[INFO] crate nock 0.4.0 is already in cache
[INFO] extracting crate nock 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/nock/0.4.0
[INFO] extracting crate nock 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nock/0.4.0
[INFO] validating manifest of nock-0.4.0 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 nock-0.4.0 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 nock-0.4.0
[INFO] finished frobbing nock-0.4.0
[INFO] frobbed toml for nock-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/nock/0.4.0/Cargo.toml
[INFO] started frobbing nock-0.4.0
[INFO] finished frobbing nock-0.4.0
[INFO] frobbed toml for nock-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nock/0.4.0/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 nock-0.4.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/nock/0.4.0:/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] 17d78fd873476b4260c5ef9d2ea2cfd3aceb199144c9189cd4e944202fe6d47c
[INFO] running `"docker" "start" "-a" "17d78fd873476b4260c5ef9d2ea2cfd3aceb199144c9189cd4e944202fe6d47c"`
[INFO] [stderr]     Checking nock v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/lib.rs:433:21
[INFO] [stderr]     |
[INFO] [stderr] 433 |                 let u = try!(U::from_noun(b));
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/lib.rs:433:21
[INFO] [stderr]     |
[INFO] [stderr] 433 |                 let u = try!(U::from_noun(b));
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |                         ret
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:194:35
[INFO] [stderr]     |
[INFO] [stderr] 194 |                         let ret = f(Shape::Cell(a, b));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:326:32
[INFO] [stderr]     |
[INFO] [stderr] 326 |     let ret = (c >> 31) ^ (c & 0x7fffffff);
[INFO] [stderr]     |                                ^^^^^^^^^^ help: consider: `0x7fff_ffff`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:336:32
[INFO] [stderr]     |
[INFO] [stderr] 336 |     let ret = (c >> 31) ^ (c & 0x7fffffff);
[INFO] [stderr]     |                                ^^^^^^^^^^ help: consider: `0x7fff_ffff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  | /                         return match p.get() {
[INFO] [stderr] 94  | |                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | |                                 if a == b {
[INFO] [stderr] 96  | |                                     // Yes.
[INFO] [stderr] ...   |
[INFO] [stderr] 103 | |                             _ => return Err(NockError(format!("same"))),
[INFO] [stderr] 104 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[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/digit_slice.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn as_digits<'a>(&'a self) -> &'a [u8];
[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/digit_slice.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     fn as_digits<'a>(&'a self) -> &'a [u8] {
[INFO] [stderr] 26 | |         let n_bytes = (self.bits() + 7) / 8;
[INFO] [stderr] 27 | |
[INFO] [stderr] 28 | |         unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |         }
[INFO] [stderr] 33 | |     }
[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: transmute from a reference to a reference
[INFO] [stderr]   --> src/digit_slice.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let ptr = mem::transmute::<&BigUint, &Vec<BigDigit>>(self)
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(self as *const num::BigUint as *const std::vec::Vec<u32>)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut u32`)
[INFO] [stderr]   --> src/digit_slice.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let ptr = v.as_mut_ptr() as *mut BigDigit;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::cast_ptr_alignment)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[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/digit_slice.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             fn as_digits<'a>(&'a self) -> &'a[u8] {
[INFO] [stderr] 66 | |                 let n_bytes = (mem::size_of::<$t>() * 8 - self.leading_zeros() as usize + 7) / 8;
[INFO] [stderr] 67 | |
[INFO] [stderr] 68 | |                 unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 }
[INFO] [stderr] 72 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 91 |   primitive_impl!(u8);
[INFO] [stderr]    |   -------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]   --> src/digit_slice.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     let ptr: *const u8 = mem::transmute(self);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *const u8`
[INFO] [stderr] ...
