[INFO] crate tcalc 1.6.13 is already in cache
[INFO] extracting crate tcalc 1.6.13 into work/ex/clippy-test-run/sources/stable/reg/tcalc/1.6.13
[INFO] extracting crate tcalc 1.6.13 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tcalc/1.6.13
[INFO] validating manifest of tcalc-1.6.13 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 tcalc-1.6.13 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 tcalc-1.6.13
[INFO] finished frobbing tcalc-1.6.13
[INFO] frobbed toml for tcalc-1.6.13 written to work/ex/clippy-test-run/sources/stable/reg/tcalc/1.6.13/Cargo.toml
[INFO] started frobbing tcalc-1.6.13
[INFO] finished frobbing tcalc-1.6.13
[INFO] frobbed toml for tcalc-1.6.13 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tcalc/1.6.13/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 tcalc-1.6.13 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/reg/tcalc/1.6.13:/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] a1d69102f22d40bca113a6a9537a25b17cad6cc058d308f7cb6cf919369b4b67
[INFO] running `"docker" "start" "-a" "a1d69102f22d40bca113a6a9537a25b17cad6cc058d308f7cb6cf919369b4b67"`
[INFO] [stderr]     Checking tcalc-rustyline v1.0.1
[INFO] [stderr]     Checking tcalc v1.6.13 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/buffered_iterator.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 |             itr: itr,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `itr`
[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/scanning.rs:110:4
[INFO] [stderr]     |
[INFO] [stderr] 110 |             token_type: token_type,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `token_type`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/scanning.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 |             length: length
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `length`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/scanning.rs:258:5
[INFO] [stderr]     |
[INFO] [stderr] 258 |                 prefix: prefix
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: replace it with: `prefix`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/scanning.rs:282:27
[INFO] [stderr]     |
[INFO] [stderr] 282 |             TokenType::Identifier{ str: str },
[INFO] [stderr]     |                                    ^^^^^^^^ help: replace it with: `str`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsing.rs:132:4
[INFO] [stderr]     |
[INFO] [stderr] 132 |             var: var,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `var`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsing.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 op: op,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `op`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsing.rs:285:5
[INFO] [stderr]     |
[INFO] [stderr] 285 |                 op: op,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `op`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/running.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 |             scope: scope
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `scope`
[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: using `println!("")`
[INFO] [stderr]    --> src/main.rs:129:7
[INFO] [stderr]     |
[INFO] [stderr] 129 |                         println!("");
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/buffered_iterator.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 |             itr: itr,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `itr`
[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/scanning.rs:110:4
[INFO] [stderr]     |
[INFO] [stderr] 110 |             token_type: token_type,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `token_type`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/scanning.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 |             length: length
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `length`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/scanning.rs:258:5
[INFO] [stderr]     |
[INFO] [stderr] 258 |                 prefix: prefix
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: replace it with: `prefix`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/scanning.rs:282:27
[INFO] [stderr]     |
[INFO] [stderr] 282 |             TokenType::Identifier{ str: str },
[INFO] [stderr]     |                                    ^^^^^^^^ help: replace it with: `str`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsing.rs:132:4
[INFO] [stderr]     |
