[INFO] crate stream-combinators 0.1.0 is already in cache
[INFO] extracting crate stream-combinators 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/stream-combinators/0.1.0
[INFO] extracting crate stream-combinators 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/stream-combinators/0.1.0
[INFO] validating manifest of stream-combinators-0.1.0 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 stream-combinators-0.1.0 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 stream-combinators-0.1.0
[INFO] finished frobbing stream-combinators-0.1.0
[INFO] frobbed toml for stream-combinators-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/stream-combinators/0.1.0/Cargo.toml
[INFO] started frobbing stream-combinators-0.1.0
[INFO] finished frobbing stream-combinators-0.1.0
[INFO] frobbed toml for stream-combinators-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/stream-combinators/0.1.0/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 stream-combinators-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/stream-combinators/0.1.0:/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] 83643d425150039a57cf5171610fce39c29d2557168c77bda058105074b99c41
[INFO] running `"docker" "start" "-a" "83643d425150039a57cf5171610fce39c29d2557168c77bda058105074b99c41"`
[INFO] [stderr]     Checking stream-combinators v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking tokio-stdin v0.1.1
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/filter_fold.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |             stream: stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/filter_fold.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             f: f,
[INFO] [stderr]    |             ^^^^ help: replace it with: `f`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/filter_fold.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |             stream: stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/filter_fold.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             f: f,
[INFO] [stderr]    |             ^^^^ help: replace it with: `f`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]  --> examples/into_pairs.rs:9:41
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let number_stream = iter_ok::<_,()>((0..6));
[INFO] [stderr]   |                                         ^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]  --> examples/into_pairs.rs:9:41
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let number_stream = iter_ok::<_,()>((0..6));
[INFO] [stderr]   |                                         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> examples/fancier_stdin_into_lines.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 | const NEWLINE: u8 = '\n' as u8;
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'\n'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> examples/fancier_stdin_into_lines.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     if buf.len() > 0 {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!buf.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> examples/stdin_into_lines.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |         .chain(once(Ok('\n' as u8)))
[INFO] [stderr]    |                        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'\n'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> examples/stdin_into_lines.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |             if byte == ('\n' as u8) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'\n'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> examples/wait_for_newline.rs:24:78
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let stdin = spawn_stdin_stream_unbounded().skip_while(|byte| Ok(*byte != ('\n' as u8)));
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'\n'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `"docker" "inspect" "83643d425150039a57cf5171610fce39c29d2557168c77bda058105074b99c41"`
[INFO] running `"docker" "rm" "-f" "83643d425150039a57cf5171610fce39c29d2557168c77bda058105074b99c41"`
[INFO] [stdout] 83643d425150039a57cf5171610fce39c29d2557168c77bda058105074b99c41