[INFO] crate seax_util 0.1.2 is already in cache
[INFO] extracting crate seax_util 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/seax_util/0.1.2
[INFO] extracting crate seax_util 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/seax_util/0.1.2
[INFO] validating manifest of seax_util-0.1.2 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 seax_util-0.1.2 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 seax_util-0.1.2
[INFO] finished frobbing seax_util-0.1.2
[INFO] frobbed toml for seax_util-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/seax_util/0.1.2/Cargo.toml
[INFO] started frobbing seax_util-0.1.2
[INFO] finished frobbing seax_util-0.1.2
[INFO] frobbed toml for seax_util-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/seax_util/0.1.2/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 seax_util-0.1.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/seax_util/0.1.2:/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] dbe4b51177ff0f190762ae59381bf416b4495cf3783e38d683b11d5376fa389e
[INFO] running `"docker" "start" "-a" "dbe4b51177ff0f190762ae59381bf416b4495cf3783e38d683b11d5376fa389e"`
[INFO] [stderr]     Checking seax_util v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/compiler_tools/ast.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const INDENT: &'static str = "\t";
[INFO] [stderr]   |                   -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]    --> src/bytecode/mod.rs:127:23
[INFO] [stderr]     |
[INFO] [stderr] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/list/mod.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 | /         match self {
[INFO] [stderr] 143 | |             &Nil => None,
[INFO] [stderr] 144 | |             &Cons(ref it,_) => Some(it)
[INFO] [stderr] 145 | |         }
[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] 142 |         match *self {
[INFO] [stderr] 143 |             Nil => None,
[INFO] [stderr] 144 |             Cons(ref it,_) => Some(it)
[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/list/mod.rs:364:5
[INFO] [stderr]     |
[INFO] [stderr] 364 | /     pub fn tail<'a>(&'a self) -> &'a Self {
[INFO] [stderr] 365 | |         match self {
[INFO] [stderr] 366 | |             &Cons(_, ref cdr) => cdr,
[INFO] [stderr] 367 | |             nil @ &Nil        => nil
[INFO] [stderr] 368 | |         }
[INFO] [stderr] 369 | |     }
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/list/mod.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 | /     pub fn iter<'a>(&'a self) -> ListIterator<'a, T> {
[INFO] [stderr] 376 | |         ListIterator{current: self}
[INFO] [stderr] 377 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/list/mod.rs:433:5
[INFO] [stderr]     |
[INFO] [stderr] 433 | /     pub fn get<'a>(&'a self, index: u64) -> Option<&'a T> {
[INFO] [stderr] 434 | |         match (0..index).fold(self, |acc, _| acc.tail()) {
[INFO] [stderr] 435 | |             &Cons(ref car,_) => Some(car),
[INFO] [stderr] 436 | |             &Nil             => None
[INFO] [stderr] 437 | |         }
[INFO] [stderr] 438 | |
[INFO] [stderr] 439 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/list/mod.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 | /         match (0..index).fold(self, |acc, _| acc.tail()) {
[INFO] [stderr] 435 | |             &Cons(ref car,_) => Some(car),
[INFO] [stderr] 436 | |             &Nil             => None
[INFO] [stderr] 437 | |         }
[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] 434 |         match *(0..index).fold(self, |acc, _| acc.tail()) {
[INFO] [stderr] 435 |             Cons(ref car,_) => Some(car),
[INFO] [stderr] 436 |             Nil             => None
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/list/mod.rs:562:9
[INFO] [stderr]     |
[INFO] [stderr] 562 | /         match self.current {
[INFO] [stderr] 563 | |             &Cons(ref head, ref tail) => {
[INFO] [stderr] 564 | |                 self.current = &(**tail);
[INFO] [stderr] 565 | |                 Some(head)
[INFO] [stderr] 566 | |                 },
[INFO] [stderr] 567 | |             &Nil => None
[INFO] [stderr] 568 | |         }
[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] 562 |         match *self.current {
[INFO] [stderr] 563 |             Cons(ref head, ref tail) => {
[INFO] [stderr] 564 |                 self.current = &(**tail);
[INFO] [stderr] 565 |                 Some(head)
[INFO] [stderr] 566 |                 },
[INFO] [stderr] 567 |             Nil => None
[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/list/mod.rs:601:5
[INFO] [stderr]     |
[INFO] [stderr] 601 | /     fn index<'a>(&'a self, _index: usize) -> &'a T {
[INFO] [stderr] 602 | |         &self[_index as u64]
[INFO] [stderr] 603 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/list/mod.rs:629:5
[INFO] [stderr]     |
[INFO] [stderr] 629 | /     fn index<'a>(&'a self, _index: u64) -> &'a T {
[INFO] [stderr] 630 | |         self.get(_index)
[INFO] [stderr] 631 | |             .expect(&format!("list index {} out of range", _index))
[INFO] [stderr] 632 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/list/mod.rs:631:14
