[INFO] crate lzw 0.10.0 is already in cache
[INFO] extracting crate lzw 0.10.0 into work/ex/clippy-test-run/sources/stable/reg/lzw/0.10.0
[INFO] extracting crate lzw 0.10.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lzw/0.10.0
[INFO] validating manifest of lzw-0.10.0 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 lzw-0.10.0 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 lzw-0.10.0
[INFO] finished frobbing lzw-0.10.0
[INFO] frobbed toml for lzw-0.10.0 written to work/ex/clippy-test-run/sources/stable/reg/lzw/0.10.0/Cargo.toml
[INFO] started frobbing lzw-0.10.0
[INFO] finished frobbing lzw-0.10.0
[INFO] frobbed toml for lzw-0.10.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lzw/0.10.0/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 lzw-0.10.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/lzw/0.10.0:/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] ebeb4a95bf3aa477cf9e687e0c272dff6ad1b78afc8142bc69bfebe67d07cc7b
[INFO] running `"docker" "start" "-a" "ebeb4a95bf3aa477cf9e687e0c272dff6ad1b78afc8142bc69bfebe67d07cc7b"`
[INFO] [stderr]     Checking lzw v0.10.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lzw.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             min_size: min_size,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `min_size`
[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/lzw.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             c: c,
[INFO] [stderr]     |             ^^^^ help: replace it with: `c`
[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/lzw.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |             min_size: min_size
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `min_size`
[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/lzw.rs:385:13
[INFO] [stderr]     |
[INFO] [stderr] 385 |             w: w,
[INFO] [stderr]     |             ^^^^ help: replace it with: `w`
[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/lzw.rs:386:13
[INFO] [stderr]     |
[INFO] [stderr] 386 |             dict: dict,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `dict`
[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/lzw.rs:387:13
[INFO] [stderr]     |
[INFO] [stderr] 387 |             min_code_size: min_code_size,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `min_code_size`
[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/lzw.rs:388:13
[INFO] [stderr]     |
[INFO] [stderr] 388 |             code_size: code_size,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `code_size`
[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/lzw.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             min_size: min_size,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `min_size`
[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/lzw.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             c: c,
[INFO] [stderr]     |             ^^^^ help: replace it with: `c`
[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/lzw.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |             min_size: min_size
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `min_size`
[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/lzw.rs:385:13
[INFO] [stderr]     |
[INFO] [stderr] 385 |             w: w,
[INFO] [stderr]     |             ^^^^ help: replace it with: `w`
[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/lzw.rs:386:13
[INFO] [stderr]     |
[INFO] [stderr] 386 |             dict: dict,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `dict`
[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/lzw.rs:387:13
[INFO] [stderr]     |
[INFO] [stderr] 387 |             min_code_size: min_code_size,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `min_code_size`
[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/lzw.rs:388:13
[INFO] [stderr]     |
[INFO] [stderr] 388 |             code_size: code_size,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `code_size`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lzw.rs:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |                           data
[INFO] [stderr]     |                           ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 214 | / define_decoder_struct!{
[INFO] [stderr] 215 | |     Decoder, 0, #[doc = "Decoder for a LZW compressed stream (this algorithm is used for GIF files)."];
[INFO] [stderr] 216 | |     DecoderEarlyChange, 1, #[doc = "Decoder for a LZW compressed stream using an “early change” algorithm (used in TIFF files)."];
[INFO] [stderr] 217 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lzw.rs:180:36
[INFO] [stderr]     |
[INFO] [stderr] 180 |                           let data = if code == next_code {
[INFO] [stderr]     |  ____________________________________^
[INFO] [stderr] 181 | |                             let cha = try!(self.table.reconstruct(prev))[0];
[INFO] [stderr] 182 | |                             self.table.push(prev, cha);
[INFO] [stderr] 183 | |                             try!(self.table.reconstruct(Some(code)))
[INFO] [stderr] ...   |
[INFO] [stderr] 190 | |                             unreachable!()
[INFO] [stderr] 191 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr] ...
