[INFO] crate libflo_cmdline_host 0.1.2 is already in cache
[INFO] extracting crate libflo_cmdline_host 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/libflo_cmdline_host/0.1.2
[INFO] extracting crate libflo_cmdline_host 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/libflo_cmdline_host/0.1.2
[INFO] validating manifest of libflo_cmdline_host-0.1.2 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 libflo_cmdline_host-0.1.2 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 libflo_cmdline_host-0.1.2
[INFO] removed path dependency libflo from libflo_cmdline_host-0.1.2
[INFO] removed path dependency libflo_dynamic_event from libflo_cmdline_host-0.1.2
[INFO] removed path dependency libflo_event from libflo_cmdline_host-0.1.2
[INFO] removed path dependency libflo_func from libflo_cmdline_host-0.1.2
[INFO] removed path dependency libflo_module from libflo_cmdline_host-0.1.2
[INFO] finished frobbing libflo_cmdline_host-0.1.2
[INFO] frobbed toml for libflo_cmdline_host-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/libflo_cmdline_host/0.1.2/Cargo.toml
[INFO] started frobbing libflo_cmdline_host-0.1.2
[INFO] removed path dependency libflo from libflo_cmdline_host-0.1.2
[INFO] removed path dependency libflo_dynamic_event from libflo_cmdline_host-0.1.2
[INFO] removed path dependency libflo_event from libflo_cmdline_host-0.1.2
[INFO] removed path dependency libflo_func from libflo_cmdline_host-0.1.2
[INFO] removed path dependency libflo_module from libflo_cmdline_host-0.1.2
[INFO] finished frobbing libflo_cmdline_host-0.1.2
[INFO] frobbed toml for libflo_cmdline_host-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/libflo_cmdline_host/0.1.2/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 libflo_cmdline_host-0.1.2 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/libflo_cmdline_host/0.1.2:/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] 35dad8b32ece9ed8445ba097bf047b0172147a8cddc1b8c26b63d5d39dcf5e2d
[INFO] running `"docker" "start" "-a" "35dad8b32ece9ed8445ba097bf047b0172147a8cddc1b8c26b63d5d39dcf5e2d"`
[INFO] [stderr]    Compiling sharedlib v6.0.0
[INFO] [stderr]     Checking libflo_error v0.1.2
[INFO] [stderr]    Compiling libflo_module v0.1.2
[INFO] [stderr]    Compiling libflo_func v0.1.2
[INFO] [stderr]    Compiling libflo_event v0.1.2
[INFO] [stderr]    Compiling libflo_dynamic_event v0.1.2
[INFO] [stderr]     Checking libflo v0.1.2
[INFO] [stderr]     Checking libflo_cmdline_host v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/backend/program.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             libflo: libflo,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `libflo`
[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/backend/program.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             error_stream: error_stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `error_stream`
[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/backend/startup.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             payload: payload,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `payload`
[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/backend/startup.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             in_stream: in_stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `in_stream`
[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]   --> src/backend/program.rs:26:13
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    |
[INFO] [stderr] 26 |             libflo: libflo,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `libflo`
[INFO] [stderr]   --> src/backend/startup.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             out_stream: out_stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `out_stream`
[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]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/backend/startup.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             error_stream: error_stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `error_stream`
[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]    = 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/backend/program.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             error_stream: error_stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `error_stream`
[INFO] [stderr]    |
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/payload.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             dynamic_event_mapper: dynamic_event_mapper,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `dynamic_event_mapper`
[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]    = 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/backend/startup.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             payload: payload,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `payload`
[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/backend/startup.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             in_stream: in_stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `in_stream`
[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/backend/startup.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             out_stream: out_stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `out_stream`
[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/backend/startup.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             error_stream: error_stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `error_stream`
[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/payload.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             dynamic_event_mapper: dynamic_event_mapper,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `dynamic_event_mapper`
[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/payload.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             event_mapper: event_mapper,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `event_mapper`
[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/payload.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             func_mapper: func_mapper,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `func_mapper`
[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/payload.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             module_mapper: module_mapper,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `module_mapper`
[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/payload.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             path_resolver: path_resolver,
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/payload.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             event_mapper: event_mapper,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `event_mapper`
[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/payload.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             func_mapper: func_mapper,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `func_mapper`
[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/payload.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             module_mapper: module_mapper,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `module_mapper`