[INFO] [stderr] 91 | primitive_impl!(u8);
[INFO] [stderr]    | -------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/digit_slice.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             fn as_digits<'a>(&'a self) -> &'a[u8] {
[INFO] [stderr] 66 | |                 let n_bytes = (mem::size_of::<$t>() * 8 - self.leading_zeros() as usize + 7) / 8;
[INFO] [stderr] 67 | |
[INFO] [stderr] 68 | |                 unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 }
[INFO] [stderr] 72 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 92 |   primitive_impl!(u16);
[INFO] [stderr]    |   --------------------- in this macro invocation
[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: transmute from a reference to a pointer
[INFO] [stderr]   --> src/digit_slice.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     let ptr: *const u8 = mem::transmute(self);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *const u16 as *const u8`
[INFO] [stderr] ...
[INFO] [stderr] 92 | primitive_impl!(u16);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/digit_slice.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |                     ret |= digits[i] as $t << (i * 8);
[INFO] [stderr]    |                            ^^^^^^^^^ help: try: `u16::from(digits[i])`
[INFO] [stderr] ...
[INFO] [stderr] 92 | primitive_impl!(u16);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/digit_slice.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             fn as_digits<'a>(&'a self) -> &'a[u8] {
[INFO] [stderr] 66 | |                 let n_bytes = (mem::size_of::<$t>() * 8 - self.leading_zeros() as usize + 7) / 8;
[INFO] [stderr] 67 | |
[INFO] [stderr] 68 | |                 unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 }
[INFO] [stderr] 72 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 93 |   primitive_impl!(u32);
[INFO] [stderr]    |   --------------------- in this macro invocation
[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: transmute from a reference to a pointer
[INFO] [stderr]   --> src/digit_slice.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     let ptr: *const u8 = mem::transmute(self);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *const u32 as *const u8`
[INFO] [stderr] ...
[INFO] [stderr] 93 | primitive_impl!(u32);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/digit_slice.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |                     ret |= digits[i] as $t << (i * 8);
[INFO] [stderr]    |                            ^^^^^^^^^ help: try: `u32::from(digits[i])`
[INFO] [stderr] ...
[INFO] [stderr] 93 | primitive_impl!(u32);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/digit_slice.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             fn as_digits<'a>(&'a self) -> &'a[u8] {
[INFO] [stderr] 66 | |                 let n_bytes = (mem::size_of::<$t>() * 8 - self.leading_zeros() as usize + 7) / 8;
[INFO] [stderr] 67 | |
[INFO] [stderr] 68 | |                 unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 }
[INFO] [stderr] 72 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 94 |   primitive_impl!(u64);
[INFO] [stderr]    |   --------------------- in this macro invocation
[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: transmute from a reference to a pointer
[INFO] [stderr]   --> src/digit_slice.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     let ptr: *const u8 = mem::transmute(self);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *const u64 as *const u8`
[INFO] [stderr] ...
[INFO] [stderr] 94 | primitive_impl!(u64);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/digit_slice.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |                     ret |= digits[i] as $t << (i * 8);
[INFO] [stderr]    |                            ^^^^^^^^^ help: try: `u64::from(digits[i])`
[INFO] [stderr] ...
[INFO] [stderr] 94 | primitive_impl!(u64);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/digit_slice.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             fn as_digits<'a>(&'a self) -> &'a[u8] {
[INFO] [stderr] 66 | |                 let n_bytes = (mem::size_of::<$t>() * 8 - self.leading_zeros() as usize + 7) / 8;
[INFO] [stderr] 67 | |
[INFO] [stderr] 68 | |                 unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 }
[INFO] [stderr] 72 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 95 |   primitive_impl!(usize);
[INFO] [stderr]    |   ----------------------- in this macro invocation
[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: transmute from a reference to a pointer
[INFO] [stderr]   --> src/digit_slice.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     let ptr: *const u8 = mem::transmute(self);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *const usize as *const u8`
[INFO] [stderr] ...
