> cargo build
    Updating registry `https://github.com/rust-lang/crates.io-index`
 Downloading serde v0.7.0
 Downloading serde_json v0.7.0
 Downloading clap v2.1.2
 Downloading byteorder v0.5.0
 Downloading libc v0.2.8
 Downloading pkg-config v0.3.8
 Downloading num v0.1.31
 Downloading bitflags v0.4.0
 Downloading strsim v0.4.0
 Downloading vec_map v0.4.0
 Downloading ansi_term v0.7.2
 Downloading syntex v0.29.0
 Downloading serde_codegen v0.7.0
 Downloading syntex_syntax v0.29.1
 Downloading rustc-serialize v0.3.18
 Downloading bitflags v0.3.3
 Downloading unicode-xid v0.0.3
 Downloading term v0.2.14
 Downloading log v0.3.5
 Downloading kernel32-sys v0.2.1
 Downloading winapi v0.2.5
 Downloading winapi-build v0.1.1
 Downloading quasi v0.7.0
 Downloading aster v0.13.1
 Downloading quasi_codegen v0.7.0
   Compiling bitflags v0.4.0
   Compiling ansi_term v0.7.2
   Compiling libc v0.2.8
   Compiling unicode-xid v0.0.3
   Compiling winapi v0.2.5
   Compiling num v0.1.31
   Compiling bitflags v0.3.3
   Compiling serde v0.7.0
   Compiling pkg-config v0.3.8
   Compiling rustc-serialize v0.3.18
   Compiling opus-sys v0.2.0 (file:///home/purxiz/Downloads/dca-rs-0.1.0/lib/rust-opus/opus-sys)
   Compiling vec_map v0.4.0
   Compiling strsim v0.4.0
   Compiling clap v2.1.2
   Compiling serde_json v0.7.0
   Compiling byteorder v0.5.0
   Compiling log v0.3.5
   Compiling winapi-build v0.1.1
   Compiling kernel32-sys v0.2.1
   Compiling term v0.2.14
   Compiling syntex_syntax v0.29.1
   Compiling opus v0.1.1 (file:///home/purxiz/Downloads/dca-rs-0.1.0/lib/opus-rs)
   Compiling aster v0.13.1
   Compiling syntex v0.29.0
   Compiling quasi v0.7.0
   Compiling quasi_codegen v0.7.0
   Compiling serde_codegen v0.7.0
error: attributes of the form `#[derive_*]` are reserved for the compiler (see issue #29644)
  --> /home/purxiz/Downloads/dca-rs-0.1.0/target/debug/build/serde_codegen-2e153423c403dec4/out/lib.rs:15:5
   |
15 |     #[derive_Debug]
   |     ^^^^^^^^^^^^^^^

error: attributes of the form `#[derive_*]` are reserved for the compiler (see issue #29644)
  --> /home/purxiz/Downloads/dca-rs-0.1.0/target/debug/build/serde_codegen-2e153423c403dec4/out/lib.rs:53:5
   |
53 |     #[derive_Debug]
   |     ^^^^^^^^^^^^^^^

error: attributes of the form `#[derive_*]` are reserved for the compiler (see issue #29644)
   --> /home/purxiz/Downloads/dca-rs-0.1.0/target/debug/build/serde_codegen-2e153423c403dec4/out/lib.rs:104:5
    |
104 |     #[derive_Debug]
    |     ^^^^^^^^^^^^^^^

error: attributes of the form `#[derive_*]` are reserved for the compiler (see issue #29644)
   --> /home/purxiz/Downloads/dca-rs-0.1.0/target/debug/build/serde_codegen-2e153423c403dec4/out/lib.rs:147:5
    |
147 |     #[derive_Debug]
    |     ^^^^^^^^^^^^^^^

error: aborting due to 4 previous errors

error: Could not compile `serde_codegen`.

To learn more, run the command again with --verbose.