[INFO] updating cached repository https://github.com/ruuda/hound
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa88d577f08370e915a5bb3af6b772de68c53e20
[INFO] testing ruuda/hound against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fhound" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruuda/hound on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/source/Cargo.toml
[INFO] crate git repo https://github.com/ruuda/hound already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8734056e2f2c9fd99051d967affd87692b6f8f815a5fd10af17e0d86c48a71f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8734056e2f2c9fd99051d967affd87692b6f8f815a5fd10af17e0d86c48a71f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8734056e2f2c9fd99051d967affd87692b6f8f815a5fd10af17e0d86c48a71f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8734056e2f2c9fd99051d967affd87692b6f8f815a5fd10af17e0d86c48a71f4", kill_on_drop: false }`
[INFO] [stdout] 8734056e2f2c9fd99051d967affd87692b6f8f815a5fd10af17e0d86c48a71f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca9c174cba0b94799aac9988f7aa3cd31b4552bdbd0eabb9b6e7bf207007c6ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca9c174cba0b94799aac9988f7aa3cd31b4552bdbd0eabb9b6e7bf207007c6ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling hound v3.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |             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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:102:28
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let progress = try!(self.read(&mut buf[0..end]));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         try!(self.read_into(&mut buf[..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let read = try!(reader.read(&mut buffer[0..max]));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         try!(read_wave_header(&mut reader));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             try!(data.chunk.skip_remaining(&mut self.reader))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:381:19
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let len = try!(self.reader.read_le_u32());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:384:31
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 let spec_ex = try!(self.read_fmt_chunk(len));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:430:33
[INFO] [stdout]     |
[INFO] [stdout] 430 |         while let Some(chunk) = try!(self.next()) {
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:485:26
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let format_tag = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:486:26
[INFO] [stdout]     |
[INFO] [stdout] 486 |         let n_channels = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:487:33
[INFO] [stdout]     |
[INFO] [stdout] 487 |         let n_samples_per_sec = try!(self.reader.read_le_u32());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:488:31
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let n_bytes_per_sec = try!(self.reader.read_le_u32());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:489:27
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let block_align = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:490:31
[INFO] [stdout]     |
[INFO] [stdout] 490 |         let bits_per_sample = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:536:20
[INFO] [stdout]     |
[INFO] [stdout] 536 |             PCM => try!(self.read_wave_format_pcm(chunk_len, &spec)),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:538:27
[INFO] [stdout]     |
[INFO] [stdout] 538 |             IEEE_FLOAT => try!(self.read_wave_format_ieee_float(chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:539:27
[INFO] [stdout]     |
[INFO] [stdout] 539 |             EXTENSIBLE => try!(self.read_wave_format_extensible(chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:566:28
[INFO] [stdout]     |
[INFO] [stdout] 566 |             let _cb_size = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:584:13
[INFO] [stdout]     |
[INFO] [stdout] 584 |             try!(self.reader.skip_bytes(22));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:601:27
[INFO] [stdout]     |
[INFO] [stdout] 601 |             let cb_size = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:630:23
[INFO] [stdout]     |
[INFO] [stdout] 630 |         let cb_size = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:652:37
[INFO] [stdout]     |
[INFO] [stdout] 652 |         let valid_bits_per_sample = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:653:29
[INFO] [stdout]     |
[INFO] [stdout] 653 |         let _channel_mask = try!(self.reader.read_le_u32()); // Not used for now.
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         try!(self.reader.read_into(&mut subformat));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:693:9
[INFO] [stdout]     |
[INFO] [stdout] 693 |         try!(data.chunk.seek(&mut self.reader, io::SeekFrom::Start(wanted_byte as u64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:766:20
[INFO] [stdout]     |
[INFO] [stdout] 766 |     if b"RIFF" != &try!(reader.read_bytes(4))[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:770:20
[INFO] [stdout]     |
[INFO] [stdout] 770 |     let file_len = try!(reader.read_le_u32());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:773:20
[INFO] [stdout]     |
[INFO] [stdout] 773 |     if b"WAVE" != &try!(reader.read_bytes(4))[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:790:26
[INFO] [stdout]     |
[INFO] [stdout] 790 |         let mut reader = try!(ChunksReader::new(reader));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:791:9
[INFO] [stdout]     |
[INFO] [stdout] 791 |         try!(reader.read_until_data());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:883:20
[INFO] [stdout]     |
[INFO] [stdout] 883 |         let file = try!(fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(state.update_header(writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:200:23
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let written = try!(writer.write(buf));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(writer.seek(io::SeekFrom::Current(-(self.len as i64 + 4))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         try!(writer.write_le_u32(self.len));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(writer.seek(io::SeekFrom::Current(self.len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         try!(self.update_header(writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             try!(writer.write_u8(0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         try!(writer.write_all(b"RIFF\0\0\0\0WAVE"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:255:24
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let full_len = try!(self.writer.seek(io::SeekFrom::Current(0)));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         try!(self.writer.seek(io::SeekFrom::Start(4)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         try!(self.writer.write_le_u32(full_len as u32 - 8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         try!(self.writer.seek(io::SeekFrom::Current(full_len as i64 - 8)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         try!(self.writer.seek(io::SeekFrom::End(-(data_state.len as i64 + 4))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(self.writer.write_le_u32(data_state.len));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         try!(self.writer.seek(io::SeekFrom::End(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |         try!(self.writer.write_all(&fourcc));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         try!(self.writer.write_le_u32(0));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         try!(self.writer.write_all(b"data"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         try!(self.writer.write_le_u32(0));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |             try!(self.update_data_chunk_header())
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             try!(self.update_riff_header());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |         try!(self.update_headers());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         try!(self.writer.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         try!(self.writer.write(b"fmt "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:390:21
[INFO] [stdout]     |
[INFO] [stdout] 390 |                     try!(Self::write_pcmwaveformat(spec_ex, &mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:393:21
[INFO] [stdout]     |
[INFO] [stdout] 393 |                     try!(Self::write_waveformatextensible(spec_ex, &mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:398:9
[INFO] [stdout]     |
[INFO] [stdout] 398 |         try!(self.writer.write_all(&header[..written as usize]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         try!(buffer.write_le_u32(16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:418:17
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 try!(buffer.write_le_u16(1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:423:21
[INFO] [stdout]     |
[INFO] [stdout] 423 |                     try!(buffer.write_le_u16(3));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         try!(Self::write_waveformat(spec, buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |         try!(buffer.write_le_u16(spec.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         try!(buffer.write_le_u32(40));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         try!(buffer.write_le_u16(0xfffe));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:457:9
[INFO] [stdout]     |
[INFO] [stdout] 457 |         try!(Self::write_waveformat(spec, buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         try!(buffer.write_le_u16(spec.bytes_per_sample as u16 * 8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         try!(buffer.write_le_u16(22));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:465:9
[INFO] [stdout]     |
[INFO] [stdout] 465 |         try!(buffer.write_le_u16(spec.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         try!(buffer.write_le_u32(channel_mask(spec.spec.channels)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         try!(buffer.write_all(&subformat_guid));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(buffer.write_le_u16(spec.spec.channels));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:500:9
[INFO] [stdout]     |
[INFO] [stdout] 500 |         try!(buffer.write_le_u32(spec.spec.sample_rate));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:506:9
[INFO] [stdout]     |
[INFO] [stdout] 506 |         try!(buffer.write_le_u32(bytes_per_sec));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:509:9
[INFO] [stdout]     |
[INFO] [stdout] 509 |         try!(buffer.write_le_u16((bytes_per_sec / spec.spec.sample_rate) as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |         try!(sample.write_padded(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:634:33
[INFO] [stdout]     |
[INFO] [stdout] 634 |         let mut chunks_writer = try!(ChunksWriter::new(writer));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:635:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |         try!(chunks_writer.write_fmt(spec));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 636 |         try!(chunks_writer.start_data_chunk());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:742:28
[INFO] [stdout]     |
[INFO] [stdout] 742 |     let mut chunk_reader = try!(read::ChunksReader::new(reader));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:743:5
[INFO] [stdout]     |
[INFO] [stdout] 743 |     try!(chunk_reader.read_until_data());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:744:19
[INFO] [stdout]     |
[INFO] [stdout] 744 |     let spec_ex = try!(chunk_reader.spec_ex.ok_or(Error::FormatError("DATA found before fmt")));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:746:22
[INFO] [stdout]     |
[INFO] [stdout] 746 |     let data_start = try!(chunk_reader.into_inner().seek(io::SeekFrom::Current(0)));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:790:20
[INFO] [stdout]     |
[INFO] [stdout] 790 |         let file = try!(fs::File::create(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:804:20
[INFO] [stdout]     |
[INFO] [stdout] 804 |         let file = try!(fs::OpenOptions::new().read(true).write(true).open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:808:47
