[INFO] crate bmp-encoder 0.1.4 is already in cache
[INFO] checking bmp-encoder-0.1.4 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate bmp-encoder 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bmp-encoder 0.1.4 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bmp-encoder 0.1.4
[INFO] finished tweaking crates.io crate bmp-encoder 0.1.4
[INFO] tweaked toml for crates.io crate bmp-encoder 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56eeaf689cc06322cb34f2d832f7786ce5efabc7738fb5ea3ac765282cc12ce5
[INFO] running `"docker" "start" "-a" "56eeaf689cc06322cb34f2d832f7786ce5efabc7738fb5ea3ac765282cc12ce5"`
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking bmp-encoder v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     try!(read_bmp_id(bmp_data));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:2:24
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let header = try!(read_bmp_header(bmp_data));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:88:22
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let dib_header = try!(read_bmp_dib_header(bmp_data));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let color_palette = try!(read_color_palette(bmp_data, &dib_header));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:97:30
[INFO] [stderr]    |
[INFO] [stderr] 97 |         Some(ref palette) => try!(
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |         None => try!(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     try!(bmp_data.read(&mut bm));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:132:23
[INFO] [stderr]     |
[INFO] [stderr] 132 |         file_size:    try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:133:23
[INFO] [stderr]     |
[INFO] [stderr] 133 |         creator1:     try!(bmp_data.read_u16::<LittleEndian>()),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:134:23
[INFO] [stderr]     |
[INFO] [stderr] 134 |         creator2:     try!(bmp_data.read_u16::<LittleEndian>()),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:135:23
[INFO] [stderr]     |
[INFO] [stderr] 135 |         pixel_offset: try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |         header_size:    try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:144:25
[INFO] [stderr]     |
[INFO] [stderr] 144 |         width:          try!(bmp_data.read_i32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:145:25
[INFO] [stderr]     |
[INFO] [stderr] 145 |         height:         try!(bmp_data.read_i32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:146:25
[INFO] [stderr]     |
[INFO] [stderr] 146 |         num_planes:     try!(bmp_data.read_u16::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |         bits_per_pixel: try!(bmp_data.read_u16::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:148:25
[INFO] [stderr]     |
[INFO] [stderr] 148 |         compress_type:  try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:149:25
[INFO] [stderr]     |
[INFO] [stderr] 149 |         data_size:      try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:150:25
[INFO] [stderr]     |
[INFO] [stderr] 150 |         hres:           try!(bmp_data.read_i32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 151 |         vres:           try!(bmp_data.read_i32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |         num_colors:     try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |         num_imp_colors: try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         try!(bmp_data.read(&mut px));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     try!(bmp_data.seek(SeekFrom::Start(offset as u64)));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:238:13
[INFO] [stderr]     |
[INFO] [stderr] 238 |             try!(bmp_data.read(&mut px));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         try!(bmp_data.seek(SeekFrom::Current(padding)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     try!(write_header(&mut bmp_data, bmp_image));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     try!(write_data(&mut bmp_data, bmp_image));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     try!(io::Write::write(bmp_data, &[B, M]));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     try!(bmp_data.write_u32::<LittleEndian>(header_size + data_size));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     try!(bmp_data.write_u16::<LittleEndian>(header.creator1));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     try!(bmp_data.write_u16::<LittleEndian>(header.creator2));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     try!(bmp_data.write_u32::<LittleEndian>(header_size)); // pixel_offset
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     try!(bmp_data.write_u32::<LittleEndian>(dib_header.header_size));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     try!(bmp_data.write_i32::<LittleEndian>(dib_header.width));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(bmp_data.write_i32::<LittleEndian>(dib_header.height));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     try!(bmp_data.write_u16::<LittleEndian>(1));  // num_planes
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(bmp_data.write_u16::<LittleEndian>(24)); // bits_per_pixel
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     try!(bmp_data.write_u32::<LittleEndian>(0));  // compress_type
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     try!(bmp_data.write_u32::<LittleEndian>(data_size));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     try!(bmp_data.write_i32::<LittleEndian>(dib_header.hres));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     try!(bmp_data.write_i32::<LittleEndian>(dib_header.vres));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     try!(bmp_data.write_u32::<LittleEndian>(0)); // num_colors