[INFO] [stderr]     |
[INFO] [stderr] 631 |             .expect(&format!("list index {} out of range", _index))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("list index {} out of range", _index))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[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/list/mod.rs:663:5
[INFO] [stderr]     |
[INFO] [stderr] 663 | /     fn index<'a>(&'a self, _index: i64) -> &'a T {
[INFO] [stderr] 664 | |         if _index < 0 {
[INFO] [stderr] 665 | |             panic!("attempt to access negative index {}", _index)
[INFO] [stderr] 666 | |         } else {
[INFO] [stderr] 667 | |             &self[_index as u64]
[INFO] [stderr] 668 | |         }
[INFO] [stderr] 669 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/list/mod.rs:700:5
[INFO] [stderr]     |
[INFO] [stderr] 700 | /     fn index<'a>(&'a self, _index: isize) -> &'a T {
[INFO] [stderr] 701 | |         if _index < 0 {
[INFO] [stderr] 702 | |             panic!("attempt to access negative index {}", _index)
[INFO] [stderr] 703 | |         } else {
[INFO] [stderr] 704 | |             &self[_index as u64]
[INFO] [stderr] 705 | |         }
[INFO] [stderr] 706 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/cell/mod.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 | /         match self {
[INFO] [stderr] 55 | |             &AtomCell(atom) => write!(f, "{:?}", atom),
[INFO] [stderr] 56 | |             &ListCell(ref list) => write!(f, "{:?}", list),
[INFO] [stderr] 57 | |             &InstCell(inst) => write!(f, "{:?}", inst)
[INFO] [stderr] 58 | |         }
[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] 54 |         match *self {
[INFO] [stderr] 55 |             AtomCell(atom) => write!(f, "{:?}", atom),
[INFO] [stderr] 56 |             ListCell(ref list) => write!(f, "{:?}", list),
[INFO] [stderr] 57 |             InstCell(inst) => write!(f, "{:?}", inst)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/cell/mod.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 | /         match self {
[INFO] [stderr] 93 | |             &Atom::UInt(value) => write!(f, "{}", value),
[INFO] [stderr] 94 | |             &Atom::SInt(value) => write!(f, "{}", value),
[INFO] [stderr] 95 | |             &Atom::Float(value) => write!(f, "{}", value),
[INFO] [stderr] 96 | |             &Atom::Char(value) => write!(f, "'{}'", value),
[INFO] [stderr] 97 | |         }
[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] 92 |         match *self {
[INFO] [stderr] 93 |             Atom::UInt(value) => write!(f, "{}", value),
[INFO] [stderr] 94 |             Atom::SInt(value) => write!(f, "{}", value),
[INFO] [stderr] 95 |             Atom::Float(value) => write!(f, "{}", value),
[INFO] [stderr] 96 |             Atom::Char(value) => write!(f, "'{}'", value),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/cell/mod.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 | /         match self {
[INFO] [stderr] 108 | |             &Atom::UInt(value) => write!(f, "{:?}u", value),
[INFO] [stderr] 109 | |             &Atom::SInt(value) => write!(f, "{:?}", value),
[INFO] [stderr] 110 | |             &Atom::Float(value) => write!(f, "{:?}f", value),
[INFO] [stderr] 111 | |             &Atom::Char(value) => write!(f, "'{}'", value),
[INFO] [stderr] 112 | |         }
[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] 107 |         match *self {
[INFO] [stderr] 108 |             Atom::UInt(value) => write!(f, "{:?}u", value),
[INFO] [stderr] 109 |             Atom::SInt(value) => write!(f, "{:?}", value),
[INFO] [stderr] 110 |             Atom::Float(value) => write!(f, "{:?}f", value),
[INFO] [stderr] 111 |             Atom::Char(value) => write!(f, "'{}'", value),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/bytecode/mod.rs:205:22
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn decode_inst(byte: &u8) -> Result<Inst, String> {
[INFO] [stderr]     |                      ^^^ help: consider passing by value instead: `u8`
[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] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false
[INFO] [stderr]    --> src/bytecode/mod.rs:207:14
[INFO] [stderr]     |
[INFO] [stderr] 207 |         b if b >= BYTE_NIL && b < RESERVED_START =>
[INFO] [stderr]     |              ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::absurd_extreme_comparisons)] on by default
[INFO] [stderr]     = help: because BYTE_NIL is the minimum value for this type, this comparison is always true
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/bytecode/mod.rs:302:38
[INFO] [stderr]     |
[INFO] [stderr] 302 |     fn decode_const(&mut self, byte: &u8) -> Result<Atom, String> {
[INFO] [stderr]     |                                      ^^^ help: consider passing by value instead: `u8`
[INFO] [stderr]     |
[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: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/bytecode/mod.rs:325:30
[INFO] [stderr]     |
[INFO] [stderr] 325 |                             .ok_or(String::from("Could not read character."))
