[INFO] cloning repository https://github.com/Baiumka/rust_miner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Baiumka/rust_miner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaiumka%2Frust_miner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaiumka%2Frust_miner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbcf918677bb29e9f7398ddb4ce5f48ec958a2c1
[INFO] checking Baiumka/rust_miner against master#a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaiumka%2Frust_miner" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Baiumka/rust_miner
[INFO] finished tweaking git repo https://github.com/Baiumka/rust_miner
[INFO] tweaked toml for git repo https://github.com/Baiumka/rust_miner written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Baiumka/rust_miner on toolchain a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Baiumka/rust_miner 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" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b90048a4994f9ebe9156dd8ac1ae8d9ee5758a698d3244539f8dda10a71688
[INFO] running `Command { std: "docker" "start" "-a" "f1b90048a4994f9ebe9156dd8ac1ae8d9ee5758a698d3244539f8dda10a71688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b90048a4994f9ebe9156dd8ac1ae8d9ee5758a698d3244539f8dda10a71688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b90048a4994f9ebe9156dd8ac1ae8d9ee5758a698d3244539f8dda10a71688", kill_on_drop: false }`
[INFO] [stdout] f1b90048a4994f9ebe9156dd8ac1ae8d9ee5758a698d3244539f8dda10a71688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf0ed722cc9e45e7251cacae9e6f30041fa73d5fb03332f01e9469e78774f8c
[INFO] running `Command { std: "docker" "start" "-a" "caf0ed722cc9e45e7251cacae9e6f30041fa73d5fb03332f01e9469e78774f8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling ic-cdk-executor v0.1.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking ic0 v0.23.0
[INFO] [stderr]     Checking pretty v0.12.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling candid_derive v0.6.6
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling ic_principal v0.1.1
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling serde_tokenstream v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]    Compiling candid v0.10.14
[INFO] [stderr]    Compiling ic-cdk-macros v0.17.2
[INFO] [stderr]     Checking ic-cdk v0.17.2
[INFO] [stderr]     Checking ic-cdk-timers v0.11.0
[INFO] [stderr]     Checking types v0.1.0 (/opt/rustwide/workdir/src/miner_backend/types)
[INFO] [stderr]     Checking miner_backend v0.1.0 (/opt/rustwide/workdir/src/miner_backend)
[INFO] [stderr]     Checking miner_node v0.1.0 (/opt/rustwide/workdir/src/miner_backend/miner_node)
[INFO] [stderr]     Checking box_node v0.1.0 (/opt/rustwide/workdir/src/miner_backend/box_node)
[INFO] [stdout] error: couldn't read `src/miner_backend/src/../../../target/wasm32-unknown-unknown/release/box_node.wasm`: No such file or directory (os error 2)
[INFO] [stdout]   --> src/miner_backend/src/lib.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | const BOX_NODE_WASM: &[u8] = include_bytes!("../../../target/wasm32-unknown-unknown/release/box_node.wasm");
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/miner_backend/src/../../../target/wasm32-unknown-unknown/release/miner_node.wasm`: No such file or directory (os error 2)
[INFO] [stdout]   --> src/miner_backend/src/lib.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 | const MINER_NODE_WASM: &[u8] = include_bytes!("../../../target/wasm32-unknown-unknown/release/miner_node.wasm");
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `set_timer`
[INFO] [stdout]   --> src/miner_backend/src/lib.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ic_cdk_timers::{set_timer};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:467:7
[INFO] [stdout]     |
[INFO] [stdout] 467 |     if(award < MIN_MINER_COST)
[INFO] [stdout]     |       ^                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 467 -     if(award < MIN_MINER_COST)
[INFO] [stdout] 467 +     if award < MIN_MINER_COST 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:477:15
[INFO] [stdout]     |
[INFO] [stdout] 477 |             if(balance >= award.clone() + FEE)
[INFO] [stdout]     |               ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 477 -             if(balance >= award.clone() + FEE)
[INFO] [stdout] 477 +             if balance >= award.clone() + FEE 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:541:7
[INFO] [stdout]     |
[INFO] [stdout] 541 |     if(award < MIN_BOX_COST)
[INFO] [stdout]     |       ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 541 -     if(award < MIN_BOX_COST)
[INFO] [stdout] 541 +     if award < MIN_BOX_COST 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:551:15
[INFO] [stdout]     |
[INFO] [stdout] 551 |             if(balance >= award.clone() + FEE)
[INFO] [stdout]     |               ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 551 -             if(balance >= award.clone() + FEE)
[INFO] [stdout] 551 +             if balance >= award.clone() + FEE 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/miner_backend/src/../../../target/wasm32-unknown-unknown/release/box_node.wasm`: No such file or directory (os error 2)
