[INFO] crate io-providers 0.2.0-beta.3 is already in cache
[INFO] extracting crate io-providers 0.2.0-beta.3 into work/ex/clippy-test-run/sources/stable/reg/io-providers/0.2.0-beta.3
[INFO] extracting crate io-providers 0.2.0-beta.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/io-providers/0.2.0-beta.3
[INFO] validating manifest of io-providers-0.2.0-beta.3 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 io-providers-0.2.0-beta.3 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 io-providers-0.2.0-beta.3
[INFO] finished frobbing io-providers-0.2.0-beta.3
[INFO] frobbed toml for io-providers-0.2.0-beta.3 written to work/ex/clippy-test-run/sources/stable/reg/io-providers/0.2.0-beta.3/Cargo.toml
[INFO] started frobbing io-providers-0.2.0-beta.3
[INFO] finished frobbing io-providers-0.2.0-beta.3
[INFO] frobbed toml for io-providers-0.2.0-beta.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/io-providers/0.2.0-beta.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 io-providers-0.2.0-beta.3 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/reg/io-providers/0.2.0-beta.3:/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] 96b3841553411f349700a288b22ec3176453495deadeac071d3b879418739cb9
[INFO] running `"docker" "start" "-a" "96b3841553411f349700a288b22ec3176453495deadeac071d3b879418739cb9"`
[INFO] [stderr]     Checking io-providers v0.2.0-beta.3 (/opt/crater/workdir)
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/std_streams/simulated.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         pipe.write(&[]).unwrap();
[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/std_streams/simulated.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         pipe.write(&data[..]).unwrap();
[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/std_streams/simulated.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         pipe.write(&data1[..]).unwrap();
[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/std_streams/simulated.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         pipe.write(&data2[..]).unwrap();
[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 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `io-providers`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/temp_fs.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fs.write("/test.txt", "contents".as_bytes())
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"contents"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "96b3841553411f349700a288b22ec3176453495deadeac071d3b879418739cb9"`
[INFO] running `"docker" "rm" "-f" "96b3841553411f349700a288b22ec3176453495deadeac071d3b879418739cb9"`
[INFO] [stdout] 96b3841553411f349700a288b22ec3176453495deadeac071d3b879418739cb9