[INFO] updating cached repository PhdTrollSlayer/CrabChain [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/PhdTrollSlayer/CrabChain [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/PhdTrollSlayer/CrabChain" "work/ex/clippy-test-run/sources/stable/gh/PhdTrollSlayer/CrabChain"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/PhdTrollSlayer/CrabChain'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/PhdTrollSlayer/CrabChain" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PhdTrollSlayer/CrabChain"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PhdTrollSlayer/CrabChain'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7cf9ff4289f5d2f0479e5fc0f384ca8d55f883f2 [INFO] sha for GitHub repo PhdTrollSlayer/CrabChain: 7cf9ff4289f5d2f0479e5fc0f384ca8d55f883f2 [INFO] validating manifest of PhdTrollSlayer/CrabChain on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of PhdTrollSlayer/CrabChain on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing PhdTrollSlayer/CrabChain [INFO] finished frobbing PhdTrollSlayer/CrabChain [INFO] frobbed toml for PhdTrollSlayer/CrabChain written to work/ex/clippy-test-run/sources/stable/gh/PhdTrollSlayer/CrabChain/Cargo.toml [INFO] started frobbing PhdTrollSlayer/CrabChain [INFO] finished frobbing PhdTrollSlayer/CrabChain [INFO] frobbed toml for PhdTrollSlayer/CrabChain written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PhdTrollSlayer/CrabChain/Cargo.toml [INFO] crate PhdTrollSlayer/CrabChain has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting PhdTrollSlayer/CrabChain against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/PhdTrollSlayer/CrabChain:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] fec1576f8ea65ad7a31a30595060d8f2a3db81bcecd841156f5bf6aa494ee86b [INFO] running `"docker" "start" "-a" "fec1576f8ea65ad7a31a30595060d8f2a3db81bcecd841156f5bf6aa494ee86b"` [INFO] [stderr] Compiling cc v1.0.14 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking csv v1.0.0 [INFO] [stderr] Compiling openssl-sys v0.9.28 [INFO] [stderr] Compiling openssl v0.10.6 [INFO] [stderr] Checking blockchain1 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `seek` [INFO] [stderr] --> src/mining.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use seek; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_last_block_hash` [INFO] [stderr] --> src/seek.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn find_last_block_hash() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_last_block_id` [INFO] [stderr] --> src/seek.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn find_last_block_id() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `last_block` [INFO] [stderr] --> src/mining.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn last_block(prev_hash: String) -> (String, String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/mining.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | nonce = nonce + 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace it with: `nonce += 1` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `seek` [INFO] [stderr] --> src/mining.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use seek; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_last_block_hash` [INFO] [stderr] --> src/seek.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn find_last_block_hash() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_last_block_id` [INFO] [stderr] --> src/seek.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn find_last_block_id() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `last_block` [INFO] [stderr] --> src/mining.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn last_block(prev_hash: String) -> (String, String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/mining.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | nonce = nonce + 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace it with: `nonce += 1` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: unused import: `openssl::sha` [INFO] [stderr] --> src/new_block.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use openssl::sha; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `hex` [INFO] [stderr] --> src/new_block.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use hex; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/validator.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ptr::null` [INFO] [stderr] --> src/validator.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::ptr::null; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `seek` [INFO] [stderr] --> src/mining.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use seek; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `openssl::sha` [INFO] [stderr] --> src/new_block.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use openssl::sha; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `hex` [INFO] [stderr] --> src/new_block.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use hex; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/validator.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ptr::null` [INFO] [stderr] --> src/validator.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::ptr::null; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `seek` [INFO] [stderr] --> src/mining.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use seek; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nonce` [INFO] [stderr] --> src/new_block.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | let mut nonce: i64 = 0; [INFO] [stderr] | ^^^^^ help: consider using `_nonce` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `this_record` is never read [INFO] [stderr] --> src/validator.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/new_block.rs:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | let mut nonce: i64 = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: identical conversion [INFO] [stderr] --> src/new_block.rs:97:19 [INFO] [stderr] | [INFO] [stderr] 97 | data: String::from(data), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `data` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::identity_conversion)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/mining.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | nonce = nonce + 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace it with: `nonce += 1` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nonce` [INFO] [stderr] --> src/new_block.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | let mut nonce: i64 = 0; [INFO] [stderr] | ^^^^^ help: consider using `_nonce` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `this_record` is never read [INFO] [stderr] --> src/validator.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/new_block.rs:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | let mut nonce: i64 = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: identical conversion [INFO] [stderr] --> src/new_block.rs:97:19 [INFO] [stderr] | [INFO] [stderr] 97 | data: String::from(data), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `data` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::identity_conversion)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/mining.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | nonce = nonce + 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace it with: `nonce += 1` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.92s [INFO] running `"docker" "inspect" "fec1576f8ea65ad7a31a30595060d8f2a3db81bcecd841156f5bf6aa494ee86b"` [INFO] running `"docker" "rm" "-f" "fec1576f8ea65ad7a31a30595060d8f2a3db81bcecd841156f5bf6aa494ee86b"` [INFO] [stdout] fec1576f8ea65ad7a31a30595060d8f2a3db81bcecd841156f5bf6aa494ee86b