[INFO] [stderr] 214 | / define_decoder_struct!{
[INFO] [stderr] 215 | |     Decoder, 0, #[doc = "Decoder for a LZW compressed stream (this algorithm is used for GIF files)."];
[INFO] [stderr] 216 | |     DecoderEarlyChange, 1, #[doc = "Decoder for a LZW compressed stream using an “early change” algorithm (used in TIFF files)."];
[INFO] [stderr] 217 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lzw.rs:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |                           data
[INFO] [stderr]     |                           ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 214 | / define_decoder_struct!{
[INFO] [stderr] 215 | |     Decoder, 0, #[doc = "Decoder for a LZW compressed stream (this algorithm is used for GIF files)."];
[INFO] [stderr] 216 | |     DecoderEarlyChange, 1, #[doc = "Decoder for a LZW compressed stream using an “early change” algorithm (used in TIFF files)."];
[INFO] [stderr] 217 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lzw.rs:180:36
[INFO] [stderr]     |
[INFO] [stderr] 180 |                           let data = if code == next_code {
[INFO] [stderr]     |  ____________________________________^
[INFO] [stderr] 181 | |                             let cha = try!(self.table.reconstruct(prev))[0];
[INFO] [stderr] 182 | |                             self.table.push(prev, cha);
[INFO] [stderr] 183 | |                             try!(self.table.reconstruct(Some(code)))
[INFO] [stderr] ...   |
[INFO] [stderr] 190 | |                             unreachable!()
[INFO] [stderr] 191 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr] ...
[INFO] [stderr] 214 | / define_decoder_struct!{
[INFO] [stderr] 215 | |     Decoder, 0, #[doc = "Decoder for a LZW compressed stream (this algorithm is used for GIF files)."];
[INFO] [stderr] 216 | |     DecoderEarlyChange, 1, #[doc = "Decoder for a LZW compressed stream using an “early change” algorithm (used in TIFF files)."];
[INFO] [stderr] 217 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lzw.rs:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |                           data
[INFO] [stderr]     |                           ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 214 | / define_decoder_struct!{
[INFO] [stderr] 215 | |     Decoder, 0, #[doc = "Decoder for a LZW compressed stream (this algorithm is used for GIF files)."];
[INFO] [stderr] 216 | |     DecoderEarlyChange, 1, #[doc = "Decoder for a LZW compressed stream using an “early change” algorithm (used in TIFF files)."];
[INFO] [stderr] 217 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lzw.rs:180:36
[INFO] [stderr]     |
[INFO] [stderr] 180 |                           let data = if code == next_code {
[INFO] [stderr]     |  ____________________________________^
[INFO] [stderr] 181 | |                             let cha = try!(self.table.reconstruct(prev))[0];
[INFO] [stderr] 182 | |                             self.table.push(prev, cha);
[INFO] [stderr] 183 | |                             try!(self.table.reconstruct(Some(code)))
[INFO] [stderr] ...   |
[INFO] [stderr] 190 | |                             unreachable!()
[INFO] [stderr] 191 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr] ...
[INFO] [stderr] 214 | / define_decoder_struct!{
[INFO] [stderr] 215 | |     Decoder, 0, #[doc = "Decoder for a LZW compressed stream (this algorithm is used for GIF files)."];
[INFO] [stderr] 216 | |     DecoderEarlyChange, 1, #[doc = "Decoder for a LZW compressed stream using an “early change” algorithm (used in TIFF files)."];
[INFO] [stderr] 217 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lzw.rs:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |                           data
[INFO] [stderr]     |                           ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 214 | / define_decoder_struct!{
[INFO] [stderr] 215 | |     Decoder, 0, #[doc = "Decoder for a LZW compressed stream (this algorithm is used for GIF files)."];
[INFO] [stderr] 216 | |     DecoderEarlyChange, 1, #[doc = "Decoder for a LZW compressed stream using an “early change” algorithm (used in TIFF files)."];
[INFO] [stderr] 217 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lzw.rs:180:36
[INFO] [stderr]     |
[INFO] [stderr] 180 |                           let data = if code == next_code {
[INFO] [stderr]     |  ____________________________________^
[INFO] [stderr] 181 | |                             let cha = try!(self.table.reconstruct(prev))[0];
[INFO] [stderr] 182 | |                             self.table.push(prev, cha);
[INFO] [stderr] 183 | |                             try!(self.table.reconstruct(Some(code)))
[INFO] [stderr] ...   |
[INFO] [stderr] 190 | |                             unreachable!()
[INFO] [stderr] 191 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr] ...
