[INFO] updating cached repository generalproxy/rustoxy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/generalproxy/rustoxy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/generalproxy/rustoxy" "work/ex/clippy-test-run/sources/stable/gh/generalproxy/rustoxy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/generalproxy/rustoxy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/generalproxy/rustoxy" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/generalproxy/rustoxy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/generalproxy/rustoxy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb39b38f18352797ae54efc63ed519eef3b3e1d5
[INFO] sha for GitHub repo generalproxy/rustoxy: bb39b38f18352797ae54efc63ed519eef3b3e1d5
[INFO] validating manifest of generalproxy/rustoxy 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 generalproxy/rustoxy 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 generalproxy/rustoxy
[INFO] finished frobbing generalproxy/rustoxy
[INFO] frobbed toml for generalproxy/rustoxy written to work/ex/clippy-test-run/sources/stable/gh/generalproxy/rustoxy/Cargo.toml
[INFO] started frobbing generalproxy/rustoxy
[INFO] finished frobbing generalproxy/rustoxy
[INFO] frobbed toml for generalproxy/rustoxy written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/generalproxy/rustoxy/Cargo.toml
[INFO] crate generalproxy/rustoxy 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 generalproxy/rustoxy against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/generalproxy/rustoxy:/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] a9d5588f5bd7a5cb0cc8a0de3f38a696d0dc447c6941732614ad63c786496a1c
[INFO] running `"docker" "start" "-a" "a9d5588f5bd7a5cb0cc8a0de3f38a696d0dc447c6941732614ad63c786496a1c"`
[INFO] [stderr]     Checking atty v0.2.9
[INFO] [stderr]     Checking env_logger v0.5.9
[INFO] [stderr]     Checking rustoxy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/client.rs:218:21
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let e = ((buf[8] as u16) << 8) | (buf[9] as u16);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/client.rs:219:21
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 let f = ((buf[10] as u16) << 8) | (buf[11] as u16);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/client.rs:220:21
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 let g = ((buf[12] as u16) << 8) | (buf[13] as u16);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/client.rs:221:21
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 let h = ((buf[14] as u16) << 8) | (buf[15] as u16);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/client.rs:218:21
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let e = ((buf[8] as u16) << 8) | (buf[9] as u16);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/client.rs:219:21
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 let f = ((buf[10] as u16) << 8) | (buf[11] as u16);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/client.rs:220:21
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 let g = ((buf[12] as u16) << 8) | (buf[13] as u16);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/client.rs:221:21
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 let h = ((buf[14] as u16) << 8) | (buf[15] as u16);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/client.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         result
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/client.rs:148:22
[INFO] [stderr]     |
[INFO] [stderr] 148 |           let result = pair.and_then(|(c1, c2)| 
[INFO] [stderr]     |  ______________________^
[INFO] [stderr] 149 | |             transfer(new_tcpendpoint(c1), new_tcpendpoint(c2)));
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/client.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         result
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/client.rs:148:22
[INFO] [stderr]     |
[INFO] [stderr] 148 |           let result = pair.and_then(|(c1, c2)| 
[INFO] [stderr]     |  ______________________^
[INFO] [stderr] 149 | |             transfer(new_tcpendpoint(c1), new_tcpendpoint(c2)));
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:204:29
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 let port = ((buf[4] as u16) << 8) | (buf[5] as u16);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[4])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:204:53
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 let port = ((buf[4] as u16) << 8) | (buf[5] as u16);
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[5])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:214:26
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let a = ((buf[0] as u16) << 8) | (buf[1] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:214:50
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let a = ((buf[0] as u16) << 8) | (buf[1] as u16);
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:215:26
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 let b = ((buf[2] as u16) << 8) | (buf[3] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[2])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:215:50
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 let b = ((buf[2] as u16) << 8) | (buf[3] as u16);
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[3])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:216:26
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 let c = ((buf[4] as u16) << 8) | (buf[5] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[4])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:216:50
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 let c = ((buf[4] as u16) << 8) | (buf[5] as u16);
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[5])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:217:26
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 let d = ((buf[6] as u16) << 8) | (buf[7] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[6])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:217:50
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 let d = ((buf[6] as u16) << 8) | (buf[7] as u16);
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[7])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:218:26
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let e = ((buf[8] as u16) << 8) | (buf[9] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[8])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:218:50
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let e = ((buf[8] as u16) << 8) | (buf[9] as u16);
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[9])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:219:26
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 let f = ((buf[10] as u16) << 8) | (buf[11] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[10])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:219:51
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 let f = ((buf[10] as u16) << 8) | (buf[11] as u16);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[11])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:220:26
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 let g = ((buf[12] as u16) << 8) | (buf[13] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[12])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:220:51
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 let g = ((buf[12] as u16) << 8) | (buf[13] as u16);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[13])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:221:26
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 let h = ((buf[14] as u16) << 8) | (buf[15] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[14])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:221:51
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 let h = ((buf[14] as u16) << 8) | (buf[15] as u16);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[15])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:223:29
[INFO] [stderr]     |
[INFO] [stderr] 223 |                 let port = ((buf[16] as u16) << 8) | (buf[17] as u16);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[16])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:223:54
[INFO] [stderr]     |
[INFO] [stderr] 223 |                 let port = ((buf[16] as u16) << 8) | (buf[17] as u16);
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[17])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/utilities.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let port = ((addr_buf[pos] as u16) << 8) | (addr_buf[pos + 1] as u16);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(addr_buf[pos])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/utilities.rs:47:48
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let port = ((addr_buf[pos] as u16) << 8) | (addr_buf[pos + 1] as u16);
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(addr_buf[pos + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/endpoint.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |             if buf.len()==0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `buf.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] error: calls to `std::mem::drop` with a value that implements Copy. Dropping a copy leaves the original intact.
