[INFO] cloning repository https://github.com/ruuda/hound
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruuda/hound" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fhound", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fhound'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc5bd31e413b59e75cb8f76bc95172b1966ef823
[INFO] testing ruuda/hound against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fhound" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ruuda/hound
[INFO] finished tweaking git repo https://github.com/ruuda/hound
[INFO] tweaked toml for git repo https://github.com/ruuda/hound written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ruuda/hound on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ruuda/hound already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded ole32-sys v0.2.0
[INFO] [stderr]   Downloaded cpal v0.2.12
[INFO] [stderr]   Downloaded alsa-sys v0.1.1
[INFO] [stderr]   Downloaded pkg-config v0.3.9
[INFO] [stderr]   Downloaded coreaudio-rs v0.5.0
[INFO] [stderr]   Downloaded libc v0.2.23
[INFO] [stderr]   Downloaded coreaudio-sys v0.1.2
[INFO] [stderr]   Downloaded lazy_static v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cd6a9dca4443de770d49880f1a44e8a388289cd94ae0b1e8aa8a2182b068b67
[INFO] running `Command { std: "docker" "start" "-a" "2cd6a9dca4443de770d49880f1a44e8a388289cd94ae0b1e8aa8a2182b068b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cd6a9dca4443de770d49880f1a44e8a388289cd94ae0b1e8aa8a2182b068b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd6a9dca4443de770d49880f1a44e8a388289cd94ae0b1e8aa8a2182b068b67", kill_on_drop: false }`
[INFO] [stdout] 2cd6a9dca4443de770d49880f1a44e8a388289cd94ae0b1e8aa8a2182b068b67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e9401a1580a25c981fd497adc27a581e6918b5300399be17695c0c8d87cedc6
[INFO] running `Command { std: "docker" "start" "-a" "2e9401a1580a25c981fd497adc27a581e6918b5300399be17695c0c8d87cedc6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling hound v3.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let progress = try!(self.read(&mut buf[n..]));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:101:28
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let progress = try!(self.read(&mut buf[0..end]));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         try!(self.read_into(&mut buf[..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:272:20
[INFO] [stdout]     |
[INFO] [stdout] 272 |     if b"RIFF" != &try!(reader.read_4_bytes())[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:276:20
[INFO] [stdout]     |
[INFO] [stdout] 276 |     let file_len = try!(reader.read_le_u32());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:279:20
[INFO] [stdout]     |
[INFO] [stdout] 279 |     if b"WAVE" != &try!(reader.read_4_bytes())[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let header = try!(WavReader::read_chunk_header(&mut reader));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:300:28
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 let spec = try!(WavReader::read_fmt_chunk(&mut reader, header.len));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 try!(reader.skip_bytes(header.len as usize));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         try!(reader.read_into(&mut kind_str));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let len = try!(reader.read_le_u32());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:401:26
[INFO] [stdout]     |
[INFO] [stdout] 401 |         let format_tag = try!(reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:402:26
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let n_channels = try!(reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:403:33
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let n_samples_per_sec = try!(reader.read_le_u32());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:404:31
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let n_bytes_per_sec = try!(reader.read_le_u32());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:405:27
[INFO] [stdout]     |
[INFO] [stdout] 405 |         let block_align = try!(reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:406:31
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let bits_per_sample = try!(reader.read_le_u16());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:452:20
[INFO] [stdout]     |
[INFO] [stdout] 452 |             PCM => try!(WavReader::read_wave_format_pcm(reader, chunk_len, &spec)),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:454:27
[INFO] [stdout]     |
[INFO] [stdout] 454 |             IEEE_FLOAT => try!(WavReader::read_wave_format_ieee_float(reader, chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:455:27
[INFO] [stdout]     |
[INFO] [stdout] 455 |             EXTENSIBLE => try!(WavReader::read_wave_format_extensible(reader, chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:482:28
[INFO] [stdout]     |
[INFO] [stdout] 482 |             let _cb_size = try!(reader.read_le_u16());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:500:13
[INFO] [stdout]     |
[INFO] [stdout] 500 |             try!(reader.skip_bytes(22));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:517:27
[INFO] [stdout]     |
[INFO] [stdout] 517 |             let cb_size = try!(reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:571:9
[INFO] [stdout]     |
[INFO] [stdout] 571 |         try!(reader.read_into(&mut subformat));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:546:23
[INFO] [stdout]     |
[INFO] [stdout] 546 |         let cb_size = try!(reader.read_le_u16());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:568:37
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let valid_bits_per_sample = try!(reader.read_le_u16());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:569:29
[INFO] [stdout]     |
[INFO] [stdout] 569 |         let _channel_mask = try!(reader.read_le_u32()); // Not used for now.
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |         try!(read_wave_header(&mut reader));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:598:35
[INFO] [stdout]     |
[INFO] [stdout] 598 |         let (spec_ex, data_len) = try!(read_until_data(&mut reader));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:709:9
[INFO] [stdout]     |
[INFO] [stdout] 709 |         try!(self.reader.seek(io::SeekFrom::Current(offset_bytes)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:721:20
[INFO] [stdout]     |
[INFO] [stdout] 721 |         let file = try!(fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |         try!(writer.write_headers(fmt_kind));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |             try!(buffer.write_all("RIFF".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |             try!(buffer.write_le_u32(0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |             try!(buffer.write_all("WAVE".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |             try!(buffer.write_all("fmt ".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 |             try!(buffer.write_all("data".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:304:13
[INFO] [stdout]     |
[INFO] [stdout] 304 |             try!(buffer.write_le_u32(0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:293:21
[INFO] [stdout]     |
[INFO] [stdout] 293 |                     try!(self.write_pcmwaveformat(&mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     try!(self.write_waveformatextensible(&mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         try!(buffer.write_le_u16(spec.channels));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |         try!(buffer.write_le_u32(spec.sample_rate));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         try!(buffer.write_le_u32(bytes_per_sec));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         try!(buffer.write_le_u16((bytes_per_sec / spec.sample_rate) as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |         try!(buffer.write_le_u32(16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         try!(self.write_waveformat(buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(buffer.write_le_u16(self.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:350:17
[INFO] [stdout]     |
[INFO] [stdout] 350 |                 try!(buffer.write_le_u16(1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:355:21
[INFO] [stdout]     |
[INFO] [stdout] 355 |                     try!(buffer.write_le_u16(3));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |         try!(buffer.write_le_u32(40));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         try!(buffer.write_le_u16(0xfffe));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |         try!(self.write_waveformat(buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:393:9
[INFO] [stdout]     |
[INFO] [stdout] 393 |         try!(buffer.write_le_u16(self.bytes_per_sample as u16 * 8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         try!(buffer.write_le_u16(22));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 397 |         try!(buffer.write_le_u16(self.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         try!(buffer.write_le_u32(channel_mask(self.spec.channels)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 418 |         try!(buffer.write_all(&subformat_guid));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:430:9
[INFO] [stdout]     |
[INFO] [stdout] 430 |         try!(sample.write_padded(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         try!(self.writer.seek(io::SeekFrom::Start(4)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         try!(self.writer.write_le_u32(file_size));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         try!(self.writer.seek(io::SeekFrom::Start(self.data_len_offset as u64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(self.writer.write_le_u32(self.data_bytes_written));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:529:9
[INFO] [stdout]     |
[INFO] [stdout] 529 |         try!(self.update_header());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:530:9
[INFO] [stdout]     |
[INFO] [stdout] 530 |         try!(self.writer.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 |         try!(self.writer.seek(io::SeekFrom::Start(current_pos)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:528:27
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let current_pos = try!(self.writer.seek(io::SeekFrom::Current(0)));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         try!(self.update_header());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:547:9
[INFO] [stdout]     |
[INFO] [stdout] 547 |         try!(self.writer.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |         try!(read::read_wave_header(&mut reader));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:598:9