[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/payload.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             path_resolver: path_resolver,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `path_resolver`
[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/test/util/clone_reader.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 |         CloneReader{ reader: reader }
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^ help: replace it with: `reader`
[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/test/util/clone_writer.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |         CloneWriter{ writer: writer }
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^ help: replace it with: `writer`
[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/test/util/reading_end.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |         ReadingEnd{ locking_stream: locking_stream, position: 0 }
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `locking_stream`
[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/test/util/stream_pair_startup.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             startup: startup,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `startup`
[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/test/util/stream_pair_startup.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             input_into_program: input_into_program,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `input_into_program`
[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/test/util/stream_pair_startup.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             output_from_program: output_from_program,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `output_from_program`
[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/test/util/writing_end.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |         WritingEnd{ locking_stream: locking_stream, position: 0 }
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `locking_stream`
[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]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `path_resolver`
[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/backend/program.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         return Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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/backend/program.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         return Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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: redundant closure found
[INFO] [stderr]   --> src/backend/execute.rs:28:44
[INFO] [stderr]    |
[INFO] [stderr] 28 |             func.call(Input::None).map_err(|err| Error::from(err))?;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::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: redundant closure found
[INFO] [stderr]   --> src/backend/execute.rs:32:50
[INFO] [stderr]    |
[INFO] [stderr] 32 |             match func.call(Input::None).map_err(|err| Error::from(err))? {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::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: redundant closure found
[INFO] [stderr]   --> src/backend/execute.rs:38:51
[INFO] [stderr]    |
[INFO] [stderr] 38 |             func.call(Input::String(arg)).map_err(|err| Error::from(err))?;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::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: redundant closure found
[INFO] [stderr]   --> src/backend/execute.rs:43:57
[INFO] [stderr]    |
[INFO] [stderr] 43 |             match func.call(Input::String(arg)).map_err(|err| Error::from(err))? {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::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: identical conversion
[INFO] [stderr]   --> src/backend/execute.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut words = words.into_iter();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `words`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/backend/execute.rs:66:70
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     let arg = String::from_utf8(line.as_bytes()[1..].into_iter().cloned().collect())?;
[INFO] [stderr]    |                                                                      ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/backend/program.rs:87:28
[INFO] [stderr]    |
[INFO] [stderr] 87 |             result.map_err(|err| Error::from(err))?;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/backend/startup.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn destructure(self) -> (Payload, Box<Read>, Box<Write + Send + Sync>, Box<Write>) {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/test/util/clone_reader.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(reader: T) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/backend/execute.rs:28:44
[INFO] [stderr]    |
[INFO] [stderr] 28 |             func.call(Input::None).map_err(|err| Error::from(err))?;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::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: redundant closure found
[INFO] [stderr]   --> src/backend/execute.rs:32:50
[INFO] [stderr]    |
[INFO] [stderr] 32 |             match func.call(Input::None).map_err(|err| Error::from(err))? {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::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: redundant closure found
[INFO] [stderr]   --> src/backend/execute.rs:38:51
[INFO] [stderr]    |
[INFO] [stderr] 38 |             func.call(Input::String(arg)).map_err(|err| Error::from(err))?;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::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: redundant closure found
[INFO] [stderr]   --> src/backend/execute.rs:43:57
[INFO] [stderr]    |
[INFO] [stderr] 43 |             match func.call(Input::String(arg)).map_err(|err| Error::from(err))? {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::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: identical conversion
[INFO] [stderr]   --> src/backend/execute.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut words = words.into_iter();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `words`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/backend/execute.rs:66:70
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     let arg = String::from_utf8(line.as_bytes()[1..].into_iter().cloned().collect())?;
[INFO] [stderr]    |                                                                      ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/backend/program.rs:87:28
[INFO] [stderr]    |
[INFO] [stderr] 87 |             result.map_err(|err| Error::from(err))?;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/backend/startup.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn destructure(self) -> (Payload, Box<Read>, Box<Write + Send + Sync>, Box<Write>) {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/test/util/stream_pair.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn to_pair(self) -> (ReadingEnd, WritingEnd) {
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.68s
[INFO] running `"docker" "inspect" "35dad8b32ece9ed8445ba097bf047b0172147a8cddc1b8c26b63d5d39dcf5e2d"`
[INFO] running `"docker" "rm" "-f" "35dad8b32ece9ed8445ba097bf047b0172147a8cddc1b8c26b63d5d39dcf5e2d"`
[INFO] [stdout] 35dad8b32ece9ed8445ba097bf047b0172147a8cddc1b8c26b63d5d39dcf5e2d