[INFO] crate tokio-thrift-codegen 0.1.0 is already in cache
[INFO] extracting crate tokio-thrift-codegen 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/tokio-thrift-codegen/0.1.0
[INFO] extracting crate tokio-thrift-codegen 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tokio-thrift-codegen/0.1.0
[INFO] validating manifest of tokio-thrift-codegen-0.1.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tokio-thrift-codegen-0.1.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tokio-thrift-codegen-0.1.0
[INFO] finished frobbing tokio-thrift-codegen-0.1.0
[INFO] frobbed toml for tokio-thrift-codegen-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/tokio-thrift-codegen/0.1.0/Cargo.toml
[INFO] started frobbing tokio-thrift-codegen-0.1.0
[INFO] finished frobbing tokio-thrift-codegen-0.1.0
[INFO] frobbed toml for tokio-thrift-codegen-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tokio-thrift-codegen/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting tokio-thrift-codegen-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/tokio-thrift-codegen/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a3e1403edac980050577f27895eb524eebacc3ecbf918bb72068f925de127ba9
[INFO] running `"docker" "start" "-a" "a3e1403edac980050577f27895eb524eebacc3ecbf918bb72068f925de127ba9"`
[INFO] [stderr]     Checking handlebars v0.22.0
[INFO] [stderr]     Checking tokio-thrift-codegen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/parser.rs:551:9
[INFO] [stderr]     |
[INFO] [stderr] 551 |         f
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/parser.rs:550:17
[INFO] [stderr]     |
[INFO] [stderr] 550 |         let f = format!("{}{}.{}{}", sgn, n, frac, pow).parse::<f64>().expect("internal error: failed to parse double literal internally");
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/parser.rs:551:9
[INFO] [stderr]     |
[INFO] [stderr] 551 |         f
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/parser.rs:550:17
[INFO] [stderr]     |
[INFO] [stderr] 550 |         let f = format!("{}{}.{}{}", sgn, n, frac, pow).parse::<f64>().expect("internal error: failed to parse double literal internally");
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/parser.rs:567:13
[INFO] [stderr]     |
[INFO] [stderr] 567 |             k: const_value ~ blank? ~
[INFO] [stderr]     |             ^ help: consider using `_k` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vs`
[INFO] [stderr]    --> src/parser.rs:566:9
[INFO] [stderr]     |
[INFO] [stderr] 566 |         vs: many0!(chain!(
[INFO] [stderr]     |         ^^ help: consider using `_vs` instead
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/parser.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 | /             match self {
[INFO] [stderr] 55 | |                 &String => s.emit_enum_variant("string", 0, 0, |_| Ok(())),
[INFO] [stderr] 56 | |                 &Void => s.emit_enum_variant("void", 1, 0, |_| Ok(())),
[INFO] [stderr] 57 | |                 &Byte => s.emit_enum_variant("byte", 2, 0, |_| Ok(())),
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |                 }),
[INFO] [stderr] 93 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 54 |             match *self {
[INFO] [stderr] 55 |                 String => s.emit_enum_variant("string", 0, 0, |_| Ok(())),
[INFO] [stderr] 56 |                 Void => s.emit_enum_variant("void", 1, 0, |_| Ok(())),
[INFO] [stderr] 57 |                 Byte => s.emit_enum_variant("byte", 2, 0, |_| Ok(())),
[INFO] [stderr] 58 |                 Bool => s.emit_enum_variant("bool", 3, 0, |_| Ok(())),
[INFO] [stderr] 59 |                 Binary => s.emit_enum_variant("binary", 4, 0, |_| Ok(())),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parser.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 | /         match self {
[INFO] [stderr] 120 | |             &Ty::String => "String".to_string(),
[INFO] [stderr] 121 | |             &Ty::Void => "()".to_string(),
[INFO] [stderr] 122 | |             &Ty::Byte => "u8".to_string(),
[INFO] [stderr] ...   |
[INFO] [stderr] 145 | |             }
[INFO] [stderr] 146 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 119 |         match *self {
[INFO] [stderr] 120 |             Ty::String => "String".to_string(),
[INFO] [stderr] 121 |             Ty::Void => "()".to_string(),
[INFO] [stderr] 122 |             Ty::Byte => "u8".to_string(),
[INFO] [stderr] 123 |             Ty::Bool => "bool".to_string(),
[INFO] [stderr] 124 |             Ty::Binary => "Vec<i8>".to_string(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/parser.rs:567:13
[INFO] [stderr]     |
[INFO] [stderr] 567 |             k: const_value ~ blank? ~
[INFO] [stderr]     |             ^ help: consider using `_k` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vs`
[INFO] [stderr]    --> src/parser.rs:566:9
[INFO] [stderr]     |
[INFO] [stderr] 566 |         vs: many0!(chain!(
[INFO] [stderr]     |         ^^ help: consider using `_vs` instead
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/parser.rs:549:50
[INFO] [stderr]     |
[INFO] [stderr] 549 |         let pow = pow.map(|i| format!("e{}", i)).unwrap_or("".to_string());
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:36:33
[INFO] [stderr]    |
[INFO] [stderr] 36 |       doc.headers.iter().find(|h| match *h {
[INFO] [stderr]    |  _________________________________^
[INFO] [stderr] 37 | |         &Header::Include(_) => false,
[INFO] [stderr] 38 | |         &Header::Namespace(ref n) => n.lang == "rust",
[INFO] [stderr] 39 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 36 |     doc.headers.iter().find(|h| match *(*h) {
[INFO] [stderr] 37 |         Header::Include(_) => false,
[INFO] [stderr] 38 |         Header::Namespace(ref n) => n.lang == "rust",