[INFO] [stdout]     |
[INFO] [stdout] 598 |         try!(read::read_until_data(&mut reader))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:603:27
[INFO] [stdout]     |
[INFO] [stdout] 603 |     let data_len_offset = try!(reader.seek(io::SeekFrom::Current(0))) as u32 - 4;
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:648:20
[INFO] [stdout]     |
[INFO] [stdout] 648 |         let file = try!(fs::File::create(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         try!(file.seek(io::SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:672:9
[INFO] [stdout]     |
[INFO] [stdout] 672 |         try!(file.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:662:24
[INFO] [stdout]     |
[INFO] [stdout] 662 |         let mut file = try!(fs::OpenOptions::new().read(true).write(true).open(filename));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:667:52
[INFO] [stdout]     |
[INFO] [stdout] 667 |         let (spec_ex, data_len, data_len_offset) = try!(read_append(&mut buf_reader));
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:704:9
[INFO] [stdout]     |
[INFO] [stdout] 704 |         try!(writer.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:703:52
[INFO] [stdout]     |
[INFO] [stdout] 703 |         let (spec_ex, data_len, data_len_offset) = try!(read_append(&mut writer));
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:813:9
[INFO] [stdout]     |
[INFO] [stdout] 813 |         try!(self.writer.write_all(slice));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn read<R: io::Read>(reader: &mut R, SampleFormat, bytes: u16, bits: u16) -> Result<Self>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: SampleFormat`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:187:26
[INFO] [stdout]     |
[INFO] [stdout] 187 |             (8, 1) => Ok(try!(writer.write_u8(u8_from_signed(self)))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:188:27
[INFO] [stdout]     |
[INFO] [stdout] 188 |             (16, 2) => Ok(try!(writer.write_le_i16(self as i16))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:27
[INFO] [stdout]     |
[INFO] [stdout] 190 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:27
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:26
[INFO] [stdout]     |
[INFO] [stdout] 206 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:221:26
[INFO] [stdout]     |
[INFO] [stdout] 221 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:222:48
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self as i32))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:224:27
[INFO] [stdout]     |
[INFO] [stdout] 224 |             (16, 2) => Ok(try!(writer.write_le_i16(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:225:27
[INFO] [stdout]     |
[INFO] [stdout] 225 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:226:27
[INFO] [stdout]     |
[INFO] [stdout] 226 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:227:27
[INFO] [stdout]     |
[INFO] [stdout] 227 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:242:26
[INFO] [stdout]     |
[INFO] [stdout] 242 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as i16))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |             (2, 16) => Ok(try!(reader.read_le_i16())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:26
[INFO] [stdout]     |
[INFO] [stdout] 258 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:259:48
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:27
[INFO] [stdout]     |
[INFO] [stdout] 261 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:52
[INFO] [stdout]     |
[INFO] [stdout] 261 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:262:27
[INFO] [stdout]     |
[INFO] [stdout] 262 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:262:52
[INFO] [stdout]     |
[INFO] [stdout] 262 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:263:27
[INFO] [stdout]     |
[INFO] [stdout] 263 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:263:54
[INFO] [stdout]     |
[INFO] [stdout] 263 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:27
[INFO] [stdout]     |
[INFO] [stdout] 264 |             (32, 4) => Ok(try!(writer.write_le_i32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:279:26
[INFO] [stdout]     |
[INFO] [stdout] 279 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as i32))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:280:27
[INFO] [stdout]     |
[INFO] [stdout] 280 |             (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:281:27
[INFO] [stdout]     |
[INFO] [stdout] 281 |             (3, 24) => Ok(try!(reader.read_le_i24())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:282:27
[INFO] [stdout]     |
[INFO] [stdout] 282 |             (4, 24) => Ok(try!(reader.read_le_i24_4())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:283:27
[INFO] [stdout]     |
[INFO] [stdout] 283 |             (4, 32) => Ok(try!(reader.read_le_i32())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:27
[INFO] [stdout]     |
[INFO] [stdout] 298 |             (32, 4) => Ok(try!(writer.write_le_f32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:312:27
[INFO] [stdout]     |
[INFO] [stdout] 312 |             (4, 32) => Ok(try!(reader.read_le_f32())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:399:17
[INFO] [stdout]     |
[INFO] [stdout] 399 |                 try!(formatter.write_str("Ill-formed WAVE file: "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:431:32
[INFO] [stdout]     |
[INFO] [stdout] 431 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 431 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:422:44
[INFO] [stdout]     |
[INFO] [stdout] 422 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_i8` is never used
[INFO] [stdout]   --> src/read.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait ReadExt: io::Read {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn read_i8(&mut self) -> io::Result<i8>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/write.rs:118:26
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let u = unsafe { mem::transmute::<f32, u32>(x) };
[INFO] [stdout]     |                          --------------------------^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: replace this with: `f32::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "2e9401a1580a25c981fd497adc27a581e6918b5300399be17695c0c8d87cedc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9401a1580a25c981fd497adc27a581e6918b5300399be17695c0c8d87cedc6", kill_on_drop: false }`
[INFO] [stdout] 2e9401a1580a25c981fd497adc27a581e6918b5300399be17695c0c8d87cedc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86b3ac467781d78097cbfec8f94b0eba3a8816f00356dcb8e3450ab6cbdafd99
[INFO] running `Command { std: "docker" "start" "-a" "86b3ac467781d78097cbfec8f94b0eba3a8816f00356dcb8e3450ab6cbdafd99", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling lazy_static v0.2.0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let progress = try!(self.read(&mut buf[n..]));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:101:28
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let progress = try!(self.read(&mut buf[0..end]));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         try!(self.read_into(&mut buf[..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:272:20
[INFO] [stdout]     |
[INFO] [stdout] 272 |     if b"RIFF" != &try!(reader.read_4_bytes())[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:276:20
[INFO] [stdout]     |
[INFO] [stdout] 276 |     let file_len = try!(reader.read_le_u32());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:279:20
[INFO] [stdout]     |
[INFO] [stdout] 279 |     if b"WAVE" != &try!(reader.read_4_bytes())[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let header = try!(WavReader::read_chunk_header(&mut reader));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:300:28
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 let spec = try!(WavReader::read_fmt_chunk(&mut reader, header.len));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 try!(reader.skip_bytes(header.len as usize));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         try!(reader.read_into(&mut kind_str));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let len = try!(reader.read_le_u32());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:401:26
[INFO] [stdout]     |
[INFO] [stdout] 401 |         let format_tag = try!(reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:402:26
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let n_channels = try!(reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:403:33
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let n_samples_per_sec = try!(reader.read_le_u32());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:404:31
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let n_bytes_per_sec = try!(reader.read_le_u32());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:405:27
[INFO] [stdout]     |
[INFO] [stdout] 405 |         let block_align = try!(reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:406:31
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let bits_per_sample = try!(reader.read_le_u16());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:452:20
[INFO] [stdout]     |
[INFO] [stdout] 452 |             PCM => try!(WavReader::read_wave_format_pcm(reader, chunk_len, &spec)),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:454:27
[INFO] [stdout]     |
[INFO] [stdout] 454 |             IEEE_FLOAT => try!(WavReader::read_wave_format_ieee_float(reader, chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:455:27
[INFO] [stdout]     |
[INFO] [stdout] 455 |             EXTENSIBLE => try!(WavReader::read_wave_format_extensible(reader, chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:482:28
[INFO] [stdout]     |
[INFO] [stdout] 482 |             let _cb_size = try!(reader.read_le_u16());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:500:13
[INFO] [stdout]     |
[INFO] [stdout] 500 |             try!(reader.skip_bytes(22));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:517:27
[INFO] [stdout]     |
[INFO] [stdout] 517 |             let cb_size = try!(reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:571:9
[INFO] [stdout]     |
[INFO] [stdout] 571 |         try!(reader.read_into(&mut subformat));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:546:23
[INFO] [stdout]     |
[INFO] [stdout] 546 |         let cb_size = try!(reader.read_le_u16());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:568:37
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let valid_bits_per_sample = try!(reader.read_le_u16());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:569:29
[INFO] [stdout]     |
[INFO] [stdout] 569 |         let _channel_mask = try!(reader.read_le_u32()); // Not used for now.