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     try!(bmp_data.write_u32::<LittleEndian>(0)); // num_imp_colors
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(Write::write(bmp_data, &[px.b, px.g, px.r]));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(Write::write(bmp_data, padding));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |         try!(write!(f, "Image {}\n", '{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         try!(write!(f, "\theader: {:?},\n", self.header));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |         try!(write!(f, "\tdib_header: {:?},\n", self.dib_header));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         try!(write!(f, "\tcolor_palette: {:?},\n", self.color_palette));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(write!(f, "\twidth: {:?},\n", self.width));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(write!(f, "\theight: {:?},\n", self.height));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(write!(f, "\tpadding: {:?},\n", self.padding));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:329:24
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let bmp_data = try!(encoder::encode_image(self));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:330:28
[INFO] [stderr]     |
[INFO] [stderr] 330 |         let mut bmp_file = try!(fs::File::create(name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:331:9
[INFO] [stderr]     |
[INFO] [stderr] 331 |         try!(bmp_file.write(&bmp_data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:349:17
[INFO] [stderr]     |
[INFO] [stderr] 349 |     let mut f = try!(fs::File::open(name));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:350:5
[INFO] [stderr]     |
[INFO] [stderr] 350 |     try!(f.read_to_end(&mut bytes));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `std::error::Error`
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:2:24
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/decoder.rs:78:34
[INFO] [stderr]    |
[INFO] [stderr] 78 |             BmpIoError(ref e) => Error::description(e),
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/decoder.rs:79:41
[INFO] [stderr]    |
[INFO] [stderr] 79 |             BmpByteorderError(ref e) => Error::description(e),
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     try!(read_bmp_id(bmp_data));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let header = try!(read_bmp_header(bmp_data));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:88:22
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let dib_header = try!(read_bmp_dib_header(bmp_data));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let color_palette = try!(read_color_palette(bmp_data, &dib_header));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:97:30
[INFO] [stderr]    |
[INFO] [stderr] 97 |         Some(ref palette) => try!(
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |         None => try!(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     try!(bmp_data.read(&mut bm));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:132:23
[INFO] [stderr]     |
[INFO] [stderr] 132 |         file_size:    try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:133:23
[INFO] [stderr]     |
[INFO] [stderr] 133 |         creator1:     try!(bmp_data.read_u16::<LittleEndian>()),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:134:23
[INFO] [stderr]     |
[INFO] [stderr] 134 |         creator2:     try!(bmp_data.read_u16::<LittleEndian>()),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:135:23
[INFO] [stderr]     |
[INFO] [stderr] 135 |         pixel_offset: try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |         header_size:    try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:144:25
[INFO] [stderr]     |
[INFO] [stderr] 144 |         width:          try!(bmp_data.read_i32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:145:25
[INFO] [stderr]     |
[INFO] [stderr] 145 |         height:         try!(bmp_data.read_i32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:146:25
[INFO] [stderr]     |
[INFO] [stderr] 146 |         num_planes:     try!(bmp_data.read_u16::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |         bits_per_pixel: try!(bmp_data.read_u16::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:148:25
[INFO] [stderr]     |
[INFO] [stderr] 148 |         compress_type:  try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:149:25
[INFO] [stderr]     |
[INFO] [stderr] 149 |         data_size:      try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:150:25
[INFO] [stderr]     |
[INFO] [stderr] 150 |         hres:           try!(bmp_data.read_i32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 151 |         vres:           try!(bmp_data.read_i32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |         num_colors:     try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |         num_imp_colors: try!(bmp_data.read_u32::<LittleEndian>()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         try!(bmp_data.read(&mut px));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     try!(bmp_data.seek(SeekFrom::Start(offset as u64)));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:238:13
[INFO] [stderr]     |
