[INFO] updating cached repository danieldulaney/nmcu-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/danieldulaney/nmcu-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/danieldulaney/nmcu-rs" "work/ex/clippy-test-run/sources/stable/gh/danieldulaney/nmcu-rs"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/danieldulaney/nmcu-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/danieldulaney/nmcu-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/danieldulaney/nmcu-rs"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/danieldulaney/nmcu-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4ba6d902b4f360804aef17db8af42acd51a76cc8 [INFO] sha for GitHub repo danieldulaney/nmcu-rs: 4ba6d902b4f360804aef17db8af42acd51a76cc8 [INFO] validating manifest of danieldulaney/nmcu-rs 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 danieldulaney/nmcu-rs 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 danieldulaney/nmcu-rs [INFO] finished frobbing danieldulaney/nmcu-rs [INFO] frobbed toml for danieldulaney/nmcu-rs written to work/ex/clippy-test-run/sources/stable/gh/danieldulaney/nmcu-rs/Cargo.toml [INFO] started frobbing danieldulaney/nmcu-rs [INFO] finished frobbing danieldulaney/nmcu-rs [INFO] frobbed toml for danieldulaney/nmcu-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/danieldulaney/nmcu-rs/Cargo.toml [INFO] crate danieldulaney/nmcu-rs 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 danieldulaney/nmcu-rs against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/danieldulaney/nmcu-rs:/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] 81640bc7cde4f59fb099f8128c993c4b2d64b7b7387ce423022f3093d60126a7 [INFO] running `"docker" "start" "-a" "81640bc7cde4f59fb099f8128c993c4b2d64b7b7387ce423022f3093d60126a7"` [INFO] [stderr] Checking libudev-sys v0.1.4 [INFO] [stderr] Checking nix v0.10.0 [INFO] [stderr] Checking regex v0.2.10 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking env_logger v0.5.7 [INFO] [stderr] Checking serialport v2.3.0 [INFO] [stderr] Checking mio-serial v0.8.0 [INFO] [stderr] Checking nmcu v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name [INFO] [stderr] --> src/eventloop.rs:26:22 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn to_stdout(b: Vec) -> Response { [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] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name [INFO] [stderr] --> src/eventloop.rs:34:22 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn to_serial(b: Vec) -> Response { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/eventloop.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | io::stdout().write(b).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::unused_io_amount)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/eventloop.rs:167:9 [INFO] [stderr] | [INFO] [stderr] 167 | serial.write(b)?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] warning: methods called `new` usually return `Self` [INFO] [stderr] --> src/commandline.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | / pub fn new() -> Box { [INFO] [stderr] 8 | | Box::new(CommandLine()) [INFO] [stderr] 9 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_ret_no_self)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self [INFO] [stderr] [INFO] [stderr] warning: methods called `new` usually return `Self` [INFO] [stderr] --> src/list.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | / pub fn new(_long_mode: bool) -> Box { [INFO] [stderr] 7 | | Box::new(List {}) [INFO] [stderr] 8 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self [INFO] [stderr] [INFO] [stderr] warning: methods called `new` usually return `Self` [INFO] [stderr] --> src/echostrip.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | / pub fn new(destination: Box) -> Box { [INFO] [stderr] 11 | | Box::new(EchoStrip { [INFO] [stderr] 12 | | destination, [INFO] [stderr] 13 | | last_line: Vec::new(), [INFO] [stderr] 14 | | }) [INFO] [stderr] 15 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self [INFO] [stderr] [INFO] [stderr] warning: this loop could be written as a `while let` loop [INFO] [stderr] --> src/echostrip.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | / loop { [INFO] [stderr] 46 | | if let (Some(&line_cur), Some(&payload_cur)) = [INFO] [stderr] 47 | | (line.get(line_index), payload.get(payload_index)) [INFO] [stderr] 48 | | { [INFO] [stderr] ... | [INFO] [stderr] 66 | | } [INFO] [stderr] 67 | | } [INFO] [stderr] | |_____________^ help: try: `while let (Some(&line_cur), Some(&payload_cur)) = (line.get(line_index), payload.get(payload_index)) { .. }` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::while_let_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/echostrip.rs:53:43 [INFO] [stderr] | [INFO] [stderr] 53 | } else if line_cur == '\n' as u8 && payload_cur == '\r' as u8 [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::char_lit_as_u8)] on by default [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\n' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/echostrip.rs:53:72 [INFO] [stderr] | [INFO] [stderr] 53 | } else if line_cur == '\n' as u8 && payload_cur == '\r' as u8 [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\r' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/echostrip.rs:57:68 [INFO] [stderr] | [INFO] [stderr] 57 | && payload.get(payload_index + 1) == Some(&('\n' as u8)) [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\n' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: You are using an explicit closure for cloning elements [INFO] [stderr] --> src/echostrip.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | / payload [INFO] [stderr] 76 | | .iter() [INFO] [stderr] 77 | | .skip(payload_index) [INFO] [stderr] 78 | | .map(|x| *x) [INFO] [stderr] | |____________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::map_clone)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone [INFO] [stderr] help: Consider calling the dedicated `cloned` method [INFO] [stderr] | [INFO] [stderr] 75 | payload [INFO] [stderr] 76 | .iter() [INFO] [stderr] 77 | .skip(payload_index).cloned() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: methods called `new` usually return `Self` [INFO] [stderr] --> src/synch.