[INFO] cloning repository https://github.com/AndreyBakulev/Blockchain-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndreyBakulev/Blockchain-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreyBakulev%2FBlockchain-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreyBakulev%2FBlockchain-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3c92f329cf19e8927a860604e9d80a18ecfc57b [INFO] checking AndreyBakulev/Blockchain-Rust/c3c92f329cf19e8927a860604e9d80a18ecfc57b against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreyBakulev%2FBlockchain-Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AndreyBakulev/Blockchain-Rust on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AndreyBakulev/Blockchain-Rust [INFO] finished tweaking git repo https://github.com/AndreyBakulev/Blockchain-Rust [INFO] tweaked toml for git repo https://github.com/AndreyBakulev/Blockchain-Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/AndreyBakulev/Blockchain-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hybrid-array v0.2.0-rc.8 [INFO] [stderr] Downloaded digest v0.11.0-pre.8 [INFO] [stderr] Downloaded sha2 v0.11.0-pre.3 [INFO] [stderr] Downloaded crypto-common v0.2.0-pre.5 [INFO] [stderr] Downloaded block-buffer v0.11.0-pre.5 [INFO] [stderr] Downloaded const-oid v0.10.0-pre.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01ea9f176adec97ce5d98afa9fa28b61875baaa35e01931e8816ac40a0114796 [INFO] running `Command { std: "docker" "start" "-a" "01ea9f176adec97ce5d98afa9fa28b61875baaa35e01931e8816ac40a0114796", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01ea9f176adec97ce5d98afa9fa28b61875baaa35e01931e8816ac40a0114796", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01ea9f176adec97ce5d98afa9fa28b61875baaa35e01931e8816ac40a0114796", kill_on_drop: false }` [INFO] [stdout] 01ea9f176adec97ce5d98afa9fa28b61875baaa35e01931e8816ac40a0114796 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1be9b2d437cbdf96c71ce6e0c298d3921267f08f389566eb49e6131e64e52fdf [INFO] running `Command { std: "docker" "start" "-a" "1be9b2d437cbdf96c71ce6e0c298d3921267f08f389566eb49e6131e64e52fdf", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking const-oid v0.10.0-pre.2 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Compiling syn v2.0.57 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking hybrid-array v0.2.0-rc.8 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking crypto-common v0.2.0-pre.5 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking block-buffer v0.11.0-pre.5 [INFO] [stderr] Checking digest v0.11.0-pre.8 [INFO] [stderr] Checking sha2 v0.11.0-pre.3 [INFO] [stderr] Checking Blockchain-Rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/blockchain.rs:175:49 [INFO] [stdout] | [INFO] [stdout] 175 | pub fn remove_block(&mut self, index: usize,mut file: File) { [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: unused variable: `file` [INFO] [stdout] --> src/main.rs:30:25 [INFO] [stdout] | [INFO] [stdout] 30 | let mut file = File::create(name2.clone()).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut file = File::create(name2.clone()).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/blockchain.rs:25:26 [INFO] [stdout] | [INFO] [stdout] 25 | Some(idx) if idx >= 0 && idx < self.chain.len() as u64 => { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/blockchain.rs:28:37 [INFO] [stdout] | [INFO] [stdout] 28 | let last_block = if idx >= 0 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/blockchain.rs:175:49 [INFO] [stdout] | [INFO] [stdout] 175 | pub fn remove_block(&mut self, index: usize,mut file: File) { [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/main.rs:30:25 [INFO] [stdout] | [INFO] [stdout] 30 | let mut file = File::create(name2.clone()).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut file = File::create(name2.clone()).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/blockchain.rs:25:26 [INFO] [stdout] | [INFO] [stdout] 25 | Some(idx) if idx >= 0 && idx < self.chain.len() as u64 => { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/blockchain.rs:28:37 [INFO] [stdout] | [INFO] [stdout] 28 | let last_block = if idx >= 0 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.13s [INFO] running `Command { std: "docker" "inspect" "1be9b2d437cbdf96c71ce6e0c298d3921267f08f389566eb49e6131e64e52fdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1be9b2d437cbdf96c71ce6e0c298d3921267f08f389566eb49e6131e64e52fdf", kill_on_drop: false }` [INFO] [stdout] 1be9b2d437cbdf96c71ce6e0c298d3921267f08f389566eb49e6131e64e52fdf