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| String::from("Could not read character."))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/bytecode/mod.rs:347:21
[INFO] [stderr]     |
[INFO] [stderr] 347 |                 car.ok_or(String::from("EOF while decoding CONS cell"))
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| String::from("EOF while decoding CONS cell"))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/bytecode/mod.rs:361:49
[INFO] [stderr]     |
[INFO] [stderr] 361 |                               .and_then(|cdr| cdr.ok_or(
[INFO] [stderr]     |  _________________________________________________^
[INFO] [stderr] 362 | |                                 String::from("EOF while decoding CONS")) )
[INFO] [stderr]     | |________________________________________________________________________^ help: try this: `ok_or_else(|| String::from("EOF while decoding CONS"))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `compiler_tools::forktable::ForkTable<'a, K, V>`
[INFO] [stderr]    --> src/compiler_tools/forktable.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 | /     pub fn new() -> ForkTable<'a, K,V> {
[INFO] [stderr] 376 | |         ForkTable {
[INFO] [stderr] 377 | |             table: HashMap::new(),
[INFO] [stderr] 378 | |             whiteouts: HashSet::new(),
[INFO] [stderr] ...   |
[INFO] [stderr] 381 | |         }
[INFO] [stderr] 382 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 29  | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/compiler_tools/forktable.rs:94:18
[INFO] [stderr]    |
[INFO] [stderr] 94 |                   .or(self.parent
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 95 | |                         .map_or(None, |ref parent| parent.get(key))
[INFO] [stderr] 96 | |                     )
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 .or_else(|| self.parent
[INFO] [stderr] 95 |                         .map_or(None, |ref parent| parent.get(key)))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `map_or(None, f)` on an Option value. This can be done more directly by calling `and_then(f)` instead
[INFO] [stderr]   --> src/compiler_tools/forktable.rs:94:21
[INFO] [stderr]    |
[INFO] [stderr] 94 |                   .or(self.parent
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 95 | |                         .map_or(None, |ref parent| parent.get(key))
[INFO] [stderr]    | |___________________________________________________________________^ help: try using and_then instead: `self.parent.and_then(|ref parent| parent.get(key))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_or_none)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_or_none
[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/compiler_tools/forktable.rs:390:5
[INFO] [stderr]     |
[INFO] [stderr] 390 | /     pub fn values<'b>(&'b self) -> Values<'b, K, V> {
[INFO] [stderr] 391 | |         self.table.values()
[INFO] [stderr] 392 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/compiler_tools/forktable.rs:400:5
[INFO] [stderr]     |
[INFO] [stderr] 400 | /     pub fn keys<'b>(&'b self) -> Keys<'b, K, V>{
[INFO] [stderr] 401 | |         self.table.keys()
[INFO] [stderr] 402 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/compiler_tools/forktable.rs:511:35
[INFO] [stderr]     |
[INFO] [stderr] 511 |             .map(|&( lvl, idx )| (lvl.clone(), idx.clone()) )
[INFO] [stderr]     |                                   ^^^^^^^^^^^ help: try removing the `clone` call: `lvl`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/compiler_tools/forktable.rs:511:48
[INFO] [stderr]     |
[INFO] [stderr] 511 |             .map(|&( lvl, idx )| (lvl.clone(), idx.clone()) )
[INFO] [stderr]     |                                                ^^^^^^^^^^^ help: try removing the `clone` call: `idx`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `seax_util`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/compiler_tools/ast.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const INDENT: &'static str = "\t";
[INFO] [stderr]   |                   -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]    --> src/bytecode/mod.rs:127:23
[INFO] [stderr]     |
[INFO] [stderr] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/list/mod.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 | /         match self {
