[INFO] crate mime_multipart 0.5.1 is already in cache
[INFO] extracting crate mime_multipart 0.5.1 into work/ex/clippy-test-run/sources/stable/reg/mime_multipart/0.5.1
[INFO] extracting crate mime_multipart 0.5.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mime_multipart/0.5.1
[INFO] validating manifest of mime_multipart-0.5.1 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 mime_multipart-0.5.1 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 mime_multipart-0.5.1
[INFO] finished frobbing mime_multipart-0.5.1
[INFO] frobbed toml for mime_multipart-0.5.1 written to work/ex/clippy-test-run/sources/stable/reg/mime_multipart/0.5.1/Cargo.toml
[INFO] started frobbing mime_multipart-0.5.1
[INFO] finished frobbing mime_multipart-0.5.1
[INFO] frobbed toml for mime_multipart-0.5.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mime_multipart/0.5.1/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 mime_multipart-0.5.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/mime_multipart/0.5.1:/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] 28215c13f0367e75dcb41bccc739cbf00e201375d75154dce1867ed53067c7f7
[INFO] running `"docker" "start" "-a" "28215c13f0367e75dcb41bccc739cbf00e201375d75154dce1867ed53067c7f7"`
[INFO] [stderr]     Checking mime_multipart v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             headers: headers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `headers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             headers: headers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `headers`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             path: path,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `path`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             tempdir: tempdir,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `tempdir`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             headers: headers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `headers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             headers: headers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `headers`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             path: path,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `path`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             tempdir: tempdir,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `tempdir`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/error.rs:81:18
[INFO] [stderr]    |
[INFO] [stderr] 81 |             _ => format!("{}", self.description()).fmt(f),
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `self.description().to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: redundant closure found
[INFO] [stderr]    --> src/lib.rs:168:52
[INFO] [stderr]     |
[INFO] [stderr] 168 |             Headers::from_raw(raw_headers).map_err(|e| From::from(e))
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `From::from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:226:17
[INFO] [stderr]     |
[INFO] [stderr] 226 |         else if peeker.len() > 0 && peeker[0]==b'\n' {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!peeker.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:263:60
[INFO] [stderr]     |
[INFO] [stderr] 263 |                     Headers::from_raw(raw_headers).map_err(|e| From::from(e))
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `From::from`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:294:59
[INFO] [stderr]     |
[INFO] [stderr] 294 |                       cd.unwrap().parameters.iter().any(|x| match x {
[INFO] [stderr]     |  ___________________________________________________________^
[INFO] [stderr] 295 | |                         &DispositionParam::Filename(_,_,_) => true,
[INFO] [stderr] 296 | |                         _ => false
[INFO] [stderr] 297 | |                     })
[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] 294 |                     cd.unwrap().parameters.iter().any(|x| match *x {
[INFO] [stderr] 295 |                         DispositionParam::Filename(_,_,_) => true,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:432:15
[INFO] [stderr]     |
[INFO] [stderr] 432 |     boundary: &Vec<u8>,
[INFO] [stderr]     |               ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:433:12
[INFO] [stderr]     |
[INFO] [stderr] 433 |     nodes: &Vec<Node>)
[INFO] [stderr]     |            ^^^^^^^^^^ help: change this to: `&[Node]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:444:9
[INFO] [stderr]     |
[INFO] [stderr] 444 | /         match node {
[INFO] [stderr] 445 | |             &Node::Part(ref part) => {
[INFO] [stderr] 446 | |                 // write the part's headers
[INFO] [stderr] 447 | |                 for header in part.headers.iter() {
[INFO] [stderr] ...   |
[INFO] [stderr] 493 | |             },
[INFO] [stderr] 494 | |         }
[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] 444 |         match *node {
[INFO] [stderr] 445 |             Node::Part(ref part) => {
[INFO] [stderr] 446 |                 // write the part's headers
[INFO] [stderr] 447 |                 for header in part.headers.iter() {
[INFO] [stderr] 448 |                     count += try!(stream.write_all_count(header.name().as_bytes()));
[INFO] [stderr] 449 |                     count += try!(stream.write_all_count(b": "));
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:523:15
[INFO] [stderr]     |
[INFO] [stderr] 523 |     boundary: &Vec<u8>,
[INFO] [stderr]     |               ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:524:12
[INFO] [stderr]     |
[INFO] [stderr] 524 |     nodes: &Vec<Node>)
[INFO] [stderr]     |            ^^^^^^^^^^ help: change this to: `&[Node]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:533:9
[INFO] [stderr]     |
[INFO] [stderr] 533 | /         match node {