[INFO] [stderr] 238 |             try!(bmp_data.read(&mut px));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         try!(bmp_data.seek(SeekFrom::Current(padding)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     try!(write_header(&mut bmp_data, bmp_image));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     try!(write_data(&mut bmp_data, bmp_image));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     try!(io::Write::write(bmp_data, &[B, M]));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     try!(bmp_data.write_u32::<LittleEndian>(header_size + data_size));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     try!(bmp_data.write_u16::<LittleEndian>(header.creator1));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     try!(bmp_data.write_u16::<LittleEndian>(header.creator2));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     try!(bmp_data.write_u32::<LittleEndian>(header_size)); // pixel_offset
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     try!(bmp_data.write_u32::<LittleEndian>(dib_header.header_size));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     try!(bmp_data.write_i32::<LittleEndian>(dib_header.width));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(bmp_data.write_i32::<LittleEndian>(dib_header.height));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     try!(bmp_data.write_u16::<LittleEndian>(1));  // num_planes
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(bmp_data.write_u16::<LittleEndian>(24)); // bits_per_pixel
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     try!(bmp_data.write_u32::<LittleEndian>(0));  // compress_type
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     try!(bmp_data.write_u32::<LittleEndian>(data_size));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     try!(bmp_data.write_i32::<LittleEndian>(dib_header.hres));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     try!(bmp_data.write_i32::<LittleEndian>(dib_header.vres));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     try!(bmp_data.write_u32::<LittleEndian>(0)); // num_colors
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     try!(bmp_data.write_u32::<LittleEndian>(0)); // num_imp_colors
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(Write::write(bmp_data, &[px.b, px.g, px.r]));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(Write::write(bmp_data, padding));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |         try!(write!(f, "Image {}\n", '{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         try!(write!(f, "\theader: {:?},\n", self.header));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |         try!(write!(f, "\tdib_header: {:?},\n", self.dib_header));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         try!(write!(f, "\tcolor_palette: {:?},\n", self.color_palette));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(write!(f, "\twidth: {:?},\n", self.width));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(write!(f, "\theight: {:?},\n", self.height));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(write!(f, "\tpadding: {:?},\n", self.padding));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:329:24
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let bmp_data = try!(encoder::encode_image(self));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:330:28
[INFO] [stderr]     |
[INFO] [stderr] 330 |         let mut bmp_file = try!(fs::File::create(name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:331:9
[INFO] [stderr]     |
[INFO] [stderr] 331 |         try!(bmp_file.write(&bmp_data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:349:17
[INFO] [stderr]     |
[INFO] [stderr] 349 |     let mut f = try!(fs::File::open(name));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:350:5
[INFO] [stderr]     |
[INFO] [stderr] 350 |     try!(f.read_to_end(&mut bytes));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/decoder.rs:78:34
[INFO] [stderr]    |
[INFO] [stderr] 78 |             BmpIoError(ref e) => Error::description(e),
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/decoder.rs:79:41
[INFO] [stderr]    |
[INFO] [stderr] 79 |             BmpByteorderError(ref e) => Error::description(e),
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/decoder.rs:58:41
[INFO] [stderr]    |
[INFO] [stderr] 58 |             _ => write!(fmt, "{}", self.description())
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/decoder.rs:58:41
[INFO] [stderr]    |
[INFO] [stderr] 58 |             _ => write!(fmt, "{}", self.description())
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/decoder.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{self, Cursor, Read, Write, SeekFrom, Seek};
[INFO] [stderr]   |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `Write`
[INFO] [stderr]  --> src/decoder.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{self, Cursor, Read, Write, SeekFrom, Seek};
[INFO] [stderr]   |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 63 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `bmp-encoder`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variant is never constructed: `Version1`
[INFO] [stderr]   --> src/lib.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     Version1,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Version3`
[INFO] [stderr]   --> src/lib.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Version3,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Version4`
[INFO] [stderr]   --> src/lib.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     Version4,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "56eeaf689cc06322cb34f2d832f7786ce5efabc7738fb5ea3ac765282cc12ce5"`
[INFO] running `"docker" "rm" "-f" "56eeaf689cc06322cb34f2d832f7786ce5efabc7738fb5ea3ac765282cc12ce5"`
[INFO] [stdout] 56eeaf689cc06322cb34f2d832f7786ce5efabc7738fb5ea3ac765282cc12ce5
