[INFO] updating cached repository harindaka/rust-guessing-game [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/harindaka/rust-guessing-game [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/harindaka/rust-guessing-game" "work/ex/clippy-test-run/sources/stable/gh/harindaka/rust-guessing-game"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/harindaka/rust-guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/harindaka/rust-guessing-game" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/harindaka/rust-guessing-game"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/harindaka/rust-guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 716793c84c29061b61008283e5fd1e3ded13ffc6 [INFO] sha for GitHub repo harindaka/rust-guessing-game: 716793c84c29061b61008283e5fd1e3ded13ffc6 [INFO] validating manifest of harindaka/rust-guessing-game 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 harindaka/rust-guessing-game 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 harindaka/rust-guessing-game [INFO] finished frobbing harindaka/rust-guessing-game [INFO] frobbed toml for harindaka/rust-guessing-game written to work/ex/clippy-test-run/sources/stable/gh/harindaka/rust-guessing-game/Cargo.toml [INFO] started frobbing harindaka/rust-guessing-game [INFO] finished frobbing harindaka/rust-guessing-game [INFO] frobbed toml for harindaka/rust-guessing-game written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/harindaka/rust-guessing-game/Cargo.toml [INFO] crate harindaka/rust-guessing-game 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 harindaka/rust-guessing-game against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/harindaka/rust-guessing-game:/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] 3ec4e884f41cd1afbd0416ff68842f75beae5e1929ee72cf3fb16b461dc65eab [INFO] running `"docker" "start" "-a" "3ec4e884f41cd1afbd0416ff68842f75beae5e1929ee72cf3fb16b461dc65eab"` [INFO] [stderr] Checking rust_examples v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::println_empty_string)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] --> src/main.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::println_empty_string)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] --> src/main.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `config` [INFO] [stderr] --> src/configuration.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use config; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: module has the same name as its containing module [INFO] [stderr] --> src/main.rs:10:14 [INFO] [stderr] | [INFO] [stderr] 10 | mod config { pub mod config; } [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::module_inception)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `config` [INFO] [stderr] --> src/configuration.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use config; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: module has the same name as its containing module [INFO] [stderr] --> src/main.rs:10:14 [INFO] [stderr] | [INFO] [stderr] 10 | mod config { pub mod config; } [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::module_inception)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_build` [INFO] [stderr] --> src/configuration.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider using `_config_build` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_prod` [INFO] [stderr] --> src/configuration.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider using `_config_prod` instead [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_build` [INFO] [stderr] --> src/configuration.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider using `_config_build` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_prod` [INFO] [stderr] --> src/configuration.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider using `_config_prod` instead [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.91s [INFO] running `"docker" "inspect" "3ec4e884f41cd1afbd0416ff68842f75beae5e1929ee72cf3fb16b461dc65eab"` [INFO] running `"docker" "rm" "-f" "3ec4e884f41cd1afbd0416ff68842f75beae5e1929ee72cf3fb16b461dc65eab"` [INFO] [stdout] 3ec4e884f41cd1afbd0416ff68842f75beae5e1929ee72cf3fb16b461dc65eab