[INFO] [stderr] 132 |             var: var,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `var`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsing.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 op: op,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `op`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsing.rs:285:5
[INFO] [stderr]     |
[INFO] [stderr] 285 |                 op: op,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `op`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/running.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 |             scope: scope
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `scope`
[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: using `println!("")`
[INFO] [stderr]    --> src/main.rs:129:7
[INFO] [stderr]     |
[INFO] [stderr] 129 |                         println!("");
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/buffered_iterator.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |           return match self.buf.is_empty() {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 19 | |             true => self.itr.next(),
[INFO] [stderr] 20 | |             false => self.buf.pop()
[INFO] [stderr] 21 | |         };
[INFO] [stderr]    | |__________^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 18 |         match self.buf.is_empty() {
[INFO] [stderr] 19 |             true => self.itr.next(),
[INFO] [stderr] 20 |             false => self.buf.pop()
[INFO] [stderr] 21 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:65:27
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let history_path = match env::home_dir() {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/buffered_iterator.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |           return match self.buf.is_empty() {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 19 | |             true => self.itr.next(),
[INFO] [stderr] 20 | |             false => self.buf.pop()
[INFO] [stderr] 21 | |         };
[INFO] [stderr]    | |__________^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 18 |         match self.buf.is_empty() {
[INFO] [stderr] 19 |             true => self.itr.next(),
[INFO] [stderr] 20 |             false => self.buf.pop()
[INFO] [stderr] 21 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/parsing.rs:371:79
[INFO] [stderr]     |
[INFO] [stderr] 371 |         expect("0_123_456_789", Ast::Expression(Expression::Literal(Literal::Number(123456789f64))));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^ help: consider: `123_456_789f64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:65:27
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let history_path = match env::home_dir() {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/buffered_iterator.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |           return match self.buf.is_empty() {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 19 | |             true => self.itr.next(),
[INFO] [stderr] 20 | |             false => self.buf.pop()
[INFO] [stderr] 21 | |         };
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if self.buf.is_empty() { self.itr.next() } else { self.buf.pop() }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 170 | |                     &TokenType::Pipe => Some(BinaryOp::BitOr),
[INFO] [stderr] 171 | |                     _ => None
[INFO] [stderr] 172 | |                 }
[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] 169 |                 match *tt {
[INFO] [stderr] 170 |                     TokenType::Pipe => Some(BinaryOp::BitOr),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 184 | |                 &TokenType::Caret => Some(BinaryOp::BitXor),
[INFO] [stderr] 185 | |                     _ => None
[INFO] [stderr] 186 | |                 }
[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] 183 |                 match *tt {
[INFO] [stderr] 184 |                 TokenType::Caret => Some(BinaryOp::BitXor),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 198 | |                 &TokenType::Ampersand => Some(BinaryOp::BitAnd),
[INFO] [stderr] 199 | |                     _ => None
[INFO] [stderr] 200 | |                 }
[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] 197 |                 match *tt {
[INFO] [stderr] 198 |                 TokenType::Ampersand => Some(BinaryOp::BitAnd),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 212 | |                 &TokenType::LeftAngleBracketX2 => Some(BinaryOp::LeftShift),
[INFO] [stderr] 213 | |                 &TokenType::RightAngleBracketX2 => Some(BinaryOp::RightShift),
