[INFO] crate audrey 0.2.0 is already in cache
[INFO] testing audrey-0.2.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate audrey 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate audrey 0.2.0 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 crates.io crate audrey 0.2.0
[INFO] finished tweaking crates.io crate audrey 0.2.0
[INFO] tweaked toml for crates.io crate audrey 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2dd79eb62fa3c350d649c97c639119b857d195ac43433f49a23a899bf2e49118
[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" "2dd79eb62fa3c350d649c97c639119b857d195ac43433f49a23a899bf2e49118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd79eb62fa3c350d649c97c639119b857d195ac43433f49a23a899bf2e49118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd79eb62fa3c350d649c97c639119b857d195ac43433f49a23a899bf2e49118", kill_on_drop: false }`
[INFO] [stdout] 2dd79eb62fa3c350d649c97c639119b857d195ac43433f49a23a899bf2e49118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4a4fd76cea9a479f27e6505f123a96f0ce30e43eee19ed1da215e6cbb19f1da7
[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" "4a4fd76cea9a479f27e6505f123a96f0ce30e43eee19ed1da215e6cbb19f1da7", kill_on_drop: false }`
[INFO] [stderr]    Compiling alac v0.3.3
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling claxon v0.4.2
[INFO] [stderr]    Compiling sample v0.9.1
[INFO] [stderr]    Compiling ogg v0.5.1
[INFO] [stderr]    Compiling caf v0.1.0
[INFO] [stderr]    Compiling lewton v0.7.0
[INFO] [stderr]    Compiling audrey v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/caf_alac.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let caf_reader = try!(CafPacketReader::new(rdr,
[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/caf_alac.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let decoder = try!(Decoder::from_cookie(&cookie)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/caf_alac.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let packet = match try!(self.caf_reader.next_packet()) {
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/caf_alac.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(self.alac_decoder.decode_packet(&packet, &mut output_buf)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:184:20
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let file = try!(std::fs::File::open(path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:211:39
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 return Ok(Reader::Wav(try!(hound::WavReader::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:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:224:40
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 return Ok(Reader::Flac(try!(claxon::FlacReader::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:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:238:45
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 return Ok(Reader::OggVorbis(try!(lewton::inside_ogg::OggStreamReader::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:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:254:43
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 return Ok(Reader::CafAlac(try!(super::caf_alac::AlacReader::new(reader)).unwrap()));
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:563:32
[INFO] [stdout]     |
[INFO] [stdout] 563 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:587:32
[INFO] [stdout]     |
[INFO] [stdout] 587 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[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/read.rs:552:43
[INFO] [stdout]     |
[INFO] [stdout] 552 |             FormatError::Flac(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:554:48
[INFO] [stdout]     |
[INFO] [stdout] 554 |             FormatError::OggVorbis(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:556:42
[INFO] [stdout]     |
[INFO] [stdout] 556 |             FormatError::Wav(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:558:42
[INFO] [stdout]     |
[INFO] [stdout] 558 |             FormatError::Caf(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:582:39
[INFO] [stdout]     |
[INFO] [stdout] 582 |             ReadError::Io(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:583:43
[INFO] [stdout]     |
[INFO] [stdout] 583 |             ReadError::Reader(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:610:17
[INFO] [stdout]     |
[INFO] [stdout] 610 |                 std::error::Error::description(self)),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:621:33
[INFO] [stdout]     |
[INFO] [stdout] 621 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/read.rs:416:25
[INFO] [stdout]     |
[INFO] [stdout] 416 |                         std::mem::replace(buffer, packet);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/read.rs:456:25
[INFO] [stdout]     |
[INFO] [stdout] 456 |                         std::mem::replace(buffer, packet);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.38s
[INFO] running `Command { std: "docker" "inspect" "4a4fd76cea9a479f27e6505f123a96f0ce30e43eee19ed1da215e6cbb19f1da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4fd76cea9a479f27e6505f123a96f0ce30e43eee19ed1da215e6cbb19f1da7", kill_on_drop: false }`
[INFO] [stdout] 4a4fd76cea9a479f27e6505f123a96f0ce30e43eee19ed1da215e6cbb19f1da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 961f3b51f0760ff95fb2c4b2f7df27925f3994af8e97f5cff194262770f596ef
[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" "961f3b51f0760ff95fb2c4b2f7df27925f3994af8e97f5cff194262770f596ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/caf_alac.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let caf_reader = try!(CafPacketReader::new(rdr,
[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/caf_alac.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let decoder = try!(Decoder::from_cookie(&cookie)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/caf_alac.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let packet = match try!(self.caf_reader.next_packet()) {
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/caf_alac.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(self.alac_decoder.decode_packet(&packet, &mut output_buf)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:184:20
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let file = try!(std::fs::File::open(path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:211:39
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 return Ok(Reader::Wav(try!(hound::WavReader::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:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:224:40
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 return Ok(Reader::Flac(try!(claxon::FlacReader::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:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:238:45