[INFO] [stdout]     |
[INFO] [stdout] 808 |         let (spec_ex, data_len, data_start) = try!(read_append(&mut buf_reader));
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:814:24
[INFO] [stdout]     |
[INFO] [stdout] 814 |         let full_len = try!(file.seek(io::SeekFrom::End(0)));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:849:48
[INFO] [stdout]     |
[INFO] [stdout] 849 |         let (spec_ex, data_len, _data_start) = try!(read_append(&mut writer));
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:850:9
[INFO] [stdout]     |
[INFO] [stdout] 850 |         try!(writer.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:963:9
[INFO] [stdout]     |
[INFO] [stdout] 963 |         try!(self.writer.write_all(&self.buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:26
[INFO] [stdout]     |
[INFO] [stdout] 190 |             (8, 1) => Ok(try!(writer.write_u8(u8_from_signed(self)))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:27
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (16, 2) => Ok(try!(writer.write_le_i16(self as i16))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:27
[INFO] [stdout]     |
[INFO] [stdout] 194 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:209:26
[INFO] [stdout]     |
[INFO] [stdout] 209 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:224:26
[INFO] [stdout]     |
[INFO] [stdout] 224 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:225:48
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:227:27
[INFO] [stdout]     |
[INFO] [stdout] 227 |             (16, 2) => Ok(try!(writer.write_le_i16(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:229:27
[INFO] [stdout]     |
[INFO] [stdout] 229 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:230:27
[INFO] [stdout]     |
[INFO] [stdout] 230 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:245:26
[INFO] [stdout]     |
[INFO] [stdout] 245 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |             (2, 16) => Ok(try!(reader.read_le_i16())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:26
[INFO] [stdout]     |
[INFO] [stdout] 261 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:262:48
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:27
[INFO] [stdout]     |
[INFO] [stdout] 264 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:52
[INFO] [stdout]     |
[INFO] [stdout] 264 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:27
[INFO] [stdout]     |
[INFO] [stdout] 265 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:52
[INFO] [stdout]     |
[INFO] [stdout] 265 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:266:27
[INFO] [stdout]     |
[INFO] [stdout] 266 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:266:54
[INFO] [stdout]     |
[INFO] [stdout] 266 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:267:27
[INFO] [stdout]     |
[INFO] [stdout] 267 |             (32, 4) => Ok(try!(writer.write_le_i32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:283:27
[INFO] [stdout]     |
[INFO] [stdout] 283 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:284:27
[INFO] [stdout]     |
[INFO] [stdout] 284 |             (3, 24) => Ok(try!(reader.read_le_i24())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:285:27
[INFO] [stdout]     |
[INFO] [stdout] 285 |             (4, 24) => Ok(try!(reader.read_le_i24_4())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:286:27
[INFO] [stdout]     |
[INFO] [stdout] 286 |             (4, 32) => Ok(try!(reader.read_le_i32())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:301:27
[INFO] [stdout]     |
[INFO] [stdout] 301 |             (32, 4) => Ok(try!(writer.write_le_f32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:314:35
[INFO] [stdout]     |
[INFO] [stdout] 314 |                     (4, 32) => Ok(try!(reader.read_le_f32())),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:34
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as f32))),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:323:35
[INFO] [stdout]     |
[INFO] [stdout] 323 |                     (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as f32))),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:324:35
[INFO] [stdout]     |
[INFO] [stdout] 324 |                     (3, 24) => Ok(try!(reader.read_le_i24()) as f32),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:400:17
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 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:432:32
[INFO] [stdout]     |
[INFO] [stdout] 432 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:423:44
[INFO] [stdout]     |
[INFO] [stdout] 423 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 132 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "ca9c174cba0b94799aac9988f7aa3cd31b4552bdbd0eabb9b6e7bf207007c6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9c174cba0b94799aac9988f7aa3cd31b4552bdbd0eabb9b6e7bf207007c6ba", kill_on_drop: false }`
[INFO] [stdout] ca9c174cba0b94799aac9988f7aa3cd31b4552bdbd0eabb9b6e7bf207007c6ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cafbb33158a0fbce85d579af4c3601040daa76edb257f1aeebf58f7f1b8d1a1c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cafbb33158a0fbce85d579af4c3601040daa76edb257f1aeebf58f7f1b8d1a1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v0.2.0
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]    Compiling ole32-sys v0.2.0
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |             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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:102:28
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let progress = try!(self.read(&mut buf[0..end]));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         try!(self.read_into(&mut buf[..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let read = try!(reader.read(&mut buffer[0..max]));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         try!(read_wave_header(&mut reader));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             try!(data.chunk.skip_remaining(&mut self.reader))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:381:19
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let len = try!(self.reader.read_le_u32());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:384:31
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 let spec_ex = try!(self.read_fmt_chunk(len));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:430:33
[INFO] [stdout]     |
[INFO] [stdout] 430 |         while let Some(chunk) = try!(self.next()) {
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:485:26
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let format_tag = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:486:26
[INFO] [stdout]     |
[INFO] [stdout] 486 |         let n_channels = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:487:33
[INFO] [stdout]     |
[INFO] [stdout] 487 |         let n_samples_per_sec = try!(self.reader.read_le_u32());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:488:31
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let n_bytes_per_sec = try!(self.reader.read_le_u32());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:489:27
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let block_align = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:490:31
[INFO] [stdout]     |
[INFO] [stdout] 490 |         let bits_per_sample = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:536:20
[INFO] [stdout]     |
[INFO] [stdout] 536 |             PCM => try!(self.read_wave_format_pcm(chunk_len, &spec)),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:538:27
[INFO] [stdout]     |
[INFO] [stdout] 538 |             IEEE_FLOAT => try!(self.read_wave_format_ieee_float(chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:539:27
[INFO] [stdout]     |
[INFO] [stdout] 539 |             EXTENSIBLE => try!(self.read_wave_format_extensible(chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:566:28
[INFO] [stdout]     |
[INFO] [stdout] 566 |             let _cb_size = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:584:13
[INFO] [stdout]     |
[INFO] [stdout] 584 |             try!(self.reader.skip_bytes(22));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:601:27
[INFO] [stdout]     |
[INFO] [stdout] 601 |             let cb_size = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:630:23
[INFO] [stdout]     |
[INFO] [stdout] 630 |         let cb_size = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:652:37
[INFO] [stdout]     |
[INFO] [stdout] 652 |         let valid_bits_per_sample = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:653:29
[INFO] [stdout]     |
[INFO] [stdout] 653 |         let _channel_mask = try!(self.reader.read_le_u32()); // Not used for now.
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         try!(self.reader.read_into(&mut subformat));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:693:9
[INFO] [stdout]     |
[INFO] [stdout] 693 |         try!(data.chunk.seek(&mut self.reader, io::SeekFrom::Start(wanted_byte as u64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:766:20
[INFO] [stdout]     |
[INFO] [stdout] 766 |     if b"RIFF" != &try!(reader.read_bytes(4))[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:770:20
[INFO] [stdout]     |
[INFO] [stdout] 770 |     let file_len = try!(reader.read_le_u32());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:773:20
[INFO] [stdout]     |
[INFO] [stdout] 773 |     if b"WAVE" != &try!(reader.read_bytes(4))[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:790:26
[INFO] [stdout]     |
[INFO] [stdout] 790 |         let mut reader = try!(ChunksReader::new(reader));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:791:9
[INFO] [stdout]     |
[INFO] [stdout] 791 |         try!(reader.read_until_data());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:883:20
[INFO] [stdout]     |
[INFO] [stdout] 883 |         let file = try!(fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(state.update_header(writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:200:23
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let written = try!(writer.write(buf));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(writer.seek(io::SeekFrom::Current(-(self.len as i64 + 4))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         try!(writer.write_le_u32(self.len));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(writer.seek(io::SeekFrom::Current(self.len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         try!(self.update_header(writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             try!(writer.write_u8(0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         try!(writer.write_all(b"RIFF\0\0\0\0WAVE"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:255:24
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let full_len = try!(self.writer.seek(io::SeekFrom::Current(0)));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         try!(self.writer.seek(io::SeekFrom::Start(4)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         try!(self.writer.write_le_u32(full_len as u32 - 8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         try!(self.writer.seek(io::SeekFrom::Current(full_len as i64 - 8)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         try!(self.writer.seek(io::SeekFrom::End(-(data_state.len as i64 + 4))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(self.writer.write_le_u32(data_state.len));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         try!(self.writer.seek(io::SeekFrom::End(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |         try!(self.writer.write_all(&fourcc));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         try!(self.writer.write_le_u32(0));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         try!(self.writer.write_all(b"data"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         try!(self.writer.write_le_u32(0));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |             try!(self.update_data_chunk_header())
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             try!(self.update_riff_header());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |         try!(self.update_headers());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         try!(self.writer.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         try!(self.writer.write(b"fmt "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:390:21
