[INFO] updating cached repository d-plaindoux/parsec.rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/d-plaindoux/parsec.rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/d-plaindoux/parsec.rust" "work/ex/clippy-test-run/sources/stable/gh/d-plaindoux/parsec.rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/d-plaindoux/parsec.rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/d-plaindoux/parsec.rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/d-plaindoux/parsec.rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/d-plaindoux/parsec.rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7ea472d8b8895b9b2b83da67c3346e70c05890f4 [INFO] sha for GitHub repo d-plaindoux/parsec.rust: 7ea472d8b8895b9b2b83da67c3346e70c05890f4 [INFO] validating manifest of d-plaindoux/parsec.rust 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 d-plaindoux/parsec.rust 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 d-plaindoux/parsec.rust [INFO] finished frobbing d-plaindoux/parsec.rust [INFO] frobbed toml for d-plaindoux/parsec.rust written to work/ex/clippy-test-run/sources/stable/gh/d-plaindoux/parsec.rust/Cargo.toml [INFO] started frobbing d-plaindoux/parsec.rust [INFO] finished frobbing d-plaindoux/parsec.rust [INFO] frobbed toml for d-plaindoux/parsec.rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/d-plaindoux/parsec.rust/Cargo.toml [INFO] crate d-plaindoux/parsec.rust 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 d-plaindoux/parsec.rust against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/d-plaindoux/parsec.rust:/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] bab9fda362dda21be8ec372244e2af1c92bafbff88572505c2a93deb31156f47 [INFO] running `"docker" "start" "-a" "bab9fda362dda21be8ec372244e2af1c92bafbff88572505c2a93deb31156f47"` [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking parsecute v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: 5th binding whose name is just one char [INFO] [stderr] --> src/parsers/basic.rs:278:18 [INFO] [stderr] | [INFO] [stderr] 278 | Some(v) => response(Some(v), o, r.c), [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: 5th binding whose name is just one char [INFO] [stderr] --> src/parsers/basic.rs:292:13 [INFO] [stderr] | [INFO] [stderr] 292 | let r = p.execute(s, o); [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: 6th binding whose name is just one char [INFO] [stderr] --> src/parsers/basic.rs:295:18 [INFO] [stderr] | [INFO] [stderr] 295 | Some(a) => { [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/parsers/basic.rs:313:13 [INFO] [stderr] | [INFO] [stderr] 313 | let r = p.execute(s, o); [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: 6th binding whose name is just one char [INFO] [stderr] --> src/parsers/basic.rs:316:18 [INFO] [stderr] | [INFO] [stderr] 316 | Some(a) => { [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/parsers/flow.rs:298:18 [INFO] [stderr] | [INFO] [stderr] 298 | Some(a) => response(Some(Some(a)), r.o, r.c), [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/parsers/flow.rs:337:22 [INFO] [stderr] | [INFO] [stderr] 337 | Some(a) => { [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/parsers/literal.rs:112:21 [INFO] [stderr] | [INFO] [stderr] 112 | let c = a as char; [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/parsers/literal.rs:129:21 [INFO] [stderr] | [INFO] [stderr] 129 | let c = a as char; [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/parsers/monadic.rs:117:13 [INFO] [stderr] | [INFO] [stderr] 117 | let r = p.execute(s, o); [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: 6th binding whose name is just one char [INFO] [stderr] --> src/parsers/monadic.rs:120:18 [INFO] [stderr] | [INFO] [stderr] 120 | Some(v) => response(Some(f(v)), r.o, r.c), [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/parsers/basic.rs:278:18 [INFO] [stderr] | [INFO] [stderr] 278 | Some(v) => response(Some(v), o, r.c), [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: 5th binding whose name is just one char [INFO] [stderr] --> src/parsers/basic.rs:292:13 [INFO] [stderr] | [INFO] [stderr] 292 | let r = p.execute(s, o); [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: 6th binding whose name is just one char [INFO] [stderr] --> src/parsers/basic.rs:295:18 [INFO] [stderr] | [INFO] [stderr] 295 | Some(a) => { [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/parsers/basic.rs:313:13 [INFO] [stderr] | [INFO] [stderr] 313 | let r = p.execute(s, o); [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: 6th binding whose name is just one char [INFO] [stderr] --> src/parsers/basic.rs:316:18 [INFO] [stderr] | [INFO] [stderr] 316 | Some(a) => { [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/parsers/flow.rs:298:18 [INFO] [stderr] | [INFO] [stderr] 298 | Some(a) => response(Some(Some(a)), r.o, r.c), [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/parsers/flow.rs:337:22 [INFO] [stderr] | [INFO] [stderr] 337 | Some(a) => { [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/parsers/literal.rs:112:21 [INFO] [stderr] | [INFO] [stderr] 112 | let c = a as char; [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/parsers/literal.rs:129:21 [INFO] [stderr] | [INFO] [stderr] 129 | let c = a as char; [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/parsers/monadic.rs:117:13 [INFO] [stderr] | [INFO] [stderr] 117 | let r = p.execute(s, o); [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: 6th binding whose name is just one char [INFO] [stderr] --> src/parsers/monadic.rs:120:18 [INFO] [stderr] | [INFO] [stderr] 120 | Some(v) => response(Some(f(v)), r.o, r.c), [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: unneeded return statement [INFO] [stderr] --> src/parsers/basic.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | return response(None, o, false); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `response(None, o, false)` [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/parsers/basic.rs:211:9 [INFO] [stderr] | [INFO] [stderr] 211 | return response(None, o, false); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `response(None, o, false)` [INFO] [stderr] | [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/parsers/basic.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | return response(None, o, false); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `response(None, o, false)` [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/parsers/basic.rs:211:9 [INFO] [stderr] | [INFO] [stderr] 211 | return response(None, o, false); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `response(None, o, false)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] error: use of `#[inline]` on trait method `satisfy` which has no body [INFO] [stderr] --> src/parsers/basic.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | #[inline] [INFO] [stderr] | _____-^^^^^^^^ [INFO] [stderr] 106 | | fn satisfy(self, f: F) -> Satisfy [INFO] [stderr] | |____- help: remove [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::inline_fn_without_body)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inline_fn_without_body [INFO] [stderr] [INFO] [stderr] error: use of `#[inline]` on trait method `filter` which has no body [INFO] [stderr] --> src/parsers/basic.rs:109:5 [INFO] [stderr] | [INFO] [stderr] 109 | #[inline] [INFO] [stderr] | _____-^^^^^^^^ [INFO] [stderr] 110 | | fn filter(self, f: F) -> Satisfy [INFO] [stderr] | |____- help: remove [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inline_fn_without_body [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/parsers/basic.rs:164:23 [INFO] [stderr] | [INFO] [stderr] 164 | response(Some(v.clone()), o, false) [INFO] [stderr] | ^^^^^^^^^ help: try dereferencing it: `*v` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::clone_on_copy)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy [INFO] [stderr] [INFO] [stderr] warning: equality checks against false can be replaced by a negation [INFO] [stderr] --> src/parsers/flow.rs:299:21 [INFO] [stderr] | [INFO] [stderr] 299 | None if r.c == false => response(Some(None), o, r.c), [INFO] [stderr] | ^^^^^^^^^^^^ help: try simplifying it as shown: `!r.c` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::bool_comparison)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison [INFO] [stderr] [INFO] [stderr] warning: equality checks against false can be replaced by a negation [INFO] [stderr] --> src/parsers/flow.rs:315:21 [INFO] [stderr] | [INFO] [stderr] 315 | None if r.c == false => response(Some(()), o, r.c), [INFO] [stderr] | ^^^^^^^^^^^^ help: try simplifying it as shown: `!r.c` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison [INFO] [stderr] [INFO] [stderr] warning: this