[INFO] [stderr]   --> src/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     drop(env_logger::init());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::drop_copy)] on by default
[INFO] [stderr] note: argument has type ()
[INFO] [stderr]   --> src/main.rs:67:10
[INFO] [stderr]    |
[INFO] [stderr] 67 |     drop(env_logger::init());
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_copy
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]   --> src/main.rs:67:10
[INFO] [stderr]    |
[INFO] [stderr] 67 |     drop(env_logger::init());
[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] 67 |     drop(());
[INFO] [stderr]    |          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:71:35
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let addr = env::args().nth(1).unwrap_or("127.0.0.1:8083".to_string());
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "127.0.0.1:8083".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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustoxy`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:204:29
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 let port = ((buf[4] as u16) << 8) | (buf[5] as u16);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[4])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:204:53
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 let port = ((buf[4] as u16) << 8) | (buf[5] as u16);
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[5])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:214:26
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let a = ((buf[0] as u16) << 8) | (buf[1] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:214:50
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let a = ((buf[0] as u16) << 8) | (buf[1] as u16);
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:215:26
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 let b = ((buf[2] as u16) << 8) | (buf[3] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[2])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:215:50
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 let b = ((buf[2] as u16) << 8) | (buf[3] as u16);
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[3])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:216:26
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 let c = ((buf[4] as u16) << 8) | (buf[5] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[4])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:216:50
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 let c = ((buf[4] as u16) << 8) | (buf[5] as u16);
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[5])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:217:26
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 let d = ((buf[6] as u16) << 8) | (buf[7] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[6])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:217:50
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 let d = ((buf[6] as u16) << 8) | (buf[7] as u16);
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[7])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:218:26
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let e = ((buf[8] as u16) << 8) | (buf[9] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[8])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:218:50
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let e = ((buf[8] as u16) << 8) | (buf[9] as u16);
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[9])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:219:26
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 let f = ((buf[10] as u16) << 8) | (buf[11] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[10])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:219:51
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 let f = ((buf[10] as u16) << 8) | (buf[11] as u16);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[11])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:220:26
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 let g = ((buf[12] as u16) << 8) | (buf[13] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[12])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:220:51
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 let g = ((buf[12] as u16) << 8) | (buf[13] as u16);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[13])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:221:26
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 let h = ((buf[14] as u16) << 8) | (buf[15] as u16);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[14])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:221:51
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 let h = ((buf[14] as u16) << 8) | (buf[15] as u16);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[15])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:223:29
[INFO] [stderr]     |
[INFO] [stderr] 223 |                 let port = ((buf[16] as u16) << 8) | (buf[17] as u16);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[16])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/client.rs:223:54
[INFO] [stderr]     |
[INFO] [stderr] 223 |                 let port = ((buf[16] as u16) << 8) | (buf[17] as u16);
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[17])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/utilities.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let port = ((addr_buf[pos] as u16) << 8) | (addr_buf[pos + 1] as u16);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(addr_buf[pos])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/utilities.rs:47:48
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let port = ((addr_buf[pos] as u16) << 8) | (addr_buf[pos + 1] as u16);
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(addr_buf[pos + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/endpoint.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |             if buf.len()==0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `buf.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] error: calls to `std::mem::drop` with a value that implements Copy. Dropping a copy leaves the original intact.
[INFO] [stderr]   --> src/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     drop(env_logger::init());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::drop_copy)] on by default
[INFO] [stderr] note: argument has type ()
[INFO] [stderr]   --> src/main.rs:67:10
[INFO] [stderr]    |
[INFO] [stderr] 67 |     drop(env_logger::init());
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_copy
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]   --> src/main.rs:67:10
[INFO] [stderr]    |
[INFO] [stderr] 67 |     drop(env_logger::init());
[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] 67 |     drop(());
[INFO] [stderr]    |          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:71:35
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let addr = env::args().nth(1).unwrap_or("127.0.0.1:8083".to_string());
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "127.0.0.1:8083".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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustoxy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a9d5588f5bd7a5cb0cc8a0de3f38a696d0dc447c6941732614ad63c786496a1c"`
[INFO] running `"docker" "rm" "-f" "a9d5588f5bd7a5cb0cc8a0de3f38a696d0dc447c6941732614ad63c786496a1c"`
[INFO] [stdout] a9d5588f5bd7a5cb0cc8a0de3f38a696d0dc447c6941732614ad63c786496a1c