[INFO] crate asexp 0.3.1 is already in cache
[INFO] extracting crate asexp 0.3.1 into work/ex/clippy-test-run/sources/stable/reg/asexp/0.3.1
[INFO] extracting crate asexp 0.3.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/asexp/0.3.1
[INFO] validating manifest of asexp-0.3.1 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 asexp-0.3.1 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 asexp-0.3.1
[INFO] finished frobbing asexp-0.3.1
[INFO] frobbed toml for asexp-0.3.1 written to work/ex/clippy-test-run/sources/stable/reg/asexp/0.3.1/Cargo.toml
[INFO] started frobbing asexp-0.3.1
[INFO] finished frobbing asexp-0.3.1
[INFO] frobbed toml for asexp-0.3.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/asexp/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting asexp-0.3.1 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/asexp/0.3.1:/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 -Dclippy::into_iter_on_array" "-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] 0dc93a9ae659fe31decff8f28018a68cac0f7800d701604e93710ec86856bb8a
[INFO] running `"docker" "start" "-a" "0dc93a9ae659fe31decff8f28018a68cac0f7800d701604e93710ec86856bb8a"`
[INFO] [stderr]     Checking grabinput v0.1.1
[INFO] [stderr]     Checking asexp v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/sexp.rs:242:29
[INFO] [stderr]     |
[INFO] [stderr] 242 |             write!(f, "{}", "}")
[INFO] [stderr]     |                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/sexp.rs:285:33
[INFO] [stderr]     |
[INFO] [stderr] 285 |                 write!(f, "{}", "}")
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/token.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             ignore_ws: ignore_ws,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ignore_ws`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/token.rs:246:13
[INFO] [stderr]     |
[INFO] [stderr] 246 |             inner: inner,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `inner`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/sexp.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 return Ok(map);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(map)`
[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: literal with an empty format string
[INFO] [stderr]    --> src/sexp.rs:242:29
[INFO] [stderr]     |
[INFO] [stderr] 242 |             write!(f, "{}", "}")
[INFO] [stderr]     |                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/sexp.rs:285:33
[INFO] [stderr]     |
[INFO] [stderr] 285 |                 write!(f, "{}", "}")
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/token.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             ignore_ws: ignore_ws,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ignore_ws`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/token.rs:246:13
[INFO] [stderr]     |
[INFO] [stderr] 246 |             inner: inner,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `inner`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/atom.rs:42:20
[INFO] [stderr]    |
[INFO] [stderr] 42 |         Atom::UInt(u.into())
[INFO] [stderr]    |                    ^^^^^^^^ help: consider removing `.into()`: `u`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/atom.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |         Atom::SInt(i.into())
[INFO] [stderr]    |                    ^^^^^^^^ help: consider removing `.into()`: `i`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/atom.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |         Atom::Float(f.into())
[INFO] [stderr]    |                     ^^^^^^^^ help: consider removing `.into()`: `f`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/atom.rs:155:76
[INFO] [stderr]     |
[INFO] [stderr] 155 |     } else if is_num_string(s) || s.contains(is_token_delim) || s.contains("\"") || s.contains("\\") {
[INFO] [stderr]     |                                                                            ^^^^ help: try using a char instead: `'\"'`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/atom.rs:155:96
[INFO] [stderr]     |
[INFO] [stderr] 155 |     } else if is_num_string(s) || s.contains(is_token_delim) || s.contains("\"") || s.contains("\\") {
[INFO] [stderr]     |                                                                                                ^^^^ help: try using a char instead: `'\\'`
[INFO] [stderr]     |
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | /         match self {
[INFO] [stderr] 25 | |             &Sexp::Atom(..) => true,
[INFO] [stderr] 26 | |             _ => false,
[INFO] [stderr] 27 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 24 |         match *self {
[INFO] [stderr] 25 |             Sexp::Atom(..) => true,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 | /         match self {
[INFO] [stderr] 32 | |             &Sexp::Atom(..) => true,
[INFO] [stderr] 33 | |             &Sexp::Tuple(ref vec) => vec.iter().all(Sexp::is_atom),
[INFO] [stderr] 34 | |             &Sexp::Array(ref vec) => vec.iter().all(Sexp::is_atom),
[INFO] [stderr] 35 | |             &Sexp::Map(ref vec) => vec.iter().all(|e| e.0.is_atom() && e.1.is_atom()),
[INFO] [stderr] 36 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 31 |         match *self {
[INFO] [stderr] 32 |             Sexp::Atom(..) => true,
[INFO] [stderr] 33 |             Sexp::Tuple(ref vec) => vec.iter().all(Sexp::is_atom),
[INFO] [stderr] 34 |             Sexp::Array(ref vec) => vec.iter().all(Sexp::is_atom),