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 return Ok(Reader::OggVorbis(try!(lewton::inside_ogg::OggStreamReader::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:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:254:43
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 return Ok(Reader::CafAlac(try!(super::caf_alac::AlacReader::new(reader)).unwrap()));
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:563:32
[INFO] [stdout]     |
[INFO] [stdout] 563 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:587:32
[INFO] [stdout]     |
[INFO] [stdout] 587 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[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/read.rs:552:43
[INFO] [stdout]     |
[INFO] [stdout] 552 |             FormatError::Flac(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:554:48
[INFO] [stdout]     |
[INFO] [stdout] 554 |             FormatError::OggVorbis(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:556:42
[INFO] [stdout]     |
[INFO] [stdout] 556 |             FormatError::Wav(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:558:42
[INFO] [stdout]     |
[INFO] [stdout] 558 |             FormatError::Caf(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:582:39
[INFO] [stdout]     |
[INFO] [stdout] 582 |             ReadError::Io(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:583:43
[INFO] [stdout]     |
[INFO] [stdout] 583 |             ReadError::Reader(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:610:17
[INFO] [stdout]     |
[INFO] [stdout] 610 |                 std::error::Error::description(self)),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:621:33
[INFO] [stdout]     |
[INFO] [stdout] 621 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/read.rs:416:25
[INFO] [stdout]     |
[INFO] [stdout] 416 |                         std::mem::replace(buffer, packet);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/read.rs:456:25
[INFO] [stdout]     |
[INFO] [stdout] 456 |                         std::mem::replace(buffer, packet);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cpal v0.5.1
[INFO] [stderr]    Compiling audrey v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/caf_alac.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let caf_reader = try!(CafPacketReader::new(rdr,
[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/caf_alac.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let decoder = try!(Decoder::from_cookie(&cookie)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/caf_alac.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let packet = match try!(self.caf_reader.next_packet()) {
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/caf_alac.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(self.alac_decoder.decode_packet(&packet, &mut output_buf)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:184:20
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let file = try!(std::fs::File::open(path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:211:39
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 return Ok(Reader::Wav(try!(hound::WavReader::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:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:224:40
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 return Ok(Reader::Flac(try!(claxon::FlacReader::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:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:238:45
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 return Ok(Reader::OggVorbis(try!(lewton::inside_ogg::OggStreamReader::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:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:254:43
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 return Ok(Reader::CafAlac(try!(super::caf_alac::AlacReader::new(reader)).unwrap()));
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:563:32
[INFO] [stdout]     |
[INFO] [stdout] 563 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:587:32
[INFO] [stdout]     |
[INFO] [stdout] 587 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[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/read.rs:552:43
[INFO] [stdout]     |
[INFO] [stdout] 552 |             FormatError::Flac(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:554:48
[INFO] [stdout]     |
[INFO] [stdout] 554 |             FormatError::OggVorbis(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:556:42
[INFO] [stdout]     |
[INFO] [stdout] 556 |             FormatError::Wav(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:558:42
[INFO] [stdout]     |
[INFO] [stdout] 558 |             FormatError::Caf(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:582:39
[INFO] [stdout]     |
[INFO] [stdout] 582 |             ReadError::Io(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:583:43
[INFO] [stdout]     |
[INFO] [stdout] 583 |             ReadError::Reader(ref err) => std::error::Error::description(err),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:610:17
[INFO] [stdout]     |
[INFO] [stdout] 610 |                 std::error::Error::description(self)),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/read.rs:621:33
[INFO] [stdout]     |
[INFO] [stdout] 621 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/read.rs:416:25
[INFO] [stdout]     |
[INFO] [stdout] 416 |                         std::mem::replace(buffer, packet);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/read.rs:456:25
[INFO] [stdout]     |
[INFO] [stdout] 456 |                         std::mem::replace(buffer, packet);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.34s
[INFO] running `Command { std: "docker" "inspect" "961f3b51f0760ff95fb2c4b2f7df27925f3994af8e97f5cff194262770f596ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961f3b51f0760ff95fb2c4b2f7df27925f3994af8e97f5cff194262770f596ef", kill_on_drop: false }`
[INFO] [stdout] 961f3b51f0760ff95fb2c4b2f7df27925f3994af8e97f5cff194262770f596ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d1bab8a404933af7d8a03fd0b58d65523b4164e623d5f14f822e01cdab76bde8
[INFO] running `Command { std: "docker" "start" "-a" "d1bab8a404933af7d8a03fd0b58d65523b4164e623d5f14f822e01cdab76bde8", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/caf_alac.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let caf_reader = try!(CafPacketReader::new(rdr,
[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/caf_alac.rs:30:23
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let decoder = try!(Decoder::from_cookie(&cookie)
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/caf_alac.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let packet = match try!(self.caf_reader.next_packet()) {
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/caf_alac.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(self.alac_decoder.decode_packet(&packet, &mut output_buf)