[INFO] [stderr] 214 | |                     _ => None
[INFO] [stderr] 215 | |                 }
[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] 211 |                 match *tt {
[INFO] [stderr] 212 |                 TokenType::LeftAngleBracketX2 => Some(BinaryOp::LeftShift),
[INFO] [stderr] 213 |                 TokenType::RightAngleBracketX2 => Some(BinaryOp::RightShift),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 227 | |                 &TokenType::Plus => Some(BinaryOp::Plus),
[INFO] [stderr] 228 | |                 &TokenType::Minus => Some(BinaryOp::Minus),
[INFO] [stderr] 229 | |                     _ => None
[INFO] [stderr] 230 | |                 }
[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] 226 |                 match *tt {
[INFO] [stderr] 227 |                 TokenType::Plus => Some(BinaryOp::Plus),
[INFO] [stderr] 228 |                 TokenType::Minus => Some(BinaryOp::Minus),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 242 | |                 &TokenType::Star => Some(BinaryOp::Multiply),
[INFO] [stderr] 243 | |                 &TokenType::ForwardSlash => Some(BinaryOp::Divide),
[INFO] [stderr] 244 | |                 &TokenType::Percent => Some(BinaryOp::Modulo),
[INFO] [stderr] 245 | |                     _ => None
[INFO] [stderr] 246 | |                 }
[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] 241 |                 match *tt {
[INFO] [stderr] 242 |                 TokenType::Star => Some(BinaryOp::Multiply),
[INFO] [stderr] 243 |                 TokenType::ForwardSlash => Some(BinaryOp::Divide),
[INFO] [stderr] 244 |                 TokenType::Percent => Some(BinaryOp::Modulo),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 258 | |                 &TokenType::StarX2 => Some(BinaryOp::Exponent),
[INFO] [stderr] 259 | |                     _ => None
[INFO] [stderr] 260 | |                 }
[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] 257 |                 match *tt {
[INFO] [stderr] 258 |                 TokenType::StarX2 => Some(BinaryOp::Exponent),
[INFO] [stderr]     |
[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/parsing.rs:349:1
[INFO] [stderr]     |
[INFO] [stderr] 349 | / pub fn parse<'a>(input: &'a str) -> Option<Ast> {
[INFO] [stderr] 350 | |     Parser::new(input).parse_ast()
[INFO] [stderr] 351 | | }
[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: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/main.rs:45:14
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn run_exprs<'a, I>(inputs: I) where I: Iterator<Item=String> {
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:49:3
[INFO] [stderr]    |
[INFO] [stderr] 49 |           match parsing::parse(&str) {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 50 | |             Some(Ast::Expression(expr)) => {
[INFO] [stderr] 51 | |                 match runner.run(expr) {
[INFO] [stderr] 52 | |                     Ok(v) => println!("{}", v),
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |             _ => {}
[INFO] [stderr] 57 | |         } // match
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 49 |         if let Some(Ast::Expression(expr)) = parsing::parse(&str) {
[INFO] [stderr] 50 |     match runner.run(expr) {
[INFO] [stderr] 51 |         Ok(v) => println!("{}", v),
[INFO] [stderr] 52 |         Err(msg) => println!("{}", msg),
[INFO] [stderr] 53 |     }
[INFO] [stderr] 54 | } // match
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]    --> src/main.rs:115:2
[INFO] [stderr]     |
[INFO] [stderr] 115 |       loop {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 116 | |         match peekable.peek() {
[INFO] [stderr] 117 | |             Some(arg) => match arg.as_str() {
[INFO] [stderr] 118 | |                 "--help" => {
[INFO] [stderr] ...   |
[INFO] [stderr] 137 | |         } // match
[INFO] [stderr] 138 | |     } // loop
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/main.rs:115:2
[INFO] [stderr]     |
[INFO] [stderr] 115 |       loop {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 116 | |         match peekable.peek() {
[INFO] [stderr] 117 | |             Some(arg) => match arg.as_str() {
[INFO] [stderr] 118 | |                 "--help" => {
[INFO] [stderr] ...   |
[INFO] [stderr] 137 | |         } // match
[INFO] [stderr] 138 | |     } // loop
[INFO] [stderr]     | |_____^ help: try: `while let Some(arg) = peekable.peek() { .. }`