[INFO] [stderr] 35 |             Sexp::Map(ref vec) => vec.iter().all(|e| e.0.is_atom() && e.1.is_atom()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 | /         match self {
[INFO] [stderr] 62 | |             &Sexp::Atom(Atom::UInt(u)) => Some(u),
[INFO] [stderr] 63 | |             _ => None,
[INFO] [stderr] 64 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 61 |         match *self {
[INFO] [stderr] 62 |             Sexp::Atom(Atom::UInt(u)) => Some(u),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 | /         match self {
[INFO] [stderr] 69 | |             &Sexp::Atom(Atom::SInt(s)) => Some(s),
[INFO] [stderr] 70 | |             _ => None,
[INFO] [stderr] 71 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 68 |         match *self {
[INFO] [stderr] 69 |             Sexp::Atom(Atom::SInt(s)) => Some(s),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 | /         match self {
[INFO] [stderr] 76 | |             &Sexp::Atom(Atom::Float(f)) => Some(f),
[INFO] [stderr] 77 | |             _ => None,
[INFO] [stderr] 78 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 75 |         match *self {
[INFO] [stderr] 76 |             Sexp::Atom(Atom::Float(f)) => Some(f),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 | /         match self {
[INFO] [stderr] 83 | |             &Sexp::Atom(Atom::Str(ref s)) => Some(s),
[INFO] [stderr] 84 | |             _ => None,
[INFO] [stderr] 85 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 82 |         match *self {
[INFO] [stderr] 83 |             Sexp::Atom(Atom::Str(ref s)) => Some(s),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/sexp.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         match self {
[INFO] [stderr] 92  | |             &Sexp::Array(ref ary) => {
[INFO] [stderr] 93  | |                 let mut a = Vec::new();
[INFO] [stderr] 94  | |                 for elm in ary.iter() {
[INFO] [stderr] ...   |
[INFO] [stderr] 103 | |             _ => None,
[INFO] [stderr] 104 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 91  |         match *self {
[INFO] [stderr] 92  |             Sexp::Array(ref ary) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/sexp.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     let _ = prettyprint(sexp, &mut buf, 0, false).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/token.rs:56:1
[INFO] [stderr]     |
[INFO] [stderr] 56  | / fn next_token<'a>(s: &'a str) -> Option<(Token<'a>, &'a str)> {
[INFO] [stderr] 57  | |     let mut chars = s.chars();
[INFO] [stderr] 58  | |     match chars.next() {
[INFO] [stderr] 59  | |         None => None,
[INFO] [stderr] ...   |
[INFO] [stderr] 187 | |     }
[INFO] [stderr] 188 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/token.rs:124:29
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     assert!(string.len() > 0);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!string.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: length comparison to zero
[INFO] [stderr]    --> src/token.rs:160:29
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     assert!(string.len() > 0);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!string.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/token.rs:176:29
[INFO] [stderr]     |
[INFO] [stderr] 176 |                     assert!(string.len() > 0);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!string.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/sexp.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 return Ok(map);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(map)`
[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: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> examples/pp.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let _ = prettyprint(&expr, &mut std::io::stdout(), 0, false).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/atom.rs:42:20
[INFO] [stderr]    |
[INFO] [stderr] 42 |         Atom::UInt(u.into())
[INFO] [stderr]    |                    ^^^^^^^^ help: consider removing `.into()`: `u`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/atom.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |         Atom::SInt(i.into())
[INFO] [stderr]    |                    ^^^^^^^^ help: consider removing `.into()`: `i`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/atom.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |         Atom::Float(f.into())
[INFO] [stderr]    |                     ^^^^^^^^ help: consider removing `.into()`: `f`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/atom.rs:155:76
[INFO] [stderr]     |
[INFO] [stderr] 155 |     } else if is_num_string(s) || s.contains(is_token_delim) || s.contains("\"") || s.contains("\\") {
[INFO] [stderr]     |                                                                            ^^^^ help: try using a char instead: `'\"'`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/atom.rs:155:96
[INFO] [stderr]     |
[INFO] [stderr] 155 |     } else if is_num_string(s) || s.contains(is_token_delim) || s.contains("\"") || s.contains("\\") {
[INFO] [stderr]     |                                                                                                ^^^^ help: try using a char instead: `'\\'`
[INFO] [stderr]     |
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | /         match self {
[INFO] [stderr] 25 | |             &Sexp::Atom(..) => true,
[INFO] [stderr] 26 | |             _ => false,
[INFO] [stderr] 27 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 24 |         match *self {