[INFO] [stderr] 95 | primitive_impl!(usize);
[INFO] [stderr]    | ----------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/digit_slice.rs:103:8
[INFO] [stderr]     |
[INFO] [stderr] 103 |     if data.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nock.rs:61:55
[INFO] [stderr]    |
[INFO] [stderr] 61 |                             _ => return Err(NockError(format!("fire"))),
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"fire".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nock.rs:85:48
[INFO] [stderr]    |
[INFO] [stderr] 85 |                             _ => Err(NockError(format!("bump"))),
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bump".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:103:55
[INFO] [stderr]     |
[INFO] [stderr] 103 |                             _ => return Err(NockError(format!("same"))),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"same".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:119:62
[INFO] [stderr]     |
[INFO] [stderr] 119 |                                         return Err(NockError(format!("if")));
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: consider using .to_string(): `"if".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:122:59
[INFO] [stderr]     |
[INFO] [stderr] 122 |                                 _ => return Err(NockError(format!("if"))),
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^ help: consider using .to_string(): `"if".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:126:50
[INFO] [stderr]     |
[INFO] [stderr] 126 |                             return Err(NockError(format!("if")));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^ help: consider using .to_string(): `"if".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:140:55
[INFO] [stderr]     |
[INFO] [stderr] 140 |                             _ => return Err(NockError(format!("compose"))),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"compose".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:154:55
[INFO] [stderr]     |
[INFO] [stderr] 154 |                             _ => return Err(NockError(format!("push"))),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"push".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:175:55
[INFO] [stderr]     |
[INFO] [stderr] 175 |                             _ => return Err(NockError(format!("call"))),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"call".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:187:55
[INFO] [stderr]     |
[INFO] [stderr] 187 |                             _ => return Err(NockError(format!("hint"))),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"hint".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:205:50
[INFO] [stderr]     |
[INFO] [stderr] 205 |                             return Err(NockError(format!("autocons")));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"autocons".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:210:38
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 return Err(NockError(format!("nock")));
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"nock".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:227:38
[INFO] [stderr]     |
[INFO] [stderr] 227 |                 return Err(NockError(format!("axis")));
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"axis".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:243:28
[INFO] [stderr]     |
[INFO] [stderr] 243 |         _ => Err(NockError(format!("axis"))),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"axis".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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/lib.rs:99:5
[INFO] [stderr]     |
[INFO] [stderr] 99  | /     pub fn get<'a>(&'a self) -> NounShape<'a> {
[INFO] [stderr] 100 | |         match self.value {
[INFO] [stderr] 101 | |             Inner::Atom(ref v) => Shape::Atom(&v),
[INFO] [stderr] 102 | |             Inner::Cell(ref a, ref b) => Shape::Cell(&*a, &*b),
[INFO] [stderr] 103 | |         }
[INFO] [stderr] 104 | |     }
[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/lib.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 | /     pub fn get_122<'a>(&'a self) -> Option<(&'a Noun, &'a Noun, &'a Noun)> {
[INFO] [stderr] 113 | |         if let Shape::Cell(ref a, ref b) = self.get() {
[INFO] [stderr] 114 | |             if let Shape::Cell(ref b, ref c) = b.get() {
[INFO] [stderr] 115 | |                 return Some((a, b, c));
[INFO] [stderr] ...   |
[INFO] [stderr] 118 | |         None
[INFO] [stderr] 119 | |     }
[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: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/lib.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 | /             if memo.contains_key(&key) {
[INFO] [stderr] 187 | |                 memo.get(&key).unwrap().clone()
[INFO] [stderr] 188 | |             } else {
[INFO] [stderr] 189 | |                 let ret = match noun.get() {
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |                 ret
[INFO] [stderr] 200 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `memo.entry(key)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]    --> src/lib.rs:221:21
[INFO] [stderr]     |
[INFO] [stderr] 221 |         let alpha = "abcdefghijklmnopqrstuvwxyz".as_bytes();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"abcdefghijklmnopqrstuvwxyz"`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] error: you are implementing `Hash` explicitly but have derived `PartialEq`
[INFO] [stderr]    --> src/lib.rs:298:1
[INFO] [stderr]     |
[INFO] [stderr] 298 | / impl hash::Hash for Noun {
[INFO] [stderr] 299 | |     fn hash<H: hash::Hasher>(&self, state: &mut H) {
[INFO] [stderr] 300 | |         self.hash.hash(state);
[INFO] [stderr] 301 | |     }
[INFO] [stderr] 302 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::derive_hash_xor_eq)] on by default
