[INFO] cloning repository https://github.com/thesems/blockchain-utxo-rust
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[INFO] building thesems/blockchain-utxo-rust against master#eb171a227f9e5de5d376b6edb56b174bc8235fb3 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthesems%2Fblockchain-utxo-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/thesems/blockchain-utxo-rust
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[INFO] [stderr]    Compiling ember-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chrono::DateTime`
[INFO] [stdout]  --> src/blockchain.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use chrono::DateTime;
[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 imports: `block_header::BlockHeader` and `merkle_tree::generate_merkle_root`
[INFO] [stdout]   --> src/blockchain.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     block::{block_header::BlockHeader, Block},
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |         merkle_tree::generate_merkle_root,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/network/node.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transactions_tx`
[INFO] [stdout]   --> src/blockchain.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let (transactions_tx, transactions_rx) = unbounded::<Transaction>();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transactions_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `account` is never read
[INFO] [stdout]   --> src/blockchain.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Blockchain {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     account: Arc<Account>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "84e49d4219b45a4dcc04bf126e472e382613d0a00add26a71ee625f42761f8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e49d4219b45a4dcc04bf126e472e382613d0a00add26a71ee625f42761f8db", kill_on_drop: false }`
[INFO] [stdout] 84e49d4219b45a4dcc04bf126e472e382613d0a00add26a71ee625f42761f8db
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 117f88b79141b54665d9ff16722b6cda47415c09c30f7bfde2ecf25ea8099aab
[INFO] running `Command { std: "docker" "start" "-a" "117f88b79141b54665d9ff16722b6cda47415c09c30f7bfde2ecf25ea8099aab", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `chrono::DateTime`
[INFO] [stdout]  --> src/blockchain.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use chrono::DateTime;
[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 imports: `block_header::BlockHeader` and `merkle_tree::generate_merkle_root`
[INFO] [stdout]   --> src/blockchain.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     block::{block_header::BlockHeader, Block},
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |         merkle_tree::generate_merkle_root,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ember-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/network/node.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transactions_tx`
[INFO] [stdout]   --> src/blockchain.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let (transactions_tx, transactions_rx) = unbounded::<Transaction>();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transactions_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `account` is never read
[INFO] [stdout]   --> src/blockchain.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Blockchain {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     account: Arc<Account>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::DateTime`
[INFO] [stdout]  --> src/blockchain.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use chrono::DateTime;
[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 imports: `block_header::BlockHeader` and `merkle_tree::generate_merkle_root`
[INFO] [stdout]   --> src/blockchain.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     block::{block_header::BlockHeader, Block},
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |         merkle_tree::generate_merkle_root,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/network/node.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transactions_tx`
[INFO] [stdout]   --> src/blockchain.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let (transactions_tx, transactions_rx) = unbounded::<Transaction>();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transactions_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `account` is never read
[INFO] [stdout]   --> src/blockchain.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Blockchain {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     account: Arc<Account>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "117f88b79141b54665d9ff16722b6cda47415c09c30f7bfde2ecf25ea8099aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "117f88b79141b54665d9ff16722b6cda47415c09c30f7bfde2ecf25ea8099aab", kill_on_drop: false }`
[INFO] [stdout] 117f88b79141b54665d9ff16722b6cda47415c09c30f7bfde2ecf25ea8099aab