[INFO] [stderr] 534 | |             &Node::Part(ref part) => {
[INFO] [stderr] 535 | |                 // write the part's headers
[INFO] [stderr] 536 | |                 for header in part.headers.iter() {
[INFO] [stderr] ...   |
[INFO] [stderr] 587 | |             },
[INFO] [stderr] 588 | |         }
[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] 533 |         match *node {
[INFO] [stderr] 534 |             Node::Part(ref part) => {
[INFO] [stderr] 535 |                 // write the part's headers
[INFO] [stderr] 536 |                 for header in part.headers.iter() {
[INFO] [stderr] 537 |                     try!(write_chunk(stream, header.name().as_bytes()));
[INFO] [stderr] 538 |                     try!(write_chunk(stream, b": "));
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:568:17
[INFO] [stderr]     |
[INFO] [stderr] 568 |                 try!(stream.write(b"\r\n"));
[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]     = 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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/error.rs:81:18
[INFO] [stderr]    |
[INFO] [stderr] 81 |             _ => format!("{}", self.description()).fmt(f),
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `self.description().to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: Could not compile `mime_multipart`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:168:52
[INFO] [stderr]     |
[INFO] [stderr] 168 |             Headers::from_raw(raw_headers).map_err(|e| From::from(e))
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `From::from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:226:17
[INFO] [stderr]     |
[INFO] [stderr] 226 |         else if peeker.len() > 0 && peeker[0]==b'\n' {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!peeker.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:263:60
[INFO] [stderr]     |
[INFO] [stderr] 263 |                     Headers::from_raw(raw_headers).map_err(|e| From::from(e))
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `From::from`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:294:59
[INFO] [stderr]     |
[INFO] [stderr] 294 |                       cd.unwrap().parameters.iter().any(|x| match x {
[INFO] [stderr]     |  ___________________________________________________________^
[INFO] [stderr] 295 | |                         &DispositionParam::Filename(_,_,_) => true,
[INFO] [stderr] 296 | |                         _ => false
[INFO] [stderr] 297 | |                     })
[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] 294 |                     cd.unwrap().parameters.iter().any(|x| match *x {
[INFO] [stderr] 295 |                         DispositionParam::Filename(_,_,_) => true,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:432:15
[INFO] [stderr]     |
[INFO] [stderr] 432 |     boundary: &Vec<u8>,
[INFO] [stderr]     |               ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:433:12
[INFO] [stderr]     |
[INFO] [stderr] 433 |     nodes: &Vec<Node>)
[INFO] [stderr]     |            ^^^^^^^^^^ help: change this to: `&[Node]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:444:9
[INFO] [stderr]     |
[INFO] [stderr] 444 | /         match node {
[INFO] [stderr] 445 | |             &Node::Part(ref part) => {
[INFO] [stderr] 446 | |                 // write the part's headers
[INFO] [stderr] 447 | |                 for header in part.headers.iter() {
[INFO] [stderr] ...   |
[INFO] [stderr] 493 | |             },
[INFO] [stderr] 494 | |         }
[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] 444 |         match *node {
[INFO] [stderr] 445 |             Node::Part(ref part) => {
[INFO] [stderr] 446 |                 // write the part's headers
[INFO] [stderr] 447 |                 for header in part.headers.iter() {
[INFO] [stderr] 448 |                     count += try!(stream.write_all_count(header.name().as_bytes()));
[INFO] [stderr] 449 |                     count += try!(stream.write_all_count(b": "));
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:523:15
[INFO] [stderr]     |
[INFO] [stderr] 523 |     boundary: &Vec<u8>,
[INFO] [stderr]     |               ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:524:12
[INFO] [stderr]     |
[INFO] [stderr] 524 |     nodes: &Vec<Node>)
[INFO] [stderr]     |            ^^^^^^^^^^ help: change this to: `&[Node]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:533:9
[INFO] [stderr]     |
[INFO] [stderr] 533 | /         match node {
[INFO] [stderr] 534 | |             &Node::Part(ref part) => {
[INFO] [stderr] 535 | |                 // write the part's headers
[INFO] [stderr] 536 | |                 for header in part.headers.iter() {
[INFO] [stderr] ...   |
[INFO] [stderr] 587 | |             },
[INFO] [stderr] 588 | |         }
[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] 533 |         match *node {
[INFO] [stderr] 534 |             Node::Part(ref part) => {
[INFO] [stderr] 535 |                 // write the part's headers
[INFO] [stderr] 536 |                 for header in part.headers.iter() {
[INFO] [stderr] 537 |                     try!(write_chunk(stream, header.name().as_bytes()));
[INFO] [stderr] 538 |                     try!(write_chunk(stream, b": "));
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:568:17
[INFO] [stderr]     |
[INFO] [stderr] 568 |                 try!(stream.write(b"\r\n"));
[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]     = 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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mime_multipart`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "28215c13f0367e75dcb41bccc739cbf00e201375d75154dce1867ed53067c7f7"`
[INFO] running `"docker" "rm" "-f" "28215c13f0367e75dcb41bccc739cbf00e201375d75154dce1867ed53067c7f7"`
[INFO] [stdout] 28215c13f0367e75dcb41bccc739cbf00e201375d75154dce1867ed53067c7f7