[INFO] crate tk-sendfile 0.4.0 is already in cache
[INFO] extracting crate tk-sendfile 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/tk-sendfile/0.4.0
[INFO] extracting crate tk-sendfile 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tk-sendfile/0.4.0
[INFO] validating manifest of tk-sendfile-0.4.0 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 tk-sendfile-0.4.0 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 tk-sendfile-0.4.0
[INFO] finished frobbing tk-sendfile-0.4.0
[INFO] frobbed toml for tk-sendfile-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/tk-sendfile/0.4.0/Cargo.toml
[INFO] started frobbing tk-sendfile-0.4.0
[INFO] finished frobbing tk-sendfile-0.4.0
[INFO] frobbed toml for tk-sendfile-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tk-sendfile/0.4.0/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 tk-sendfile-0.4.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/tk-sendfile/0.4.0:/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] 739ff8042d001122bb67cc5fcccacd0c32bf4c097d10a4280ec7c3ba0afccb08
[INFO] running `"docker" "start" "-a" "739ff8042d001122bb67cc5fcccacd0c32bf4c097d10a4280ec7c3ba0afccb08"`
[INFO] [stderr]     Checking tk-sendfile v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             pool: pool,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `pool`
[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:224:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 file: file,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `file`
[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:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 pool: pool,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `pool`
[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:228:17
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 size: size,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `size`
[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:234:21
[INFO] [stderr]     |
[INFO] [stderr] 234 |                     file: file,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `file`
[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:235:21
[INFO] [stderr]     |
[INFO] [stderr] 235 |                     pool: pool,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `pool`
[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:238:21
[INFO] [stderr]     |
[INFO] [stderr] 238 |                     size: size,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `size`
[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:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             pool: pool,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `pool`
[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:224:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 file: file,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `file`
[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:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 pool: pool,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `pool`
[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:228:17
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 size: size,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `size`
[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:234:21
[INFO] [stderr]     |
[INFO] [stderr] 234 |                     file: file,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `file`
[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:235:21
[INFO] [stderr]     |
[INFO] [stderr] 235 |                     pool: pool,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `pool`
[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:238:21
[INFO] [stderr]     |
[INFO] [stderr] 238 |                     size: size,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `size`
[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: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         return self.size;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:292:9
[INFO] [stderr]     |
[INFO] [stderr] 292 |         return &self.file;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&self.file`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         return &mut self.file;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&mut self.file`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::BoxFuture': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]   --> src/lib.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 | use futures::{Future, Poll, Async, BoxFuture, finished, failed};
[INFO] [stderr]    |                                    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::BoxFuture': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |         -> BoxFuture<Sendfile<F::Opener>, io::Error>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::BoxFuture': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:246:12
[INFO] [stderr]     |
[INFO] [stderr] 246 |         -> futures::BoxFuture<D, io::Error>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:217:34
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 return failed(e).boxed();
[INFO] [stderr]     |                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:229:16
[INFO] [stderr]     |
[INFO] [stderr] 229 |             }).boxed()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:241:16
[INFO] [stderr]     |
[INFO] [stderr] 241 |             }).boxed()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:250:71
[INFO] [stderr]     |
[INFO] [stderr] 250 |         self.open(file).and_then(|file| file.write_into(destination)).boxed()
[INFO] [stderr]     |                                                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         return self.size;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:292:9
[INFO] [stderr]     |
[INFO] [stderr] 292 |         return &self.file;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&self.file`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         return &mut self.file;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&mut self.file`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::BoxFuture': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]   --> src/lib.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 | use futures::{Future, Poll, Async, BoxFuture, finished, failed};
[INFO] [stderr]    |                                    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::BoxFuture': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |         -> BoxFuture<Sendfile<F::Opener>, io::Error>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::BoxFuture': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:246:12
[INFO] [stderr]     |
[INFO] [stderr] 246 |         -> futures::BoxFuture<D, io::Error>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:319:32
[INFO] [stderr]     |
[INFO] [stderr] 319 |                             if target_slice.len() == 0 {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `target_slice.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: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:217:34
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 return failed(e).boxed();
[INFO] [stderr]     |                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:229:16
[INFO] [stderr]     |
[INFO] [stderr] 229 |             }).boxed()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:241:16
[INFO] [stderr]     |
[INFO] [stderr] 241 |             }).boxed()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:250:71
[INFO] [stderr]     |
[INFO] [stderr] 250 |         self.open(file).and_then(|file| file.write_into(destination)).boxed()
[INFO] [stderr]     |                                                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:319:32
[INFO] [stderr]     |
[INFO] [stderr] 319 |                             if target_slice.len() == 0 {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `target_slice.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: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> examples/send_myself.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let addr = env::args().nth(1).unwrap_or("127.0.0.1:7777".to_string());
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "127.0.0.1:7777".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]     Finished dev [unoptimized + debuginfo] target(s) in 9.17s
[INFO] running `"docker" "inspect" "739ff8042d001122bb67cc5fcccacd0c32bf4c097d10a4280ec7c3ba0afccb08"`
[INFO] running `"docker" "rm" "-f" "739ff8042d001122bb67cc5fcccacd0c32bf4c097d10a4280ec7c3ba0afccb08"`
[INFO] [stdout] 739ff8042d001122bb67cc5fcccacd0c32bf4c097d10a4280ec7c3ba0afccb08