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]    --> src/lib.rs:83:17
[INFO] [stderr]     |
[INFO] [stderr] 83  | #[derive(Clone, PartialEq, Eq)]
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:323:18
[INFO] [stderr]     |
[INFO] [stderr] 323 |         c = _fnv(*i as u32 ^ c);
[INFO] [stderr]     |                  ^^^^^^^^^ help: try: `u32::from(*i)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:384:32
[INFO] [stderr]     |
[INFO] [stderr] 384 |             _ => Err(NockError(format!("FromNoun Rc<Vec<u8>> not an atom"))),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun Rc<Vec<u8>> not an atom".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:402:44
[INFO] [stderr]     |
[INFO] [stderr] 402 |                     .map_err(|_| NockError(format!("FromNoun FromDigits")))
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun FromDigits".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:404:32
[INFO] [stderr]     |
[INFO] [stderr] 404 |             _ => Err(NockError(format!("FromNoun FromDigits not an atom"))),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun FromDigits not an atom".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:436:32
[INFO] [stderr]     |
[INFO] [stderr] 436 |             _ => Err(NockError(format!("FromNoun (T, U) not a cell"))),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun (T, U) not a cell".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:463:32
[INFO] [stderr]     |
[INFO] [stderr] 463 |             _ => Err(NockError(format!("FromNoun (T, U, V) not a tuple"))),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun (T, U, V) not a tuple".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:484:44
[INFO] [stderr]     |
[INFO] [stderr] 484 |                     .map_err(|_| NockError(format!("FromNoun String")))
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun String".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:486:32
[INFO] [stderr]     |
[INFO] [stderr] 486 |             _ => Err(NockError(format!("FromNoun String not an atom"))),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun String not an atom".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:528:38
[INFO] [stderr]     |
[INFO] [stderr] 528 |                 return Err(NockError(format!("FromNoun Vec<T>")));
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun Vec<T>".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:589:19
[INFO] [stderr]     |
[INFO] [stderr] 589 |             match input.peek().map(|&x| x) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `input.peek().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/lib.rs:601:13
[INFO] [stderr]     |
[INFO] [stderr] 601 | /             loop {
[INFO] [stderr] 602 | |                 if let Some(&c) = input.peek() {
[INFO] [stderr] 603 | |                     if c.is_digit(10) {
[INFO] [stderr] 604 | |                         input.next();
[INFO] [stderr] ...   |
[INFO] [stderr] 622 | |                 }
[INFO] [stderr] 623 | |             }
[INFO] [stderr]     | |_____________^ help: try: `while let Some(&c) = input.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] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:625:16
[INFO] [stderr]     |
[INFO] [stderr] 625 |             if buf.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `buf.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:656:23
[INFO] [stderr]     |
[INFO] [stderr] 656 |                 match input.peek().map(|&x| x) {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `input.peek().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:674:23
[INFO] [stderr]     |
[INFO] [stderr] 674 |                 match input.peek().map(|&x| x) {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `input.peek().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `nock`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |                         ret
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:194:35
[INFO] [stderr]     |
[INFO] [stderr] 194 |                         let ret = f(Shape::Cell(a, b));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:326:32
[INFO] [stderr]     |
[INFO] [stderr] 326 |     let ret = (c >> 31) ^ (c & 0x7fffffff);
[INFO] [stderr]     |                                ^^^^^^^^^^ help: consider: `0x7fff_ffff`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:336:32
[INFO] [stderr]     |
[INFO] [stderr] 336 |     let ret = (c >> 31) ^ (c & 0x7fffffff);
[INFO] [stderr]     |                                ^^^^^^^^^^ help: consider: `0x7fff_ffff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:772:41
[INFO] [stderr]     |
[INFO] [stderr] 772 |         parses("4294967295", Noun::from(4294967295u32));
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^ help: consider: `4_294_967_295u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:773:41
[INFO] [stderr]     |
[INFO] [stderr] 773 |         parses("4294967296", Noun::from(4294967296u64));
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^ help: consider: `4_294_967_296u64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:899:50
[INFO] [stderr]     |
[INFO] [stderr] 899 |         assert_eq!(String::from_noun(&Noun::from(7303014u32)),
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider: `7_303_014u32`
[INFO] [stderr]     |
[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::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:747:21
[INFO] [stderr]     |
[INFO] [stderr] 747 |         let mut s = hash::SipHasher::new();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:747:21
[INFO] [stderr]     |
[INFO] [stderr] 747 |         let mut s = hash::SipHasher::new();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  | /                         return match p.get() {
[INFO] [stderr] 94  | |                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | |                                 if a == b {
[INFO] [stderr] 96  | |                                     // Yes.
