[INFO] updating cached repository NattapongSiri/ds_prep_euclidean.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NattapongSiri/ds_prep_euclidean.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NattapongSiri/ds_prep_euclidean.rs" "work/ex/clippy-test-run/sources/stable/gh/NattapongSiri/ds_prep_euclidean.rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/NattapongSiri/ds_prep_euclidean.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NattapongSiri/ds_prep_euclidean.rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/NattapongSiri/ds_prep_euclidean.rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/NattapongSiri/ds_prep_euclidean.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dc6115e7ff1459fed7d60d564cd0530f28b0ae8f
[INFO] sha for GitHub repo NattapongSiri/ds_prep_euclidean.rs: dc6115e7ff1459fed7d60d564cd0530f28b0ae8f
[INFO] validating manifest of NattapongSiri/ds_prep_euclidean.rs 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 NattapongSiri/ds_prep_euclidean.rs 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 NattapongSiri/ds_prep_euclidean.rs
[INFO] finished frobbing NattapongSiri/ds_prep_euclidean.rs
[INFO] frobbed toml for NattapongSiri/ds_prep_euclidean.rs written to work/ex/clippy-test-run/sources/stable/gh/NattapongSiri/ds_prep_euclidean.rs/Cargo.toml
[INFO] started frobbing NattapongSiri/ds_prep_euclidean.rs
[INFO] finished frobbing NattapongSiri/ds_prep_euclidean.rs
[INFO] frobbed toml for NattapongSiri/ds_prep_euclidean.rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/NattapongSiri/ds_prep_euclidean.rs/Cargo.toml
[INFO] crate NattapongSiri/ds_prep_euclidean.rs 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 NattapongSiri/ds_prep_euclidean.rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/NattapongSiri/ds_prep_euclidean.rs:/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] 1deaf2e9ef6cc1d155448c7f3c98b19293098e5a7a97adfe1ae5cf7ec0b21573
[INFO] running `"docker" "start" "-a" "1deaf2e9ef6cc1d155448c7f3c98b19293098e5a7a97adfe1ae5cf7ec0b21573"`
[INFO] [stderr]     Checking ds_prep_euclidean_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `eucl_dist`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn eucl_dist(&self, rhs : Self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eucl_dist`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn eucl_dist(&self, rhs : Self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | /         (
[INFO] [stderr] 20 | |             (
[INFO] [stderr] 21 | |                 (self.0 - rhs.0).pow(2) +
[INFO] [stderr] 22 | |                 (self.1 - rhs.1).pow(2) +
[INFO] [stderr] 23 | |                 (self.2 - rhs.2).pow(2)
[INFO] [stderr] 24 | |             ) as f64
[INFO] [stderr] 25 | |         ).sqrt()
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 19 |         f64::from(
[INFO] [stderr] 20 |                 (self.0 - rhs.0).pow(2) +
[INFO] [stderr] 21 |                 (self.1 - rhs.1).pow(2) +
[INFO] [stderr] 22 |                 (self.2 - rhs.2).pow(2)
[INFO] [stderr] 23 |             ).sqrt()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | /         (
[INFO] [stderr] 20 | |             (
[INFO] [stderr] 21 | |                 (self.0 - rhs.0).pow(2) +
[INFO] [stderr] 22 | |                 (self.1 - rhs.1).pow(2) +
[INFO] [stderr] 23 | |                 (self.2 - rhs.2).pow(2)
[INFO] [stderr] 24 | |             ) as f64
[INFO] [stderr] 25 | |         ).sqrt()
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 19 |         f64::from(
[INFO] [stderr] 20 |                 (self.0 - rhs.0).pow(2) +
[INFO] [stderr] 21 |                 (self.1 - rhs.1).pow(2) +
[INFO] [stderr] 22 |                 (self.2 - rhs.2).pow(2)
[INFO] [stderr] 23 |             ).sqrt()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:50:21
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut lines = reader.lines().into_iter();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `reader.lines()`
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         writer.write(b"[")?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         writer.write(distances.join(", ").as_bytes())?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         writer.write(b"]\n")?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:50:21
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut lines = reader.lines().into_iter();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `reader.lines()`
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         writer.write(b"[")?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         writer.write(distances.join(", ").as_bytes())?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         writer.write(b"]\n")?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ds_prep_euclidean_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ds_prep_euclidean_rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1deaf2e9ef6cc1d155448c7f3c98b19293098e5a7a97adfe1ae5cf7ec0b21573"`
[INFO] running `"docker" "rm" "-f" "1deaf2e9ef6cc1d155448c7f3c98b19293098e5a7a97adfe1ae5cf7ec0b21573"`
[INFO] [stdout] 1deaf2e9ef6cc1d155448c7f3c98b19293098e5a7a97adfe1ae5cf7ec0b21573