[INFO] crate bit_manager 0.5.3 is already in cache
[INFO] extracting crate bit_manager 0.5.3 into work/ex/clippy-test-run/sources/stable/reg/bit_manager/0.5.3
[INFO] extracting crate bit_manager 0.5.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bit_manager/0.5.3
[INFO] validating manifest of bit_manager-0.5.3 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 bit_manager-0.5.3 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 bit_manager-0.5.3
[INFO] finished frobbing bit_manager-0.5.3
[INFO] frobbed toml for bit_manager-0.5.3 written to work/ex/clippy-test-run/sources/stable/reg/bit_manager/0.5.3/Cargo.toml
[INFO] started frobbing bit_manager-0.5.3
[INFO] finished frobbing bit_manager-0.5.3
[INFO] frobbed toml for bit_manager-0.5.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bit_manager/0.5.3/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 bit_manager-0.5.3 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bit_manager/0.5.3:/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 -Dclippy::into_iter_on_array" "-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] 9f405e4613811a53b448b9bffcf84050060e6e18c601762aff1c75e3ed26fda2
[INFO] running `"docker" "start" "-a" "9f405e4613811a53b448b9bffcf84050060e6e18c601762aff1c75e3ed26fda2"`
[INFO] [stderr]     Checking bit_manager v0.5.3 (/opt/crater/workdir)
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/buffer.rs:154:22
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let value = (self.buffer >> self.bits-8 & 0xff) as u8;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `self.buffer >> (self.bits-8)`
[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/buffer.rs:155:26
[INFO] [stderr]     |
[INFO] [stderr] 155 |         self.buffer &= !((0xff as u64) << self.bits-8);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(0xff as u64) << (self.bits-8)`
[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/buffer.rs:202:21
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let value = self.buffer >> self.bits-1 & 1 == 1;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `self.buffer >> (self.bits-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/buffer.rs:203:26
[INFO] [stderr]     |
[INFO] [stderr] 203 |         self.buffer &= !(1 << self.bits-1);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `1 << (self.bits-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/buffer.rs:154:22
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let value = (self.buffer >> self.bits-8 & 0xff) as u8;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `self.buffer >> (self.bits-8)`
[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/buffer.rs:155:26
[INFO] [stderr]     |
[INFO] [stderr] 155 |         self.buffer &= !((0xff as u64) << self.bits-8);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(0xff as u64) << (self.bits-8)`
[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/buffer.rs:202:21
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let value = self.buffer >> self.bits-1 & 1 == 1;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `self.buffer >> (self.bits-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/buffer.rs:203:26
[INFO] [stderr]     |
[INFO] [stderr] 203 |         self.buffer &= !(1 << self.bits-1);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `1 << (self.bits-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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/buffer.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 | /                 if let &Some(ref message) = message {
[INFO] [stderr] 47 | |                     write!(f, "bit error ({})", message)
[INFO] [stderr] 48 | |                 } else {
[INFO] [stderr] 49 | |                     write!(f, "unknown error")
[INFO] [stderr] 50 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 if let Some(ref message) = *message {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `buffer::BitBuffer`
[INFO] [stderr]    --> src/buffer.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 | /     pub fn new() -> BitBuffer {
[INFO] [stderr] 112 | |         BitBuffer {
[INFO] [stderr] 113 | |             buffer: 0,
[INFO] [stderr] 114 | |             bits: 0,
[INFO] [stderr] 115 | |         }
[INFO] [stderr] 116 | |     }
[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] 104 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/buffer.rs:123:42
[INFO] [stderr]     |
[INFO] [stderr] 123 |         self.buffer = self.buffer << 8 | value as u64;
[INFO] [stderr]     |                                          ^^^^^^^^^^^^ help: try: `u64::from(value)`
[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] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/buffer.rs:144:24
[INFO] [stderr]     |
[INFO] [stderr] 144 |         self.buffer |= (value as u64) << self.bits;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^ help: try: `u64::from(value)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/data.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 | /             match self {
[INFO] [stderr] 112 | |                 &StringConverter::LengthPrefixed { prefix_bits: 32 } => {
[INFO] [stderr] 113 | |                     writer.write_bit(false)?;
[INFO] [stderr] 114 | |                     writer.write_bit(false)
[INFO] [stderr] ...   |
[INFO] [stderr] 129 | |                 }
[INFO] [stderr] 130 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 111 |             match *self {
[INFO] [stderr] 112 |                 StringConverter::LengthPrefixed { prefix_bits: 32 } => {
[INFO] [stderr] 113 |                     writer.write_bit(false)?;
[INFO] [stderr] 114 |                     writer.write_bit(false)
[INFO] [stderr] 115 |                 }
[INFO] [stderr] 116 |                 StringConverter::LengthPrefixed { prefix_bits } => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:257:36
[INFO] [stderr]     |
[INFO] [stderr] 257 |                             int |= (read as $u) << (self.bits - index*8 - 8);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^ help: try: `u64::from(read)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:257:36