[INFO] [stderr] 214 | / define_decoder_struct!{
[INFO] [stderr] 215 | |     Decoder, 0, #[doc = "Decoder for a LZW compressed stream (this algorithm is used for GIF files)."];
[INFO] [stderr] 216 | |     DecoderEarlyChange, 1, #[doc = "Decoder for a LZW compressed stream using an “early change” algorithm (used in TIFF files)."];
[INFO] [stderr] 217 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/lzw.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Read, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lzw.rs:308:39
[INFO] [stderr]     |
[INFO] [stderr] 308 |             Some(self.search_initials(c as Code))
[INFO] [stderr]     |                                       ^^^^^^^^^ help: try: `u16::from(c)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lzw.rs:317:9
[INFO] [stderr]     |
[INFO] [stderr] 317 |         self.table[i as usize].c as Code
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.table[i as usize].c)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lzw.rs:339:43
[INFO] [stderr]     |
[INFO] [stderr] 339 |             i = Some(dict.search_initials(c as Code))
[INFO] [stderr]     |                                           ^^^^^^^^^ help: try: `u16::from(c)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lzw.rs:411:48
[INFO] [stderr]     |
[INFO] [stderr] 411 |                 *i = Some(dict.search_initials(c as Code))
[INFO] [stderr]     |                                                ^^^^^^^^^ help: try: `u16::from(c)`
[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 `bitstream::LsbReader`
[INFO] [stderr]   --> src/bitstream.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | /     pub fn new() -> $name {
[INFO] [stderr] 44 | |         $name {
[INFO] [stderr] 45 | |             bits: 0,
[INFO] [stderr] 46 | |             acc: 0,
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] ...
[INFO] [stderr] 58 | / define_bit_readers!{
[INFO] [stderr] 59 | |     LsbReader, #[doc = "Reads bits from a byte stream, LSB first."];
[INFO] [stderr] 60 | |     MsbReader, #[doc = "Reads bits from a byte stream, MSB first."];
[INFO] [stderr] 61 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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] 35 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `bitstream::MsbReader`
[INFO] [stderr]   --> src/bitstream.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | /     pub fn new() -> $name {
[INFO] [stderr] 44 | |         $name {
[INFO] [stderr] 45 | |             bits: 0,
[INFO] [stderr] 46 | |             acc: 0,
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] ...
[INFO] [stderr] 58 | / define_bit_readers!{
[INFO] [stderr] 59 | |     LsbReader, #[doc = "Reads bits from a byte stream, LSB first."];
[INFO] [stderr] 60 | |     MsbReader, #[doc = "Reads bits from a byte stream, MSB first."];
[INFO] [stderr] 61 | | }
[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#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/bitstream.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |             let byte = 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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/bitstream.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |             self.acc |= (byte as u32) << self.bits;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: try: `u32::from(byte)`
[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: length comparison to zero
[INFO] [stderr]    --> src/bitstream.rs:102:27
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let byte = if buf.len() > 0 {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!buf.is_empty()`
[INFO] [stderr]     |
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bitstream.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |             self.acc |= (byte as u32) << (24 - self.bits);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: try: `u32::from(byte)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bitstream.rs:154:38
[INFO] [stderr]     |
[INFO] [stderr] 154 |                   try!(self.write_bits(byte as u16, 8))
[INFO] [stderr]     |                                        ^^^^^^^^^^^ help: try: `u16::from(byte)`
[INFO] [stderr] ...
[INFO] [stderr] 174 | / define_bit_writers!{
[INFO] [stderr] 175 | |     LsbWriter, #[doc = "Writes bits to a byte stream, LSB first."];
[INFO] [stderr] 176 | |     MsbWriter, #[doc = "Writes bits to a byte stream, MSB first."];
[INFO] [stderr] 177 | | }
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bitstream.rs:182:21
[INFO] [stderr]     |
[INFO] [stderr] 182 |         self.acc |= (v as u32) << self.bits;
[INFO] [stderr]     |                     ^^^^^^^^^^ help: try: `u32::from(v)`
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bitstream.rs:198:21
[INFO] [stderr]     |
[INFO] [stderr] 198 |         self.acc |= (v as u32) << (32 - n - self.bits);
[INFO] [stderr]     |                     ^^^^^^^^^^ help: try: `u32::from(v)`
[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: unused import: `Write`
[INFO] [stderr]  --> src/lzw.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Read, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lzw.rs:308:39
[INFO] [stderr]     |
[INFO] [stderr] 308 |             Some(self.search_initials(c as Code))
[INFO] [stderr]     |                                       ^^^^^^^^^ help: try: `u16::from(c)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lzw.rs:317:9
[INFO] [stderr]     |
[INFO] [stderr] 317 |         self.table[i as usize].c as Code
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.table[i as usize].c)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lzw.rs:339:43
[INFO] [stderr]     |
[INFO] [stderr] 339 |             i = Some(dict.search_initials(c as Code))
[INFO] [stderr]     |                                           ^^^^^^^^^ help: try: `u16::from(c)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lzw.rs:411:48
[INFO] [stderr]     |
[INFO] [stderr] 411 |                 *i = Some(dict.search_initials(c as Code))
[INFO] [stderr]     |                                                ^^^^^^^^^ help: try: `u16::from(c)`
[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: length comparison to zero
[INFO] [stderr]    --> src/lzw.rs:475:11
[INFO] [stderr]     |
[INFO] [stderr] 475 |     while compressed.len() > 0 {
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!compressed.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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lzw.rs:478:22
[INFO] [stderr]     |
[INFO] [stderr] 478 |         data2.extend(bytes.iter().map(|&i| i));
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `bytes.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `bitstream::LsbReader`
[INFO] [stderr]   --> src/bitstream.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | /     pub fn new() -> $name {
[INFO] [stderr] 44 | |         $name {
[INFO] [stderr] 45 | |             bits: 0,
[INFO] [stderr] 46 | |             acc: 0,
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] ...