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |         try!(read_wave_header(&mut reader));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:598:35
[INFO] [stdout]     |
[INFO] [stdout] 598 |         let (spec_ex, data_len) = try!(read_until_data(&mut reader));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:709:9
[INFO] [stdout]     |
[INFO] [stdout] 709 |         try!(self.reader.seek(io::SeekFrom::Current(offset_bytes)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:721:20
[INFO] [stdout]     |
[INFO] [stdout] 721 |         let file = try!(fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |         try!(writer.write_headers(fmt_kind));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |             try!(buffer.write_all("RIFF".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |             try!(buffer.write_le_u32(0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |             try!(buffer.write_all("WAVE".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |             try!(buffer.write_all("fmt ".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 |             try!(buffer.write_all("data".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:304:13
[INFO] [stdout]     |
[INFO] [stdout] 304 |             try!(buffer.write_le_u32(0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:293:21
[INFO] [stdout]     |
[INFO] [stdout] 293 |                     try!(self.write_pcmwaveformat(&mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     try!(self.write_waveformatextensible(&mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         try!(buffer.write_le_u16(spec.channels));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |         try!(buffer.write_le_u32(spec.sample_rate));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         try!(buffer.write_le_u32(bytes_per_sec));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         try!(buffer.write_le_u16((bytes_per_sec / spec.sample_rate) as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |         try!(buffer.write_le_u32(16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         try!(self.write_waveformat(buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(buffer.write_le_u16(self.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:350:17
[INFO] [stdout]     |
[INFO] [stdout] 350 |                 try!(buffer.write_le_u16(1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:355:21
[INFO] [stdout]     |
[INFO] [stdout] 355 |                     try!(buffer.write_le_u16(3));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |         try!(buffer.write_le_u32(40));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         try!(buffer.write_le_u16(0xfffe));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |         try!(self.write_waveformat(buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:393:9
[INFO] [stdout]     |
[INFO] [stdout] 393 |         try!(buffer.write_le_u16(self.bytes_per_sample as u16 * 8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         try!(buffer.write_le_u16(22));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 397 |         try!(buffer.write_le_u16(self.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         try!(buffer.write_le_u32(channel_mask(self.spec.channels)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 418 |         try!(buffer.write_all(&subformat_guid));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:430:9
[INFO] [stdout]     |
[INFO] [stdout] 430 |         try!(sample.write_padded(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         try!(self.writer.seek(io::SeekFrom::Start(4)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         try!(self.writer.write_le_u32(file_size));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         try!(self.writer.seek(io::SeekFrom::Start(self.data_len_offset as u64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(self.writer.write_le_u32(self.data_bytes_written));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:529:9
[INFO] [stdout]     |
[INFO] [stdout] 529 |         try!(self.update_header());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:530:9
[INFO] [stdout]     |
[INFO] [stdout] 530 |         try!(self.writer.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 |         try!(self.writer.seek(io::SeekFrom::Start(current_pos)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:528:27
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let current_pos = try!(self.writer.seek(io::SeekFrom::Current(0)));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         try!(self.update_header());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:547:9
[INFO] [stdout]     |
[INFO] [stdout] 547 |         try!(self.writer.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |         try!(read::read_wave_header(&mut reader));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:598:9
[INFO] [stdout]     |
[INFO] [stdout] 598 |         try!(read::read_until_data(&mut reader))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:603:27
[INFO] [stdout]     |
[INFO] [stdout] 603 |     let data_len_offset = try!(reader.seek(io::SeekFrom::Current(0))) as u32 - 4;
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:648:20
[INFO] [stdout]     |
[INFO] [stdout] 648 |         let file = try!(fs::File::create(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         try!(file.seek(io::SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:672:9
[INFO] [stdout]     |
[INFO] [stdout] 672 |         try!(file.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:662:24
[INFO] [stdout]     |
[INFO] [stdout] 662 |         let mut file = try!(fs::OpenOptions::new().read(true).write(true).open(filename));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:667:52
[INFO] [stdout]     |
[INFO] [stdout] 667 |         let (spec_ex, data_len, data_len_offset) = try!(read_append(&mut buf_reader));
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:704:9
[INFO] [stdout]     |
[INFO] [stdout] 704 |         try!(writer.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:703:52
[INFO] [stdout]     |
[INFO] [stdout] 703 |         let (spec_ex, data_len, data_len_offset) = try!(read_append(&mut writer));
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:813:9
[INFO] [stdout]     |
[INFO] [stdout] 813 |         try!(self.writer.write_all(slice));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn read<R: io::Read>(reader: &mut R, SampleFormat, bytes: u16, bits: u16) -> Result<Self>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: SampleFormat`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:187:26
[INFO] [stdout]     |
[INFO] [stdout] 187 |             (8, 1) => Ok(try!(writer.write_u8(u8_from_signed(self)))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:188:27
[INFO] [stdout]     |
[INFO] [stdout] 188 |             (16, 2) => Ok(try!(writer.write_le_i16(self as i16))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:27
[INFO] [stdout]     |
[INFO] [stdout] 190 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:27
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:26
[INFO] [stdout]     |
[INFO] [stdout] 206 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:221:26
[INFO] [stdout]     |
[INFO] [stdout] 221 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:222:48
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self as i32))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:224:27
[INFO] [stdout]     |
[INFO] [stdout] 224 |             (16, 2) => Ok(try!(writer.write_le_i16(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:225:27
