[INFO] cloning repository https://github.com/xuancuongdoo/blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xuancuongdoo/blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuancuongdoo%2Fblockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuancuongdoo%2Fblockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 22aaf000f7194f219ab0a0c1a795a2f16546612d [INFO] checking xuancuongdoo/blockchain against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuancuongdoo%2Fblockchain" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xuancuongdoo/blockchain on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xuancuongdoo/blockchain [INFO] finished tweaking git repo https://github.com/xuancuongdoo/blockchain [INFO] tweaked toml for git repo https://github.com/xuancuongdoo/blockchain written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/xuancuongdoo/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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitcoincash-addr v0.5.2 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 666c350b5fabf1182f914384ce28192b4935a20dd552a57d008cdff01d5f73d5 [INFO] running `Command { std: "docker" "start" "-a" "666c350b5fabf1182f914384ce28192b4935a20dd552a57d008cdff01d5f73d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "666c350b5fabf1182f914384ce28192b4935a20dd552a57d008cdff01d5f73d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "666c350b5fabf1182f914384ce28192b4935a20dd552a57d008cdff01d5f73d5", kill_on_drop: false }` [INFO] [stdout] 666c350b5fabf1182f914384ce28192b4935a20dd552a57d008cdff01d5f73d5 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc8a2dc937f986c196d70e57833a7554c5c3f59730c4aab10acc7939664b4d61 [INFO] running `Command { std: "docker" "start" "-a" "dc8a2dc937f986c196d70e57833a7554c5c3f59730c4aab10acc7939664b4d61", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Compiling serde v1.0.192 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking gimli v0.28.0 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking clap_builder v4.4.7 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Checking bitcoin_hashes v0.7.6 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking sled v0.34.7 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking merkle-cbt v0.3.2 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Checking clap v4.4.7 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling serde_derive v1.0.192 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking bitcoincash-addr v0.5.2 [INFO] [stderr] Checking serde_json v1.0.108 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking blockchain_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/blockchain.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use log::{debug, info}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/blockchain.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use log::{debug, info}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/block.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Block { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 21 | pub fn get_hash(&self) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get_transactions(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn get_height(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn new_block(data: String, prev_block_hash: String, height: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn run_proof_of_work(&mut self) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn new_genesis_block() -> Block { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | fn prepare_hash_data(&self) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn validate(&self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `current_hash` is never read [INFO] [stdout] --> src/blockchain.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Blockchain { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 9 | current_hash: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Blockchain` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_block`, and `iter` are never used [INFO] [stdout] --> src/blockchain.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl Blockchain { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 19 | pub fn new() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn add_block(&mut self, data: String) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn iter(&self) -> BlockchainIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Result` is never used [INFO] [stdout] --> src/error.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | pub type Result = std::result::Result; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `get_transactions`, `get_height`, and `new_genesis_block` are never used [INFO] [stdout] --> src/block.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Block { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get_transactions(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn get_height(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn new_genesis_block() -> Block { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/blockchain.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | b.add_block("data1".to_string()); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 89 | let _ = b.add_block("data1".to_string()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/blockchain.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | b.add_block("data2".to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = b.add_block("data2".to_string()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/blockchain.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | b.add_block("data3".to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 91 | let _ = b.add_block("data3".to_string()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.80s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "dc8a2dc937f986c196d70e57833a7554c5c3f59730c4aab10acc7939664b4d61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc8a2dc937f986c196d70e57833a7554c5c3f59730c4aab10acc7939664b4d61", kill_on_drop: false }` [INFO] [stdout] dc8a2dc937f986c196d70e57833a7554c5c3f59730c4aab10acc7939664b4d61