[INFO] [stdout]     |
[INFO] [stdout] 390 |                     try!(Self::write_pcmwaveformat(spec_ex, &mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:393:21
[INFO] [stdout]     |
[INFO] [stdout] 393 |                     try!(Self::write_waveformatextensible(spec_ex, &mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:398:9
[INFO] [stdout]     |
[INFO] [stdout] 398 |         try!(self.writer.write_all(&header[..written as usize]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         try!(buffer.write_le_u32(16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:418:17
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 try!(buffer.write_le_u16(1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:423:21
[INFO] [stdout]     |
[INFO] [stdout] 423 |                     try!(buffer.write_le_u16(3));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         try!(Self::write_waveformat(spec, buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |         try!(buffer.write_le_u16(spec.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         try!(buffer.write_le_u32(40));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         try!(buffer.write_le_u16(0xfffe));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:457:9
[INFO] [stdout]     |
[INFO] [stdout] 457 |         try!(Self::write_waveformat(spec, buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         try!(buffer.write_le_u16(spec.bytes_per_sample as u16 * 8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         try!(buffer.write_le_u16(22));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:465:9
[INFO] [stdout]     |
[INFO] [stdout] 465 |         try!(buffer.write_le_u16(spec.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         try!(buffer.write_le_u32(channel_mask(spec.spec.channels)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         try!(buffer.write_all(&subformat_guid));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(buffer.write_le_u16(spec.spec.channels));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:500:9
[INFO] [stdout]     |
[INFO] [stdout] 500 |         try!(buffer.write_le_u32(spec.spec.sample_rate));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:506:9
[INFO] [stdout]     |
[INFO] [stdout] 506 |         try!(buffer.write_le_u32(bytes_per_sec));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:509:9
[INFO] [stdout]     |
[INFO] [stdout] 509 |         try!(buffer.write_le_u16((bytes_per_sec / spec.spec.sample_rate) as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |         try!(sample.write_padded(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:634:33
[INFO] [stdout]     |
[INFO] [stdout] 634 |         let mut chunks_writer = try!(ChunksWriter::new(writer));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:635:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |         try!(chunks_writer.write_fmt(spec));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 636 |         try!(chunks_writer.start_data_chunk());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:742:28
[INFO] [stdout]     |
[INFO] [stdout] 742 |     let mut chunk_reader = try!(read::ChunksReader::new(reader));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:743:5
[INFO] [stdout]     |
[INFO] [stdout] 743 |     try!(chunk_reader.read_until_data());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:744:19
[INFO] [stdout]     |
[INFO] [stdout] 744 |     let spec_ex = try!(chunk_reader.spec_ex.ok_or(Error::FormatError("DATA found before fmt")));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:746:22
[INFO] [stdout]     |
[INFO] [stdout] 746 |     let data_start = try!(chunk_reader.into_inner().seek(io::SeekFrom::Current(0)));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:790:20
[INFO] [stdout]     |
[INFO] [stdout] 790 |         let file = try!(fs::File::create(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:804:20
[INFO] [stdout]     |
[INFO] [stdout] 804 |         let file = try!(fs::OpenOptions::new().read(true).write(true).open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:808:47
[INFO] [stdout]     |
[INFO] [stdout] 808 |         let (spec_ex, data_len, data_start) = try!(read_append(&mut buf_reader));
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:814:24
[INFO] [stdout]     |
[INFO] [stdout] 814 |         let full_len = try!(file.seek(io::SeekFrom::End(0)));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:849:48
[INFO] [stdout]     |
[INFO] [stdout] 849 |         let (spec_ex, data_len, _data_start) = try!(read_append(&mut writer));
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:850:9
[INFO] [stdout]     |
[INFO] [stdout] 850 |         try!(writer.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:963:9
[INFO] [stdout]     |
[INFO] [stdout] 963 |         try!(self.writer.write_all(&self.buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:26
[INFO] [stdout]     |
[INFO] [stdout] 190 |             (8, 1) => Ok(try!(writer.write_u8(u8_from_signed(self)))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:27
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (16, 2) => Ok(try!(writer.write_le_i16(self as i16))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:27
[INFO] [stdout]     |
[INFO] [stdout] 194 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:209:26
[INFO] [stdout]     |
[INFO] [stdout] 209 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:224:26
[INFO] [stdout]     |
[INFO] [stdout] 224 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:225:48
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:227:27
[INFO] [stdout]     |
[INFO] [stdout] 227 |             (16, 2) => Ok(try!(writer.write_le_i16(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:229:27
[INFO] [stdout]     |
[INFO] [stdout] 229 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:230:27
[INFO] [stdout]     |
[INFO] [stdout] 230 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:245:26
[INFO] [stdout]     |
[INFO] [stdout] 245 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |             (2, 16) => Ok(try!(reader.read_le_i16())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:26
[INFO] [stdout]     |
[INFO] [stdout] 261 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:262:48
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:27
[INFO] [stdout]     |
[INFO] [stdout] 264 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:52
[INFO] [stdout]     |
[INFO] [stdout] 264 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:27
[INFO] [stdout]     |
[INFO] [stdout] 265 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:52
[INFO] [stdout]     |
[INFO] [stdout] 265 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:266:27
[INFO] [stdout]     |
[INFO] [stdout] 266 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:266:54
[INFO] [stdout]     |
[INFO] [stdout] 266 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:267:27
[INFO] [stdout]     |
[INFO] [stdout] 267 |             (32, 4) => Ok(try!(writer.write_le_i32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:283:27
[INFO] [stdout]     |
[INFO] [stdout] 283 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:284:27
[INFO] [stdout]     |
[INFO] [stdout] 284 |             (3, 24) => Ok(try!(reader.read_le_i24())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:285:27
[INFO] [stdout]     |
[INFO] [stdout] 285 |             (4, 24) => Ok(try!(reader.read_le_i24_4())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:286:27
[INFO] [stdout]     |
[INFO] [stdout] 286 |             (4, 32) => Ok(try!(reader.read_le_i32())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:301:27
[INFO] [stdout]     |
[INFO] [stdout] 301 |             (32, 4) => Ok(try!(writer.write_le_f32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:314:35
[INFO] [stdout]     |
[INFO] [stdout] 314 |                     (4, 32) => Ok(try!(reader.read_le_f32())),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:34
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as f32))),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:323:35
[INFO] [stdout]     |
[INFO] [stdout] 323 |                     (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as f32))),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:324:35
[INFO] [stdout]     |
[INFO] [stdout] 324 |                     (3, 24) => Ok(try!(reader.read_le_i24()) as f32),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:400:17
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 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:432:32
[INFO] [stdout]     |
[INFO] [stdout] 432 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:423:44
[INFO] [stdout]     |
[INFO] [stdout] 423 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 132 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cpal v0.2.12
[INFO] [stderr]    Compiling hound v3.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |             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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:102:28
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let progress = try!(self.read(&mut buf[0..end]));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         try!(self.read_into(&mut buf[..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         try!(self.read_into(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let read = try!(reader.read(&mut buffer[0..max]));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         try!(read_wave_header(&mut reader));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             try!(data.chunk.skip_remaining(&mut self.reader))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:381:19
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let len = try!(self.reader.read_le_u32());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:384:31
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 let spec_ex = try!(self.read_fmt_chunk(len));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:430:33
[INFO] [stdout]     |
[INFO] [stdout] 430 |         while let Some(chunk) = try!(self.next()) {
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:485:26
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let format_tag = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:486:26
[INFO] [stdout]     |
[INFO] [stdout] 486 |         let n_channels = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:487:33
[INFO] [stdout]     |
[INFO] [stdout] 487 |         let n_samples_per_sec = try!(self.reader.read_le_u32());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:488:31
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let n_bytes_per_sec = try!(self.reader.read_le_u32());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:489:27
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let block_align = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:490:31
[INFO] [stdout]     |
[INFO] [stdout] 490 |         let bits_per_sample = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:536:20
[INFO] [stdout]     |
[INFO] [stdout] 536 |             PCM => try!(self.read_wave_format_pcm(chunk_len, &spec)),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:538:27
[INFO] [stdout]     |
[INFO] [stdout] 538 |             IEEE_FLOAT => try!(self.read_wave_format_ieee_float(chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:539:27
[INFO] [stdout]     |
[INFO] [stdout] 539 |             EXTENSIBLE => try!(self.read_wave_format_extensible(chunk_len, &mut spec)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:566:28
[INFO] [stdout]     |
[INFO] [stdout] 566 |             let _cb_size = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:584:13
[INFO] [stdout]     |
[INFO] [stdout] 584 |             try!(self.reader.skip_bytes(22));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:601:27
[INFO] [stdout]     |
[INFO] [stdout] 601 |             let cb_size = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:630:23
[INFO] [stdout]     |
[INFO] [stdout] 630 |         let cb_size = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:652:37
[INFO] [stdout]     |
[INFO] [stdout] 652 |         let valid_bits_per_sample = try!(self.reader.read_le_u16());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:653:29
[INFO] [stdout]     |
[INFO] [stdout] 653 |         let _channel_mask = try!(self.reader.read_le_u32()); // Not used for now.
