[INFO] crate riff-wave 0.1.2 is already in cache
[INFO] checking riff-wave-0.1.2 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate riff-wave 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate riff-wave 0.1.2 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate riff-wave 0.1.2
[INFO] finished tweaking crates.io crate riff-wave 0.1.2
[INFO] tweaked toml for crates.io crate riff-wave 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3a19a98078f8515ab6ea6ea6b0ad318a14439c5f02d5d3c5d2fff10ea10891bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3a19a98078f8515ab6ea6ea6b0ad318a14439c5f02d5d3c5d2fff10ea10891bd"`
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking decibel v0.1.2
[INFO] [stderr]     Checking riff-wave v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         try!(self.validate_is_riff_file());
[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/reader.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(self.validate_is_wave_file());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:147:33
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let fmt_subchunk_size = try!(self.skip_until_subchunk(b"fmt "));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(validate_fmt_header_is_large_enough(fmt_subchunk_size, 14));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:149:22
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let format = try!(validate_pcm_format(try!(self.read_u16::<LittleEndian>())));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:149:47
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let format = try!(validate_pcm_format(try!(self.read_u16::<LittleEndian>())));
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(validate_fmt_header_is_large_enough(fmt_subchunk_size, 16));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:152:28
[INFO] [stderr]     |
[INFO] [stderr] 152 |         let num_channels = try!(self.read_u16::<LittleEndian>());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:153:27
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let sample_rate = try!(self.read_u32::<LittleEndian>());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let _ = try!(self.read_u32::<LittleEndian>());              // Byte rate, ignored.
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let _ = try!(self.read_u16::<LittleEndian>());              // Block align, ignored.
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:156:31
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let bits_per_sample = try!(self.read_u16::<LittleEndian>());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:159:40
[INFO] [stderr]     |
[INFO] [stderr] 159 |             Format::UncompressedPcm => try!(self.skip_over_remainder(16, fmt_subchunk_size)),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:160:33
[INFO] [stderr]     |
[INFO] [stderr] 160 |             Format::Extended => try!(self.validate_extended_format(bits_per_sample)),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:181:31
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let extra_info_size = try!(self.read_u16::<LittleEndian>());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |         try!(validate_fmt_header_is_large_enough(extra_info_size.into(), 22));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:184:27
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let sample_info = try!(self.read_u16::<LittleEndian>());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:185:17
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let _ = try!(self.read_u32::<LittleEndian>());              // Channel mask, ignored.
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         try!(validate_pcm_subformat(try!(self.read_u16::<LittleEndian>())));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:186:37
[INFO] [stderr]     |
[INFO] [stderr] 186 |         try!(validate_pcm_subformat(try!(self.read_u16::<LittleEndian>())));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |         try!(self.skip_over_remainder(8, extra_info_size.into()));  // Ignore the rest of the GUID.
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             try!(self.seek(SeekFrom::Current(remainder.into())));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(self.validate_tag(b"RIFF", ReadErrorKind::NotARiffFile));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:212:17
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let _ = try!(self.read_chunk_size());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(self.validate_tag(b"WAVE", ReadErrorKind::NotAWaveFile));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:222:19
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let tag = try!(self.read_tag());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:231:23
[INFO] [stderr]     |
[INFO] [stderr] 231 |             let tag = try!(self.read_tag());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:232:33
[INFO] [stderr]     |
[INFO] [stderr] 232 |             let subchunk_size = try!(self.read_chunk_size());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:237:17
[INFO] [stderr]     |
[INFO] [stderr] 237 |                 try!(self.seek(SeekFrom::Current(subchunk_size.into())));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 |         try!(self.read_exact(&mut tag));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 249 |         Ok(try!(self.read_u32::<LittleEndian>()))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:275:26
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let pcm_format = try!(reader.read_wave_header());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:276:17
[INFO] [stderr]     |
[INFO] [stderr] 276 |         let _ = try!(reader.skip_until_subchunk(b"data"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:308:12
[INFO] [stderr]     |
[INFO] [stderr] 308 |         Ok(try!(read_data(&mut self.reader)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         try!(self.write_riff_wave_chunk_header());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(self.write_standard_fmt_subchunk(pcm_format));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         try!(self.write_data_subchunk_header());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(self.write_all(b"RIFF"));                      // Identifier
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(self.write_u32_l(36));                         // File size (header) minus eight bytes
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(self.write_all(b"WAVE"));                      // Identifier
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.write_all(b"fmt "));                      // "fmt " chunk and size
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.write_u32_l(16));                         // Subchunk size
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(self.write_u16_l(FORMAT_UNCOMPRESSED_PCM));    // PCM Format
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.write_u16_l(num_channels));               // Number of channels
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.write_u32_l(sample_rate));                // Sample rate
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         try!(self.write_u32_l(byte_rate));                  // Byte rate
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(self.write_u16_l(block_align));                // Block align
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(self.write_u16_l(bits_per_sample));            // Bits per sample
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(self.write_all(b"data"));                      // Start of "data" subchunk
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         try!(self.write_u32_l(0));                          // Size of data subchunk.