[INFO] [stderr] 143 | |             &Nil => None,
[INFO] [stderr] 144 | |             &Cons(ref it,_) => Some(it)
[INFO] [stderr] 145 | |         }
[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] 142 |         match *self {
[INFO] [stderr] 143 |             Nil => None,
[INFO] [stderr] 144 |             Cons(ref it,_) => Some(it)
[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/list/mod.rs:364:5
[INFO] [stderr]     |
[INFO] [stderr] 364 | /     pub fn tail<'a>(&'a self) -> &'a Self {
[INFO] [stderr] 365 | |         match self {
[INFO] [stderr] 366 | |             &Cons(_, ref cdr) => cdr,
[INFO] [stderr] 367 | |             nil @ &Nil        => nil
[INFO] [stderr] 368 | |         }
[INFO] [stderr] 369 | |     }
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/list/mod.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 | /     pub fn iter<'a>(&'a self) -> ListIterator<'a, T> {
[INFO] [stderr] 376 | |         ListIterator{current: self}
[INFO] [stderr] 377 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/list/mod.rs:433:5
[INFO] [stderr]     |
[INFO] [stderr] 433 | /     pub fn get<'a>(&'a self, index: u64) -> Option<&'a T> {
[INFO] [stderr] 434 | |         match (0..index).fold(self, |acc, _| acc.tail()) {
[INFO] [stderr] 435 | |             &Cons(ref car,_) => Some(car),
[INFO] [stderr] 436 | |             &Nil             => None
[INFO] [stderr] 437 | |         }
[INFO] [stderr] 438 | |
[INFO] [stderr] 439 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/list/mod.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 | /         match (0..index).fold(self, |acc, _| acc.tail()) {
[INFO] [stderr] 435 | |             &Cons(ref car,_) => Some(car),
[INFO] [stderr] 436 | |             &Nil             => None
[INFO] [stderr] 437 | |         }
[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] 434 |         match *(0..index).fold(self, |acc, _| acc.tail()) {
[INFO] [stderr] 435 |             Cons(ref car,_) => Some(car),
[INFO] [stderr] 436 |             Nil             => None
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/list/mod.rs:562:9
[INFO] [stderr]     |
[INFO] [stderr] 562 | /         match self.current {
[INFO] [stderr] 563 | |             &Cons(ref head, ref tail) => {
[INFO] [stderr] 564 | |                 self.current = &(**tail);
[INFO] [stderr] 565 | |                 Some(head)
[INFO] [stderr] 566 | |                 },
[INFO] [stderr] 567 | |             &Nil => None
[INFO] [stderr] 568 | |         }
[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] 562 |         match *self.current {
[INFO] [stderr] 563 |             Cons(ref head, ref tail) => {
[INFO] [stderr] 564 |                 self.current = &(**tail);
[INFO] [stderr] 565 |                 Some(head)
[INFO] [stderr] 566 |                 },
[INFO] [stderr] 567 |             Nil => None
[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/list/mod.rs:601:5
[INFO] [stderr]     |
[INFO] [stderr] 601 | /     fn index<'a>(&'a self, _index: usize) -> &'a T {
[INFO] [stderr] 602 | |         &self[_index as u64]
[INFO] [stderr] 603 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/list/mod.rs:629:5
[INFO] [stderr]     |
[INFO] [stderr] 629 | /     fn index<'a>(&'a self, _index: u64) -> &'a T {
[INFO] [stderr] 630 | |         self.get(_index)
[INFO] [stderr] 631 | |             .expect(&format!("list index {} out of range", _index))
[INFO] [stderr] 632 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/list/mod.rs:631:14
[INFO] [stderr]     |
[INFO] [stderr] 631 |             .expect(&format!("list index {} out of range", _index))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("list index {} out of range", _index))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[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/list/mod.rs:663:5
[INFO] [stderr]     |
[INFO] [stderr] 663 | /     fn index<'a>(&'a self, _index: i64) -> &'a T {
[INFO] [stderr] 664 | |         if _index < 0 {
[INFO] [stderr] 665 | |             panic!("attempt to access negative index {}", _index)
[INFO] [stderr] 666 | |         } else {
[INFO] [stderr] 667 | |             &self[_index as u64]
[INFO] [stderr] 668 | |         }
[INFO] [stderr] 669 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/list/mod.rs:700:5