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         try!(self.reader.read_into(&mut subformat));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:693:9
[INFO] [stdout]     |
[INFO] [stdout] 693 |         try!(data.chunk.seek(&mut self.reader, io::SeekFrom::Start(wanted_byte as u64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:766:20
[INFO] [stdout]     |
[INFO] [stdout] 766 |     if b"RIFF" != &try!(reader.read_bytes(4))[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:770:20
[INFO] [stdout]     |
[INFO] [stdout] 770 |     let file_len = try!(reader.read_le_u32());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:773:20
[INFO] [stdout]     |
[INFO] [stdout] 773 |     if b"WAVE" != &try!(reader.read_bytes(4))[..] {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:790:26
[INFO] [stdout]     |
[INFO] [stdout] 790 |         let mut reader = try!(ChunksReader::new(reader));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:791:9
[INFO] [stdout]     |
[INFO] [stdout] 791 |         try!(reader.read_until_data());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:883:20
[INFO] [stdout]     |
[INFO] [stdout] 883 |         let file = try!(fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(state.update_header(writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:200:23
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let written = try!(writer.write(buf));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(writer.seek(io::SeekFrom::Current(-(self.len as i64 + 4))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         try!(writer.write_le_u32(self.len));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(writer.seek(io::SeekFrom::Current(self.len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         try!(self.update_header(writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             try!(writer.write_u8(0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         try!(writer.write_all(b"RIFF\0\0\0\0WAVE"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:255:24
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let full_len = try!(self.writer.seek(io::SeekFrom::Current(0)));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         try!(self.writer.seek(io::SeekFrom::Start(4)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         try!(self.writer.write_le_u32(full_len as u32 - 8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         try!(self.writer.seek(io::SeekFrom::Current(full_len as i64 - 8)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         try!(self.writer.seek(io::SeekFrom::End(-(data_state.len as i64 + 4))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(self.writer.write_le_u32(data_state.len));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         try!(self.writer.seek(io::SeekFrom::End(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |         try!(self.writer.write_all(&fourcc));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         try!(self.writer.write_le_u32(0));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         try!(self.writer.write_all(b"data"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         try!(self.writer.write_le_u32(0));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |             try!(self.update_data_chunk_header())
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             try!(self.update_riff_header());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |         try!(self.update_headers());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         try!(self.writer.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         try!(self.writer.write(b"fmt "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:390:21
[INFO] [stdout]     |
[INFO] [stdout] 390 |                     try!(Self::write_pcmwaveformat(spec_ex, &mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:393:21
[INFO] [stdout]     |
[INFO] [stdout] 393 |                     try!(Self::write_waveformatextensible(spec_ex, &mut buffer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:398:9
[INFO] [stdout]     |
[INFO] [stdout] 398 |         try!(self.writer.write_all(&header[..written as usize]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         try!(buffer.write_le_u32(16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:418:17
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 try!(buffer.write_le_u16(1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:423:21
[INFO] [stdout]     |
[INFO] [stdout] 423 |                     try!(buffer.write_le_u16(3));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         try!(Self::write_waveformat(spec, buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |         try!(buffer.write_le_u16(spec.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         try!(buffer.write_le_u32(40));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         try!(buffer.write_le_u16(0xfffe));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:457:9
[INFO] [stdout]     |
[INFO] [stdout] 457 |         try!(Self::write_waveformat(spec, buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         try!(buffer.write_le_u16(spec.bytes_per_sample as u16 * 8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         try!(buffer.write_le_u16(22));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:465:9
[INFO] [stdout]     |
[INFO] [stdout] 465 |         try!(buffer.write_le_u16(spec.spec.bits_per_sample));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         try!(buffer.write_le_u32(channel_mask(spec.spec.channels)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         try!(buffer.write_all(&subformat_guid));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(buffer.write_le_u16(spec.spec.channels));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:500:9
[INFO] [stdout]     |
[INFO] [stdout] 500 |         try!(buffer.write_le_u32(spec.spec.sample_rate));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:506:9
[INFO] [stdout]     |
[INFO] [stdout] 506 |         try!(buffer.write_le_u32(bytes_per_sec));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:509:9
[INFO] [stdout]     |
[INFO] [stdout] 509 |         try!(buffer.write_le_u16((bytes_per_sec / spec.spec.sample_rate) as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |         try!(sample.write_padded(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:634:33
[INFO] [stdout]     |
[INFO] [stdout] 634 |         let mut chunks_writer = try!(ChunksWriter::new(writer));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:635:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |         try!(chunks_writer.write_fmt(spec));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 636 |         try!(chunks_writer.start_data_chunk());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:742:28
[INFO] [stdout]     |
[INFO] [stdout] 742 |     let mut chunk_reader = try!(read::ChunksReader::new(reader));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:743:5
[INFO] [stdout]     |
[INFO] [stdout] 743 |     try!(chunk_reader.read_until_data());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:744:19
[INFO] [stdout]     |
[INFO] [stdout] 744 |     let spec_ex = try!(chunk_reader.spec_ex.ok_or(Error::FormatError("DATA found before fmt")));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:746:22
[INFO] [stdout]     |
[INFO] [stdout] 746 |     let data_start = try!(chunk_reader.into_inner().seek(io::SeekFrom::Current(0)));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:790:20
[INFO] [stdout]     |
[INFO] [stdout] 790 |         let file = try!(fs::File::create(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:804:20
[INFO] [stdout]     |
[INFO] [stdout] 804 |         let file = try!(fs::OpenOptions::new().read(true).write(true).open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:808:47
[INFO] [stdout]     |
[INFO] [stdout] 808 |         let (spec_ex, data_len, data_start) = try!(read_append(&mut buf_reader));
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:814:24
[INFO] [stdout]     |
[INFO] [stdout] 814 |         let full_len = try!(file.seek(io::SeekFrom::End(0)));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:849:48
[INFO] [stdout]     |
[INFO] [stdout] 849 |         let (spec_ex, data_len, _data_start) = try!(read_append(&mut writer));
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:850:9
[INFO] [stdout]     |
[INFO] [stdout] 850 |         try!(writer.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:963:9
[INFO] [stdout]     |
[INFO] [stdout] 963 |         try!(self.writer.write_all(&self.buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:26
[INFO] [stdout]     |
[INFO] [stdout] 190 |             (8, 1) => Ok(try!(writer.write_u8(u8_from_signed(self)))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:27
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (16, 2) => Ok(try!(writer.write_le_i16(self as i16))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:27
[INFO] [stdout]     |
[INFO] [stdout] 194 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:209:26
[INFO] [stdout]     |
[INFO] [stdout] 209 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:224:26
[INFO] [stdout]     |
[INFO] [stdout] 224 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:225:48
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:227:27
[INFO] [stdout]     |
[INFO] [stdout] 227 |             (16, 2) => Ok(try!(writer.write_le_i16(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:229:27
[INFO] [stdout]     |
[INFO] [stdout] 229 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:230:27
[INFO] [stdout]     |
[INFO] [stdout] 230 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:245:26
[INFO] [stdout]     |
[INFO] [stdout] 245 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |             (2, 16) => Ok(try!(reader.read_le_i16())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:26
[INFO] [stdout]     |
[INFO] [stdout] 261 |             (8, 1) => Ok(try!(
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:262:48
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:27
[INFO] [stdout]     |
[INFO] [stdout] 264 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:52
[INFO] [stdout]     |
[INFO] [stdout] 264 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:27
[INFO] [stdout]     |
[INFO] [stdout] 265 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:52
[INFO] [stdout]     |
[INFO] [stdout] 265 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:266:27
[INFO] [stdout]     |
[INFO] [stdout] 266 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:266:54
[INFO] [stdout]     |
[INFO] [stdout] 266 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:267:27
[INFO] [stdout]     |
[INFO] [stdout] 267 |             (32, 4) => Ok(try!(writer.write_le_i32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:283:27
[INFO] [stdout]     |
[INFO] [stdout] 283 |             (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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:284:27
[INFO] [stdout]     |
[INFO] [stdout] 284 |             (3, 24) => Ok(try!(reader.read_le_i24())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:285:27
[INFO] [stdout]     |
[INFO] [stdout] 285 |             (4, 24) => Ok(try!(reader.read_le_i24_4())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:286:27
[INFO] [stdout]     |
[INFO] [stdout] 286 |             (4, 32) => Ok(try!(reader.read_le_i32())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:301:27
[INFO] [stdout]     |
[INFO] [stdout] 301 |             (32, 4) => Ok(try!(writer.write_le_f32(self))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:314:35
[INFO] [stdout]     |
[INFO] [stdout] 314 |                     (4, 32) => Ok(try!(reader.read_le_f32())),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:34
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as f32))),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:323:35
[INFO] [stdout]     |
[INFO] [stdout] 323 |                     (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as f32))),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:324:35
[INFO] [stdout]     |
[INFO] [stdout] 324 |                     (3, 24) => Ok(try!(reader.read_le_i24()) as f32),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:400:17
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 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:432:32
[INFO] [stdout]     |
[INFO] [stdout] 432 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:423:44
[INFO] [stdout]     |
[INFO] [stdout] 423 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 132 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.26s
[INFO] running `Command { std: "docker" "inspect" "cafbb33158a0fbce85d579af4c3601040daa76edb257f1aeebf58f7f1b8d1a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafbb33158a0fbce85d579af4c3601040daa76edb257f1aeebf58f7f1b8d1a1c", kill_on_drop: false }`
[INFO] [stdout] cafbb33158a0fbce85d579af4c3601040daa76edb257f1aeebf58f7f1b8d1a1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e02486b4ea812100a149cb13e6772cbf1668e0902ca89ba54648408e0b3cbda
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e02486b4ea812100a149cb13e6772cbf1668e0902ca89ba54648408e0b3cbda", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:82:28
[INFO] [stderr]    |
[INFO] [stderr] 82 |             let progress = try!(self.read(&mut buf[n..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:102:28
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let progress = try!(self.read(&mut buf[0..end]));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(self.read_into(&mut buf[..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:211:20
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let read = try!(reader.read(&mut buffer[0..max]));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:314:9
[INFO] [stderr]     |
[INFO] [stderr] 314 |         try!(read_wave_header(&mut reader));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:373:13
[INFO] [stderr]     |
[INFO] [stderr] 373 |             try!(data.chunk.skip_remaining(&mut self.reader))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:381:19
[INFO] [stderr]     |
[INFO] [stderr] 381 |         let len = try!(self.reader.read_le_u32());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:384:31
[INFO] [stderr]     |
[INFO] [stderr] 384 |                 let spec_ex = try!(self.read_fmt_chunk(len));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:430:33
[INFO] [stderr]     |
[INFO] [stderr] 430 |         while let Some(chunk) = try!(self.next()) {
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:485:26
[INFO] [stderr]     |
[INFO] [stderr] 485 |         let format_tag = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:486:26
[INFO] [stderr]     |
[INFO] [stderr] 486 |         let n_channels = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:487:33
[INFO] [stderr]     |
[INFO] [stderr] 487 |         let n_samples_per_sec = try!(self.reader.read_le_u32());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:488:31
[INFO] [stderr]     |
[INFO] [stderr] 488 |         let n_bytes_per_sec = try!(self.reader.read_le_u32());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:489:27
[INFO] [stderr]     |
[INFO] [stderr] 489 |         let block_align = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:490:31
[INFO] [stderr]     |
[INFO] [stderr] 490 |         let bits_per_sample = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:536:20
[INFO] [stderr]     |
[INFO] [stderr] 536 |             PCM => try!(self.read_wave_format_pcm(chunk_len, &spec)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:538:27
[INFO] [stderr]     |
[INFO] [stderr] 538 |             IEEE_FLOAT => try!(self.read_wave_format_ieee_float(chunk_len, &mut spec)),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:539:27
[INFO] [stderr]     |
[INFO] [stderr] 539 |             EXTENSIBLE => try!(self.read_wave_format_extensible(chunk_len, &mut spec)),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:566:28
[INFO] [stderr]     |
[INFO] [stderr] 566 |             let _cb_size = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:584:13
[INFO] [stderr]     |
[INFO] [stderr] 584 |             try!(self.reader.skip_bytes(22));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:601:27
[INFO] [stderr]     |
[INFO] [stderr] 601 |             let cb_size = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:630:23
[INFO] [stderr]     |
[INFO] [stderr] 630 |         let cb_size = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:652:37
[INFO] [stderr]     |
[INFO] [stderr] 652 |         let valid_bits_per_sample = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:653:29
[INFO] [stderr]     |
[INFO] [stderr] 653 |         let _channel_mask = try!(self.reader.read_le_u32()); // Not used for now.