[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tcalc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/buffered_iterator.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |           return match self.buf.is_empty() {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 19 | |             true => self.itr.next(),
[INFO] [stderr] 20 | |             false => self.buf.pop()
[INFO] [stderr] 21 | |         };
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if self.buf.is_empty() { self.itr.next() } else { self.buf.pop() }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 170 | |                     &TokenType::Pipe => Some(BinaryOp::BitOr),
[INFO] [stderr] 171 | |                     _ => None
[INFO] [stderr] 172 | |                 }
[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] 169 |                 match *tt {
[INFO] [stderr] 170 |                     TokenType::Pipe => Some(BinaryOp::BitOr),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 184 | |                 &TokenType::Caret => Some(BinaryOp::BitXor),
[INFO] [stderr] 185 | |                     _ => None
[INFO] [stderr] 186 | |                 }
[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] 183 |                 match *tt {
[INFO] [stderr] 184 |                 TokenType::Caret => Some(BinaryOp::BitXor),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 198 | |                 &TokenType::Ampersand => Some(BinaryOp::BitAnd),
[INFO] [stderr] 199 | |                     _ => None
[INFO] [stderr] 200 | |                 }
[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] 197 |                 match *tt {
[INFO] [stderr] 198 |                 TokenType::Ampersand => Some(BinaryOp::BitAnd),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 212 | |                 &TokenType::LeftAngleBracketX2 => Some(BinaryOp::LeftShift),
[INFO] [stderr] 213 | |                 &TokenType::RightAngleBracketX2 => Some(BinaryOp::RightShift),
[INFO] [stderr] 214 | |                     _ => None
[INFO] [stderr] 215 | |                 }
[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] 211 |                 match *tt {
[INFO] [stderr] 212 |                 TokenType::LeftAngleBracketX2 => Some(BinaryOp::LeftShift),
[INFO] [stderr] 213 |                 TokenType::RightAngleBracketX2 => Some(BinaryOp::RightShift),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 227 | |                 &TokenType::Plus => Some(BinaryOp::Plus),
[INFO] [stderr] 228 | |                 &TokenType::Minus => Some(BinaryOp::Minus),
[INFO] [stderr] 229 | |                     _ => None
[INFO] [stderr] 230 | |                 }
[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] 226 |                 match *tt {
[INFO] [stderr] 227 |                 TokenType::Plus => Some(BinaryOp::Plus),
[INFO] [stderr] 228 |                 TokenType::Minus => Some(BinaryOp::Minus),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 242 | |                 &TokenType::Star => Some(BinaryOp::Multiply),
[INFO] [stderr] 243 | |                 &TokenType::ForwardSlash => Some(BinaryOp::Divide),
[INFO] [stderr] 244 | |                 &TokenType::Percent => Some(BinaryOp::Modulo),
[INFO] [stderr] 245 | |                     _ => None
[INFO] [stderr] 246 | |                 }
[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] 241 |                 match *tt {
[INFO] [stderr] 242 |                 TokenType::Star => Some(BinaryOp::Multiply),
[INFO] [stderr] 243 |                 TokenType::ForwardSlash => Some(BinaryOp::Divide),
[INFO] [stderr] 244 |                 TokenType::Percent => Some(BinaryOp::Modulo),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/parsing.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 |                   match tt {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 258 | |                 &TokenType::StarX2 => Some(BinaryOp::Exponent),
[INFO] [stderr] 259 | |                     _ => None
[INFO] [stderr] 260 | |                 }
[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] 257 |                 match *tt {
[INFO] [stderr] 258 |                 TokenType::StarX2 => Some(BinaryOp::Exponent),
[INFO] [stderr]     |
[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/parsing.rs:349:1
[INFO] [stderr]     |
[INFO] [stderr] 349 | / pub fn parse<'a>(input: &'a str) -> Option<Ast> {
[INFO] [stderr] 350 | |     Parser::new(input).parse_ast()
[INFO] [stderr] 351 | | }
[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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:124:3
[INFO] [stderr]     |
[INFO] [stderr] 124 |         assert_eq!(solve("123"), 123f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:124:3