[INFO] [stdout]     |
[INFO] [stdout] 225 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:226:27
[INFO] [stdout]     |
[INFO] [stdout] 226 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:227:27
[INFO] [stdout]     |
[INFO] [stdout] 227 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:242:26
[INFO] [stdout]     |
[INFO] [stdout] 242 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as i16))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |             (2, 16) => Ok(try!(reader.read_le_i16())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:26
[INFO] [stdout]     |
[INFO] [stdout] 258 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:259:48
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:27
[INFO] [stdout]     |
[INFO] [stdout] 261 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:52
[INFO] [stdout]     |
[INFO] [stdout] 261 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:262:27
[INFO] [stdout]     |
[INFO] [stdout] 262 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:262:52
[INFO] [stdout]     |
[INFO] [stdout] 262 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:263:27
[INFO] [stdout]     |
[INFO] [stdout] 263 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:263:54
[INFO] [stdout]     |
[INFO] [stdout] 263 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:27
[INFO] [stdout]     |
[INFO] [stdout] 264 |             (32, 4) => Ok(try!(writer.write_le_i32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:279:26
[INFO] [stdout]     |
[INFO] [stdout] 279 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as i32))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:280:27
[INFO] [stdout]     |
[INFO] [stdout] 280 |             (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:281:27
[INFO] [stdout]     |
[INFO] [stdout] 281 |             (3, 24) => Ok(try!(reader.read_le_i24())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:282:27
[INFO] [stdout]     |
[INFO] [stdout] 282 |             (4, 24) => Ok(try!(reader.read_le_i24_4())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:283:27
[INFO] [stdout]     |
[INFO] [stdout] 283 |             (4, 32) => Ok(try!(reader.read_le_i32())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:27
[INFO] [stdout]     |
[INFO] [stdout] 298 |             (32, 4) => Ok(try!(writer.write_le_f32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:312:27
[INFO] [stdout]     |
[INFO] [stdout] 312 |             (4, 32) => Ok(try!(reader.read_le_f32())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:399:17
[INFO] [stdout]     |
[INFO] [stdout] 399 |                 try!(formatter.write_str("Ill-formed WAVE file: "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:431:32
[INFO] [stdout]     |
[INFO] [stdout] 431 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 431 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:422:44
[INFO] [stdout]     |
[INFO] [stdout] 422 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_i8` is never used
[INFO] [stdout]   --> src/read.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait ReadExt: io::Read {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn read_i8(&mut self) -> io::Result<i8>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/write.rs:118:26
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let u = unsafe { mem::transmute::<f32, u32>(x) };
[INFO] [stdout]     |                          --------------------------^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: replace this with: `f32::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ole32-sys v0.2.0
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]    Compiling cpal v0.2.12
[INFO] [stderr]    Compiling hound v3.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let progress = try!(self.read(&mut buf[n..]));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:101:28
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let progress = try!(self.read(&mut buf[0..end]));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         try!(self.read_into(&mut buf[..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:272:20
[INFO] [stdout]     |
[INFO] [stdout] 272 |     if b"RIFF" != &try!(reader.read_4_bytes())[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:276:20
[INFO] [stdout]     |
[INFO] [stdout] 276 |     let file_len = try!(reader.read_le_u32());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:279:20
[INFO] [stdout]     |
[INFO] [stdout] 279 |     if b"WAVE" != &try!(reader.read_4_bytes())[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let header = try!(WavReader::read_chunk_header(&mut reader));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:300:28
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 let spec = try!(WavReader::read_fmt_chunk(&mut reader, header.len));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 try!(reader.skip_bytes(header.len as usize));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         try!(reader.read_into(&mut kind_str));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let len = try!(reader.read_le_u32());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:401:26
[INFO] [stdout]     |
[INFO] [stdout] 401 |         let format_tag = try!(reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:402:26
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let n_channels = try!(reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:403:33
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let n_samples_per_sec = try!(reader.read_le_u32());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:404:31
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let n_bytes_per_sec = try!(reader.read_le_u32());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:405:27
[INFO] [stdout]     |
[INFO] [stdout] 405 |         let block_align = try!(reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:406:31
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let bits_per_sample = try!(reader.read_le_u16());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:452:20
[INFO] [stdout]     |
[INFO] [stdout] 452 |             PCM => try!(WavReader::read_wave_format_pcm(reader, chunk_len, &spec)),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:454:27
[INFO] [stdout]     |
[INFO] [stdout] 454 |             IEEE_FLOAT => try!(WavReader::read_wave_format_ieee_float(reader, chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:455:27
[INFO] [stdout]     |
[INFO] [stdout] 455 |             EXTENSIBLE => try!(WavReader::read_wave_format_extensible(reader, chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:482:28
[INFO] [stdout]     |
[INFO] [stdout] 482 |             let _cb_size = try!(reader.read_le_u16());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:500:13
[INFO] [stdout]     |
[INFO] [stdout] 500 |             try!(reader.skip_bytes(22));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:517:27
[INFO] [stdout]     |
[INFO] [stdout] 517 |             let cb_size = try!(reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:571:9
[INFO] [stdout]     |
[INFO] [stdout] 571 |         try!(reader.read_into(&mut subformat));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:546:23
[INFO] [stdout]     |
[INFO] [stdout] 546 |         let cb_size = try!(reader.read_le_u16());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:568:37
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let valid_bits_per_sample = try!(reader.read_le_u16());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:569:29
[INFO] [stdout]     |
[INFO] [stdout] 569 |         let _channel_mask = try!(reader.read_le_u32()); // Not used for now.