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 |       ).map(|h| match h {
[INFO] [stderr]    |  _______________^
[INFO] [stderr] 41 | |         &Header::Include(_) => panic!("internal error"),
[INFO] [stderr] 42 | |         &Header::Namespace(ref n) => n,
[INFO] [stderr] 43 | |     })
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ).map(|h| match *h {
[INFO] [stderr] 41 |         Header::Include(_) => panic!("internal error"),
[INFO] [stderr] 42 |         Header::Namespace(ref n) => n,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:53:10
[INFO] [stderr]    |
[INFO] [stderr] 53 |         .ok_or(RenderError::new("Param 0 is required for to_protocol helper."))?;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| RenderError::new("Param 0 is required for to_protocol helper."))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/lib.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     rc.writer.write(ret.as_bytes())?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let param = h.param(0).ok_or(RenderError::new("Param 0 is required for to_rust helper."))?;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| RenderError::new("Param 0 is required for to_rust helper."))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/lib.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     rc.writer.write(ret.as_bytes())?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:80:28
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let param = h.param(0).ok_or(RenderError::new("Param 0 is required for to_literal helper."))?;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| RenderError::new("Param 0 is required for to_literal helper."))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/lib.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     rc.writer.write(ret.as_bytes())?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:101:28
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let param = h.param(0).ok_or(RenderError::new("Param 0 is required for expr helper."))?;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| RenderError::new("Param 0 is required for expr helper."))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     rc.writer.write(expr.as_bytes())?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 | /         match def {
[INFO] [stderr] 157 | |             &Const(ref c)     => gen_const    (c, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 158 | |             &Typedef(ref t)   => gen_typedef  (t, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 159 | |             &Enum(ref e)      => gen_enum     (e, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] ...   |
[INFO] [stderr] 163 | |             &Service(ref s)   => gen_service  (s, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 164 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 156 |         match *def {
[INFO] [stderr] 157 |             Const(ref c)     => gen_const    (c, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 158 |             Typedef(ref t)   => gen_typedef  (t, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 159 |             Enum(ref e)      => gen_enum     (e, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 160 |             Struct(ref s)    => gen_struct   (s, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 161 |             Union(_)         => return Err(Error::NotSupported("union is not supported yet".to_string())),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tokio-thrift-codegen`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/parser.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 | /             match self {
[INFO] [stderr] 55 | |                 &String => s.emit_enum_variant("string", 0, 0, |_| Ok(())),
[INFO] [stderr] 56 | |                 &Void => s.emit_enum_variant("void", 1, 0, |_| Ok(())),
[INFO] [stderr] 57 | |                 &Byte => s.emit_enum_variant("byte", 2, 0, |_| Ok(())),
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |                 }),
[INFO] [stderr] 93 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 54 |             match *self {
[INFO] [stderr] 55 |                 String => s.emit_enum_variant("string", 0, 0, |_| Ok(())),
[INFO] [stderr] 56 |                 Void => s.emit_enum_variant("void", 1, 0, |_| Ok(())),
[INFO] [stderr] 57 |                 Byte => s.emit_enum_variant("byte", 2, 0, |_| Ok(())),
[INFO] [stderr] 58 |                 Bool => s.emit_enum_variant("bool", 3, 0, |_| Ok(())),
[INFO] [stderr] 59 |                 Binary => s.emit_enum_variant("binary", 4, 0, |_| Ok(())),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parser.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 | /         match self {
[INFO] [stderr] 120 | |             &Ty::String => "String".to_string(),
[INFO] [stderr] 121 | |             &Ty::Void => "()".to_string(),
[INFO] [stderr] 122 | |             &Ty::Byte => "u8".to_string(),
[INFO] [stderr] ...   |
[INFO] [stderr] 145 | |             }
[INFO] [stderr] 146 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 119 |         match *self {
[INFO] [stderr] 120 |             Ty::String => "String".to_string(),
[INFO] [stderr] 121 |             Ty::Void => "()".to_string(),
[INFO] [stderr] 122 |             Ty::Byte => "u8".to_string(),
[INFO] [stderr] 123 |             Ty::Bool => "bool".to_string(),
[INFO] [stderr] 124 |             Ty::Binary => "Vec<i8>".to_string(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/parser.rs:549:50
[INFO] [stderr]     |
[INFO] [stderr] 549 |         let pow = pow.map(|i| format!("e{}", i)).unwrap_or("".to_string());
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]     --> src/parser.rs:1386:5
[INFO] [stderr]      |