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:184:20
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let file = try!(std::fs::File::open(path));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:211:39
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 return Ok(Reader::Wav(try!(hound::WavReader::new(reader))));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:224:40
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 return Ok(Reader::Flac(try!(claxon::FlacReader::new(reader))));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:238:45
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 return Ok(Reader::OggVorbis(try!(lewton::inside_ogg::OggStreamReader::new(reader))));
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:252:13
[INFO] [stderr]     |
[INFO] [stderr] 252 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:254:43
[INFO] [stderr]     |
[INFO] [stderr] 254 |                 return Ok(Reader::CafAlac(try!(super::caf_alac::AlacReader::new(reader)).unwrap()));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/read.rs:563:32
[INFO] [stderr]     |
[INFO] [stderr] 563 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/read.rs:587:32
[INFO] [stderr]     |
[INFO] [stderr] 587 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:552:43
[INFO] [stderr]     |
[INFO] [stderr] 552 |             FormatError::Flac(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:554:48
[INFO] [stderr]     |
[INFO] [stderr] 554 |             FormatError::OggVorbis(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:556:42
[INFO] [stderr]     |
[INFO] [stderr] 556 |             FormatError::Wav(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:558:42
[INFO] [stderr]     |
[INFO] [stderr] 558 |             FormatError::Caf(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:582:39
[INFO] [stderr]     |
[INFO] [stderr] 582 |             ReadError::Io(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:583:43
[INFO] [stderr]     |
[INFO] [stderr] 583 |             ReadError::Reader(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:610:17
[INFO] [stderr]     |
[INFO] [stderr] 610 |                 std::error::Error::description(self)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:621:33
[INFO] [stderr]     |
[INFO] [stderr] 621 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/read.rs:416:25
[INFO] [stderr]     |
[INFO] [stderr] 416 |                         std::mem::replace(buffer, packet);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/read.rs:456:25
[INFO] [stderr]     |
[INFO] [stderr] 456 |                         std::mem::replace(buffer, packet);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/caf_alac.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let caf_reader = try!(CafPacketReader::new(rdr,
[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/caf_alac.rs:30:23
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let decoder = try!(Decoder::from_cookie(&cookie)
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/caf_alac.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let packet = match try!(self.caf_reader.next_packet()) {
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/caf_alac.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(self.alac_decoder.decode_packet(&packet, &mut output_buf)
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:184:20
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let file = try!(std::fs::File::open(path));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:211:39
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 return Ok(Reader::Wav(try!(hound::WavReader::new(reader))));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:224:40
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 return Ok(Reader::Flac(try!(claxon::FlacReader::new(reader))));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:238:45
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 return Ok(Reader::OggVorbis(try!(lewton::inside_ogg::OggStreamReader::new(reader))));
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:252:13
[INFO] [stderr]     |
[INFO] [stderr] 252 |             try!(reader.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:254:43
[INFO] [stderr]     |
[INFO] [stderr] 254 |                 return Ok(Reader::CafAlac(try!(super::caf_alac::AlacReader::new(reader)).unwrap()));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/read.rs:563:32
[INFO] [stderr]     |
[INFO] [stderr] 563 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/read.rs:587:32
[INFO] [stderr]     |
[INFO] [stderr] 587 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:552:43
[INFO] [stderr]     |
[INFO] [stderr] 552 |             FormatError::Flac(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:554:48
[INFO] [stderr]     |
[INFO] [stderr] 554 |             FormatError::OggVorbis(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:556:42
[INFO] [stderr]     |
[INFO] [stderr] 556 |             FormatError::Wav(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:558:42
[INFO] [stderr]     |
[INFO] [stderr] 558 |             FormatError::Caf(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:582:39
[INFO] [stderr]     |
[INFO] [stderr] 582 |             ReadError::Io(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:583:43
[INFO] [stderr]     |
[INFO] [stderr] 583 |             ReadError::Reader(ref err) => std::error::Error::description(err),
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:610:17
[INFO] [stderr]     |
[INFO] [stderr] 610 |                 std::error::Error::description(self)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/read.rs:621:33
[INFO] [stderr]     |
[INFO] [stderr] 621 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/read.rs:416:25
[INFO] [stderr]     |
[INFO] [stderr] 416 |                         std::mem::replace(buffer, packet);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/read.rs:456:25
[INFO] [stderr]     |
[INFO] [stderr] 456 |                         std::mem::replace(buffer, packet);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/audrey-9b79cc2bede01927
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/read-5e6e9ecef880bc15
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test open ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] test open_and_read_samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests audrey
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1bab8a404933af7d8a03fd0b58d65523b4164e623d5f14f822e01cdab76bde8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bab8a404933af7d8a03fd0b58d65523b4164e623d5f14f822e01cdab76bde8", kill_on_drop: false }`
[INFO] [stdout] d1bab8a404933af7d8a03fd0b58d65523b4164e623d5f14f822e01cdab76bde8