[INFO] updating cached repository yrjok/Raspberry-Pi-Drive-Client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yrjok/Raspberry-Pi-Drive-Client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yrjok/Raspberry-Pi-Drive-Client" "work/ex/clippy-test-run/sources/stable/gh/yrjok/Raspberry-Pi-Drive-Client"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/yrjok/Raspberry-Pi-Drive-Client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yrjok/Raspberry-Pi-Drive-Client" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yrjok/Raspberry-Pi-Drive-Client"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yrjok/Raspberry-Pi-Drive-Client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a93b86e2f57eceb2cba615e3b54e38c7335579b2
[INFO] sha for GitHub repo yrjok/Raspberry-Pi-Drive-Client: a93b86e2f57eceb2cba615e3b54e38c7335579b2
[INFO] validating manifest of yrjok/Raspberry-Pi-Drive-Client 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 yrjok/Raspberry-Pi-Drive-Client 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 yrjok/Raspberry-Pi-Drive-Client
[INFO] finished frobbing yrjok/Raspberry-Pi-Drive-Client
[INFO] frobbed toml for yrjok/Raspberry-Pi-Drive-Client written to work/ex/clippy-test-run/sources/stable/gh/yrjok/Raspberry-Pi-Drive-Client/Cargo.toml
[INFO] started frobbing yrjok/Raspberry-Pi-Drive-Client
[INFO] finished frobbing yrjok/Raspberry-Pi-Drive-Client
[INFO] frobbed toml for yrjok/Raspberry-Pi-Drive-Client written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yrjok/Raspberry-Pi-Drive-Client/Cargo.toml
[INFO] crate yrjok/Raspberry-Pi-Drive-Client has a lockfile. skipping
[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 yrjok/Raspberry-Pi-Drive-Client against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/yrjok/Raspberry-Pi-Drive-Client:/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] 9690c5146af2d445e0bb04f8e61dde488a926cd00e3a3be1cee4f79e8fc1eaa2
[INFO] running `"docker" "start" "-a" "9690c5146af2d445e0bb04f8e61dde488a926cd00e3a3be1cee4f79e8fc1eaa2"`
[INFO] [stderr]     Checking rapid_client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/input.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     if let Ok(n) = res {
[INFO] [stderr]   |               ^ help: consider using `_n` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DISCONNECT`
[INFO] [stderr]  --> src/communication.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     DISCONNECT,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MESSAGE`
[INFO] [stderr]   --> src/communication.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     MESSAGE(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/communication.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 self.connection.shutdown(Shutdown::Both);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/communication.rs:77:20
[INFO] [stderr]    |
[INFO] [stderr] 77 |               if let Err(_) = writer.write_all(payload.as_bytes()) {
[INFO] [stderr]    |  _____________-      ^^^^^^
[INFO] [stderr] 78 | |                 return Err("Failed to send message to server.")
[INFO] [stderr] 79 | |             }
[INFO] [stderr]    | |_____________- help: try this: `if writer.write_all(payload.as_bytes()).is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/communication.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut entries = response.split("\t");
[INFO] [stderr]    |                                          ^^^^ help: try using a char instead: `'\t'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/communication.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |         if args.len() == 0 { return Err("Input is empty.")}
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.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: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]  --> src/main.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 |     if let Some(host) = env::args().skip(1).next() {
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/input.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     if let Ok(n) = res {
[INFO] [stderr]   |               ^ help: consider using `_n` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DISCONNECT`
[INFO] [stderr]  --> src/communication.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     DISCONNECT,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MESSAGE`
[INFO] [stderr]   --> src/communication.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     MESSAGE(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/communication.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 self.connection.shutdown(Shutdown::Both);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/communication.rs:77:20
[INFO] [stderr]    |
[INFO] [stderr] 77 |               if let Err(_) = writer.write_all(payload.as_bytes()) {
[INFO] [stderr]    |  _____________-      ^^^^^^
[INFO] [stderr] 78 | |                 return Err("Failed to send message to server.")
[INFO] [stderr] 79 | |             }
[INFO] [stderr]    | |_____________- help: try this: `if writer.write_all(payload.as_bytes()).is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/communication.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut entries = response.split("\t");
[INFO] [stderr]    |                                          ^^^^ help: try using a char instead: `'\t'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/communication.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |         if args.len() == 0 { return Err("Input is empty.")}
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.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: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]  --> src/main.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 |     if let Some(host) = env::args().skip(1).next() {
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "9690c5146af2d445e0bb04f8e61dde488a926cd00e3a3be1cee4f79e8fc1eaa2"`
[INFO] running `"docker" "rm" "-f" "9690c5146af2d445e0bb04f8e61dde488a926cd00e3a3be1cee4f79e8fc1eaa2"`
[INFO] [stdout] 9690c5146af2d445e0bb04f8e61dde488a926cd00e3a3be1cee4f79e8fc1eaa2