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |         try!(read_wave_header(&mut reader));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:598:35
[INFO] [stdout]     |
[INFO] [stdout] 598 |         let (spec_ex, data_len) = try!(read_until_data(&mut reader));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:709:9
[INFO] [stdout]     |
[INFO] [stdout] 709 |         try!(self.reader.seek(io::SeekFrom::Current(offset_bytes)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:721:20
[INFO] [stdout]     |
[INFO] [stdout] 721 |         let file = try!(fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |         try!(writer.write_headers(fmt_kind));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |             try!(buffer.write_all("RIFF".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |             try!(buffer.write_le_u32(0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |             try!(buffer.write_all("WAVE".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |             try!(buffer.write_all("fmt ".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 |             try!(buffer.write_all("data".as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:304:13
[INFO] [stdout]     |
[INFO] [stdout] 304 |             try!(buffer.write_le_u32(0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:293:21
[INFO] [stdout]     |
[INFO] [stdout] 293 |                     try!(self.write_pcmwaveformat(&mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     try!(self.write_waveformatextensible(&mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         try!(buffer.write_le_u16(spec.channels));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |         try!(buffer.write_le_u32(spec.sample_rate));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         try!(buffer.write_le_u32(bytes_per_sec));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         try!(buffer.write_le_u16((bytes_per_sec / spec.sample_rate) as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |         try!(buffer.write_le_u32(16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         try!(self.write_waveformat(buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(buffer.write_le_u16(self.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:350:17
[INFO] [stdout]     |
[INFO] [stdout] 350 |                 try!(buffer.write_le_u16(1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:355:21
[INFO] [stdout]     |
[INFO] [stdout] 355 |                     try!(buffer.write_le_u16(3));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |         try!(buffer.write_le_u32(40));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         try!(buffer.write_le_u16(0xfffe));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |         try!(self.write_waveformat(buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:393:9
[INFO] [stdout]     |
[INFO] [stdout] 393 |         try!(buffer.write_le_u16(self.bytes_per_sample as u16 * 8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         try!(buffer.write_le_u16(22));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 397 |         try!(buffer.write_le_u16(self.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         try!(buffer.write_le_u32(channel_mask(self.spec.channels)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 418 |         try!(buffer.write_all(&subformat_guid));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:430:9
[INFO] [stdout]     |
[INFO] [stdout] 430 |         try!(sample.write_padded(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         try!(self.writer.seek(io::SeekFrom::Start(4)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         try!(self.writer.write_le_u32(file_size));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         try!(self.writer.seek(io::SeekFrom::Start(self.data_len_offset as u64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(self.writer.write_le_u32(self.data_bytes_written));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:529:9
[INFO] [stdout]     |
[INFO] [stdout] 529 |         try!(self.update_header());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:530:9
[INFO] [stdout]     |
[INFO] [stdout] 530 |         try!(self.writer.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 |         try!(self.writer.seek(io::SeekFrom::Start(current_pos)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:528:27
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let current_pos = try!(self.writer.seek(io::SeekFrom::Current(0)));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         try!(self.update_header());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:547:9
[INFO] [stdout]     |
[INFO] [stdout] 547 |         try!(self.writer.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |         try!(read::read_wave_header(&mut reader));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:598:9
[INFO] [stdout]     |
[INFO] [stdout] 598 |         try!(read::read_until_data(&mut reader))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:603:27
[INFO] [stdout]     |
[INFO] [stdout] 603 |     let data_len_offset = try!(reader.seek(io::SeekFrom::Current(0))) as u32 - 4;
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:648:20
[INFO] [stdout]     |
[INFO] [stdout] 648 |         let file = try!(fs::File::create(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         try!(file.seek(io::SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:672:9
[INFO] [stdout]     |
[INFO] [stdout] 672 |         try!(file.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:662:24
[INFO] [stdout]     |
[INFO] [stdout] 662 |         let mut file = try!(fs::OpenOptions::new().read(true).write(true).open(filename));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:667:52
[INFO] [stdout]     |
[INFO] [stdout] 667 |         let (spec_ex, data_len, data_len_offset) = try!(read_append(&mut buf_reader));
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:704:9
[INFO] [stdout]     |
[INFO] [stdout] 704 |         try!(writer.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:703:52
[INFO] [stdout]     |
[INFO] [stdout] 703 |         let (spec_ex, data_len, data_len_offset) = try!(read_append(&mut writer));
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:813:9
[INFO] [stdout]     |
[INFO] [stdout] 813 |         try!(self.writer.write_all(slice));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn read<R: io::Read>(reader: &mut R, SampleFormat, bytes: u16, bits: u16) -> Result<Self>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: SampleFormat`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:187:26
[INFO] [stdout]     |
[INFO] [stdout] 187 |             (8, 1) => Ok(try!(writer.write_u8(u8_from_signed(self)))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:188:27
[INFO] [stdout]     |
[INFO] [stdout] 188 |             (16, 2) => Ok(try!(writer.write_le_i16(self as i16))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:27
[INFO] [stdout]     |
[INFO] [stdout] 190 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:27
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:26
[INFO] [stdout]     |
[INFO] [stdout] 206 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:221:26
[INFO] [stdout]     |
[INFO] [stdout] 221 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:222:48
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self as i32))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:224:27
[INFO] [stdout]     |
[INFO] [stdout] 224 |             (16, 2) => Ok(try!(writer.write_le_i16(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:225:27
[INFO] [stdout]     |
[INFO] [stdout] 225 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:226:27
[INFO] [stdout]     |
[INFO] [stdout] 226 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:227:27
[INFO] [stdout]     |
[INFO] [stdout] 227 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:242:26
[INFO] [stdout]     |
[INFO] [stdout] 242 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as i16))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |             (2, 16) => Ok(try!(reader.read_le_i16())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:26
[INFO] [stdout]     |
[INFO] [stdout] 258 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:259:48
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:27
[INFO] [stdout]     |
[INFO] [stdout] 261 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:52
[INFO] [stdout]     |
[INFO] [stdout] 261 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:262:27
[INFO] [stdout]     |
[INFO] [stdout] 262 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:262:52
[INFO] [stdout]     |
[INFO] [stdout] 262 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:263:27
[INFO] [stdout]     |
[INFO] [stdout] 263 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:263:54
[INFO] [stdout]     |
[INFO] [stdout] 263 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:27
[INFO] [stdout]     |
[INFO] [stdout] 264 |             (32, 4) => Ok(try!(writer.write_le_i32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:279:26
[INFO] [stdout]     |
[INFO] [stdout] 279 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as i32))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:280:27
[INFO] [stdout]     |
[INFO] [stdout] 280 |             (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:281:27
[INFO] [stdout]     |