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         try!(writer.write_standard_wave_header(&pcm_format));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         try!(self.do_overflow_check_for_next_sample());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(write_data(&mut self.writer, sample));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         try!(self.writer.seek(SeekFrom::Start(4)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:257:9
[INFO] [stderr]     |
[INFO] [stderr] 257 |         try!(self.writer.write_u32_l(riff_chunk_size));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:260:9
[INFO] [stderr]     |
[INFO] [stderr] 260 |         try!(self.writer.seek(SeekFrom::Start(40)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |         try!(self.writer.write_u32_l(data_chunk_size));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:264:9
[INFO] [stderr]     |
[INFO] [stderr] 264 |         try!(self.writer.seek(SeekFrom::End(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reader.rs:100:32
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writer.rs:55:32
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         try!(self.validate_is_riff_file());
[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/reader.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(self.validate_is_wave_file());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:147:33
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let fmt_subchunk_size = try!(self.skip_until_subchunk(b"fmt "));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(validate_fmt_header_is_large_enough(fmt_subchunk_size, 14));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:149:22
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let format = try!(validate_pcm_format(try!(self.read_u16::<LittleEndian>())));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:149:47
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let format = try!(validate_pcm_format(try!(self.read_u16::<LittleEndian>())));
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(validate_fmt_header_is_large_enough(fmt_subchunk_size, 16));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:152:28
[INFO] [stderr]     |
[INFO] [stderr] 152 |         let num_channels = try!(self.read_u16::<LittleEndian>());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:153:27
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let sample_rate = try!(self.read_u32::<LittleEndian>());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let _ = try!(self.read_u32::<LittleEndian>());              // Byte rate, ignored.
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let _ = try!(self.read_u16::<LittleEndian>());              // Block align, ignored.
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:156:31
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let bits_per_sample = try!(self.read_u16::<LittleEndian>());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:159:40
[INFO] [stderr]     |
[INFO] [stderr] 159 |             Format::UncompressedPcm => try!(self.skip_over_remainder(16, fmt_subchunk_size)),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:160:33
[INFO] [stderr]     |
[INFO] [stderr] 160 |             Format::Extended => try!(self.validate_extended_format(bits_per_sample)),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:181:31
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let extra_info_size = try!(self.read_u16::<LittleEndian>());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |         try!(validate_fmt_header_is_large_enough(extra_info_size.into(), 22));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:184:27
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let sample_info = try!(self.read_u16::<LittleEndian>());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:185:17
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let _ = try!(self.read_u32::<LittleEndian>());              // Channel mask, ignored.
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         try!(validate_pcm_subformat(try!(self.read_u16::<LittleEndian>())));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:186:37
[INFO] [stderr]     |
[INFO] [stderr] 186 |         try!(validate_pcm_subformat(try!(self.read_u16::<LittleEndian>())));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |         try!(self.skip_over_remainder(8, extra_info_size.into()));  // Ignore the rest of the GUID.
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             try!(self.seek(SeekFrom::Current(remainder.into())));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(self.validate_tag(b"RIFF", ReadErrorKind::NotARiffFile));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:212:17
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let _ = try!(self.read_chunk_size());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(self.validate_tag(b"WAVE", ReadErrorKind::NotAWaveFile));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:222:19
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let tag = try!(self.read_tag());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:231:23
[INFO] [stderr]     |
[INFO] [stderr] 231 |             let tag = try!(self.read_tag());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:232:33
[INFO] [stderr]     |
[INFO] [stderr] 232 |             let subchunk_size = try!(self.read_chunk_size());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:237:17
[INFO] [stderr]     |
[INFO] [stderr] 237 |                 try!(self.seek(SeekFrom::Current(subchunk_size.into())));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 |         try!(self.read_exact(&mut tag));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 249 |         Ok(try!(self.read_u32::<LittleEndian>()))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:275:26
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let pcm_format = try!(reader.read_wave_header());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:276:17
[INFO] [stderr]     |
[INFO] [stderr] 276 |         let _ = try!(reader.skip_until_subchunk(b"data"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:308:12
[INFO] [stderr]     |
[INFO] [stderr] 308 |         Ok(try!(read_data(&mut self.reader)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         try!(self.write_riff_wave_chunk_header());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(self.write_standard_fmt_subchunk(pcm_format));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         try!(self.write_data_subchunk_header());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(self.write_all(b"RIFF"));                      // Identifier
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(self.write_u32_l(36));                         // File size (header) minus eight bytes
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(self.write_all(b"WAVE"));                      // Identifier
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.write_all(b"fmt "));                      // "fmt " chunk and size
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.write_u32_l(16));                         // Subchunk size
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(self.write_u16_l(FORMAT_UNCOMPRESSED_PCM));    // PCM Format
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.write_u16_l(num_channels));               // Number of channels
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.write_u32_l(sample_rate));                // Sample rate
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         try!(self.write_u32_l(byte_rate));                  // Byte rate
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(self.write_u16_l(block_align));                // Block align
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(self.write_u16_l(bits_per_sample));            // Bits per sample
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(self.write_all(b"data"));                      // Start of "data" subchunk
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         try!(self.write_u32_l(0));                          // Size of data subchunk.