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:655:9
[INFO] [stderr]     |
[INFO] [stderr] 655 |         try!(self.reader.read_into(&mut subformat));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:693:9
[INFO] [stderr]     |
[INFO] [stderr] 693 |         try!(data.chunk.seek(&mut self.reader, io::SeekFrom::Start(wanted_byte as u64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:766:20
[INFO] [stderr]     |
[INFO] [stderr] 766 |     if b"RIFF" != &try!(reader.read_bytes(4))[..] {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:770:20
[INFO] [stderr]     |
[INFO] [stderr] 770 |     let file_len = try!(reader.read_le_u32());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:773:20
[INFO] [stderr]     |
[INFO] [stderr] 773 |     if b"WAVE" != &try!(reader.read_bytes(4))[..] {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:790:26
[INFO] [stderr]     |
[INFO] [stderr] 790 |         let mut reader = try!(ChunksReader::new(reader));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:791:9
[INFO] [stderr]     |
[INFO] [stderr] 791 |         try!(reader.read_until_data());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:883:20
[INFO] [stderr]     |
[INFO] [stderr] 883 |         let file = try!(fs::File::open(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(state.update_header(writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:200:23
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let written = try!(writer.write(buf));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         try!(writer.seek(io::SeekFrom::Current(-(self.len as i64 + 4))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         try!(writer.write_le_u32(self.len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(writer.seek(io::SeekFrom::Current(self.len as i64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |         try!(self.update_header(writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |             try!(writer.write_u8(0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |         try!(writer.write_all(b"RIFF\0\0\0\0WAVE"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:255:24
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let full_len = try!(self.writer.seek(io::SeekFrom::Current(0)));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         try!(self.writer.seek(io::SeekFrom::Start(4)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:257:9
[INFO] [stderr]     |
[INFO] [stderr] 257 |         try!(self.writer.write_le_u32(full_len as u32 - 8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 |         try!(self.writer.seek(io::SeekFrom::Current(full_len as i64 - 8)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:275:9
[INFO] [stderr]     |
[INFO] [stderr] 275 |         try!(self.writer.seek(io::SeekFrom::End(-(data_state.len as i64 + 4))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         try!(self.writer.write_le_u32(data_state.len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:277:9
[INFO] [stderr]     |
[INFO] [stderr] 277 |         try!(self.writer.seek(io::SeekFrom::End(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:298:9
[INFO] [stderr]     |
[INFO] [stderr] 298 |         try!(self.writer.write_all(&fourcc));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:299:9
[INFO] [stderr]     |
[INFO] [stderr] 299 |         try!(self.writer.write_le_u32(0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |         try!(self.writer.write_all(b"data"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         try!(self.writer.write_le_u32(0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:322:13
[INFO] [stderr]     |
[INFO] [stderr] 322 |             try!(self.update_data_chunk_header())
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:325:13
[INFO] [stderr]     |
[INFO] [stderr] 325 |             try!(self.update_riff_header());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:336:9
[INFO] [stderr]     |
[INFO] [stderr] 336 |         try!(self.update_headers());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:337:9
[INFO] [stderr]     |
[INFO] [stderr] 337 |         try!(self.writer.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:351:9
[INFO] [stderr]     |
[INFO] [stderr] 351 |         try!(self.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |         try!(self.writer.write(b"fmt "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:390:21
[INFO] [stderr]     |
[INFO] [stderr] 390 |                     try!(Self::write_pcmwaveformat(spec_ex, &mut buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:393:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |                     try!(Self::write_waveformatextensible(spec_ex, &mut buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:398:9
[INFO] [stderr]     |
[INFO] [stderr] 398 |         try!(self.writer.write_all(&header[..written as usize]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:408:9
[INFO] [stderr]     |
[INFO] [stderr] 408 |         try!(buffer.write_le_u32(16));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:418:17
[INFO] [stderr]     |
[INFO] [stderr] 418 |                 try!(buffer.write_le_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:423:21
[INFO] [stderr]     |
[INFO] [stderr] 423 |                     try!(buffer.write_le_u16(3));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:432:9
[INFO] [stderr]     |
[INFO] [stderr] 432 |         try!(Self::write_waveformat(spec, buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:435:9
[INFO] [stderr]     |
[INFO] [stderr] 435 |         try!(buffer.write_le_u16(spec.spec.bits_per_sample));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         try!(buffer.write_le_u32(40));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:455:9
[INFO] [stderr]     |
[INFO] [stderr] 455 |         try!(buffer.write_le_u16(0xfffe));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:457:9
[INFO] [stderr]     |
[INFO] [stderr] 457 |         try!(Self::write_waveformat(spec, buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         try!(buffer.write_le_u16(spec.bytes_per_sample as u16 * 8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:463:9
[INFO] [stderr]     |
[INFO] [stderr] 463 |         try!(buffer.write_le_u16(22));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:465:9
[INFO] [stderr]     |
[INFO] [stderr] 465 |         try!(buffer.write_le_u16(spec.spec.bits_per_sample));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 469 |         try!(buffer.write_le_u32(channel_mask(spec.spec.channels)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:486:9
[INFO] [stderr]     |
[INFO] [stderr] 486 |         try!(buffer.write_all(&subformat_guid));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:497:9
[INFO] [stderr]     |
[INFO] [stderr] 497 |         try!(buffer.write_le_u16(spec.spec.channels));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:500:9
[INFO] [stderr]     |
[INFO] [stderr] 500 |         try!(buffer.write_le_u32(spec.spec.sample_rate));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:506:9
[INFO] [stderr]     |
[INFO] [stderr] 506 |         try!(buffer.write_le_u32(bytes_per_sec));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:509:9
[INFO] [stderr]     |
[INFO] [stderr] 509 |         try!(buffer.write_le_u16((bytes_per_sec / spec.spec.sample_rate) as u16));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:522:9
[INFO] [stderr]     |
[INFO] [stderr] 522 |         try!(sample.write_padded(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:634:33
[INFO] [stderr]     |
[INFO] [stderr] 634 |         let mut chunks_writer = try!(ChunksWriter::new(writer));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:635:9
[INFO] [stderr]     |
[INFO] [stderr] 635 |         try!(chunks_writer.write_fmt(spec));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:636:9
[INFO] [stderr]     |
[INFO] [stderr] 636 |         try!(chunks_writer.start_data_chunk());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:742:28
[INFO] [stderr]     |
[INFO] [stderr] 742 |     let mut chunk_reader = try!(read::ChunksReader::new(reader));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:743:5
[INFO] [stderr]     |
[INFO] [stderr] 743 |     try!(chunk_reader.read_until_data());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:744:19
[INFO] [stderr]     |
[INFO] [stderr] 744 |     let spec_ex = try!(chunk_reader.spec_ex.ok_or(Error::FormatError("DATA found before fmt")));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:746:22
[INFO] [stderr]     |
[INFO] [stderr] 746 |     let data_start = try!(chunk_reader.into_inner().seek(io::SeekFrom::Current(0)));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:790:20
[INFO] [stderr]     |
[INFO] [stderr] 790 |         let file = try!(fs::File::create(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:804:20
[INFO] [stderr]     |
[INFO] [stderr] 804 |         let file = try!(fs::OpenOptions::new().read(true).write(true).open(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:808:47
[INFO] [stderr]     |
[INFO] [stderr] 808 |         let (spec_ex, data_len, data_start) = try!(read_append(&mut buf_reader));