lifetime isn't used in the function definition [INFO] [stderr] --> src/parsers/literal.rs:47:14 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn float<'a>() -> Float { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::extra_unused_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes [INFO] [stderr] [INFO] [stderr] warning: this lifetime isn't used in the function definition [INFO] [stderr] --> src/parsers/literal.rs:55:23 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn delimited_char<'a>() -> DelimitedChar { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/parsers/literal.rs:182:44 [INFO] [stderr] | [INFO] [stderr] 182 | response(Some(()), o + self.len(), self.len() > 0) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/parsers/literal.rs:242:44 [INFO] [stderr] | [INFO] [stderr] 242 | .or(take_one(|c| *c != '\'' as u8).fmap(|a| a as char)), [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'\'' [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: use of `#[inline]` on trait method `satisfy` which has no body [INFO] [stderr] --> src/parsers/basic.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | #[inline] [INFO] [stderr] | _____-^^^^^^^^ [INFO] [stderr] 106 | | fn satisfy(self, f: F) -> Satisfy [INFO] [stderr] | |____- help: remove [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::inline_fn_without_body)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inline_fn_without_body [INFO] [stderr] [INFO] [stderr] error: use of `#[inline]` on trait method `filter` which has no body [INFO] [stderr] --> src/parsers/basic.rs:109:5 [INFO] [stderr] | [INFO] [stderr] 109 | #[inline] [INFO] [stderr] | _____-^^^^^^^^ [INFO] [stderr] 110 | | fn filter(self, f: F) -> Satisfy [INFO] [stderr] | |____- help: remove [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inline_fn_without_body [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/parsers/basic.rs:164:23 [INFO] [stderr] | [INFO] [stderr] 164 | response(Some(v.clone()), o, false) [INFO] [stderr] | ^^^^^^^^^ help: try dereferencing it: `*v` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::clone_on_copy)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `parsecute`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: equality checks against false can be replaced by a negation [INFO] [stderr] --> src/parsers/flow.rs:299:21 [INFO] [stderr] | [INFO] [stderr] 299 | None if r.c == false => response(Some(None), o, r.c), [INFO] [stderr] | ^^^^^^^^^^^^ help: try simplifying it as shown: `!r.c` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::bool_comparison)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison [INFO] [stderr] [INFO] [stderr] warning: equality checks against false can be replaced by a negation [INFO] [stderr] --> src/parsers/flow.rs:315:21 [INFO] [stderr] | [INFO] [stderr] 315 | None if r.c == false => response(Some(()), o, r.c), [INFO] [stderr] | ^^^^^^^^^^^^ help: try simplifying it as shown: `!r.c` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison [INFO] [stderr] [INFO] [stderr] warning: this lifetime isn't used in the function definition [INFO] [stderr] --> src/parsers/literal.rs:47:14 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn float<'a>() -> Float { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::extra_unused_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes [INFO] [stderr] [INFO] [stderr] warning: this lifetime isn't used in the function definition [INFO] [stderr] --> src/parsers/literal.rs:55:23 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn delimited_char<'a>() -> DelimitedChar { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/parsers/literal.rs:182:44 [INFO] [stderr] | [INFO] [stderr] 182 | response(Some(()), o + self.len(), self.len() > 0) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/parsers/literal.rs:242:44 [INFO] [stderr] | [INFO] [stderr] 242 | .or(take_one(|c| *c != '\'' as u8).fmap(|a| a as char)), [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'\'' [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 `parsecute`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "bab9fda362dda21be8ec372244e2af1c92bafbff88572505c2a93deb31156f47"` [INFO] running `"docker" "rm" "-f" "bab9fda362dda21be8ec372244e2af1c92bafbff88572505c2a93deb31156f47"` [INFO] [stdout] bab9fda362dda21be8ec372244e2af1c92bafbff88572505c2a93deb31156f47