[INFO] [stderr] ...   |
[INFO] [stderr] 103 | |                             _ => return Err(NockError(format!("same"))),
[INFO] [stderr] 104 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[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/digit_slice.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn as_digits<'a>(&'a self) -> &'a [u8];
[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/digit_slice.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     fn as_digits<'a>(&'a self) -> &'a [u8] {
[INFO] [stderr] 26 | |         let n_bytes = (self.bits() + 7) / 8;
[INFO] [stderr] 27 | |
[INFO] [stderr] 28 | |         unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |         }
[INFO] [stderr] 33 | |     }
[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: transmute from a reference to a reference
[INFO] [stderr]   --> src/digit_slice.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let ptr = mem::transmute::<&BigUint, &Vec<BigDigit>>(self)
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(self as *const num::BigUint as *const std::vec::Vec<u32>)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut u32`)
[INFO] [stderr]   --> src/digit_slice.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let ptr = v.as_mut_ptr() as *mut BigDigit;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::cast_ptr_alignment)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[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/digit_slice.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             fn as_digits<'a>(&'a self) -> &'a[u8] {
[INFO] [stderr] 66 | |                 let n_bytes = (mem::size_of::<$t>() * 8 - self.leading_zeros() as usize + 7) / 8;
[INFO] [stderr] 67 | |
[INFO] [stderr] 68 | |                 unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 }
[INFO] [stderr] 72 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 91 |   primitive_impl!(u8);
[INFO] [stderr]    |   -------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]   --> src/digit_slice.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     let ptr: *const u8 = mem::transmute(self);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *const u8`
[INFO] [stderr] ...
[INFO] [stderr] 91 | primitive_impl!(u8);
[INFO] [stderr]    | -------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/digit_slice.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             fn as_digits<'a>(&'a self) -> &'a[u8] {
[INFO] [stderr] 66 | |                 let n_bytes = (mem::size_of::<$t>() * 8 - self.leading_zeros() as usize + 7) / 8;
[INFO] [stderr] 67 | |
[INFO] [stderr] 68 | |                 unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 }
[INFO] [stderr] 72 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 92 |   primitive_impl!(u16);
[INFO] [stderr]    |   --------------------- in this macro invocation
[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: transmute from a reference to a pointer
[INFO] [stderr]   --> src/digit_slice.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     let ptr: *const u8 = mem::transmute(self);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *const u16 as *const u8`
[INFO] [stderr] ...
[INFO] [stderr] 92 | primitive_impl!(u16);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/digit_slice.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |                     ret |= digits[i] as $t << (i * 8);
[INFO] [stderr]    |                            ^^^^^^^^^ help: try: `u16::from(digits[i])`
[INFO] [stderr] ...
[INFO] [stderr] 92 | primitive_impl!(u16);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/digit_slice.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             fn as_digits<'a>(&'a self) -> &'a[u8] {
[INFO] [stderr] 66 | |                 let n_bytes = (mem::size_of::<$t>() * 8 - self.leading_zeros() as usize + 7) / 8;
[INFO] [stderr] 67 | |
[INFO] [stderr] 68 | |                 unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 }
[INFO] [stderr] 72 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 93 |   primitive_impl!(u32);
[INFO] [stderr]    |   --------------------- in this macro invocation
[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: transmute from a reference to a pointer
[INFO] [stderr]   --> src/digit_slice.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     let ptr: *const u8 = mem::transmute(self);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *const u32 as *const u8`
[INFO] [stderr] ...