[INFO] [stdout]   --> src/miner_backend/src/lib.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | const BOX_NODE_WASM: &[u8] = include_bytes!("../../../target/wasm32-unknown-unknown/release/box_node.wasm");
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/miner_backend/src/../../../target/wasm32-unknown-unknown/release/miner_node.wasm`: No such file or directory (os error 2)
[INFO] [stdout]   --> src/miner_backend/src/lib.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 | const MINER_NODE_WASM: &[u8] = include_bytes!("../../../target/wasm32-unknown-unknown/release/miner_node.wasm");
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types as T`
[INFO] [stdout]  --> src/miner_backend/box_node/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use types as T;
[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: `set_timer`
[INFO] [stdout]   --> src/miner_backend/src/lib.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ic_cdk_timers::{set_timer};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:467:7
[INFO] [stdout]     |
[INFO] [stdout] 467 |     if(award < MIN_MINER_COST)
[INFO] [stdout]     |       ^                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 467 -     if(award < MIN_MINER_COST)
[INFO] [stdout] 467 +     if award < MIN_MINER_COST 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:477:15
[INFO] [stdout]     |
[INFO] [stdout] 477 |             if(balance >= award.clone() + FEE)
[INFO] [stdout]     |               ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 477 -             if(balance >= award.clone() + FEE)
[INFO] [stdout] 477 +             if balance >= award.clone() + FEE 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:541:7
[INFO] [stdout]     |
[INFO] [stdout] 541 |     if(award < MIN_BOX_COST)
[INFO] [stdout]     |       ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 541 -     if(award < MIN_BOX_COST)
[INFO] [stdout] 541 +     if award < MIN_BOX_COST 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:551:15
[INFO] [stdout]     |
[INFO] [stdout] 551 |             if(balance >= award.clone() + FEE)
[INFO] [stdout]     |               ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 551 -             if(balance >= award.clone() + FEE)
[INFO] [stdout] 551 +             if balance >= award.clone() + FEE 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types as T`
[INFO] [stdout]  --> src/miner_backend/box_node/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use types as T;
[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: `types as T`
[INFO] [stdout]  --> src/miner_backend/miner_node/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use types as T;
[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: `std::time::Duration`
[INFO] [stdout]  --> src/miner_backend/miner_node/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types as T`
[INFO] [stdout]  --> src/miner_backend/miner_node/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use types as T;
[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: `std::time::Duration`
[INFO] [stdout]  --> src/miner_backend/miner_node/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:655:37
[INFO] [stdout]     |
[INFO] [stdout] 655 | ...                   Err(e) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:665:13
[INFO] [stdout]     |
[INFO] [stdout] 665 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:487:24
[INFO] [stdout]     |
[INFO] [stdout] 487 |                     Ok(index) => {                              
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:698:37
[INFO] [stdout]     |
[INFO] [stdout] 698 | ...                   Err(e) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:708:13
[INFO] [stdout]     |
[INFO] [stdout] 708 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:561:24
[INFO] [stdout]     |
[INFO] [stdout] 561 |                     Ok(index) => {                              
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miner_backend` (lib) due to 2 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:655:37
[INFO] [stdout]     |
[INFO] [stdout] 655 | ...                   Err(e) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:665:13
[INFO] [stdout]     |
[INFO] [stdout] 665 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:487:24
[INFO] [stdout]     |
[INFO] [stdout] 487 |                     Ok(index) => {                              
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:698:37
[INFO] [stdout]     |
[INFO] [stdout] 698 | ...                   Err(e) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:708:13
[INFO] [stdout]     |
[INFO] [stdout] 708 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/miner_backend/src/lib.rs:561:24
[INFO] [stdout]     |
[INFO] [stdout] 561 |                     Ok(index) => {                              
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miner_backend` (lib test) due to 2 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "caf0ed722cc9e45e7251cacae9e6f30041fa73d5fb03332f01e9469e78774f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf0ed722cc9e45e7251cacae9e6f30041fa73d5fb03332f01e9469e78774f8c", kill_on_drop: false }`
[INFO] [stdout] caf0ed722cc9e45e7251cacae9e6f30041fa73d5fb03332f01e9469e78774f8c