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:814:24
[INFO] [stderr]     |
[INFO] [stderr] 814 |         let full_len = try!(file.seek(io::SeekFrom::End(0)));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:849:48
[INFO] [stderr]     |
[INFO] [stderr] 849 |         let (spec_ex, data_len, _data_start) = try!(read_append(&mut writer));
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:850:9
[INFO] [stderr]     |
[INFO] [stderr] 850 |         try!(writer.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:963:9
[INFO] [stderr]     |
[INFO] [stderr] 963 |         try!(self.writer.write_all(&self.buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:190:26
[INFO] [stderr]     |
[INFO] [stderr] 190 |             (8, 1) => Ok(try!(writer.write_u8(u8_from_signed(self)))),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:191:27
[INFO] [stderr]     |
[INFO] [stderr] 191 |             (16, 2) => Ok(try!(writer.write_le_i16(self as i16))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:192:27
[INFO] [stderr]     |
[INFO] [stderr] 192 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:193:27
[INFO] [stderr]     |
[INFO] [stderr] 193 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:194:27
[INFO] [stderr]     |
[INFO] [stderr] 194 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:209:26
[INFO] [stderr]     |
[INFO] [stderr] 209 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8))),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:224:26
[INFO] [stderr]     |
[INFO] [stderr] 224 |             (8, 1) => Ok(try!(
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:225:48
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self as i32))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:227:27
[INFO] [stderr]     |
[INFO] [stderr] 227 |             (16, 2) => Ok(try!(writer.write_le_i16(self))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:228:27
[INFO] [stderr]     |
[INFO] [stderr] 228 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:229:27
[INFO] [stderr]     |
[INFO] [stderr] 229 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:230:27
[INFO] [stderr]     |
[INFO] [stderr] 230 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:245:26
[INFO] [stderr]     |
[INFO] [stderr] 245 |             (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 item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:246:27
[INFO] [stderr]     |
[INFO] [stderr] 246 |             (2, 16) => Ok(try!(reader.read_le_i16())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:261:26
[INFO] [stderr]     |
[INFO] [stderr] 261 |             (8, 1) => Ok(try!(
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:262:48
[INFO] [stderr]     |
[INFO] [stderr] 262 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:27
[INFO] [stderr]     |
[INFO] [stderr] 264 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:52
[INFO] [stderr]     |
[INFO] [stderr] 264 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:265:27
[INFO] [stderr]     |
[INFO] [stderr] 265 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:265:52
[INFO] [stderr]     |
[INFO] [stderr] 265 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:266:27
[INFO] [stderr]     |
[INFO] [stderr] 266 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:266:54
[INFO] [stderr]     |
[INFO] [stderr] 266 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:267:27
[INFO] [stderr]     |
[INFO] [stderr] 267 |             (32, 4) => Ok(try!(writer.write_le_i32(self))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:282:26
[INFO] [stderr]     |
[INFO] [stderr] 282 |             (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 item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:283:27
[INFO] [stderr]     |
[INFO] [stderr] 283 |             (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:284:27
[INFO] [stderr]     |
[INFO] [stderr] 284 |             (3, 24) => Ok(try!(reader.read_le_i24())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:285:27
[INFO] [stderr]     |
[INFO] [stderr] 285 |             (4, 24) => Ok(try!(reader.read_le_i24_4())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:286:27
[INFO] [stderr]     |
[INFO] [stderr] 286 |             (4, 32) => Ok(try!(reader.read_le_i32())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:301:27
[INFO] [stderr]     |
[INFO] [stderr] 301 |             (32, 4) => Ok(try!(writer.write_le_f32(self))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:314:35
[INFO] [stderr]     |
[INFO] [stderr] 314 |                     (4, 32) => Ok(try!(reader.read_le_f32())),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:322:34
[INFO] [stderr]     |
[INFO] [stderr] 322 |                     (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as f32))),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:323:35
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as f32))),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:324:35
[INFO] [stderr]     |
[INFO] [stderr] 324 |                     (3, 24) => Ok(try!(reader.read_le_i24()) as f32),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:400:17
[INFO] [stderr]     |
[INFO] [stderr] 400 |                 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:432:32
[INFO] [stderr]     |
[INFO] [stderr] 432 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:423:44
[INFO] [stderr]     |
[INFO] [stderr] 423 |             Error::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 132 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:82:28
[INFO] [stderr]    |
[INFO] [stderr] 82 |             let progress = try!(self.read(&mut buf[n..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:102:28
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let progress = try!(self.read(&mut buf[0..end]));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(self.read_into(&mut buf[..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         try!(self.read_into(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:211:20
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let read = try!(reader.read(&mut buffer[0..max]));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:314:9
[INFO] [stderr]     |
[INFO] [stderr] 314 |         try!(read_wave_header(&mut reader));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:373:13
[INFO] [stderr]     |
[INFO] [stderr] 373 |             try!(data.chunk.skip_remaining(&mut self.reader))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:381:19
[INFO] [stderr]     |
[INFO] [stderr] 381 |         let len = try!(self.reader.read_le_u32());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:384:31
[INFO] [stderr]     |
[INFO] [stderr] 384 |                 let spec_ex = try!(self.read_fmt_chunk(len));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:430:33
[INFO] [stderr]     |
[INFO] [stderr] 430 |         while let Some(chunk) = try!(self.next()) {
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:485:26
[INFO] [stderr]     |
[INFO] [stderr] 485 |         let format_tag = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:486:26
[INFO] [stderr]     |
[INFO] [stderr] 486 |         let n_channels = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:487:33
[INFO] [stderr]     |
[INFO] [stderr] 487 |         let n_samples_per_sec = try!(self.reader.read_le_u32());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:488:31
[INFO] [stderr]     |
[INFO] [stderr] 488 |         let n_bytes_per_sec = try!(self.reader.read_le_u32());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:489:27
[INFO] [stderr]     |
[INFO] [stderr] 489 |         let block_align = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:490:31
[INFO] [stderr]     |
[INFO] [stderr] 490 |         let bits_per_sample = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:536:20
[INFO] [stderr]     |
[INFO] [stderr] 536 |             PCM => try!(self.read_wave_format_pcm(chunk_len, &spec)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:538:27
[INFO] [stderr]     |
[INFO] [stderr] 538 |             IEEE_FLOAT => try!(self.read_wave_format_ieee_float(chunk_len, &mut spec)),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:539:27
[INFO] [stderr]     |
[INFO] [stderr] 539 |             EXTENSIBLE => try!(self.read_wave_format_extensible(chunk_len, &mut spec)),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:566:28
[INFO] [stderr]     |
[INFO] [stderr] 566 |             let _cb_size = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:584:13
[INFO] [stderr]     |
[INFO] [stderr] 584 |             try!(self.reader.skip_bytes(22));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:601:27
[INFO] [stderr]     |
[INFO] [stderr] 601 |             let cb_size = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:630:23
[INFO] [stderr]     |
[INFO] [stderr] 630 |         let cb_size = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:652:37
[INFO] [stderr]     |
[INFO] [stderr] 652 |         let valid_bits_per_sample = try!(self.reader.read_le_u16());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:653:29
[INFO] [stderr]     |
[INFO] [stderr] 653 |         let _channel_mask = try!(self.reader.read_le_u32()); // Not used for now.