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | / pub fn new(inner: Box) -> Box { [INFO] [stderr] 30 | | Box::new(Synch { [INFO] [stderr] 31 | | inner, [INFO] [stderr] 32 | | state: WaitingFor::FirstSynch, [INFO] [stderr] 33 | | }) [INFO] [stderr] 34 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/synch.rs:140:30 [INFO] [stderr] | [INFO] [stderr] 140 | Response::to_serial(vec![';' as u8, '\r' as u8, '\n' as u8]) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b';' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/synch.rs:140:41 [INFO] [stderr] | [INFO] [stderr] 140 | Response::to_serial(vec![';' as u8, '\r' as u8, '\n' as u8]) [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\r' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/synch.rs:140:53 [INFO] [stderr] | [INFO] [stderr] 140 | Response::to_serial(vec![';' as u8, '\r' as u8, '\n' as u8]) [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\n' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `nmcu`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name [INFO] [stderr] --> src/eventloop.rs:26:22 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn to_stdout(b: Vec) -> Response { [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] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name [INFO] [stderr] --> src/eventloop.rs:34:22 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn to_serial(b: Vec) -> Response { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/eventloop.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | io::stdout().write(b).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::unused_io_amount)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/eventloop.rs:167:9 [INFO] [stderr] | [INFO] [stderr] 167 | serial.write(b)?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] warning: methods called `new` usually return `Self` [INFO] [stderr] --> src/commandline.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | / pub fn new() -> Box { [INFO] [stderr] 8 | | Box::new(CommandLine()) [INFO] [stderr] 9 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_ret_no_self)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self [INFO] [stderr] [INFO] [stderr] warning: methods called `new` usually return `Self` [INFO] [stderr] --> src/list.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | / pub fn new(_long_mode: bool) -> Box { [INFO] [stderr] 7 | | Box::new(List {}) [INFO] [stderr] 8 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self [INFO] [stderr] [INFO] [stderr] warning: methods called `new` usually return `Self` [INFO] [stderr] --> src/echostrip.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | / pub fn new(destination: Box) -> Box { [INFO] [stderr] 11 | | Box::new(EchoStrip { [INFO] [stderr] 12 | | destination, [INFO] [stderr] 13 | | last_line: Vec::new(), [INFO] [stderr] 14 | | }) [INFO] [stderr] 15 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self [INFO] [stderr] [INFO] [stderr] warning: this loop could be written as a `while let` loop [INFO] [stderr] --> src/echostrip.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | / loop { [INFO] [stderr] 46 | | if let (Some(&line_cur), Some(&payload_cur)) = [INFO] [stderr] 47 | | (line.get(line_index), payload.get(payload_index)) [INFO] [stderr] 48 | | { [INFO] [stderr] ... | [INFO] [stderr] 66 | | } [INFO] [stderr] 67 | | } [INFO] [stderr] | |_____________^ help: try: `while let (Some(&line_cur), Some(&payload_cur)) = (line.get(line_index), payload.get(payload_index)) { .. }` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::while_let_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/echostrip.rs:53:43 [INFO] [stderr] | [INFO] [stderr] 53 | } else if line_cur == '\n' as u8 && payload_cur == '\r' as u8 [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::char_lit_as_u8)] on by default [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\n' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/echostrip.rs:53:72 [INFO] [stderr] | [INFO] [stderr] 53 | } else if line_cur == '\n' as u8 && payload_cur == '\r' as u8 [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\r' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/echostrip.rs:57:68 [INFO] [stderr] | [INFO] [stderr] 57 | && payload.get(payload_index + 1) == Some(&('\n' as u8)) [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\n' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: You are using an explicit closure for cloning elements [INFO] [stderr] --> src/echostrip.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | / payload [INFO] [stderr] 76 | | .iter() [INFO] [stderr] 77 | | .skip(payload_index) [INFO] [stderr] 78 | | .map(|x| *x) [INFO] [stderr] | |____________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::map_clone)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone [INFO] [stderr] help: Consider calling the dedicated `cloned` method [INFO] [stderr] | [INFO] [stderr] 75 | payload [INFO] [stderr] 76 | .iter() [INFO] [stderr] 77 | .skip(payload_index).cloned() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: methods called `new` usually return `Self` [INFO] [stderr] --> src/synch.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | / pub fn new(inner: Box) -> Box { [INFO] [stderr] 30 | | Box::new(Synch { [INFO] [stderr] 31 | | inner, [INFO] [stderr] 32 | | state: WaitingFor::FirstSynch, [INFO] [stderr] 33 | | }) [INFO] [stderr] 34 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/synch.rs:140:30 [INFO] [stderr] | [INFO] [stderr] 140 | Response::to_serial(vec![';' as u8, '\r' as u8, '\n' as u8]) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b';' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/synch.rs:140:41 [INFO] [stderr] | [INFO] [stderr] 140 | Response::to_serial(vec![';' as u8, '\r' as u8, '\n' as u8]) [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\r' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/synch.rs:140:53 [INFO] [stderr] | [INFO] [stderr] 140 | Response::to_serial(vec![';' as u8, '\r' as u8, '\n' as u8]) [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\n' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `nmcu`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "81640bc7cde4f59fb099f8128c993c4b2d64b7b7387ce423022f3093d60126a7"` [INFO] running `"docker" "rm" "-f" "81640bc7cde4f59fb099f8128c993c4b2d64b7b7387ce423022f3093d60126a7"` [INFO] [stdout] 81640bc7cde4f59fb099f8128c993c4b2d64b7b7387ce423022f3093d60126a7