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         try!(writer.write_standard_wave_header(&pcm_format));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         try!(self.do_overflow_check_for_next_sample());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(write_data(&mut self.writer, sample));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         try!(self.writer.seek(SeekFrom::Start(4)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:257:9
[INFO] [stderr]     |
[INFO] [stderr] 257 |         try!(self.writer.write_u32_l(riff_chunk_size));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:260:9
[INFO] [stderr]     |
[INFO] [stderr] 260 |         try!(self.writer.seek(SeekFrom::Start(40)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |         try!(self.writer.write_u32_l(data_chunk_size));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:264:9
[INFO] [stderr]     |
[INFO] [stderr] 264 |         try!(self.writer.seek(SeekFrom::End(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reader.rs:100:32
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writer.rs:55:32
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/reader.rs:96:43
[INFO] [stderr]    |
[INFO] [stderr] 96 |             ReadError::Io(ref err) => err.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/writer.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |             WriteError::Io(ref err) => err.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/reader.rs:96:43
[INFO] [stderr]    |
[INFO] [stderr] 96 |             ReadError::Io(ref err) => err.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 62 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/writer.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |             WriteError::Io(ref err) => err.description(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/playback.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let file = try!(File::open(path));
[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]   --> examples/playback.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let file = try!(File::create(path));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> examples/playback.rs:23:37
[INFO] [stderr]    |
[INFO] [stderr] 23 | use std::io::{BufReader, BufWriter, Read, Seek, Write};
[INFO] [stderr]    |                                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WaveReader`
[INFO] [stderr]   --> examples/playback.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 | use riff_wave::{WaveReader, WaveWriter};
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/readme-example.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let file = try!(File::create("examples/hello.wav"));
[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]   --> examples/readme-example.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut wave_writer = try!(WaveWriter::new(1, 44100, 16, writer));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/readme-example.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(wave_writer.write_sample_i16(n));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/readme-example.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let file = try!(File::open("examples/hello.wav"));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/readme-example.rs:29:24
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut wave_reader = try!(WaveReader::new(reader));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/readme-example.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(wave_reader.read_sample_i16());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_temporary_file_path`
[INFO] [stderr]   --> examples/playback.rs:80:4
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn get_temporary_file_path(name: &str) -> PathBuf {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_buffered_reader_for_path`
[INFO] [stderr]   --> examples/playback.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn get_buffered_reader_for_path(path: &Path) -> io::Result<BufReader<File>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_buffered_writer_for_path`
[INFO] [stderr]   --> examples/playback.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn get_buffered_writer_for_path(path: &Path) -> io::Result<BufWriter<File>> {    
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_test_sine_wave`
[INFO] [stderr]   --> examples/playback.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn write_test_sine_wave<T>(writer: T, hz: u32, scale: DecibelRatio<f32>) where T: Write + Seek {    
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sine_wave`
[INFO] [stderr]    --> examples/playback.rs:108:4
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn sine_wave(n: u32, hz: u32, scale: DecibelRatio<f32>, sample_rate: u32) -> f32 {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 62 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "3a19a98078f8515ab6ea6ea6b0ad318a14439c5f02d5d3c5d2fff10ea10891bd"`
[INFO] running `"docker" "rm" "-f" "3a19a98078f8515ab6ea6ea6b0ad318a14439c5f02d5d3c5d2fff10ea10891bd"`
[INFO] [stdout] 3a19a98078f8515ab6ea6ea6b0ad318a14439c5f02d5d3c5d2fff10ea10891bd