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:655:9
[INFO] [stderr]     |
[INFO] [stderr] 655 |         try!(self.reader.read_into(&mut subformat));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:693:9
[INFO] [stderr]     |
[INFO] [stderr] 693 |         try!(data.chunk.seek(&mut self.reader, io::SeekFrom::Start(wanted_byte as u64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:766:20
[INFO] [stderr]     |
[INFO] [stderr] 766 |     if b"RIFF" != &try!(reader.read_bytes(4))[..] {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:770:20
[INFO] [stderr]     |
[INFO] [stderr] 770 |     let file_len = try!(reader.read_le_u32());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:773:20
[INFO] [stderr]     |
[INFO] [stderr] 773 |     if b"WAVE" != &try!(reader.read_bytes(4))[..] {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:790:26
[INFO] [stderr]     |
[INFO] [stderr] 790 |         let mut reader = try!(ChunksReader::new(reader));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:791:9
[INFO] [stderr]     |
[INFO] [stderr] 791 |         try!(reader.read_until_data());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:883:20
[INFO] [stderr]     |
[INFO] [stderr] 883 |         let file = try!(fs::File::open(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(state.update_header(writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:200:23
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let written = try!(writer.write(buf));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         try!(writer.seek(io::SeekFrom::Current(-(self.len as i64 + 4))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         try!(writer.write_le_u32(self.len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(writer.seek(io::SeekFrom::Current(self.len as i64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |         try!(self.update_header(writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |             try!(writer.write_u8(0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |         try!(writer.write_all(b"RIFF\0\0\0\0WAVE"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:255:24
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let full_len = try!(self.writer.seek(io::SeekFrom::Current(0)));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         try!(self.writer.seek(io::SeekFrom::Start(4)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:257:9
[INFO] [stderr]     |
[INFO] [stderr] 257 |         try!(self.writer.write_le_u32(full_len as u32 - 8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 |         try!(self.writer.seek(io::SeekFrom::Current(full_len as i64 - 8)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:275:9
[INFO] [stderr]     |
[INFO] [stderr] 275 |         try!(self.writer.seek(io::SeekFrom::End(-(data_state.len as i64 + 4))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         try!(self.writer.write_le_u32(data_state.len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:277:9
[INFO] [stderr]     |
[INFO] [stderr] 277 |         try!(self.writer.seek(io::SeekFrom::End(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:298:9
[INFO] [stderr]     |
[INFO] [stderr] 298 |         try!(self.writer.write_all(&fourcc));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:299:9
[INFO] [stderr]     |
[INFO] [stderr] 299 |         try!(self.writer.write_le_u32(0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |         try!(self.writer.write_all(b"data"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         try!(self.writer.write_le_u32(0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:322:13
[INFO] [stderr]     |
[INFO] [stderr] 322 |             try!(self.update_data_chunk_header())
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:325:13
[INFO] [stderr]     |
[INFO] [stderr] 325 |             try!(self.update_riff_header());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:336:9
[INFO] [stderr]     |
[INFO] [stderr] 336 |         try!(self.update_headers());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:337:9
[INFO] [stderr]     |
[INFO] [stderr] 337 |         try!(self.writer.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:351:9
[INFO] [stderr]     |
[INFO] [stderr] 351 |         try!(self.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |         try!(self.writer.write(b"fmt "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:390:21
[INFO] [stderr]     |
[INFO] [stderr] 390 |                     try!(Self::write_pcmwaveformat(spec_ex, &mut buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:393:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |                     try!(Self::write_waveformatextensible(spec_ex, &mut buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:398:9
[INFO] [stderr]     |
[INFO] [stderr] 398 |         try!(self.writer.write_all(&header[..written as usize]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:408:9
[INFO] [stderr]     |
[INFO] [stderr] 408 |         try!(buffer.write_le_u32(16));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:418:17
[INFO] [stderr]     |
[INFO] [stderr] 418 |                 try!(buffer.write_le_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:423:21
[INFO] [stderr]     |
[INFO] [stderr] 423 |                     try!(buffer.write_le_u16(3));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:432:9
[INFO] [stderr]     |
[INFO] [stderr] 432 |         try!(Self::write_waveformat(spec, buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:435:9
[INFO] [stderr]     |
[INFO] [stderr] 435 |         try!(buffer.write_le_u16(spec.spec.bits_per_sample));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         try!(buffer.write_le_u32(40));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:455:9
[INFO] [stderr]     |
[INFO] [stderr] 455 |         try!(buffer.write_le_u16(0xfffe));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:457:9
[INFO] [stderr]     |
[INFO] [stderr] 457 |         try!(Self::write_waveformat(spec, buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         try!(buffer.write_le_u16(spec.bytes_per_sample as u16 * 8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:463:9
[INFO] [stderr]     |
[INFO] [stderr] 463 |         try!(buffer.write_le_u16(22));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:465:9
[INFO] [stderr]     |
[INFO] [stderr] 465 |         try!(buffer.write_le_u16(spec.spec.bits_per_sample));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 469 |         try!(buffer.write_le_u32(channel_mask(spec.spec.channels)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:486:9
[INFO] [stderr]     |
[INFO] [stderr] 486 |         try!(buffer.write_all(&subformat_guid));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:497:9
[INFO] [stderr]     |
[INFO] [stderr] 497 |         try!(buffer.write_le_u16(spec.spec.channels));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:500:9
[INFO] [stderr]     |
[INFO] [stderr] 500 |         try!(buffer.write_le_u32(spec.spec.sample_rate));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:506:9
[INFO] [stderr]     |
[INFO] [stderr] 506 |         try!(buffer.write_le_u32(bytes_per_sec));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:509:9
[INFO] [stderr]     |
[INFO] [stderr] 509 |         try!(buffer.write_le_u16((bytes_per_sec / spec.spec.sample_rate) as u16));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:522:9
[INFO] [stderr]     |
[INFO] [stderr] 522 |         try!(sample.write_padded(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:634:33
[INFO] [stderr]     |
[INFO] [stderr] 634 |         let mut chunks_writer = try!(ChunksWriter::new(writer));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:635:9
[INFO] [stderr]     |
[INFO] [stderr] 635 |         try!(chunks_writer.write_fmt(spec));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:636:9
[INFO] [stderr]     |
[INFO] [stderr] 636 |         try!(chunks_writer.start_data_chunk());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:742:28
[INFO] [stderr]     |
[INFO] [stderr] 742 |     let mut chunk_reader = try!(read::ChunksReader::new(reader));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:743:5
[INFO] [stderr]     |
[INFO] [stderr] 743 |     try!(chunk_reader.read_until_data());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:744:19
[INFO] [stderr]     |
[INFO] [stderr] 744 |     let spec_ex = try!(chunk_reader.spec_ex.ok_or(Error::FormatError("DATA found before fmt")));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:746:22
[INFO] [stderr]     |
[INFO] [stderr] 746 |     let data_start = try!(chunk_reader.into_inner().seek(io::SeekFrom::Current(0)));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:790:20
[INFO] [stderr]     |
[INFO] [stderr] 790 |         let file = try!(fs::File::create(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:804:20
[INFO] [stderr]     |
[INFO] [stderr] 804 |         let file = try!(fs::OpenOptions::new().read(true).write(true).open(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:808:47
[INFO] [stderr]     |
[INFO] [stderr] 808 |         let (spec_ex, data_len, data_start) = try!(read_append(&mut buf_reader));
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:814:24
[INFO] [stderr]     |
[INFO] [stderr] 814 |         let full_len = try!(file.seek(io::SeekFrom::End(0)));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:849:48
[INFO] [stderr]     |
[INFO] [stderr] 849 |         let (spec_ex, data_len, _data_start) = try!(read_append(&mut writer));
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:850:9
[INFO] [stderr]     |
[INFO] [stderr] 850 |         try!(writer.seek(io::SeekFrom::Current(data_len as i64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:963:9
[INFO] [stderr]     |
[INFO] [stderr] 963 |         try!(self.writer.write_all(&self.buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:190:26
[INFO] [stderr]     |
[INFO] [stderr] 190 |             (8, 1) => Ok(try!(writer.write_u8(u8_from_signed(self)))),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:191:27
[INFO] [stderr]     |
[INFO] [stderr] 191 |             (16, 2) => Ok(try!(writer.write_le_i16(self as i16))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:192:27
[INFO] [stderr]     |
[INFO] [stderr] 192 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:193:27
[INFO] [stderr]     |
[INFO] [stderr] 193 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:194:27
[INFO] [stderr]     |
[INFO] [stderr] 194 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:209:26
[INFO] [stderr]     |
[INFO] [stderr] 209 |             (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8))),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:224:26
[INFO] [stderr]     |
[INFO] [stderr] 224 |             (8, 1) => Ok(try!(
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:225:48
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self as i32))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:227:27
[INFO] [stderr]     |
[INFO] [stderr] 227 |             (16, 2) => Ok(try!(writer.write_le_i16(self))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:228:27
[INFO] [stderr]     |
[INFO] [stderr] 228 |             (24, 3) => Ok(try!(writer.write_le_i24(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:229:27
[INFO] [stderr]     |
[INFO] [stderr] 229 |             (24, 4) => Ok(try!(writer.write_le_i24_4(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:230:27
[INFO] [stderr]     |
[INFO] [stderr] 230 |             (32, 4) => Ok(try!(writer.write_le_i32(self as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:245:26
[INFO] [stderr]     |
