[INFO] updating cached repository jayong93/RustBJOJ [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jayong93/RustBJOJ [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jayong93/RustBJOJ" "work/ex/clippy-test-run/sources/stable/gh/jayong93/RustBJOJ"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jayong93/RustBJOJ'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jayong93/RustBJOJ" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jayong93/RustBJOJ"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jayong93/RustBJOJ'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a2b5a1fb9d9af4ae3e3270b0d44e9ca2426a388f [INFO] sha for GitHub repo jayong93/RustBJOJ: a2b5a1fb9d9af4ae3e3270b0d44e9ca2426a388f [INFO] validating manifest of jayong93/RustBJOJ 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 jayong93/RustBJOJ 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 jayong93/RustBJOJ [INFO] finished frobbing jayong93/RustBJOJ [INFO] frobbed toml for jayong93/RustBJOJ written to work/ex/clippy-test-run/sources/stable/gh/jayong93/RustBJOJ/Cargo.toml [INFO] started frobbing jayong93/RustBJOJ [INFO] finished frobbing jayong93/RustBJOJ [INFO] frobbed toml for jayong93/RustBJOJ written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jayong93/RustBJOJ/Cargo.toml [INFO] crate jayong93/RustBJOJ 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 jayong93/RustBJOJ against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/jayong93/RustBJOJ:/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] 23108198f45a53abc62d7cfe48a0e222d33895e8edc2cb09d962cba1dd7e9841 [INFO] running `"docker" "start" "-a" "23108198f45a53abc62d7cfe48a0e222d33895e8edc2cb09d962cba1dd7e9841"` [INFO] [stderr] Checking BaekJoonOJ v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Eq`, `PartialEq` [INFO] [stderr] --> src/p15938.rs:4:16 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp::{Eq, PartialEq}; [INFO] [stderr] | ^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::hash::Hash` [INFO] [stderr] --> src/p15938.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::hash::Hash; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Eq`, `PartialEq` [INFO] [stderr] --> src/p15938.rs:4:16 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp::{Eq, PartialEq}; [INFO] [stderr] | ^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::hash::Hash` [INFO] [stderr] --> src/p15938.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::hash::Hash; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/p15938.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | for i in 0..data.time_limit { [INFO] [stderr] | ^ help: consider using `_i` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/p15938.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | for i in 0..data.time_limit { [INFO] [stderr] | ^ help: consider using `_i` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: crate `BaekJoonOJ` should have a snake case name such as `baek_joon_oj` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: crate `BaekJoonOJ` should have a snake case name such as `baek_joon_oj` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/p15938.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | handle.read_line(&mut line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/p15938.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | handle.read_line(&mut line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/p15938.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | handle.read_line(&mut line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/p15938.rs:84:9 [INFO] [stderr] | [INFO] [stderr] 84 | handle.read_line(&mut line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/p15938.rs:95:24 [INFO] [stderr] | [INFO] [stderr] 95 | fn go_forward(cur_pos: &Vec, target: &Point, obstacles: &std::collections::HashSet) -> (Vec, u32) { [INFO] [stderr] | ^^^^^^^^^^ help: change this to: `&[Step]` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/p15938.rs:102:27 [INFO] [stderr] | [INFO] [stderr] 102 | fn one_step_from_now(pos: &Vec, obstacles: &std::collections::HashSet) -> Vec { [INFO] [stderr] | ^^^^^^^^^^ help: change this to: `&[Step]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec [INFO] [stderr] --> src/p15938.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | pos.into_iter().flat_map(|x| { [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::into_iter_on_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/p15938.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | handle.read_line(&mut line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/p15938.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | handle.read_line(&mut line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/p15938.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | handle.read_line(&mut line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/p15938.rs:84:9 [INFO] [stderr] | [INFO] [stderr] 84 | handle.read_line(&mut line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/p15938.rs:95:24 [INFO] [stderr] | [INFO] [stderr] 95 | fn go_forward(cur_pos: &Vec, target: &Point, obstacles: &std::collections::HashSet) -> (Vec, u32) { [INFO] [stderr] | ^^^^^^^^^^ help: change this to: `&[Step]` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/p15938.rs:102:27 [INFO] [stderr] | [INFO] [stderr] 102 | fn one_step_from_now(pos: &Vec, obstacles: &std::collections::HashSet) -> Vec { [INFO] [stderr] | ^^^^^^^^^^ help: change this to: `&[Step]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec [INFO] [stderr] --> src/p15938.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | pos.into_iter().flat_map(|x| { [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::into_iter_on_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `"docker" "inspect" "23108198f45a53abc62d7cfe48a0e222d33895e8edc2cb09d962cba1dd7e9841"` [INFO] running `"docker" "rm" "-f" "23108198f45a53abc62d7cfe48a0e222d33895e8edc2cb09d962cba1dd7e9841"` [INFO] [stdout] 23108198f45a53abc62d7cfe48a0e222d33895e8edc2cb09d962cba1dd7e9841