[INFO] [stderr]     |
[INFO] [stderr] 257 |                             int |= (read as $u) << (self.bits - index*8 - 8);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^ help: try: `u32::from(read)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:271:35
[INFO] [stderr]     |
[INFO] [stderr] 271 |                         let int = *value as u64;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: try: `u64::from(*value)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/buffer.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 | /                 if let &Some(ref message) = message {
[INFO] [stderr] 47 | |                     write!(f, "bit error ({})", message)
[INFO] [stderr] 48 | |                 } else {
[INFO] [stderr] 49 | |                     write!(f, "unknown error")
[INFO] [stderr] 50 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 if let Some(ref message) = *message {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:257:36
[INFO] [stderr]     |
[INFO] [stderr] 257 |                             int |= (read as $u) << (self.bits - index*8 - 8);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^ help: try: `u16::from(read)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `buffer::BitBuffer`
[INFO] [stderr]    --> src/buffer.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 | /     pub fn new() -> BitBuffer {
[INFO] [stderr] 112 | |         BitBuffer {
[INFO] [stderr] 113 | |             buffer: 0,
[INFO] [stderr] 114 | |             bits: 0,
[INFO] [stderr] 115 | |         }
[INFO] [stderr] 116 | |     }
[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] 104 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:271:35
[INFO] [stderr]     |
[INFO] [stderr] 271 |                         let int = *value as u64;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: try: `u64::from(*value)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/buffer.rs:123:42
[INFO] [stderr]     |
[INFO] [stderr] 123 |         self.buffer = self.buffer << 8 | value as u64;
[INFO] [stderr]     |                                          ^^^^^^^^^^^^ help: try: `u64::from(value)`
[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] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/buffer.rs:144:24
[INFO] [stderr]     |
[INFO] [stderr] 144 |         self.buffer |= (value as u64) << self.bits;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^ help: try: `u64::from(value)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:271:35
[INFO] [stderr]     |
[INFO] [stderr] 271 |                         let int = *value as u64;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: try: `u64::from(*value)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/data.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 | /             match self {
[INFO] [stderr] 112 | |                 &StringConverter::LengthPrefixed { prefix_bits: 32 } => {
[INFO] [stderr] 113 | |                     writer.write_bit(false)?;
[INFO] [stderr] 114 | |                     writer.write_bit(false)
[INFO] [stderr] ...   |
[INFO] [stderr] 129 | |                 }
[INFO] [stderr] 130 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 111 |             match *self {
[INFO] [stderr] 112 |                 StringConverter::LengthPrefixed { prefix_bits: 32 } => {
[INFO] [stderr] 113 |                     writer.write_bit(false)?;
[INFO] [stderr] 114 |                     writer.write_bit(false)
[INFO] [stderr] 115 |                 }
[INFO] [stderr] 116 |                 StringConverter::LengthPrefixed { prefix_bits } => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]    --> src/io.rs:190:30
[INFO] [stderr]     |
[INFO] [stderr] 190 |                     for i in 0..n {
[INFO] [stderr]     |                              ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 190 |                     for <item> in buf.iter().take(n) {
[INFO] [stderr]     |                         ^^^^^^    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:257:36
[INFO] [stderr]     |
[INFO] [stderr] 257 |                             int |= (read as $u) << (self.bits - index*8 - 8);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^ help: try: `u64::from(read)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:257:36
[INFO] [stderr]     |
[INFO] [stderr] 257 |                             int |= (read as $u) << (self.bits - index*8 - 8);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^ help: try: `u32::from(read)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:271:35
[INFO] [stderr]     |
[INFO] [stderr] 271 |                         let int = *value as u64;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: try: `u64::from(*value)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a `u32` to a `f32`
[INFO] [stderr]    --> src/lib.rs:111:36
[INFO] [stderr]     |
[INFO] [stderr] 111 |         (reader) => { Ok( unsafe { mem::transmute($u::from_be(mem::transmute::<[u8; $s], $u>(reader.read()?))) } ) },
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits($u::from_be(mem::transmute::<[u8; $s], $u>(reader.read()?)))`
[INFO] [stderr] ...
[INFO] [stderr] 116 | float_impl!(4 => u32 => f32; 8 => u64 => f64);
[INFO] [stderr]     | ---------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_int_to_float)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_float
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:257:36
[INFO] [stderr]     |
[INFO] [stderr] 257 |                             int |= (read as $u) << (self.bits - index*8 - 8);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^ help: try: `u16::from(read)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a `u64` to a `f64`
[INFO] [stderr]    --> src/lib.rs:111:36
[INFO] [stderr]     |
[INFO] [stderr] 111 |         (reader) => { Ok( unsafe { mem::transmute($u::from_be(mem::transmute::<[u8; $s], $u>(reader.read()?))) } ) },
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits($u::from_be(mem::transmute::<[u8; $s], $u>(reader.read()?)))`
[INFO] [stderr] ...
