queue_tests::concurrently stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'queue_tests::queue_tests::concurrently' (29) panicked at src/queue_tests.rs:87:9:
[INFO] [stdout] Queue appears to not be running tasks concurrently: n_workers tasks should be happening in parallel. Took 1412 ms, expected 1000 ms,
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5df071f07262 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5df071f07262 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5df071f07262 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x5df071f07262 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x5df071f17767 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5df071f17767 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x5df071ed5de6 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5df071ed5de6 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5df071ee6629 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x5df071ee6629 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5df071ee64c1 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5df071ea1b8e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5df071ea1b8e - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5df071ee68a2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5df071ee68a2 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5df071ee66e8 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5df071ee1b69 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x5df071ecabad - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5df071f1ed6c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5df071e71e4c - a3::queue_tests::queue_tests::concurrently::habf4e8f36caf39dc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/queue_tests.rs:87:9
[INFO] [stdout]   20:     0x5df071e72097 - a3::queue_tests::queue_tests::concurrently::{{closure}}::h704225e4b4ae0c60
[INFO] [stdout]                                at /opt/rustwide/workdir/src/queue_tests.rs:62:22
[INFO] [stdout]   21:     0x5df071e55fd6 - core::ops::function::FnOnce::call_once::h0ae79c81444ab0e4
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5df071ea19bb - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5df071ea19bb - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x5df071eb534a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x5df071eb534a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x5df071eb534a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x5df071eb534a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5df071eb534a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5df071eb534a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x5df071eb534a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x5df071e8f5e4 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x5df071e8f5e4 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   33:     0x5df071e92f12 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   34:     0x5df071e92f12 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x5df071e92f12 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x5df071e92f12 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x5df071e92f12 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5df071e92f12 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   39:     0x5df071e92f12 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5df071edd1ff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   41:     0x5df071edd1ff - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x704ef1561aa4 - <unknown>
[INFO] [stdout]   43:     0x704ef15eea64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     queue_tests::queue_tests::concurrently
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 35.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a790019a0e97114eef1ce72db09efe6f266b8ad5418c2ca21215c26e2b1a94f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a790019a0e97114eef1ce72db09efe6f266b8ad5418c2ca21215c26e2b1a94f2", kill_on_drop: false }`
[INFO] [stdout] a790019a0e97114eef1ce72db09efe6f266b8ad5418c2ca21215c26e2b1a94f2
