[INFO] crate tokio-i2c 0.1.0 is already in cache
[INFO] extracting crate tokio-i2c 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/tokio-i2c/0.1.0
[INFO] extracting crate tokio-i2c 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tokio-i2c/0.1.0
[INFO] validating manifest of tokio-i2c-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-i2c-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-i2c-0.1.0
[INFO] finished frobbing tokio-i2c-0.1.0
[INFO] frobbed toml for tokio-i2c-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/tokio-i2c/0.1.0/Cargo.toml
[INFO] started frobbing tokio-i2c-0.1.0
[INFO] finished frobbing tokio-i2c-0.1.0
[INFO] frobbed toml for tokio-i2c-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tokio-i2c/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-i2c-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-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/tokio-i2c/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] 417b84c9cc0aae62c9fb0c952fcfab157f73e7d0a35f65e94ca23e8a2a6e06d9
[INFO] running `"docker" "start" "-a" "417b84c9cc0aae62c9fb0c952fcfab157f73e7d0a35f65e94ca23e8a2a6e06d9"`
[INFO] [stderr]     Checking i2c-linux-sys v0.2.0
[INFO] [stderr]     Checking tokio-i2c v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:459:8
[INFO] [stderr]     |
[INFO] [stderr] 459 |                             address: address,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: replace it with: `address`
[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:464:8
[INFO] [stderr]     |
[INFO] [stderr] 464 |                             address: address,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: replace it with: `address`
[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:521:9
[INFO] [stderr]     |
[INFO] [stderr] 521 |                                 address: address,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: replace it with: `address`
[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:526:9
[INFO] [stderr]     |
[INFO] [stderr] 526 |                                 address: address,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: replace it with: `address`
[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:539:9
[INFO] [stderr]     |
[INFO] [stderr] 539 |                                 address: address,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: replace it with: `address`
[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:459:8
[INFO] [stderr]     |
[INFO] [stderr] 459 |                             address: address,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: replace it with: `address`
[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:464:8
[INFO] [stderr]     |
[INFO] [stderr] 464 |                             address: address,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: replace it with: `address`
[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:521:9
[INFO] [stderr]     |
[INFO] [stderr] 521 |                                 address: address,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: replace it with: `address`
[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:526:9
[INFO] [stderr]     |
[INFO] [stderr] 526 |                                 address: address,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: replace it with: `address`
[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:539:9
[INFO] [stderr]     |
[INFO] [stderr] 539 |                                 address: address,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: replace it with: `address`
[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: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:483:10
[INFO] [stderr]     |
[INFO] [stderr] 483 |                         Ok(data.truncate(len))
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 483 |                         Ok(())
[INFO] [stderr]     |                            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:579:7
[INFO] [stderr]     |
[INFO] [stderr] 579 |             Ok(message.data.truncate(msg.len as usize))
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 579 |             Ok(())
[INFO] [stderr]     |                ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:604:9
[INFO] [stderr]     |
[INFO] [stderr] 604 |                     Ok(data.truncate(len))
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 604 |                     Ok(())
[INFO] [stderr]     |                        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `write` doesn't need a mutable reference
[INFO] [stderr]    --> src/lib.rs:631:21
[INFO] [stderr]     |
[INFO] [stderr] 631 |             master.bus.write(&mut data.as_mut_slice()).and_then(|len|
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:635:9
[INFO] [stderr]     |
[INFO] [stderr] 635 |                     Ok(data.drain().take(len).for_each(drop))
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 635 |                     Ok(())
[INFO] [stderr]     |                        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/lib.rs:681:46
[INFO] [stderr]     |
[INFO] [stderr] 681 |               i2c_smbus_write_quick(master.as_raw_fd(), match self.read_bit {
[INFO] [stderr]     |  _______________________________________________________^
[INFO] [stderr] 682 | |                 true => i2c_linux_sys::SmbusReadWrite::Read,
[INFO] [stderr] 683 | |                 false => i2c_linux_sys::SmbusReadWrite::Write,
[INFO] [stderr] 684 | |             })
[INFO] [stderr]     | |_____________^ help: consider using an if/else expression: `if self.read_bit { i2c_linux_sys::SmbusReadWrite::Read } else { i2c_linux_sys::SmbusReadWrite::Write }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:875:8
[INFO] [stderr]     |
[INFO] [stderr] 875 |                 Ok(data.truncate(len))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 875 |                 Ok(())
[INFO] [stderr]     |                    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:938:10
[INFO] [stderr]     |
[INFO] [stderr] 938 |                         Ok(read_data.truncate(len))
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 938 |                         Ok(())
[INFO] [stderr]     |                            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:483:10
[INFO] [stderr]     |
[INFO] [stderr] 483 |                         Ok(data.truncate(len))
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 483 |                         Ok(())
[INFO] [stderr]     |                            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:579:7
[INFO] [stderr]     |
[INFO] [stderr] 579 |             Ok(message.data.truncate(msg.len as usize))
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 579 |             Ok(())
[INFO] [stderr]     |                ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:604:9
[INFO] [stderr]     |
[INFO] [stderr] 604 |                     Ok(data.truncate(len))
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 604 |                     Ok(())
[INFO] [stderr]     |                        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `write` doesn't need a mutable reference
[INFO] [stderr]    --> src/lib.rs:631:21
[INFO] [stderr]     |
[INFO] [stderr] 631 |             master.bus.write(&mut data.as_mut_slice()).and_then(|len|
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:635:9
[INFO] [stderr]     |
[INFO] [stderr] 635 |                     Ok(data.drain().take(len).for_each(drop))
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 635 |                     Ok(())
[INFO] [stderr]     |                        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/lib.rs:681:46
[INFO] [stderr]     |
[INFO] [stderr] 681 |               i2c_smbus_write_quick(master.as_raw_fd(), match self.read_bit {
[INFO] [stderr]     |  _______________________________________________________^
[INFO] [stderr] 682 | |                 true => i2c_linux_sys::SmbusReadWrite::Read,
[INFO] [stderr] 683 | |                 false => i2c_linux_sys::SmbusReadWrite::Write,
[INFO] [stderr] 684 | |             })
[INFO] [stderr]     | |_____________^ help: consider using an if/else expression: `if self.read_bit { i2c_linux_sys::SmbusReadWrite::Read } else { i2c_linux_sys::SmbusReadWrite::Write }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:875:8
[INFO] [stderr]     |
[INFO] [stderr] 875 |                 Ok(data.truncate(len))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 875 |                 Ok(())
[INFO] [stderr]     |                    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:938:10
[INFO] [stderr]     |
[INFO] [stderr] 938 |                         Ok(read_data.truncate(len))
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 938 |                         Ok(())
[INFO] [stderr]     |                            ^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `"docker" "inspect" "417b84c9cc0aae62c9fb0c952fcfab157f73e7d0a35f65e94ca23e8a2a6e06d9"`
[INFO] running `"docker" "rm" "-f" "417b84c9cc0aae62c9fb0c952fcfab157f73e7d0a35f65e94ca23e8a2a6e06d9"`
[INFO] [stdout] 417b84c9cc0aae62c9fb0c952fcfab157f73e7d0a35f65e94ca23e8a2a6e06d9