[INFO] [stderr] 116 | float_impl!(4 => u32 => f32; 8 => u64 => f64);
[INFO] [stderr]     | ---------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_float
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:271:35
[INFO] [stderr]     |
[INFO] [stderr] 271 |                         let int = *value as u64;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: try: `u64::from(*value)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 | /             if let &Some(ref value) = self {
[INFO] [stderr] 133 | |                 writer.write_bit(true)?;
[INFO] [stderr] 134 | |                 writer.write(value)
[INFO] [stderr] 135 | |             } else {
[INFO] [stderr] 136 | |                 writer.write_bit(false)
[INFO] [stderr] 137 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 132 |             if let Some(ref value) = *self {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 | /             match self {
[INFO] [stderr] 150 | |                 &Ok(ref value) => {
[INFO] [stderr] 151 | |                     writer.write_bit(true)?;
[INFO] [stderr] 152 | |                     writer.write(value)
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |                 }
[INFO] [stderr] 158 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:271:35
[INFO] [stderr]     |
[INFO] [stderr] 271 |                         let int = *value as u64;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: try: `u64::from(*value)`
[INFO] [stderr] ...
[INFO] [stderr] 294 | impl_bit_mask!(u64 64, u32 32, u16 16, u8 8);
[INFO] [stderr]     | --------------------------------------------- in this macro invocation
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 149 |             match *self {
[INFO] [stderr] 150 |                 Ok(ref value) => {
[INFO] [stderr] 151 |                     writer.write_bit(true)?;
[INFO] [stderr] 152 |                     writer.write(value)
[INFO] [stderr] 153 |                 },
[INFO] [stderr] 154 |                 Err(ref value) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]    --> src/io.rs:190:30
[INFO] [stderr]     |
[INFO] [stderr] 190 |                     for i in 0..n {
[INFO] [stderr]     |                              ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 190 |                     for <item> in buf.iter().take(n) {
[INFO] [stderr]     |                         ^^^^^^    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a `u32` to a `f32`
[INFO] [stderr]    --> src/lib.rs:111:36
[INFO] [stderr]     |
[INFO] [stderr] 111 |         (reader) => { Ok( unsafe { mem::transmute($u::from_be(mem::transmute::<[u8; $s], $u>(reader.read()?))) } ) },
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits($u::from_be(mem::transmute::<[u8; $s], $u>(reader.read()?)))`
[INFO] [stderr] ...
[INFO] [stderr] 116 | float_impl!(4 => u32 => f32; 8 => u64 => f64);
[INFO] [stderr]     | ---------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_int_to_float)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_float
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a `u64` to a `f64`
[INFO] [stderr]    --> src/lib.rs:111:36
[INFO] [stderr]     |
[INFO] [stderr] 111 |         (reader) => { Ok( unsafe { mem::transmute($u::from_be(mem::transmute::<[u8; $s], $u>(reader.read()?))) } ) },
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits($u::from_be(mem::transmute::<[u8; $s], $u>(reader.read()?)))`
[INFO] [stderr] ...
[INFO] [stderr] 116 | float_impl!(4 => u32 => f32; 8 => u64 => f64);
[INFO] [stderr]     | ---------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_float
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 | /             if let &Some(ref value) = self {
[INFO] [stderr] 133 | |                 writer.write_bit(true)?;
[INFO] [stderr] 134 | |                 writer.write(value)
[INFO] [stderr] 135 | |             } else {
[INFO] [stderr] 136 | |                 writer.write_bit(false)
[INFO] [stderr] 137 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 132 |             if let Some(ref value) = *self {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 | /             match self {
[INFO] [stderr] 150 | |                 &Ok(ref value) => {
[INFO] [stderr] 151 | |                     writer.write_bit(true)?;
[INFO] [stderr] 152 | |                     writer.write(value)
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |                 }
[INFO] [stderr] 158 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 149 |             match *self {
[INFO] [stderr] 150 |                 Ok(ref value) => {
[INFO] [stderr] 151 |                     writer.write_bit(true)?;
[INFO] [stderr] 152 |                     writer.write(value)
[INFO] [stderr] 153 |                 },
[INFO] [stderr] 154 |                 Err(ref value) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `"docker" "inspect" "9f405e4613811a53b448b9bffcf84050060e6e18c601762aff1c75e3ed26fda2"`
[INFO] running `"docker" "rm" "-f" "9f405e4613811a53b448b9bffcf84050060e6e18c601762aff1c75e3ed26fda2"`
[INFO] [stdout] 9f405e4613811a53b448b9bffcf84050060e6e18c601762aff1c75e3ed26fda2