[INFO] [stderr] 25 |             Sexp::Atom(..) => true,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 | /         match self {
[INFO] [stderr] 32 | |             &Sexp::Atom(..) => true,
[INFO] [stderr] 33 | |             &Sexp::Tuple(ref vec) => vec.iter().all(Sexp::is_atom),
[INFO] [stderr] 34 | |             &Sexp::Array(ref vec) => vec.iter().all(Sexp::is_atom),
[INFO] [stderr] 35 | |             &Sexp::Map(ref vec) => vec.iter().all(|e| e.0.is_atom() && e.1.is_atom()),
[INFO] [stderr] 36 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 31 |         match *self {
[INFO] [stderr] 32 |             Sexp::Atom(..) => true,
[INFO] [stderr] 33 |             Sexp::Tuple(ref vec) => vec.iter().all(Sexp::is_atom),
[INFO] [stderr] 34 |             Sexp::Array(ref vec) => vec.iter().all(Sexp::is_atom),
[INFO] [stderr] 35 |             Sexp::Map(ref vec) => vec.iter().all(|e| e.0.is_atom() && e.1.is_atom()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 | /         match self {
[INFO] [stderr] 62 | |             &Sexp::Atom(Atom::UInt(u)) => Some(u),
[INFO] [stderr] 63 | |             _ => None,
[INFO] [stderr] 64 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 61 |         match *self {
[INFO] [stderr] 62 |             Sexp::Atom(Atom::UInt(u)) => Some(u),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 | /         match self {
[INFO] [stderr] 69 | |             &Sexp::Atom(Atom::SInt(s)) => Some(s),
[INFO] [stderr] 70 | |             _ => None,
[INFO] [stderr] 71 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 68 |         match *self {
[INFO] [stderr] 69 |             Sexp::Atom(Atom::SInt(s)) => Some(s),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 | /         match self {
[INFO] [stderr] 76 | |             &Sexp::Atom(Atom::Float(f)) => Some(f),
[INFO] [stderr] 77 | |             _ => None,
[INFO] [stderr] 78 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 75 |         match *self {
[INFO] [stderr] 76 |             Sexp::Atom(Atom::Float(f)) => Some(f),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/sexp.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 | /         match self {
[INFO] [stderr] 83 | |             &Sexp::Atom(Atom::Str(ref s)) => Some(s),
[INFO] [stderr] 84 | |             _ => None,
[INFO] [stderr] 85 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 82 |         match *self {
[INFO] [stderr] 83 |             Sexp::Atom(Atom::Str(ref s)) => Some(s),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/sexp.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         match self {
[INFO] [stderr] 92  | |             &Sexp::Array(ref ary) => {
[INFO] [stderr] 93  | |                 let mut a = Vec::new();
[INFO] [stderr] 94  | |                 for elm in ary.iter() {
[INFO] [stderr] ...   |
[INFO] [stderr] 103 | |             _ => None,
[INFO] [stderr] 104 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 91  |         match *self {
[INFO] [stderr] 92  |             Sexp::Array(ref ary) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/sexp.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     let _ = prettyprint(sexp, &mut buf, 0, false).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/token.rs:56:1
[INFO] [stderr]     |
[INFO] [stderr] 56  | / fn next_token<'a>(s: &'a str) -> Option<(Token<'a>, &'a str)> {
[INFO] [stderr] 57  | |     let mut chars = s.chars();
[INFO] [stderr] 58  | |     match chars.next() {
[INFO] [stderr] 59  | |         None => None,
[INFO] [stderr] ...   |
[INFO] [stderr] 187 | |     }
[INFO] [stderr] 188 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/token.rs:124:29
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     assert!(string.len() > 0);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!string.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: length comparison to zero
[INFO] [stderr]    --> src/token.rs:160:29
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     assert!(string.len() > 0);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!string.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/token.rs:176:29
[INFO] [stderr]     |
[INFO] [stderr] 176 |                     assert!(string.len() > 0);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!string.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/token.rs:276:26
[INFO] [stderr]     |
[INFO] [stderr] 276 |     let tokens: Vec<_> = t.into_iter().collect();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `t`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/token.rs:290:26
[INFO] [stderr]     |
[INFO] [stderr] 290 |     let tokens: Vec<_> = t.into_iter().collect();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `t`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/token.rs:304:26
[INFO] [stderr]     |
[INFO] [stderr] 304 |     let tokens: Vec<_> = t.into_iter().collect();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `t`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/token.rs:317:26
[INFO] [stderr]     |
[INFO] [stderr] 317 |     let tokens: Vec<_> = t.into_iter().collect();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `t`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `"docker" "inspect" "0dc93a9ae659fe31decff8f28018a68cac0f7800d701604e93710ec86856bb8a"`
[INFO] running `"docker" "rm" "-f" "0dc93a9ae659fe31decff8f28018a68cac0f7800d701604e93710ec86856bb8a"`
[INFO] [stdout] 0dc93a9ae659fe31decff8f28018a68cac0f7800d701604e93710ec86856bb8a