[INFO] updating cached repository LLBlumire/mimir
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LLBlumire/mimir
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LLBlumire/mimir" "work/ex/clippy-test-run/sources/stable/gh/LLBlumire/mimir"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/LLBlumire/mimir'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LLBlumire/mimir" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LLBlumire/mimir"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LLBlumire/mimir'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8a51aa355d89fcfc0fbe131df0783c0358f8570d
[INFO] sha for GitHub repo LLBlumire/mimir: 8a51aa355d89fcfc0fbe131df0783c0358f8570d
[INFO] validating manifest of LLBlumire/mimir 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 LLBlumire/mimir 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 LLBlumire/mimir
[INFO] finished frobbing LLBlumire/mimir
[INFO] frobbed toml for LLBlumire/mimir written to work/ex/clippy-test-run/sources/stable/gh/LLBlumire/mimir/Cargo.toml
[INFO] started frobbing LLBlumire/mimir
[INFO] finished frobbing LLBlumire/mimir
[INFO] frobbed toml for LLBlumire/mimir written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LLBlumire/mimir/Cargo.toml
[INFO] crate LLBlumire/mimir has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting LLBlumire/mimir 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-2/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/gh/LLBlumire/mimir:/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] aee2146fc0065ec2e4ee9baa480312f1ba31fb6f4843f6aa859cce96c78e2645
[INFO] running `"docker" "start" "-a" "aee2146fc0065ec2e4ee9baa480312f1ba31fb6f4843f6aa859cce96c78e2645"`
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking mimir v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/token.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         return !(n == '"');
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `!(n == '"')`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/token.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |                         return true;
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/object.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/token.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         return !(n == '"');
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `!(n == '"')`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/token.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |                         return true;
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/object.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |     if let Some(matches) = matches.subcommand_matches("live") {
[INFO] [stderr]    |                 ^^^^^^^ help: consider using `_matches` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |     if let Some(matches) = matches.subcommand_matches("build") {
[INFO] [stderr]    |                 ^^^^^^^ help: consider using `_matches` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `re_add` is never read
[INFO] [stderr]   --> src/mimir.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut re_add = false;
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]   --> src/object.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Type(Type),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Void`
[INFO] [stderr]   --> src/object.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Void(Type),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/object.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     List(Vec<Object>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LocalFunction`
[INFO] [stderr]   --> src/object.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     LocalFunction(StackFrame),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_type`
[INFO] [stderr]   --> src/object.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn to_type(&self) -> Type {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Text`
[INFO] [stderr]   --> src/object.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Text,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/object.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Float,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/object.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Number,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]   --> src/object.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Type,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/object.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     List,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/object.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Function,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Symbol`
[INFO] [stderr]   --> src/object.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Symbol,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/mimir.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 | /                 match token {
[INFO] [stderr] 36 | |                     &Token::Symbol(ref sym) => {
[INFO] [stderr] 37 | |                         let mut symdup = None;
[INFO] [stderr] 38 | |                         for pool in self.names.iter().rev() {
[INFO] [stderr] ...  |
[INFO] [stderr] 74 | |                     _ => {}
[INFO] [stderr] 75 | |                 }
[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] 35 |                 match *token {
[INFO] [stderr] 36 |                     Token::Symbol(ref sym) => {
[INFO] [stderr] 37 |                         let mut symdup = None;
[INFO] [stderr] 38 |                         for pool in self.names.iter().rev() {
[INFO] [stderr] 39 |                             symdup = pool.get(sym);
[INFO] [stderr] 40 |                             if symdup.is_some() {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/mimir.rs:62:33
[INFO] [stderr]    |
[INFO] [stderr] 62 | /                                 if let &Object::Symbol(ref sym) = bind_name.deref() {
[INFO] [stderr] 63 | |                                     self.names.last_mut().expect("Unexepected stack error").insert(sym.clone(), val);
[INFO] [stderr] 64 | |                                 } else {
[INFO] [stderr] 65 | |                                     panic!("Cannot bind to non symbol");
[INFO] [stderr] 66 | |                                 }
[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] 62 |                                 if let Object::Symbol(ref sym) = *bind_name.deref() {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/mimir.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 | /             if let &mut Some(ref mut this_frame) = &mut this_frame {
[INFO] [stderr] 83 | |                 if let &mut Some(ref mut last_frame) = &mut last_frame {
[INFO] [stderr] 84 | |                     last_frame.append(this_frame)
[INFO] [stderr] 85 | |                 }
[INFO] [stderr] 86 | |             }
[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 |             if let Some(ref mut this_frame) = *(&mut this_frame) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/mimir.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 | /                 if let &mut Some(ref mut last_frame) = &mut last_frame {
[INFO] [stderr] 84 | |                     last_frame.append(this_frame)
[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] 83 |                 if let Some(ref mut last_frame) = *(&mut last_frame) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/token.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         return !(n == '"');
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: try: `n != '"'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/token.rs:135:26