[INFO] [stdout] 281 |             (3, 24) => Ok(try!(reader.read_le_i24())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:282:27
[INFO] [stdout]     |
[INFO] [stdout] 282 |             (4, 24) => Ok(try!(reader.read_le_i24_4())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:283:27
[INFO] [stdout]     |
[INFO] [stdout] 283 |             (4, 32) => Ok(try!(reader.read_le_i32())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:27
[INFO] [stdout]     |
[INFO] [stdout] 298 |             (32, 4) => Ok(try!(writer.write_le_f32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:312:27
[INFO] [stdout]     |
[INFO] [stdout] 312 |             (4, 32) => Ok(try!(reader.read_le_f32())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:399:17
[INFO] [stdout]     |
[INFO] [stdout] 399 |                 try!(formatter.write_str("Ill-formed WAVE file: "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:431:32
[INFO] [stdout]     |
[INFO] [stdout] 431 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 431 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:422:44
[INFO] [stdout]     |
[INFO] [stdout] 422 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_i8` is never used
[INFO] [stdout]   --> src/read.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait ReadExt: io::Read {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn read_i8(&mut self) -> io::Result<i8>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/write.rs:118:26
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let u = unsafe { mem::transmute::<f32, u32>(x) };
[INFO] [stdout]     |                          --------------------------^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: replace this with: `f32::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "86b3ac467781d78097cbfec8f94b0eba3a8816f00356dcb8e3450ab6cbdafd99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b3ac467781d78097cbfec8f94b0eba3a8816f00356dcb8e3450ab6cbdafd99", kill_on_drop: false }`
[INFO] [stdout] 86b3ac467781d78097cbfec8f94b0eba3a8816f00356dcb8e3450ab6cbdafd99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6b87958174b5dfc7c9f4fbb40e65bece86154e5bafb84501558282a832ab8a9
[INFO] running `Command { std: "docker" "start" "-a" "d6b87958174b5dfc7c9f4fbb40e65bece86154e5bafb84501558282a832ab8a9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 41 tests
[INFO] [stderr]   --> src/read.rs:81:28
[INFO] [stdout] test read::fuzz_crashes_should_be_fixed ... ok
[INFO] [stderr]    |
[INFO] [stdout] test read::len_and_size_hint_are_correct ... ok
[INFO] [stderr] 81 |             let progress = try!(self.read(&mut buf[n..]));
[INFO] [stdout] test new_append_does_not_corrupt_files ... ok
[INFO] [stderr]    |                            ^^^
[INFO] [stdout] test read::read_wav_pcm_wave_format_8bit ... ok
[INFO] [stderr]    |
[INFO] [stdout] test read::read_wav_nonstandard_01 ... ok
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] test read::read_wav_skips_unknown_chunks ... ok
[INFO] [stderr] 
[INFO] [stdout] test read::read_wav_pcm_wave_format_pcm ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test read::read_wav_0_valid_bits_fallback ... ok
[INFO] [stderr]    --> src/read.rs:101:28
[INFO] [stdout] test read::read_wav_pcm_wave_format_24bit_4byte ... ok
[INFO] [stderr]     |
[INFO] [stdout] test read::read_wav_32bit ... ok
[INFO] [stderr] 101 |             let progress = try!(self.read(&mut buf[0..end]));
[INFO] [stdout] test new_append_should_append ... ok
[INFO] [stderr]     |                            ^^^
[INFO] [stdout] test read::read_wav_wave_format_extensible_ieee_float ... ok
[INFO] [stderr] 
[INFO] [stdout] test read::read_wav_wave_format_ex_pcm ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test read::read_wav_stereo ... ok
[INFO] [stderr]    --> src/read.rs:114:9
[INFO] [stdout] test read::seek_is_consistent ... ok
[INFO] [stderr]     |
[INFO] [stdout] test read::size_hint_is_exact ... ok
[INFO] [stderr] 114 |         try!(self.read_into(&mut buf[..]));
[INFO] [stdout] test read::sample_format_mismatch_should_signal_error ... ok
[INFO] [stderr]     |         ^^^
[INFO] [stdout] test read::read_wav_wave_format_extensible_pcm_24bit ... ok
[INFO] [stderr] 
[INFO] [stdout] test test_into_header_for_infinite_file ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test verify_narrow_to_i16 ... ok
[INFO] [stderr]    --> src/read.rs:126:9
[INFO] [stdout] test read::read_wav_wave_format_extensible_pcm_24bit_4byte ... ok
[INFO] [stderr]     |
[INFO] [stdout] test u8_sign_conversion_is_bijective ... ok
[INFO] [stderr] 126 |         try!(self.read_into(&mut buf));
[INFO] [stdout] test verify_narrow_to_i8 ... ok
[INFO] [stderr]     |         ^^^
[INFO] [stdout] test write::s24_wav_write ... ok
[INFO] [stderr] 
[INFO] [stdout] test verify_narrow_to_i24 ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test write::verify_channel_mask ... ok
[INFO] [stderr]    --> src/read.rs:138:9
[INFO] [stdout] test write::short_write_should_signal_error ... ok
[INFO] [stderr]     |
[INFO] [stdout] test write::wide_write_should_signal_error ... ok
[INFO] [stderr] 138 |         try!(self.read_into(&mut buf));
[INFO] [stdout] test write_read_i24_is_lossless ... ok
[INFO] [stderr]     |         ^^^
[INFO] [stdout] test write_read_f32_is_lossless ... ok
[INFO] [stderr] 
[INFO] [stdout] test write_read_i8_is_lossless ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test write_read_i16_via_sample_writer_is_lossless ... ok
[INFO] [stderr]    --> src/read.rs:171:9
[INFO] [stdout] test write_read_i16_is_lossless ... ok
[INFO] [stderr]     |
[INFO] [stderr] 171 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:272:20
[INFO] [stderr]     |
[INFO] [stderr] 272 |     if b"RIFF" != &try!(reader.read_4_bytes())[..] {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:276:20
[INFO] [stderr]     |
[INFO] [stderr] 276 |     let file_len = try!(reader.read_le_u32());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:279:20
[INFO] [stderr]     |
[INFO] [stderr] 279 |     if b"WAVE" != &try!(reader.read_4_bytes())[..] {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:297:22
[INFO] [stderr]     |
[INFO] [stderr] 297 |         let header = try!(WavReader::read_chunk_header(&mut reader));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:300:28
[INFO] [stderr]     |
[INFO] [stderr] 300 |                 let spec = try!(WavReader::read_fmt_chunk(&mut reader, header.len));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:327:17
[INFO] [stderr]     |
[INFO] [stderr] 327 |                 try!(reader.skip_bytes(header.len as usize));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:341:9
[INFO] [stderr]     |
[INFO] [stderr] 341 |         try!(reader.read_into(&mut kind_str));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:342:19
[INFO] [stderr]     |
[INFO] [stderr] 342 |         let len = try!(reader.read_le_u32());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:401:26
[INFO] [stderr]     |
[INFO] [stderr] 401 |         let format_tag = try!(reader.read_le_u16());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:402:26
[INFO] [stderr]     |
[INFO] [stderr] 402 |         let n_channels = try!(reader.read_le_u16());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:403:33
[INFO] [stderr]     |
[INFO] [stderr] 403 |         let n_samples_per_sec = try!(reader.read_le_u32());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:404:31
[INFO] [stderr]     |
[INFO] [stderr] 404 |         let n_bytes_per_sec = try!(reader.read_le_u32());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:405:27
[INFO] [stderr]     |
[INFO] [stderr] 405 |         let block_align = try!(reader.read_le_u16());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:406:31
[INFO] [stderr]     |
[INFO] [stderr] 406 |         let bits_per_sample = try!(reader.read_le_u16());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:452:20
[INFO] [stderr]     |
[INFO] [stderr] 452 |             PCM => try!(WavReader::read_wave_format_pcm(reader, chunk_len, &spec)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:454:27
[INFO] [stderr]     |
[INFO] [stderr] 454 |             IEEE_FLOAT => try!(WavReader::read_wave_format_ieee_float(reader, chunk_len, &mut spec)),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:455:27
[INFO] [stderr]     |
[INFO] [stderr] 455 |             EXTENSIBLE => try!(WavReader::read_wave_format_extensible(reader, chunk_len, &mut spec)),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:482:28
[INFO] [stderr]     |
[INFO] [stderr] 482 |             let _cb_size = try!(reader.read_le_u16());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:500:13
[INFO] [stderr]     |
[INFO] [stderr] 500 |             try!(reader.skip_bytes(22));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:517:27
[INFO] [stderr]     |
[INFO] [stderr] 517 |             let cb_size = try!(reader.read_le_u16());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:571:9
[INFO] [stderr]     |
[INFO] [stderr] 571 |         try!(reader.read_into(&mut subformat));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:546:23
[INFO] [stderr]     |
[INFO] [stderr] 546 |         let cb_size = try!(reader.read_le_u16());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:568:37
[INFO] [stderr]     |
[INFO] [stderr] 568 |         let valid_bits_per_sample = try!(reader.read_le_u16());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:569:29
[INFO] [stderr]     |
[INFO] [stderr] 569 |         let _channel_mask = try!(reader.read_le_u32()); // Not used for now.