[INFO] [stderr] 93 | primitive_impl!(u32);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/digit_slice.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |                     ret |= digits[i] as $t << (i * 8);
[INFO] [stderr]    |                            ^^^^^^^^^ help: try: `u32::from(digits[i])`
[INFO] [stderr] ...
[INFO] [stderr] 93 | primitive_impl!(u32);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/digit_slice.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             fn as_digits<'a>(&'a self) -> &'a[u8] {
[INFO] [stderr] 66 | |                 let n_bytes = (mem::size_of::<$t>() * 8 - self.leading_zeros() as usize + 7) / 8;
[INFO] [stderr] 67 | |
[INFO] [stderr] 68 | |                 unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 }
[INFO] [stderr] 72 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 94 |   primitive_impl!(u64);
[INFO] [stderr]    |   --------------------- in this macro invocation
[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: transmute from a reference to a pointer
[INFO] [stderr]   --> src/digit_slice.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     let ptr: *const u8 = mem::transmute(self);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *const u64 as *const u8`
[INFO] [stderr] ...
[INFO] [stderr] 94 | primitive_impl!(u64);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/digit_slice.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |                     ret |= digits[i] as $t << (i * 8);
[INFO] [stderr]    |                            ^^^^^^^^^ help: try: `u64::from(digits[i])`
[INFO] [stderr] ...
[INFO] [stderr] 94 | primitive_impl!(u64);
[INFO] [stderr]    | --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/digit_slice.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             fn as_digits<'a>(&'a self) -> &'a[u8] {
[INFO] [stderr] 66 | |                 let n_bytes = (mem::size_of::<$t>() * 8 - self.leading_zeros() as usize + 7) / 8;
[INFO] [stderr] 67 | |
[INFO] [stderr] 68 | |                 unsafe {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 }
[INFO] [stderr] 72 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 95 |   primitive_impl!(usize);
[INFO] [stderr]    |   ----------------------- in this macro invocation
[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: transmute from a reference to a pointer
[INFO] [stderr]   --> src/digit_slice.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     let ptr: *const u8 = mem::transmute(self);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *const usize as *const u8`
[INFO] [stderr] ...
[INFO] [stderr] 95 | primitive_impl!(usize);
[INFO] [stderr]    | ----------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/digit_slice.rs:103:8
[INFO] [stderr]     |
[INFO] [stderr] 103 |     if data.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/digit_slice.rs:152:27
[INFO] [stderr]     |
[INFO] [stderr] 152 |         assert_eq!(0, msb(&vec![]));
[INFO] [stderr]     |                           ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/digit_slice.rs:153:27
[INFO] [stderr]     |
[INFO] [stderr] 153 |         assert_eq!(1, msb(&vec![1]));
[INFO] [stderr]     |                           ^^^^^^^^ help: you can use a slice directly: `&[1]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/digit_slice.rs:154:27
[INFO] [stderr]     |
[INFO] [stderr] 154 |         assert_eq!(4, msb(&vec![15]));
[INFO] [stderr]     |                           ^^^^^^^^^ help: you can use a slice directly: `&[15]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/digit_slice.rs:155:27
[INFO] [stderr]     |
[INFO] [stderr] 155 |         assert_eq!(5, msb(&vec![16]));
[INFO] [stderr]     |                           ^^^^^^^^^ help: you can use a slice directly: `&[16]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/digit_slice.rs:156:28
[INFO] [stderr]     |
[INFO] [stderr] 156 |         assert_eq!(13, msb(&vec![123, 16]));
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: you can use a slice directly: `&[123, 16]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nock.rs:61:55
[INFO] [stderr]    |
[INFO] [stderr] 61 |                             _ => return Err(NockError(format!("fire"))),
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"fire".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nock.rs:85:48
[INFO] [stderr]    |
[INFO] [stderr] 85 |                             _ => Err(NockError(format!("bump"))),
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bump".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:103:55
[INFO] [stderr]     |
[INFO] [stderr] 103 |                             _ => return Err(NockError(format!("same"))),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"same".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:119:62