[INFO] [stderr] 1386 |     assert_eq!(double_constant(b"1.0 ").unwrap().1,  1.0);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]     --> src/parser.rs:1386:5
[INFO] [stderr]      |
[INFO] [stderr] 1386 |     assert_eq!(double_constant(b"1.0 ").unwrap().1,  1.0);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]     --> src/parser.rs:1387:5
[INFO] [stderr]      |
[INFO] [stderr] 1387 |     assert_eq!(double_constant(b"-0.01 ").unwrap().1, -0.01);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]     --> src/parser.rs:1387:5
[INFO] [stderr]      |
[INFO] [stderr] 1387 |     assert_eq!(double_constant(b"-0.01 ").unwrap().1, -0.01);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]     --> src/parser.rs:1388:5
[INFO] [stderr]      |
[INFO] [stderr] 1388 |     assert_eq!(double_constant(b"-1.0e-2 ").unwrap().1, -0.01);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]     --> src/parser.rs:1388:5
[INFO] [stderr]      |
[INFO] [stderr] 1388 |     assert_eq!(double_constant(b"-1.0e-2 ").unwrap().1, -0.01);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]     --> src/parser.rs:1389:5
[INFO] [stderr]      |
[INFO] [stderr] 1389 |     assert_eq!(double_constant(b"-1E2 ").unwrap().1, -100.0);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]     --> src/parser.rs:1389:5
[INFO] [stderr]      |
[INFO] [stderr] 1389 |     assert_eq!(double_constant(b"-1E2 ").unwrap().1, -100.0);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:36:33
[INFO] [stderr]    |
[INFO] [stderr] 36 |       doc.headers.iter().find(|h| match *h {
[INFO] [stderr]    |  _________________________________^
[INFO] [stderr] 37 | |         &Header::Include(_) => false,
[INFO] [stderr] 38 | |         &Header::Namespace(ref n) => n.lang == "rust",
[INFO] [stderr] 39 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 36 |     doc.headers.iter().find(|h| match *(*h) {
[INFO] [stderr] 37 |         Header::Include(_) => false,
[INFO] [stderr] 38 |         Header::Namespace(ref n) => n.lang == "rust",
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 |       ).map(|h| match h {
[INFO] [stderr]    |  _______________^
[INFO] [stderr] 41 | |         &Header::Include(_) => panic!("internal error"),
[INFO] [stderr] 42 | |         &Header::Namespace(ref n) => n,
[INFO] [stderr] 43 | |     })
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ).map(|h| match *h {
[INFO] [stderr] 41 |         Header::Include(_) => panic!("internal error"),
[INFO] [stderr] 42 |         Header::Namespace(ref n) => n,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:53:10
[INFO] [stderr]    |
[INFO] [stderr] 53 |         .ok_or(RenderError::new("Param 0 is required for to_protocol helper."))?;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| RenderError::new("Param 0 is required for to_protocol helper."))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/lib.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     rc.writer.write(ret.as_bytes())?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let param = h.param(0).ok_or(RenderError::new("Param 0 is required for to_rust helper."))?;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| RenderError::new("Param 0 is required for to_rust helper."))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/lib.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     rc.writer.write(ret.as_bytes())?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:80:28
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let param = h.param(0).ok_or(RenderError::new("Param 0 is required for to_literal helper."))?;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| RenderError::new("Param 0 is required for to_literal helper."))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/lib.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     rc.writer.write(ret.as_bytes())?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:101:28
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let param = h.param(0).ok_or(RenderError::new("Param 0 is required for expr helper."))?;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| RenderError::new("Param 0 is required for expr helper."))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     rc.writer.write(expr.as_bytes())?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 | /         match def {
[INFO] [stderr] 157 | |             &Const(ref c)     => gen_const    (c, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 158 | |             &Typedef(ref t)   => gen_typedef  (t, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 159 | |             &Enum(ref e)      => gen_enum     (e, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] ...   |
[INFO] [stderr] 163 | |             &Service(ref s)   => gen_service  (s, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 164 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 156 |         match *def {
[INFO] [stderr] 157 |             Const(ref c)     => gen_const    (c, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 158 |             Typedef(ref t)   => gen_typedef  (t, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 159 |             Enum(ref e)      => gen_enum     (e, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 160 |             Struct(ref s)    => gen_struct   (s, &mut data, wr, &mut handlebars)?,
[INFO] [stderr] 161 |             Union(_)         => return Err(Error::NotSupported("union is not supported yet".to_string())),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tokio-thrift-codegen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a3e1403edac980050577f27895eb524eebacc3ecbf918bb72068f925de127ba9"`
[INFO] running `"docker" "rm" "-f" "a3e1403edac980050577f27895eb524eebacc3ecbf918bb72068f925de127ba9"`
[INFO] [stdout] a3e1403edac980050577f27895eb524eebacc3ecbf918bb72068f925de127ba9