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:597:9
[INFO] [stderr]     |
[INFO] [stderr] 597 |         try!(read_wave_header(&mut reader));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:598:35
[INFO] [stderr]     |
[INFO] [stderr] 598 |         let (spec_ex, data_len) = try!(read_until_data(&mut reader));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:709:9
[INFO] [stderr]     |
[INFO] [stderr] 709 |         try!(self.reader.seek(io::SeekFrom::Current(offset_bytes)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:721:20
[INFO] [stderr]     |
[INFO] [stderr] 721 |         let file = try!(fs::File::open(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         try!(writer.write_headers(fmt_kind));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:283:13
[INFO] [stderr]     |
[INFO] [stderr] 283 |             try!(buffer.write_all("RIFF".as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:286:13
[INFO] [stderr]     |
[INFO] [stderr] 286 |             try!(buffer.write_le_u32(0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:288:13
[INFO] [stderr]     |
[INFO] [stderr] 288 |             try!(buffer.write_all("WAVE".as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |             try!(buffer.write_all("fmt ".as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:303:13
[INFO] [stderr]     |
[INFO] [stderr] 303 |             try!(buffer.write_all("data".as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:304:13
[INFO] [stderr]     |
[INFO] [stderr] 304 |             try!(buffer.write_le_u32(0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:293:21
[INFO] [stderr]     |
[INFO] [stderr] 293 |                     try!(self.write_pcmwaveformat(&mut buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:296:21
[INFO] [stderr]     |
[INFO] [stderr] 296 |                     try!(self.write_waveformatextensible(&mut buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:320:9
[INFO] [stderr]     |
[INFO] [stderr] 320 |         try!(buffer.write_le_u16(spec.channels));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:323:9
[INFO] [stderr]     |
[INFO] [stderr] 323 |         try!(buffer.write_le_u32(spec.sample_rate));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:329:9
[INFO] [stderr]     |
[INFO] [stderr] 329 |         try!(buffer.write_le_u32(bytes_per_sec));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:332:9
[INFO] [stderr]     |
[INFO] [stderr] 332 |         try!(buffer.write_le_u16((bytes_per_sec / spec.sample_rate) as u16));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:340:9
[INFO] [stderr]     |
[INFO] [stderr] 340 |         try!(buffer.write_le_u32(16));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:364:9
[INFO] [stderr]     |
[INFO] [stderr] 364 |         try!(self.write_waveformat(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         try!(buffer.write_le_u16(self.spec.bits_per_sample));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:350:17
[INFO] [stderr]     |
[INFO] [stderr] 350 |                 try!(buffer.write_le_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:355:21
[INFO] [stderr]     |
[INFO] [stderr] 355 |                     try!(buffer.write_le_u16(3));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |         try!(buffer.write_le_u32(40));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:387:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |         try!(buffer.write_le_u16(0xfffe));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:389:9
[INFO] [stderr]     |
[INFO] [stderr] 389 |         try!(self.write_waveformat(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:393:9
[INFO] [stderr]     |
[INFO] [stderr] 393 |         try!(buffer.write_le_u16(self.bytes_per_sample as u16 * 8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:395:9
[INFO] [stderr]     |
[INFO] [stderr] 395 |         try!(buffer.write_le_u16(22));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |         try!(buffer.write_le_u16(self.spec.bits_per_sample));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |         try!(buffer.write_le_u32(channel_mask(self.spec.channels)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:418:9
[INFO] [stderr]     |
[INFO] [stderr] 418 |         try!(buffer.write_all(&subformat_guid));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:430:9
[INFO] [stderr]     |
[INFO] [stderr] 430 |         try!(sample.write_padded(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:494:9
[INFO] [stderr]     |
[INFO] [stderr] 494 |         try!(self.writer.seek(io::SeekFrom::Start(4)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:495:9
[INFO] [stderr]     |
[INFO] [stderr] 495 |         try!(self.writer.write_le_u32(file_size));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:496:9
[INFO] [stderr]     |
[INFO] [stderr] 496 |         try!(self.writer.seek(io::SeekFrom::Start(self.data_len_offset as u64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:497:9
[INFO] [stderr]     |
[INFO] [stderr] 497 |         try!(self.writer.write_le_u32(self.data_bytes_written));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:529:9
[INFO] [stderr]     |
[INFO] [stderr] 529 |         try!(self.update_header());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:530:9
[INFO] [stderr]     |
[INFO] [stderr] 530 |         try!(self.writer.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:531:9
[INFO] [stderr]     |
[INFO] [stderr] 531 |         try!(self.writer.seek(io::SeekFrom::Start(current_pos)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:528:27
[INFO] [stderr]     |
[INFO] [stderr] 528 |         let current_pos = try!(self.writer.seek(io::SeekFrom::Current(0)));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:542:9
[INFO] [stderr]     |
[INFO] [stderr] 542 |         try!(self.update_header());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:547:9
[INFO] [stderr]     |
[INFO] [stderr] 547 |         try!(self.writer.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:597:9
[INFO] [stderr]     |
[INFO] [stderr] 597 |         try!(read::read_wave_header(&mut reader));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:598:9
[INFO] [stderr]     |
[INFO] [stderr] 598 |         try!(read::read_until_data(&mut reader))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:603:27
[INFO] [stderr]     |
[INFO] [stderr] 603 |     let data_len_offset = try!(reader.seek(io::SeekFrom::Current(0))) as u32 - 4;
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:648:20
[INFO] [stderr]     |
[INFO] [stderr] 648 |         let file = try!(fs::File::create(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:663:9
[INFO] [stderr]     |
[INFO] [stderr] 663 |         try!(file.seek(io::SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:672:9
[INFO] [stderr]     |
[INFO] [stderr] 672 |         try!(file.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:662:24
[INFO] [stderr]     |
[INFO] [stderr] 662 |         let mut file = try!(fs::OpenOptions::new().read(true).write(true).open(filename));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:667:52
[INFO] [stderr]     |
[INFO] [stderr] 667 |         let (spec_ex, data_len, data_len_offset) = try!(read_append(&mut buf_reader));
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:704:9
[INFO] [stderr]     |
[INFO] [stderr] 704 |         try!(writer.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:703:52
[INFO] [stderr]     |
[INFO] [stderr] 703 |         let (spec_ex, data_len, data_len_offset) = try!(read_append(&mut writer));
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:813:9
[INFO] [stderr]     |
[INFO] [stderr] 813 |         try!(self.writer.write_all(slice));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/lib.rs:88:42
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn read<R: io::Read>(reader: &mut R, SampleFormat, bytes: u16, bits: u16) -> Result<Self>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: SampleFormat`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:187:26
[INFO] [stderr]     |
[INFO] [stderr] 187 |             (8, 1) => Ok(try!(writer.write_u8(u8_from_signed(self)))),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:188:27
[INFO] [stderr]     |
[INFO] [stderr] 188 |             (16, 2) => Ok(try!(writer.write_le_i16(self as i16))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:189:27
[INFO] [stderr]     |
[INFO] [stderr] 189 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:190:27
[INFO] [stderr]     |
[INFO] [stderr] 190 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:191:27
[INFO] [stderr]     |
[INFO] [stderr] 191 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:206:26
[INFO] [stderr]     |
[INFO] [stderr] 206 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8))),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:221:26
[INFO] [stderr]     |
[INFO] [stderr] 221 |             (8, 1) => Ok(try!(
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:222:48
[INFO] [stderr]     |
[INFO] [stderr] 222 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self as i32))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:224:27
[INFO] [stderr]     |
[INFO] [stderr] 224 |             (16, 2) => Ok(try!(writer.write_le_i16(self))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:225:27
[INFO] [stderr]     |
[INFO] [stderr] 225 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:226:27
[INFO] [stderr]     |
[INFO] [stderr] 226 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:227:27
[INFO] [stderr]     |
[INFO] [stderr] 227 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:242:26
[INFO] [stderr]     |
[INFO] [stderr] 242 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as i16))),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:243:27
