[INFO] crate bytebuffer 0.2.1 is already in cache
[INFO] extracting crate bytebuffer 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/bytebuffer/0.2.1
[INFO] extracting crate bytebuffer 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bytebuffer/0.2.1
[INFO] validating manifest of bytebuffer-0.2.1 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 bytebuffer-0.2.1 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 bytebuffer-0.2.1
[INFO] finished frobbing bytebuffer-0.2.1
[INFO] frobbed toml for bytebuffer-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/bytebuffer/0.2.1/Cargo.toml
[INFO] started frobbing bytebuffer-0.2.1
[INFO] finished frobbing bytebuffer-0.2.1
[INFO] frobbed toml for bytebuffer-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bytebuffer/0.2.1/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 bytebuffer-0.2.1 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/reg/bytebuffer/0.2.1:/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] fcc66ddf6454331d93cae099e713894ed965b2a49e045ec096f8ded6b49102d6
[INFO] running `"docker" "start" "-a" "fcc66ddf6454331d93cae099e713894ed965b2a49e045ec096f8ded6b49102d6"`
[INFO] [stderr]     Checking bytebuffer v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/lib.rs:388:43
[INFO] [stderr]     |
[INFO] [stderr] 388 |         let bit = self.data[self.rpos] & (1 << 7 - self.rbit) != 0;
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `1 << (7 - self.rbit)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/lib.rs:413:14
[INFO] [stderr]     |
[INFO] [stderr] 413 |             ((if self.read_bit() { 1 } else { 0 }) << n - 1) | self.read_bits(n - 1)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(if self.read_bit() { 1 } else { 0 }) << (n - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/lib.rs:480:29
[INFO] [stderr]     |
[INFO] [stderr] 480 |             self.write_bit((value >> n - 1) & 1 != 0);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `value >> (n - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/lib.rs:388:43
[INFO] [stderr]     |
[INFO] [stderr] 388 |         let bit = self.data[self.rpos] & (1 << 7 - self.rbit) != 0;
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `1 << (7 - self.rbit)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/lib.rs:413:14
[INFO] [stderr]     |
[INFO] [stderr] 413 |             ((if self.read_bit() { 1 } else { 0 }) << n - 1) | self.read_bits(n - 1)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(if self.read_bit() { 1 } else { 0 }) << (n - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/lib.rs:480:29
[INFO] [stderr]     |
[INFO] [stderr] 480 |             self.write_bit((value >> n - 1) & 1 != 0);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `value >> (n - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: item `ByteBuffer` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/lib.rs:15:1
[INFO] [stderr]     |
[INFO] [stderr] 15  | / impl ByteBuffer {
[INFO] [stderr] 16  | |     /// Construct a new, empty, ByteBuffer
[INFO] [stderr] 17  | |     pub fn new() -> ByteBuffer {
[INFO] [stderr] 18  | |         ByteBuffer {
[INFO] [stderr] ...   |
[INFO] [stderr] 485 | |     }
[INFO] [stderr] 486 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `ByteBuffer`
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     pub fn new() -> ByteBuffer {
[INFO] [stderr] 18 | |         ByteBuffer {
[INFO] [stderr] 19 | |             data: vec![],
[INFO] [stderr] 20 | |             wpos: 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |         }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         res.write(&self.data[range]).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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `bytebuffer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: item `ByteBuffer` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/lib.rs:15:1
[INFO] [stderr]     |
[INFO] [stderr] 15  | / impl ByteBuffer {
[INFO] [stderr] 16  | |     /// Construct a new, empty, ByteBuffer
[INFO] [stderr] 17  | |     pub fn new() -> ByteBuffer {
[INFO] [stderr] 18  | |         ByteBuffer {
[INFO] [stderr] ...   |
[INFO] [stderr] 485 | |     }
[INFO] [stderr] 486 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `ByteBuffer`
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     pub fn new() -> ByteBuffer {
[INFO] [stderr] 18 | |         ByteBuffer {
[INFO] [stderr] 19 | |             data: vec![],
[INFO] [stderr] 20 | |             wpos: 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |         }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         res.write(&self.data[range]).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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `bytebuffer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fcc66ddf6454331d93cae099e713894ed965b2a49e045ec096f8ded6b49102d6"`
[INFO] running `"docker" "rm" "-f" "fcc66ddf6454331d93cae099e713894ed965b2a49e045ec096f8ded6b49102d6"`
[INFO] [stdout] fcc66ddf6454331d93cae099e713894ed965b2a49e045ec096f8ded6b49102d6