[INFO] [stderr]     |
[INFO] [stderr] 700 | /     fn index<'a>(&'a self, _index: isize) -> &'a T {
[INFO] [stderr] 701 | |         if _index < 0 {
[INFO] [stderr] 702 | |             panic!("attempt to access negative index {}", _index)
[INFO] [stderr] 703 | |         } else {
[INFO] [stderr] 704 | |             &self[_index as u64]
[INFO] [stderr] 705 | |         }
[INFO] [stderr] 706 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/cell/mod.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 | /         match self {
[INFO] [stderr] 55 | |             &AtomCell(atom) => write!(f, "{:?}", atom),
[INFO] [stderr] 56 | |             &ListCell(ref list) => write!(f, "{:?}", list),
[INFO] [stderr] 57 | |             &InstCell(inst) => write!(f, "{:?}", inst)
[INFO] [stderr] 58 | |         }
[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] 54 |         match *self {
[INFO] [stderr] 55 |             AtomCell(atom) => write!(f, "{:?}", atom),
[INFO] [stderr] 56 |             ListCell(ref list) => write!(f, "{:?}", list),
[INFO] [stderr] 57 |             InstCell(inst) => write!(f, "{:?}", inst)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/cell/mod.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 | /         match self {
[INFO] [stderr] 93 | |             &Atom::UInt(value) => write!(f, "{}", value),
[INFO] [stderr] 94 | |             &Atom::SInt(value) => write!(f, "{}", value),
[INFO] [stderr] 95 | |             &Atom::Float(value) => write!(f, "{}", value),
[INFO] [stderr] 96 | |             &Atom::Char(value) => write!(f, "'{}'", value),
[INFO] [stderr] 97 | |         }
[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] 92 |         match *self {
[INFO] [stderr] 93 |             Atom::UInt(value) => write!(f, "{}", value),
[INFO] [stderr] 94 |             Atom::SInt(value) => write!(f, "{}", value),
[INFO] [stderr] 95 |             Atom::Float(value) => write!(f, "{}", value),
[INFO] [stderr] 96 |             Atom::Char(value) => write!(f, "'{}'", value),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/cell/mod.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 | /         match self {
[INFO] [stderr] 108 | |             &Atom::UInt(value) => write!(f, "{:?}u", value),
[INFO] [stderr] 109 | |             &Atom::SInt(value) => write!(f, "{:?}", value),
[INFO] [stderr] 110 | |             &Atom::Float(value) => write!(f, "{:?}f", value),
[INFO] [stderr] 111 | |             &Atom::Char(value) => write!(f, "'{}'", value),
[INFO] [stderr] 112 | |         }
[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] 107 |         match *self {
[INFO] [stderr] 108 |             Atom::UInt(value) => write!(f, "{:?}u", value),
[INFO] [stderr] 109 |             Atom::SInt(value) => write!(f, "{:?}", value),
[INFO] [stderr] 110 |             Atom::Float(value) => write!(f, "{:?}f", value),
[INFO] [stderr] 111 |             Atom::Char(value) => write!(f, "'{}'", value),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/bytecode/mod.rs:205:22
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn decode_inst(byte: &u8) -> Result<Inst, String> {
[INFO] [stderr]     |                      ^^^ help: consider passing by value instead: `u8`
[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] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false
[INFO] [stderr]    --> src/bytecode/mod.rs:207:14
[INFO] [stderr]     |
[INFO] [stderr] 207 |         b if b >= BYTE_NIL && b < RESERVED_START =>
[INFO] [stderr]     |              ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::absurd_extreme_comparisons)] on by default
[INFO] [stderr]     = help: because BYTE_NIL is the minimum value for this type, this comparison is always true
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/bytecode/mod.rs:302:38
[INFO] [stderr]     |
[INFO] [stderr] 302 |     fn decode_const(&mut self, byte: &u8) -> Result<Atom, String> {
[INFO] [stderr]     |                                      ^^^ help: consider passing by value instead: `u8`
[INFO] [stderr]     |
[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: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/bytecode/mod.rs:325:30
[INFO] [stderr]     |
[INFO] [stderr] 325 |                             .ok_or(String::from("Could not read character."))