[INFO] [stderr]     |
[INFO] [stderr] 243 |             (2, 16) => Ok(try!(reader.read_le_i16())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:258:26
[INFO] [stderr]     |
[INFO] [stderr] 258 |             (8, 1) => Ok(try!(
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:259:48
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:261:27
[INFO] [stderr]     |
[INFO] [stderr] 261 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:261:52
[INFO] [stderr]     |
[INFO] [stderr] 261 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:262:27
[INFO] [stderr]     |
[INFO] [stderr] 262 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:262:52
[INFO] [stderr]     |
[INFO] [stderr] 262 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:263:27
[INFO] [stderr]     |
[INFO] [stderr] 263 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:263:54
[INFO] [stderr]     |
[INFO] [stderr] 263 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:27
[INFO] [stderr]     |
[INFO] [stderr] 264 |             (32, 4) => Ok(try!(writer.write_le_i32(self))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:279:26
[INFO] [stderr]     |
[INFO] [stderr] 279 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as i32))),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:280:27
[INFO] [stderr]     |
[INFO] [stderr] 280 |             (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:281:27
[INFO] [stderr]     |
[INFO] [stderr] 281 |             (3, 24) => Ok(try!(reader.read_le_i24())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:282:27
[INFO] [stderr]     |
[INFO] [stderr] 282 |             (4, 24) => Ok(try!(reader.read_le_i24_4())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:283:27
[INFO] [stderr]     |
[INFO] [stderr] 283 |             (4, 32) => Ok(try!(reader.read_le_i32())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:298:27
[INFO] [stderr]     |
[INFO] [stderr] 298 |             (32, 4) => Ok(try!(writer.write_le_f32(self))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:312:27
[INFO] [stderr]     |
[INFO] [stderr] 312 |             (4, 32) => Ok(try!(reader.read_le_f32())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:399:17
[INFO] [stderr]     |
[INFO] [stderr] 399 |                 try!(formatter.write_str("Ill-formed WAVE file: "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:431:32
[INFO] [stderr]     |
[INFO] [stderr] 431 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 431 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] test flush_should_produce_valid_file ... ok
[INFO] [stderr]    --> src/lib.rs:422:44
[INFO] [stdout] test read::wide_read_should_signal_error ... ok
[INFO] [stderr]     |
[INFO] [stderr] 422 |             Error::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `read_i8` is never used
[INFO] [stderr]   --> src/read.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub trait ReadExt: io::Read {
[INFO] [stderr]    |           ------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 38 |     fn read_i8(&mut self) -> io::Result<i8>;
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]    --> src/write.rs:118:26
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let u = unsafe { mem::transmute::<f32, u32>(x) };
[INFO] [stderr]     |                          --------------------------^^^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          help: replace this with: `f32::to_bits`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hound` (lib) generated 120 warnings (run `cargo fix --lib -p hound` to apply 3 suggestions)
[INFO] [stderr] warning: `hound` (lib test) generated 120 warnings (120 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hound-308f0bd5e09631f8)
[INFO] [stdout] test read::read_wav_wave_format_ex_ieee_float ... ok
[INFO] [stdout] test read::read_wav_wave_format_ex_8bit ... ok
[INFO] [stdout] test read::samples_equals_into_samples ... ok
[INFO] [stdout] test no_32_bps_for_float_sample_format_panics - should panic ... ok
[INFO] [stdout] test append_works_on_files ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test read::duration_and_len_agree ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- append_works_on_files stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'append_works_on_files' (25) panicked at src/lib.rs:876:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6023629bd672 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6023629bd672 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6023629bd672 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6023629bd672 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6023629ce45f - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6023629ce45f - core::fmt::write::h24186904251c31cb
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x60236298a8c3 - std::io::default_write_fmt::h4e8d11c5c4b9cafe
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60236298a8c3 - std::io::Write::write_fmt::ha849be0824d095ef
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6023629967d2 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x60236299b54f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x60236299b3e1 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x60236295dfce - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h202f496763929329
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x60236295dfce - test::test_main_with_exit_callback::{{closure}}::h805a6913adddaea3
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x60236299bb5f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h2883c9d2dbd4e81c
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x60236299bb5f - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x60236299b9ba - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x602362996919 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x60236297eebd - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x6023629d5e80 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6023629d5556 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x6023629207c1 - core::result::Result<T,E>::unwrap::h2f3a8b7032785959
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x6023629207c1 - hound::append_works_on_files::h8ef2ffb856d8399c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:876:60
[INFO] [stdout]   22:     0x602362921477 - hound::append_works_on_files::{{closure}}::hfddb620456d65299
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:866:27
[INFO] [stdout]   23:     0x60236292a856 - core::ops::function::FnOnce::call_once::h76a16e9a27acde07
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60236295de3b - core::ops::function::FnOnce::call_once::h3a2d82edd1a9b770
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x60236295de3b - test::__rust_begin_short_backtrace::h85d4fe5033219107
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x602362971e2d - test::run_test_in_process::{{closure}}::h67b48a81b9c9d7b6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x602362971e2d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7680585480377cb5
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x602362971e2d - std::panicking::catch_unwind::do_call::hf71351b2657d4002
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x602362971e2d - std::panicking::catch_unwind::h7fcb5c0312d9e172
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x602362971e2d - std::panic::catch_unwind::h5cf3c9bdee894ebe
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x602362971e2d - test::run_test_in_process::h1469cb85193a3a25
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x602362971e2d - test::run_test::{{closure}}::h59d45b3cd6453d69
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x60236294b374 - test::run_test::{{closure}}::h9baa0c3d443f28c9
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x60236294b374 - std::sys::backtrace::__rust_begin_short_backtrace::h97ea8cee4828663e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x60236294ebca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h5d7539d5f78cee61
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x60236294ebca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he4c551e23c5e9b22
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x60236294ebca - std::panicking::catch_unwind::do_call::h522b41a6c157aaba
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x60236294ebca - std::panicking::catch_unwind::h0efbf72006b8e365
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x60236294ebca - std::panic::catch_unwind::h3b081041e6c97066
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x60236294ebca - std::thread::Builder::spawn_unchecked_::{{closure}}::ha751309815d5d8cf
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x60236294ebca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2084b887a5fe25a7
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x602362991d0f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3adbd6ccf5f737af
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x602362991d0f - std::sys::thread::unix::Thread::new::thread_start::hb3dc6483caa1b987
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x72572baceaa4 - <unknown>
[INFO] [stdout]   45:     0x72572bb5ba64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     append_works_on_files
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 40 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6b87958174b5dfc7c9f4fbb40e65bece86154e5bafb84501558282a832ab8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b87958174b5dfc7c9f4fbb40e65bece86154e5bafb84501558282a832ab8a9", kill_on_drop: false }`
[INFO] [stdout] d6b87958174b5dfc7c9f4fbb40e65bece86154e5bafb84501558282a832ab8a9
