[INFO] cloning repository https://github.com/ahmedtra/Blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahmedtra/Blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmedtra%2FBlockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmedtra%2FBlockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0a434f8946a1e5e90949888c10fae43494e69a79 [INFO] checking ahmedtra/Blockchain against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmedtra%2FBlockchain" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ahmedtra/Blockchain [INFO] finished tweaking git repo https://github.com/ahmedtra/Blockchain [INFO] tweaked toml for git repo https://github.com/ahmedtra/Blockchain written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ahmedtra/Blockchain on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ahmedtra/Blockchain 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" "+804fff1ae95da9d03bd44eee27f258020a575dab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f48ce15a9b8e37500ab527899557bfd24cd65757bda14a472fa8cc0ff2ca9bdf [INFO] running `Command { std: "docker" "start" "-a" "f48ce15a9b8e37500ab527899557bfd24cd65757bda14a472fa8cc0ff2ca9bdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f48ce15a9b8e37500ab527899557bfd24cd65757bda14a472fa8cc0ff2ca9bdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f48ce15a9b8e37500ab527899557bfd24cd65757bda14a472fa8cc0ff2ca9bdf", kill_on_drop: false }` [INFO] [stdout] f48ce15a9b8e37500ab527899557bfd24cd65757bda14a472fa8cc0ff2ca9bdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e61c2bdc1145af8a676eab2c22a7dd9786cf61a069ad44b3f3400906130e1cae [INFO] running `Command { std: "docker" "start" "-a" "e61c2bdc1145af8a676eab2c22a7dd9786cf61a069ad44b3f3400906130e1cae", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling libc v0.2.157 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling serde v1.0.208 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling serde_json v1.0.125 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking cpufeatures v0.2.13 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking opaque-debug v0.3.1 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.75 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Compiling serde_derive v1.0.208 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Checking tokio v1.39.3 [INFO] [stderr] Checking blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Transactions` [INFO] [stdout] --> src/models/blockchain.rs:3:55 [INFO] [stdout] | [INFO] [stdout] 3 | use super::transaction::{Transaction, UTXO, Transfer, Transactions}; [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::cmp::min` [INFO] [stdout] --> src/models/connection.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::cmp::min; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Transactions` [INFO] [stdout] --> src/models/blockchain.rs:3:55 [INFO] [stdout] | [INFO] [stdout] 3 | use super::transaction::{Transaction, UTXO, Transfer, Transactions}; [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::cmp::min` [INFO] [stdout] --> src/models/connection.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::cmp::min; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peer` [INFO] [stdout] --> src/models/connection.rs:92:123 [INFO] [stdout] | [INFO] [stdout] 92 | pub async fn handle_connection(mut stream: TcpStream, blockchain: Arc>, peers: Arc>>, peer: String) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_peer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peer` [INFO] [stdout] --> src/models/connection.rs:92:123 [INFO] [stdout] | [INFO] [stdout] 92 | pub async fn handle_connection(mut stream: TcpStream, blockchain: Arc>, peers: Arc>>, peer: String) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_peer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peers` [INFO] [stdout] --> src/main.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | let peers = Arc::clone(&peers); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_peers` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peers` [INFO] [stdout] --> src/main.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | let peers = Arc::clone(&peers); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_peers` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let mut peers_to_process = { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `add_block`, `add_transfer`, and `get_balance` are never used [INFO] [stdout] --> src/models/blockchain.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Blockchain { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn add_block(&mut self, block: Block) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn add_transfer(&mut self, transfer : Transfer){ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn get_balance(&self, address: &str) -> u64 { [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 `Transfer` is never constructed [INFO] [stdout] --> src/models/transaction.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Transfer { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Transactions` is never used [INFO] [stdout] --> src/models/transaction.rs:23:10 [INFO] [stdout] | [INFO] [stdout] 23 | pub type Transactions = Vec; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `from_transfer_to_utxo` is never used [INFO] [stdout] --> src/models/transaction_util.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn from_transfer_to_utxo(transfer : Transfer, utxo_set : &HashMap>) -> Transaction [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let mut peers_to_process = { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `add_block`, `add_transfer`, and `get_balance` are never used [INFO] [stdout] --> src/models/blockchain.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Blockchain { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn add_block(&mut self, block: Block) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn add_transfer(&mut self, transfer : Transfer){ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn get_balance(&self, address: &str) -> u64 { [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 `Transfer` is never constructed [INFO] [stdout] --> src/models/transaction.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Transfer { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Transactions` is never used [INFO] [stdout] --> src/models/transaction.rs:23:10 [INFO] [stdout] | [INFO] [stdout] 23 | pub type Transactions = Vec; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `from_transfer_to_utxo` is never used [INFO] [stdout] --> src/models/transaction_util.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn from_transfer_to_utxo(transfer : Transfer, utxo_set : &HashMap>) -> Transaction [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/models/connection.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | stream.write_all(request.as_bytes()).await; [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] 84 | let _ = stream.write_all(request.as_bytes()).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/models/connection.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | stream.write_all(request.as_bytes()).await; [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] 84 | let _ = stream.write_all(request.as_bytes()).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.68s [INFO] running `Command { std: "docker" "inspect" "e61c2bdc1145af8a676eab2c22a7dd9786cf61a069ad44b3f3400906130e1cae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e61c2bdc1145af8a676eab2c22a7dd9786cf61a069ad44b3f3400906130e1cae", kill_on_drop: false }` [INFO] [stdout] e61c2bdc1145af8a676eab2c22a7dd9786cf61a069ad44b3f3400906130e1cae