[INFO] [stderr] 58 | / define_bit_readers!{
[INFO] [stderr] 59 | |     LsbReader, #[doc = "Reads bits from a byte stream, LSB first."];
[INFO] [stderr] 60 | |     MsbReader, #[doc = "Reads bits from a byte stream, MSB first."];
[INFO] [stderr] 61 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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] 35 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `bitstream::MsbReader`
[INFO] [stderr]   --> src/bitstream.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | /     pub fn new() -> $name {
[INFO] [stderr] 44 | |         $name {
[INFO] [stderr] 45 | |             bits: 0,
[INFO] [stderr] 46 | |             acc: 0,
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] ...
[INFO] [stderr] 58 | / define_bit_readers!{
[INFO] [stderr] 59 | |     LsbReader, #[doc = "Reads bits from a byte stream, LSB first."];
[INFO] [stderr] 60 | |     MsbReader, #[doc = "Reads bits from a byte stream, MSB first."];
[INFO] [stderr] 61 | | }
[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#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/bitstream.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |             let byte = if buf.len() > 0 {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!buf.is_empty()`
[INFO] [stderr]    |
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/bitstream.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |             self.acc |= (byte as u32) << self.bits;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: try: `u32::from(byte)`
[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: length comparison to zero
[INFO] [stderr]    --> src/bitstream.rs:102:27
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let byte = if buf.len() > 0 {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!buf.is_empty()`
[INFO] [stderr]     |
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bitstream.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |             self.acc |= (byte as u32) << (24 - self.bits);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: try: `u32::from(byte)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bitstream.rs:154:38
[INFO] [stderr]     |
[INFO] [stderr] 154 |                   try!(self.write_bits(byte as u16, 8))
[INFO] [stderr]     |                                        ^^^^^^^^^^^ help: try: `u16::from(byte)`
[INFO] [stderr] ...
[INFO] [stderr] 174 | / define_bit_writers!{
[INFO] [stderr] 175 | |     LsbWriter, #[doc = "Writes bits to a byte stream, LSB first."];
[INFO] [stderr] 176 | |     MsbWriter, #[doc = "Writes bits to a byte stream, MSB first."];
[INFO] [stderr] 177 | | }
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bitstream.rs:182:21
[INFO] [stderr]     |
[INFO] [stderr] 182 |         self.acc |= (v as u32) << self.bits;
[INFO] [stderr]     |                     ^^^^^^^^^^ help: try: `u32::from(v)`
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bitstream.rs:198:21
[INFO] [stderr]     |
[INFO] [stderr] 198 |         self.acc |= (v as u32) << (32 - n - self.bits);
[INFO] [stderr]     |                     ^^^^^^^^^^ help: try: `u32::from(v)`
[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: length comparison to zero
[INFO] [stderr]   --> examples/lzw-decompress.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "ebeb4a95bf3aa477cf9e687e0c272dff6ad1b78afc8142bc69bfebe67d07cc7b"`
[INFO] running `"docker" "rm" "-f" "ebeb4a95bf3aa477cf9e687e0c272dff6ad1b78afc8142bc69bfebe67d07cc7b"`
[INFO] [stdout] ebeb4a95bf3aa477cf9e687e0c272dff6ad1b78afc8142bc69bfebe67d07cc7b