[INFO] [stderr] 245 |             (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 item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:246:27
[INFO] [stderr]     |
[INFO] [stderr] 246 |             (2, 16) => Ok(try!(reader.read_le_i16())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:261:26
[INFO] [stderr]     |
[INFO] [stderr] 261 |             (8, 1) => Ok(try!(
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:262:48
[INFO] [stderr]     |
[INFO] [stderr] 262 |                 writer.write_u8(u8_from_signed(try!(narrow_to_i8(self))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:27
[INFO] [stderr]     |
[INFO] [stderr] 264 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:52
[INFO] [stderr]     |
[INFO] [stderr] 264 |             (16, 2) => Ok(try!(writer.write_le_i16(try!(narrow_to_i16(self))))),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:265:27
[INFO] [stderr]     |
[INFO] [stderr] 265 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:265:52
[INFO] [stderr]     |
[INFO] [stderr] 265 |             (24, 3) => Ok(try!(writer.write_le_i24(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:266:27
[INFO] [stderr]     |
[INFO] [stderr] 266 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:266:54
[INFO] [stderr]     |
[INFO] [stderr] 266 |             (24, 4) => Ok(try!(writer.write_le_i24_4(try!(narrow_to_i24(self))))),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:267:27
[INFO] [stderr]     |
[INFO] [stderr] 267 |             (32, 4) => Ok(try!(writer.write_le_i32(self))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:282:26
[INFO] [stderr]     |
[INFO] [stderr] 282 |             (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 item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:283:27
[INFO] [stderr]     |
[INFO] [stderr] 283 |             (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as i32))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:284:27
[INFO] [stderr]     |
[INFO] [stderr] 284 |             (3, 24) => Ok(try!(reader.read_le_i24())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:285:27
[INFO] [stderr]     |
[INFO] [stderr] 285 |             (4, 24) => Ok(try!(reader.read_le_i24_4())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:286:27
[INFO] [stderr]     |
[INFO] [stderr] 286 |             (4, 32) => Ok(try!(reader.read_le_i32())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:301:27
[INFO] [stderr]     |
[INFO] [stderr] 301 |             (32, 4) => Ok(try!(writer.write_le_f32(self))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:314:35
[INFO] [stderr]     |
[INFO] [stderr] 314 |                     (4, 32) => Ok(try!(reader.read_le_f32())),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:322:34
[INFO] [stderr]     |
[INFO] [stderr] 322 |                     (1, 8) => Ok(try!(reader.read_u8().map(signed_from_u8).map(|x| x as f32))),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:323:35
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     (2, 16) => Ok(try!(reader.read_le_i16().map(|x| x as f32))),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:324:35
[INFO] [stderr]     |
[INFO] [stderr] 324 |                     (3, 24) => Ok(try!(reader.read_le_i24()) as f32),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:400:17
[INFO] [stderr]     |
[INFO] [stderr] 400 |                 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:432:32
[INFO] [stderr]     |
[INFO] [stderr] 432 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:423:44
[INFO] [stderr]     |
[INFO] [stderr] 423 |             Error::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 132 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hound-ea16017865cc2719
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test read::read_wav_skips_unknown_chunks ... ok
[INFO] [stdout] test read::read_wav_wave_format_ex_8bit ... ok
[INFO] [stdout] test read::read_wav_pcm_wave_format_8bit ... ok
[INFO] [stdout] test new_append_should_append ... ok
[INFO] [stdout] test read::read_wav_pcm_wave_format_pcm ... ok
[INFO] [stdout] test read::read_as_i32_should_equal_read_as_f32 ... ok
[INFO] [stdout] test read::len_and_size_hint_are_correct ... ok
[INFO] [stdout] test read::read_wav_pcm_wave_format_24bit_4byte ... ok
[INFO] [stdout] test read::duration_and_len_agree ... ok
[INFO] [stdout] test read::read_wav_nonstandard_01 ... ok
[INFO] [stdout] test flush_should_produce_valid_file ... ok
[INFO] [stdout] test new_append_does_not_corrupt_files ... ok
[INFO] [stdout] test read::read_wav_wave_format_extensible_ieee_float ... ok
[INFO] [stdout] test read::fuzz_crashes_should_be_fixed ... ok
[INFO] [stdout] test read::read_wav_wave_format_ex_pcm ... ok
[INFO] [stdout] test read::read_wav_wave_format_extensible_pcm_24bit ... ok
[INFO] [stdout] test read::read_wav_stereo ... ok
[INFO] [stdout] test read::read_wav_wave_format_ex_ieee_float ... ok
[INFO] [stdout] test read::read_wav_wave_format_extensible_pcm_24bit_4byte ... ok
[INFO] [stdout] test verify_narrow_to_i16 ... ok
[INFO] [stdout] test test_into_header_for_infinite_file ... ok
[INFO] [stdout] test verify_narrow_to_i24 ... ok
[INFO] [stdout] test u8_sign_conversion_is_bijective ... ok
[INFO] [stdout] test read::size_hint_is_exact ... ok
[INFO] [stdout] test read::read_wav_32bit ... ok
[INFO] [stdout] test read_non_standard_chunks ... ok
[INFO] [stdout] test verify_narrow_to_i8 ... ok
[INFO] [stdout] test read::samples_equals_into_samples ... ok
[INFO] [stdout] test read::seek_is_consistent ... ok
[INFO] [stdout] test read::wide_read_should_signal_error ... ok
[INFO] [stdout] test read::sample_format_mismatch_should_signal_error ... ok
[INFO] [stdout] test write::s24_wav_write ... ok
[INFO] [stdout] test write::short_write_should_signal_error ... ok
[INFO] [stdout] test write_read_i8_is_lossless ... ok
[INFO] [stdout] test write::verify_channel_mask ... ok
[INFO] [stdout] test write_read_i24_is_lossless ... ok
[INFO] [stdout] test write_read_i16_is_lossless ... ok
[INFO] [stdout] test write_read_i16_via_sample_writer_is_lossless ... ok
[INFO] [stdout] test write_read_f32_is_lossless ... ok
[INFO] [stdout] test write_read_chunks_is_lossless ... ok
[INFO] [stdout] test write::wide_write_should_signal_error ... ok
[INFO] [stdout] test append_works_on_files ... FAILED
[INFO] [stdout] test no_32_bps_for_float_sample_format_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- append_works_on_files stdout ----
[INFO] [stdout] thread 'append_works_on_files' panicked at 'called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: Other, message: "Read-only file system" })', src/lib.rs:876:22
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d6fbe15e45 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55d6fbe15e45 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d6fbe15e45 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55d6fbe15e45 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5fe20777f4174074
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55d6fbe3eb1c - core::fmt::write::he14c3177144df275
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55d6fbdc9c75 - std::io::Write::write_fmt::ha866504c9998fe5e
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55d6fbe10071 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h8f0a2af895559593
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55d6fbe18670 - std::sys_common::backtrace::_print::h9cfa4c87526ba064
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55d6fbe18670 - std::sys_common::backtrace::print::h94936584848b3272
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55d6fbe18670 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55d6fbe1836a - std::panicking::default_hook::h556d8cff6c12a651
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x55d6fbe18ca7 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   12:     0x55d6fbe188ab - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   13:     0x55d6fbe3ca81 - core::panicking::panic_fmt::h106d7128cbbc7cd2
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   14:     0x55d6fbe3c8a3 - core::option::expect_none_failed::hfcafefc70a7975bb
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   15:     0x55d6fbdbd890 - core::result::Result<T,E>::unwrap::hef08129152bec243
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x55d6fbd9164b - hound::append_works_on_files::hc8870cd5debd6868
[INFO] [stdout]                                at src/lib.rs:876
[INFO] [stdout]   17:     0x55d6fbd9159a - hound::append_works_on_files::{{closure}}::h91b26e7f1541490b
[INFO] [stdout]                                at src/lib.rs:866
[INFO] [stdout]   18:     0x55d6fbd9fd2e - core::ops::function::FnOnce::call_once::h686e110c356dcf71
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   19:     0x55d6fbdf0e62 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1efcc6525b6aa145
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   20:     0x55d6fbdf0e62 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hafd7ae2f3c23f399
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]   21:     0x55d6fbdf0e62 - std::panicking::try::do_call::h83baf26f5fc8b0a5
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]   22:     0x55d6fbdf0e62 - std::panicking::try::h8d28a678b90bb6ac
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]   23:     0x55d6fbdf0e62 - std::panic::catch_unwind::h20734e8710644f59
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x55d6fbdf0e62 - test::run_test_in_process::h2c1fb2dd0c9013bb
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   25:     0x55d6fbdf0e62 - test::run_test::run_test_inner::{{closure}}::h7c58b7aefdb9adf3
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   26:     0x55d6fbdc9136 - std::sys_common::backtrace::__rust_begin_short_backtrace::h498f21fd16bdff05
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   27:     0x55d6fbdce475 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb35336a0a0430e6d
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475
[INFO] [stdout]   28:     0x55d6fbdce475 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8569a86268e08ad1
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]   29:     0x55d6fbdce475 - std::panicking::try::do_call::hcc5472a0f1ff31ac
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]   30:     0x55d6fbdce475 - std::panicking::try::h774b0c4fd770945c
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]   31:     0x55d6fbdce475 - std::panic::catch_unwind::hfaf7c6beb53320e7
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x55d6fbdce475 - std::thread::Builder::spawn_unchecked::{{closure}}::h481343a824704446
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474
[INFO] [stdout]   33:     0x55d6fbdce475 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dcbc7fc2c4c6c48
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   34:     0x55d6fbe1f34a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hf311c88f1fadb9b8
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   35:     0x55d6fbe1f34a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8cfb7235b81393ef
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   36:     0x55d6fbe1f34a - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   37:     0x7f43798e3609 - start_thread
[INFO] [stdout]   38:     0x7f43797ef103 - __clone
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     append_works_on_files
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 42 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "9e02486b4ea812100a149cb13e6772cbf1668e0902ca89ba54648408e0b3cbda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e02486b4ea812100a149cb13e6772cbf1668e0902ca89ba54648408e0b3cbda", kill_on_drop: false }`
[INFO] [stdout] 9e02486b4ea812100a149cb13e6772cbf1668e0902ca89ba54648408e0b3cbda