[INFO] [stderr]     |
[INFO] [stderr] 124 |         assert_eq!(solve("123"), 123f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:125:3
[INFO] [stderr]     |
[INFO] [stderr] 125 |         assert_eq!(solve("123.456"), 123.456f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:125:3
[INFO] [stderr]     |
[INFO] [stderr] 125 |         assert_eq!(solve("123.456"), 123.456f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:126:3
[INFO] [stderr]     |
[INFO] [stderr] 126 |         assert_eq!(solve("1_234.567"), 1_234.567f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:126:3
[INFO] [stderr]     |
[INFO] [stderr] 126 |         assert_eq!(solve("1_234.567"), 1_234.567f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:131:3
[INFO] [stderr]     |
[INFO] [stderr] 131 |         assert_eq!(solve("a=123"), 123f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:131:3
[INFO] [stderr]     |
[INFO] [stderr] 131 |         assert_eq!(solve("a=123"), 123f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:136:3
[INFO] [stderr]     |
[INFO] [stderr] 136 |         assert_eq!(solve("e"), E);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:136:3
[INFO] [stderr]     |
[INFO] [stderr] 136 |         assert_eq!(solve("e"), E);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:141:3
[INFO] [stderr]     |
[INFO] [stderr] 141 |         assert_eq!(solve("(123)"), 123f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:141:3
[INFO] [stderr]     |
[INFO] [stderr] 141 |         assert_eq!(solve("(123)"), 123f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:142:3
[INFO] [stderr]     |
[INFO] [stderr] 142 |         assert_eq!(solve("(pi)"), PI);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:142:3
[INFO] [stderr]     |
[INFO] [stderr] 142 |         assert_eq!(solve("(pi)"), PI);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:147:3
[INFO] [stderr]     |
[INFO] [stderr] 147 |         assert_eq!(solve("-123"), -123f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:147:3
[INFO] [stderr]     |
[INFO] [stderr] 147 |         assert_eq!(solve("-123"), -123f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:148:3
[INFO] [stderr]     |
[INFO] [stderr] 148 |         assert_eq!(solve("!e"), !(E as i64) as f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:148:3
[INFO] [stderr]     |
[INFO] [stderr] 148 |         assert_eq!(solve("!e"), !(E as i64) as f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:153:3
[INFO] [stderr]     |
[INFO] [stderr] 153 |         assert_eq!(solve("2&7"), 2f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:153:3
[INFO] [stderr]     |
[INFO] [stderr] 153 |         assert_eq!(solve("2&7"), 2f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:154:3
[INFO] [stderr]     |
[INFO] [stderr] 154 |         assert_eq!(solve("2|7"), 7f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:154:3
[INFO] [stderr]     |
[INFO] [stderr] 154 |         assert_eq!(solve("2|7"), 7f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:155:3
[INFO] [stderr]     |
[INFO] [stderr] 155 |         assert_eq!(solve("2^7"), 5f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:155:3
[INFO] [stderr]     |
[INFO] [stderr] 155 |         assert_eq!(solve("2^7"), 5f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:156:3
[INFO] [stderr]     |
[INFO] [stderr] 156 |         assert_eq!(solve("2/7"), 2f64/7f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:156:3
[INFO] [stderr]     |
[INFO] [stderr] 156 |         assert_eq!(solve("2/7"), 2f64/7f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:157:3
[INFO] [stderr]     |
[INFO] [stderr] 157 |         assert_eq!(solve("2**7"), 128f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:157:3
[INFO] [stderr]     |
[INFO] [stderr] 157 |         assert_eq!(solve("2**7"), 128f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:158:3
[INFO] [stderr]     |
[INFO] [stderr] 158 |         assert_eq!(solve("2<<7"), 256f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:158:3
[INFO] [stderr]     |
[INFO] [stderr] 158 |         assert_eq!(solve("2<<7"), 256f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:159:3
[INFO] [stderr]     |
[INFO] [stderr] 159 |         assert_eq!(solve("2-7"), -5f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:159:3
[INFO] [stderr]     |
[INFO] [stderr] 159 |         assert_eq!(solve("2-7"), -5f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:160:3
[INFO] [stderr]     |
[INFO] [stderr] 160 |         assert_eq!(solve("2%7"), 2f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:160:3
