[INFO] updating cached repository rigelrozanski/dicedemon [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/rigelrozanski/dicedemon [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/rigelrozanski/dicedemon" "work/ex/clippy-test-run/sources/stable/gh/rigelrozanski/dicedemon"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/rigelrozanski/dicedemon'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rigelrozanski/dicedemon" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rigelrozanski/dicedemon"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rigelrozanski/dicedemon'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 02fcdf40e827e1eba2e4f66b15c1307b37fd1933 [INFO] sha for GitHub repo rigelrozanski/dicedemon: 02fcdf40e827e1eba2e4f66b15c1307b37fd1933 [INFO] validating manifest of rigelrozanski/dicedemon 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 rigelrozanski/dicedemon 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 rigelrozanski/dicedemon [INFO] finished frobbing rigelrozanski/dicedemon [INFO] frobbed toml for rigelrozanski/dicedemon written to work/ex/clippy-test-run/sources/stable/gh/rigelrozanski/dicedemon/Cargo.toml [INFO] started frobbing rigelrozanski/dicedemon [INFO] finished frobbing rigelrozanski/dicedemon [INFO] frobbed toml for rigelrozanski/dicedemon written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rigelrozanski/dicedemon/Cargo.toml [INFO] crate rigelrozanski/dicedemon 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 rigelrozanski/dicedemon against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/rigelrozanski/dicedemon:/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] 250cd1fd0657cb2a941cb70a1dfab8bdfb6aacfc5f7b40cb6b13d6d9f89ce0ce [INFO] running `"docker" "start" "-a" "250cd1fd0657cb2a941cb70a1dfab8bdfb6aacfc5f7b40cb6b13d6d9f89ce0ce"` [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking backtrace-sys v0.1.16 [INFO] [stderr] Compiling structopt-derive v0.2.3 [INFO] [stderr] Compiling coco v0.1.1 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling rayon-core v1.3.0 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Checking structopt v0.2.3 [INFO] [stderr] Compiling ring v0.12.1 [INFO] [stderr] Checking bip39 v0.5.0 [INFO] [stderr] Checking dicedemon v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | / let _ = match word_map.get(&buffer) { [INFO] [stderr] 73 | | Some(_) => {}, [INFO] [stderr] 74 | | None => { [INFO] [stderr] 75 | | println!("Entered non-bip39 word! ({})", &buffer); [INFO] [stderr] 76 | | return; [INFO] [stderr] 77 | | } [INFO] [stderr] 78 | | }; [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_unit_value)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: statement can be reduced [INFO] [stderr] --> src/main.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 110 | &to_validate.extend(entropy_hash_to_validate_bits.into_iter().take(target_mnemonic.checksum_bits())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `to_validate.extend(entropy_hash_to_validate_bits.into_iter().take(target_mnemonic.checksum_bits()));` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_operation)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | / let _ = match word_map.get(&buffer) { [INFO] [stderr] 73 | | Some(_) => {}, [INFO] [stderr] 74 | | None => { [INFO] [stderr] 75 | | println!("Entered non-bip39 word! ({})", &buffer); [INFO] [stderr] 76 | | return; [INFO] [stderr] 77 | | } [INFO] [stderr] 78 | | }; [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_unit_value)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: statement can be reduced [INFO] [stderr] --> src/main.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 110 | &to_validate.extend(entropy_hash_to_validate_bits.into_iter().take(target_mnemonic.checksum_bits())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `to_validate.extend(entropy_hash_to_validate_bits.into_iter().take(target_mnemonic.checksum_bits()));` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_operation)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.60s [INFO] running `"docker" "inspect" "250cd1fd0657cb2a941cb70a1dfab8bdfb6aacfc5f7b40cb6b13d6d9f89ce0ce"` [INFO] running `"docker" "rm" "-f" "250cd1fd0657cb2a941cb70a1dfab8bdfb6aacfc5f7b40cb6b13d6d9f89ce0ce"` [INFO] [stdout] 250cd1fd0657cb2a941cb70a1dfab8bdfb6aacfc5f7b40cb6b13d6d9f89ce0ce