[INFO] [stderr]     |
[INFO] [stderr] 119 |                                         return Err(NockError(format!("if")));
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: consider using .to_string(): `"if".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:122:59
[INFO] [stderr]     |
[INFO] [stderr] 122 |                                 _ => return Err(NockError(format!("if"))),
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^ help: consider using .to_string(): `"if".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:126:50
[INFO] [stderr]     |
[INFO] [stderr] 126 |                             return Err(NockError(format!("if")));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^ help: consider using .to_string(): `"if".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:140:55
[INFO] [stderr]     |
[INFO] [stderr] 140 |                             _ => return Err(NockError(format!("compose"))),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"compose".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:154:55
[INFO] [stderr]     |
[INFO] [stderr] 154 |                             _ => return Err(NockError(format!("push"))),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"push".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:175:55
[INFO] [stderr]     |
[INFO] [stderr] 175 |                             _ => return Err(NockError(format!("call"))),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"call".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:187:55
[INFO] [stderr]     |
[INFO] [stderr] 187 |                             _ => return Err(NockError(format!("hint"))),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"hint".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:205:50
[INFO] [stderr]     |
[INFO] [stderr] 205 |                             return Err(NockError(format!("autocons")));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"autocons".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:210:38
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 return Err(NockError(format!("nock")));
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"nock".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:227:38
[INFO] [stderr]     |
[INFO] [stderr] 227 |                 return Err(NockError(format!("axis")));
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"axis".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/nock.rs:243:28
[INFO] [stderr]     |
[INFO] [stderr] 243 |         _ => Err(NockError(format!("axis"))),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"axis".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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/lib.rs:99:5
[INFO] [stderr]     |
[INFO] [stderr] 99  | /     pub fn get<'a>(&'a self) -> NounShape<'a> {
[INFO] [stderr] 100 | |         match self.value {
[INFO] [stderr] 101 | |             Inner::Atom(ref v) => Shape::Atom(&v),
[INFO] [stderr] 102 | |             Inner::Cell(ref a, ref b) => Shape::Cell(&*a, &*b),
[INFO] [stderr] 103 | |         }
[INFO] [stderr] 104 | |     }
[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/lib.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 | /     pub fn get_122<'a>(&'a self) -> Option<(&'a Noun, &'a Noun, &'a Noun)> {
[INFO] [stderr] 113 | |         if let Shape::Cell(ref a, ref b) = self.get() {
[INFO] [stderr] 114 | |             if let Shape::Cell(ref b, ref c) = b.get() {
[INFO] [stderr] 115 | |                 return Some((a, b, c));
[INFO] [stderr] ...   |
[INFO] [stderr] 118 | |         None
[INFO] [stderr] 119 | |     }
[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: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/lib.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 | /             if memo.contains_key(&key) {
[INFO] [stderr] 187 | |                 memo.get(&key).unwrap().clone()
[INFO] [stderr] 188 | |             } else {
[INFO] [stderr] 189 | |                 let ret = match noun.get() {
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |                 ret
[INFO] [stderr] 200 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `memo.entry(key)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]    --> src/lib.rs:221:21
[INFO] [stderr]     |
[INFO] [stderr] 221 |         let alpha = "abcdefghijklmnopqrstuvwxyz".as_bytes();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"abcdefghijklmnopqrstuvwxyz"`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] error: you are implementing `Hash` explicitly but have derived `PartialEq`
[INFO] [stderr]    --> src/lib.rs:298:1
[INFO] [stderr]     |
[INFO] [stderr] 298 | / impl hash::Hash for Noun {
[INFO] [stderr] 299 | |     fn hash<H: hash::Hasher>(&self, state: &mut H) {
[INFO] [stderr] 300 | |         self.hash.hash(state);
[INFO] [stderr] 301 | |     }
