[INFO] cloning repository https://github.com/wgr523/blockchain-simulator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wgr523/blockchain-simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgr523%2Fblockchain-simulator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgr523%2Fblockchain-simulator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a29d440952e8252bd29793bf6c5e8461c0ed448 [INFO] checking wgr523/blockchain-simulator against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgr523%2Fblockchain-simulator" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wgr523/blockchain-simulator on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wgr523/blockchain-simulator [INFO] finished tweaking git repo https://github.com/wgr523/blockchain-simulator [INFO] tweaked toml for git repo https://github.com/wgr523/blockchain-simulator written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/wgr523/blockchain-simulator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be6786f49594d585e7ac6532a9af425a9614f38b9ffafdb7f9437da7ac8f5211 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "be6786f49594d585e7ac6532a9af425a9614f38b9ffafdb7f9437da7ac8f5211", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be6786f49594d585e7ac6532a9af425a9614f38b9ffafdb7f9437da7ac8f5211", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be6786f49594d585e7ac6532a9af425a9614f38b9ffafdb7f9437da7ac8f5211", kill_on_drop: false }` [INFO] [stdout] be6786f49594d585e7ac6532a9af425a9614f38b9ffafdb7f9437da7ac8f5211 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da47719a668bc2a469afc604984a5469de0c19a0dfa56dca2ebfdbaae72db8b5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "da47719a668bc2a469afc604984a5469de0c19a0dfa56dca2ebfdbaae72db8b5", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking chunked_transfer v1.4.0 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking horrorshow v0.8.3 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking tiny_http v0.8.1 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking serde v1.0.125 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking blockchain-simulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Result`, `cursor` [INFO] [stdout] --> src/miner.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use crossterm::{cursor, Result}; [INFO] [stdout] | ^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ClearType`, `Clear`, `disable_raw_mode`, `enable_raw_mode` [INFO] [stdout] --> src/miner.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use crossterm::terminal::{enable_raw_mode, disable_raw_mode, Clear, ClearType}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Color`, `Print`, `SetBackgroundColor`, `SetForegroundColor` [INFO] [stdout] --> src/miner.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use crossterm::style::{Color, SetForegroundColor, SetBackgroundColor, Print}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/miner.rs:7:41 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::mpsc::{Sender, Receiver, channel}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::stdout` [INFO] [stdout] --> src/miner.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::io::stdout; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cursor` [INFO] [stdout] --> src/network.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use crossterm::{cursor, Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ClearType`, `Clear`, `disable_raw_mode`, `enable_raw_mode` [INFO] [stdout] --> src/network.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use crossterm::terminal::{enable_raw_mode, disable_raw_mode, Clear, ClearType}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Color`, `Print`, `SetBackgroundColor`, `SetForegroundColor` [INFO] [stdout] --> src/network.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use crossterm::style::{Color, SetForegroundColor, SetBackgroundColor, Print}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/network.rs:5:33 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::mpsc::{Receiver, channel, Sender}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::block_tree::BlockTree` [INFO] [stdout] --> src/network.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::block_tree::BlockTree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::stdout` [INFO] [stdout] --> src/network.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::io::stdout; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hash` [INFO] [stdout] --> src/network.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `horrorshow::prelude::*` [INFO] [stdout] --> src/server.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use horrorshow::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::network::Network` [INFO] [stdout] --> src/server.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::network::Network; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stdout` [INFO] [stdout] --> src/main.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | use std::io::{stdout, Write, BufReader}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `Instant` [INFO] [stdout] --> src/main.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Result`, `cursor` [INFO] [stdout] --> src/miner.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use crossterm::{cursor, Result}; [INFO] [stdout] | ^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ClearType`, `Clear`, `disable_raw_mode`, `enable_raw_mode` [INFO] [stdout] --> src/miner.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use crossterm::terminal::{enable_raw_mode, disable_raw_mode, Clear, ClearType}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Color`, `Print`, `SetBackgroundColor`, `SetForegroundColor` [INFO] [stdout] --> src/miner.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use crossterm::style::{Color, SetForegroundColor, SetBackgroundColor, Print}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/miner.rs:7:41 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::mpsc::{Sender, Receiver, channel}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::stdout` [INFO] [stdout] --> src/miner.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::io::stdout; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cursor` [INFO] [stdout] --> src/network.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use crossterm::{cursor, Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ClearType`, `Clear`, `disable_raw_mode`, `enable_raw_mode` [INFO] [stdout] --> src/network.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use crossterm::terminal::{enable_raw_mode, disable_raw_mode, Clear, ClearType}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Color`, `Print`, `SetBackgroundColor`, `SetForegroundColor` [INFO] [stdout] --> src/network.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use crossterm::style::{Color, SetForegroundColor, SetBackgroundColor, Print}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/network.rs:5:33 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::mpsc::{Receiver, channel, Sender}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::block_tree::BlockTree` [INFO] [stdout] --> src/network.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::block_tree::BlockTree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::stdout` [INFO] [stdout] --> src/network.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::io::stdout; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hash` [INFO] [stdout] --> src/network.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `horrorshow::prelude::*` [INFO] [stdout] --> src/server.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use horrorshow::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::network::Network` [INFO] [stdout] --> src/server.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::network::Network; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stdout` [INFO] [stdout] --> src/main.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | use std::io::{stdout, Write, BufReader}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `Instant` [INFO] [stdout] --> src/main.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let mut delay: HashMap<(u8,u8), u64> = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let mut delay: HashMap<(u8,u8), u64> = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_single_delay` [INFO] [stdout] --> src/network.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn set_single_delay(&mut self, from: u8, to: u8, delay: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_single_delay` [INFO] [stdout] --> src/network.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn set_single_delay(&mut self, from: u8, to: u8, delay: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.91s [INFO] running `Command { std: "docker" "inspect" "da47719a668bc2a469afc604984a5469de0c19a0dfa56dca2ebfdbaae72db8b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da47719a668bc2a469afc604984a5469de0c19a0dfa56dca2ebfdbaae72db8b5", kill_on_drop: false }` [INFO] [stdout] da47719a668bc2a469afc604984a5469de0c19a0dfa56dca2ebfdbaae72db8b5