[INFO] [stderr]     |
[INFO] [stderr] 160 |         assert_eq!(solve("2%7"), 2f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:161:3
[INFO] [stderr]     |
[INFO] [stderr] 161 |         assert_eq!(solve("2*7"), 14f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:161:3
[INFO] [stderr]     |
[INFO] [stderr] 161 |         assert_eq!(solve("2*7"), 14f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:162:3
[INFO] [stderr]     |
[INFO] [stderr] 162 |         assert_eq!(solve("2+7"), 9f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:162:3
[INFO] [stderr]     |
[INFO] [stderr] 162 |         assert_eq!(solve("2+7"), 9f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:163:3
[INFO] [stderr]     |
[INFO] [stderr] 163 |         assert_eq!(solve("2>>7"), 0f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:163:3
[INFO] [stderr]     |
[INFO] [stderr] 163 |         assert_eq!(solve("2>>7"), 0f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:168:3
[INFO] [stderr]     |
[INFO] [stderr] 168 |         assert_eq!(solve("6/3-2"), 0f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:168:3
[INFO] [stderr]     |
[INFO] [stderr] 168 |         assert_eq!(solve("6/3-2"), 0f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:169:3
[INFO] [stderr]     |
[INFO] [stderr] 169 |         assert_eq!(solve("6/(3-2)"), 6f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:169:3
[INFO] [stderr]     |
[INFO] [stderr] 169 |         assert_eq!(solve("6/(3-2)"), 6f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:170:3
[INFO] [stderr]     |
[INFO] [stderr] 170 |         assert_eq!(solve("6*3**2"), 54f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:170:3
[INFO] [stderr]     |
[INFO] [stderr] 170 |         assert_eq!(solve("6*3**2"), 54f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/running.rs:171:3
[INFO] [stderr]     |
[INFO] [stderr] 171 |         assert_eq!(solve("(6*3)**2"), 324f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/running.rs:171:3
[INFO] [stderr]     |
[INFO] [stderr] 171 |         assert_eq!(solve("(6*3)**2"), 324f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/main.rs:45:14
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn run_exprs<'a, I>(inputs: I) where I: Iterator<Item=String> {
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:49:3
[INFO] [stderr]    |
[INFO] [stderr] 49 |           match parsing::parse(&str) {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 50 | |             Some(Ast::Expression(expr)) => {
[INFO] [stderr] 51 | |                 match runner.run(expr) {
[INFO] [stderr] 52 | |                     Ok(v) => println!("{}", v),
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |             _ => {}
[INFO] [stderr] 57 | |         } // match
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 49 |         if let Some(Ast::Expression(expr)) = parsing::parse(&str) {
[INFO] [stderr] 50 |     match runner.run(expr) {
[INFO] [stderr] 51 |         Ok(v) => println!("{}", v),
[INFO] [stderr] 52 |         Err(msg) => println!("{}", msg),
[INFO] [stderr] 53 |     }
[INFO] [stderr] 54 | } // match
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]    --> src/main.rs:115:2
[INFO] [stderr]     |
[INFO] [stderr] 115 |       loop {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 116 | |         match peekable.peek() {
[INFO] [stderr] 117 | |             Some(arg) => match arg.as_str() {
[INFO] [stderr] 118 | |                 "--help" => {
[INFO] [stderr] ...   |
[INFO] [stderr] 137 | |         } // match
[INFO] [stderr] 138 | |     } // loop
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/main.rs:115:2
[INFO] [stderr]     |
[INFO] [stderr] 115 |       loop {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 116 | |         match peekable.peek() {
[INFO] [stderr] 117 | |             Some(arg) => match arg.as_str() {
[INFO] [stderr] 118 | |                 "--help" => {
[INFO] [stderr] ...   |
[INFO] [stderr] 137 | |         } // match
[INFO] [stderr] 138 | |     } // loop
[INFO] [stderr]     | |_____^ help: try: `while let Some(arg) = peekable.peek() { .. }`
[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] error: aborting due to 25 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tcalc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a1d69102f22d40bca113a6a9537a25b17cad6cc058d308f7cb6cf919369b4b67"`
[INFO] running `"docker" "rm" "-f" "a1d69102f22d40bca113a6a9537a25b17cad6cc058d308f7cb6cf919369b4b67"`
[INFO] [stdout] a1d69102f22d40bca113a6a9537a25b17cad6cc058d308f7cb6cf919369b4b67