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| String::from("Could not read character."))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/bytecode/mod.rs:347:21
[INFO] [stderr]     |
[INFO] [stderr] 347 |                 car.ok_or(String::from("EOF while decoding CONS cell"))
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| String::from("EOF while decoding CONS cell"))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/bytecode/mod.rs:361:49
[INFO] [stderr]     |
[INFO] [stderr] 361 |                               .and_then(|cdr| cdr.ok_or(
[INFO] [stderr]     |  _________________________________________________^
[INFO] [stderr] 362 | |                                 String::from("EOF while decoding CONS")) )
[INFO] [stderr]     | |________________________________________________________________________^ help: try this: `ok_or_else(|| String::from("EOF while decoding CONS"))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `compiler_tools::forktable::ForkTable<'a, K, V>`
[INFO] [stderr]    --> src/compiler_tools/forktable.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 | /     pub fn new() -> ForkTable<'a, K,V> {
[INFO] [stderr] 376 | |         ForkTable {
[INFO] [stderr] 377 | |             table: HashMap::new(),
[INFO] [stderr] 378 | |             whiteouts: HashSet::new(),
[INFO] [stderr] ...   |
[INFO] [stderr] 381 | |         }
[INFO] [stderr] 382 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 29  | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/compiler_tools/forktable.rs:94:18
[INFO] [stderr]    |
[INFO] [stderr] 94 |                   .or(self.parent
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 95 | |                         .map_or(None, |ref parent| parent.get(key))
[INFO] [stderr] 96 | |                     )
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 .or_else(|| self.parent
[INFO] [stderr] 95 |                         .map_or(None, |ref parent| parent.get(key)))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `map_or(None, f)` on an Option value. This can be done more directly by calling `and_then(f)` instead
[INFO] [stderr]   --> src/compiler_tools/forktable.rs:94:21
[INFO] [stderr]    |
[INFO] [stderr] 94 |                   .or(self.parent
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 95 | |                         .map_or(None, |ref parent| parent.get(key))
[INFO] [stderr]    | |___________________________________________________________________^ help: try using and_then instead: `self.parent.and_then(|ref parent| parent.get(key))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_or_none)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_or_none
[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/compiler_tools/forktable.rs:390:5
[INFO] [stderr]     |
[INFO] [stderr] 390 | /     pub fn values<'b>(&'b self) -> Values<'b, K, V> {
[INFO] [stderr] 391 | |         self.table.values()
[INFO] [stderr] 392 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/compiler_tools/forktable.rs:400:5
[INFO] [stderr]     |
[INFO] [stderr] 400 | /     pub fn keys<'b>(&'b self) -> Keys<'b, K, V>{
[INFO] [stderr] 401 | |         self.table.keys()
[INFO] [stderr] 402 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/compiler_tools/forktable.rs:511:35
[INFO] [stderr]     |
[INFO] [stderr] 511 |             .map(|&( lvl, idx )| (lvl.clone(), idx.clone()) )
[INFO] [stderr]     |                                   ^^^^^^^^^^^ help: try removing the `clone` call: `lvl`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/compiler_tools/forktable.rs:511:48
[INFO] [stderr]     |
[INFO] [stderr] 511 |             .map(|&( lvl, idx )| (lvl.clone(), idx.clone()) )
[INFO] [stderr]     |                                                ^^^^^^^^^^^ help: try removing the `clone` call: `idx`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `seax_util`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dbe4b51177ff0f190762ae59381bf416b4495cf3783e38d683b11d5376fa389e"`
[INFO] running `"docker" "rm" "-f" "dbe4b51177ff0f190762ae59381bf416b4495cf3783e38d683b11d5376fa389e"`
[INFO] [stdout] dbe4b51177ff0f190762ae59381bf416b4495cf3783e38d683b11d5376fa389e