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn is_reserved_symbol(c: &char) -> bool {
[INFO] [stderr]     |                          ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/object.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         match self {
[INFO] [stderr] 22 | |             &Object::Text(_) => Type::Text,
[INFO] [stderr] 23 | |             &Object::Float(_) => Type::Float,
[INFO] [stderr] 24 | |             &Object::Number(_) => Type::Number,
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |             &Object::Symbol(_) => Type::Symbol,
[INFO] [stderr] 31 | |         }
[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] 21 |         match *self {
[INFO] [stderr] 22 |             Object::Text(_) => Type::Text,
[INFO] [stderr] 23 |             Object::Float(_) => Type::Float,
[INFO] [stderr] 24 |             Object::Number(_) => Type::Number,
[INFO] [stderr] 25 |             Object::Type(_) => Type::Type,
[INFO] [stderr] 26 |             Object::Void(t) => t,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             stdout.write(b">> ");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             stdout.flush();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |     if let Some(matches) = matches.subcommand_matches("live") {
[INFO] [stderr]    |                 ^^^^^^^ help: consider using `_matches` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |     if let Some(matches) = matches.subcommand_matches("build") {
[INFO] [stderr]    |                 ^^^^^^^ help: consider using `_matches` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `re_add` is never read
[INFO] [stderr]   --> src/mimir.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut re_add = false;
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]   --> src/object.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Type(Type),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Void`
[INFO] [stderr]   --> src/object.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Void(Type),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/object.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     List(Vec<Object>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LocalFunction`
[INFO] [stderr]   --> src/object.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     LocalFunction(StackFrame),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_type`
[INFO] [stderr]   --> src/object.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn to_type(&self) -> Type {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Text`
[INFO] [stderr]   --> src/object.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Text,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/object.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Float,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/object.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Number,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]   --> src/object.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Type,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/object.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     List,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/object.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Function,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Symbol`
[INFO] [stderr]   --> src/object.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Symbol,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/mimir.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 | /                 match token {
[INFO] [stderr] 36 | |                     &Token::Symbol(ref sym) => {
[INFO] [stderr] 37 | |                         let mut symdup = None;
[INFO] [stderr] 38 | |                         for pool in self.names.iter().rev() {
[INFO] [stderr] ...  |
[INFO] [stderr] 74 | |                     _ => {}
[INFO] [stderr] 75 | |                 }
[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] 35 |                 match *token {
[INFO] [stderr] 36 |                     Token::Symbol(ref sym) => {
[INFO] [stderr] 37 |                         let mut symdup = None;
[INFO] [stderr] 38 |                         for pool in self.names.iter().rev() {
[INFO] [stderr] 39 |                             symdup = pool.get(sym);
[INFO] [stderr] 40 |                             if symdup.is_some() {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/mimir.rs:62:33
[INFO] [stderr]    |
[INFO] [stderr] 62 | /                                 if let &Object::Symbol(ref sym) = bind_name.deref() {
[INFO] [stderr] 63 | |                                     self.names.last_mut().expect("Unexepected stack error").insert(sym.clone(), val);
[INFO] [stderr] 64 | |                                 } else {
[INFO] [stderr] 65 | |                                     panic!("Cannot bind to non symbol");
[INFO] [stderr] 66 | |                                 }
[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] 62 |                                 if let Object::Symbol(ref sym) = *bind_name.deref() {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/mimir.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 | /             if let &mut Some(ref mut this_frame) = &mut this_frame {
[INFO] [stderr] 83 | |                 if let &mut Some(ref mut last_frame) = &mut last_frame {
[INFO] [stderr] 84 | |                     last_frame.append(this_frame)
[INFO] [stderr] 85 | |                 }
[INFO] [stderr] 86 | |             }
[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 |             if let Some(ref mut this_frame) = *(&mut this_frame) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/mimir.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 | /                 if let &mut Some(ref mut last_frame) = &mut last_frame {
[INFO] [stderr] 84 | |                     last_frame.append(this_frame)
[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] 83 |                 if let Some(ref mut last_frame) = *(&mut last_frame) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/token.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         return !(n == '"');
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: try: `n != '"'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/token.rs:135:26
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn is_reserved_symbol(c: &char) -> bool {
[INFO] [stderr]     |                          ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/object.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         match self {
[INFO] [stderr] 22 | |             &Object::Text(_) => Type::Text,
[INFO] [stderr] 23 | |             &Object::Float(_) => Type::Float,
[INFO] [stderr] 24 | |             &Object::Number(_) => Type::Number,
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |             &Object::Symbol(_) => Type::Symbol,
[INFO] [stderr] 31 | |         }
[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] 21 |         match *self {
[INFO] [stderr] 22 |             Object::Text(_) => Type::Text,
[INFO] [stderr] 23 |             Object::Float(_) => Type::Float,
[INFO] [stderr] 24 |             Object::Number(_) => Type::Number,
[INFO] [stderr] 25 |             Object::Type(_) => Type::Type,
[INFO] [stderr] 26 |             Object::Void(t) => t,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             stdout.write(b">> ");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             stdout.flush();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "aee2146fc0065ec2e4ee9baa480312f1ba31fb6f4843f6aa859cce96c78e2645"`
[INFO] running `"docker" "rm" "-f" "aee2146fc0065ec2e4ee9baa480312f1ba31fb6f4843f6aa859cce96c78e2645"`
[INFO] [stdout] aee2146fc0065ec2e4ee9baa480312f1ba31fb6f4843f6aa859cce96c78e2645