[INFO] [stderr] 302 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::derive_hash_xor_eq)] on by default
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]    --> src/lib.rs:83:17
[INFO] [stderr]     |
[INFO] [stderr] 83  | #[derive(Clone, PartialEq, Eq)]
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:323:18
[INFO] [stderr]     |
[INFO] [stderr] 323 |         c = _fnv(*i as u32 ^ c);
[INFO] [stderr]     |                  ^^^^^^^^^ help: try: `u32::from(*i)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:384:32
[INFO] [stderr]     |
[INFO] [stderr] 384 |             _ => Err(NockError(format!("FromNoun Rc<Vec<u8>> not an atom"))),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun Rc<Vec<u8>> not an atom".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:402:44
[INFO] [stderr]     |
[INFO] [stderr] 402 |                     .map_err(|_| NockError(format!("FromNoun FromDigits")))
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun FromDigits".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:404:32
[INFO] [stderr]     |
[INFO] [stderr] 404 |             _ => Err(NockError(format!("FromNoun FromDigits not an atom"))),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun FromDigits not an atom".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:436:32
[INFO] [stderr]     |
[INFO] [stderr] 436 |             _ => Err(NockError(format!("FromNoun (T, U) not a cell"))),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun (T, U) not a cell".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:463:32
[INFO] [stderr]     |
[INFO] [stderr] 463 |             _ => Err(NockError(format!("FromNoun (T, U, V) not a tuple"))),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun (T, U, V) not a tuple".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:484:44
[INFO] [stderr]     |
[INFO] [stderr] 484 |                     .map_err(|_| NockError(format!("FromNoun String")))
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun String".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:486:32
[INFO] [stderr]     |
[INFO] [stderr] 486 |             _ => Err(NockError(format!("FromNoun String not an atom"))),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun String not an atom".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:528:38
[INFO] [stderr]     |
[INFO] [stderr] 528 |                 return Err(NockError(format!("FromNoun Vec<T>")));
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FromNoun Vec<T>".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:589:19
[INFO] [stderr]     |
[INFO] [stderr] 589 |             match input.peek().map(|&x| x) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `input.peek().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/lib.rs:601:13
[INFO] [stderr]     |
[INFO] [stderr] 601 | /             loop {
[INFO] [stderr] 602 | |                 if let Some(&c) = input.peek() {
[INFO] [stderr] 603 | |                     if c.is_digit(10) {
[INFO] [stderr] 604 | |                         input.next();
[INFO] [stderr] ...   |
[INFO] [stderr] 622 | |                 }
[INFO] [stderr] 623 | |             }
[INFO] [stderr]     | |_____________^ help: try: `while let Some(&c) = input.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] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:625:16
[INFO] [stderr]     |
[INFO] [stderr] 625 |             if buf.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `buf.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:656:23
[INFO] [stderr]     |
[INFO] [stderr] 656 |                 match input.peek().map(|&x| x) {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `input.peek().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:674:23
[INFO] [stderr]     |
[INFO] [stderr] 674 |                 match input.peek().map(|&x| x) {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `input.peek().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]    --> src/lib.rs:727:20
[INFO] [stderr]     |
[INFO] [stderr] 727 |         assert_eq!(input.parse::<Noun>().ok().expect("Parsing failed"), output);
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/lib.rs:732:13
[INFO] [stderr]     |
[INFO] [stderr] 732 |             Err(_) => panic!("Parsing failed"),
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]    --> src/lib.rs:741:34
[INFO] [stderr]     |
[INFO] [stderr] 741 |         assert_eq!(format!("{}", VM.nock_on(s, f).ok().expect("Eval failed")),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `nock`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "17d78fd873476b4260c5ef9d2ea2cfd3aceb199144c9189cd4e944202fe6d47c"`
[INFO] running `"docker" "rm" "-f" "17d78fd873476b4260c5ef9d2ea2cfd3aceb199144c9189cd4e944202fe6d47c"`
[INFO] [stdout] 17d78fd873476b4260c5ef9d2ea2cfd3aceb199144c9189cd4e944202fe6d47c