[INFO] cloning repository https://github.com/ndmitchell/interpret
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndmitchell/interpret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndmitchell%2Finterpret", kill_on_drop: false }`
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[INFO] [stdout] 4d52500fc29f8d3e767ffe307c34b0e1611b03ed
[INFO] checking ndmitchell/interpret against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndmitchell%2Finterpret" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/ndmitchell/interpret
[INFO] finished tweaking git repo https://github.com/ndmitchell/interpret
[INFO] tweaked toml for git repo https://github.com/ndmitchell/interpret written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ndmitchell/interpret on toolchain cced03bfd61a304243a34504618ecec86c17063f
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[INFO] crate git repo https://github.com/ndmitchell/interpret already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     codes.push(ret as isize);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     codes.push(ret as *const () as isize);
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 59 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 85 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register.rs:100:26
[INFO] [stdout]     |
[INFO] [stdout] 100 |             codes.push(f as isize);
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 100 |             codes.push(f as *const () as isize);
[INFO] [stdout]     |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register.rs:125:32
[INFO] [stdout]     |
[INFO] [stdout] 125 |             codes.push(after_a as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 125 |             codes.push(after_a as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register.rs:129:32
[INFO] [stdout]     |
[INFO] [stdout] 129 |             codes.push(after_b as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 129 |             codes.push(after_b as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as isize);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as *const () as isize);
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 56 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 82 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 97 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_compact.rs:122:32
[INFO] [stdout]     |
[INFO] [stdout] 122 |             codes.push(after_a as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 122 |             codes.push(after_a as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_compact.rs:126:32
[INFO] [stdout]     |
[INFO] [stdout] 126 |             codes.push(after_b as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 126 |             codes.push(after_b as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact_loop.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as isize);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as *const () as isize);
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/alt/jump_register_compact_loop.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |     unsafe { std::mem::transmute([x as u8, y as u8, z as u8, 0, 0, 0, 0, 0]) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 28 -     unsafe { std::mem::transmute([x as u8, y as u8, z as u8, 0, 0, 0, 0, 0]) }
[INFO] [stdout] 28 +     unsafe { isize::from_ne_bytes([x as u8, y as u8, z as u8, 0, 0, 0, 0, 0]) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/alt/jump_register_compact_loop.rs:32:54
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let [x, y, z, _, _, _, _, _]: [u8; 8] = unsafe { std::mem::transmute(xyz) };
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 32 -     let [x, y, z, _, _, _, _, _]: [u8; 8] = unsafe { std::mem::transmute(xyz) };
[INFO] [stdout] 32 +     let [x, y, z, _, _, _, _, _]: [u8; 8] = unsafe { isize::to_ne_bytes(xyz) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact_loop.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 64 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact_loop.rs:87:26
[INFO] [stdout]    |
[INFO] [stdout] 87 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 87 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_compact_loop.rs:100:26
[INFO] [stdout]     |
[INFO] [stdout] 100 |             codes.push(f as isize);
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 100 |             codes.push(f as *const () as isize);
[INFO] [stdout]     |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_compact_loop.rs:133:32
[INFO] [stdout]     |
[INFO] [stdout] 133 |             codes.push(after_a as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 133 |             codes.push(after_a as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_compact_loop.rs:139:33
[INFO] [stdout]     |
[INFO] [stdout] 139 |             codes.push(after_ba as isize);
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 139 |             codes.push(after_ba as *const () as isize);
[INFO] [stdout]     |                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_loop.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as isize);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as *const () as isize);
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_loop.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 56 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_loop.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 82 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_loop.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 97 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_loop.rs:130:32
[INFO] [stdout]     |
[INFO] [stdout] 130 |             codes.push(after_a as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 130 |             codes.push(after_a as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_loop.rs:136:33
[INFO] [stdout]     |
[INFO] [stdout] 136 |             codes.push(after_ba as isize);
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 136 |             codes.push(after_ba as *const () as isize);
[INFO] [stdout]     |                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_stack.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     codes.push(ret as isize);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     codes.push(ret as *const () as isize);
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_stack.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 39 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_stack.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 51 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_stack.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 65 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_stack.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 83 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_stack.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |             codes.push(after_a as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 108 |             codes.push(after_a as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_stack.rs:111:32
[INFO] [stdout]     |
[INFO] [stdout] 111 |             codes.push(after_b as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 111 |             codes.push(after_b as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/stack.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn stack(&mut self) -> Stack<T> {
[INFO] [stdout]    |                  ^^^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn stack(&mut self) -> Stack<'_, T> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     codes.push(ret as isize);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     codes.push(ret as *const () as isize);
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 59 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 85 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register.rs:100:26
[INFO] [stdout]     |
[INFO] [stdout] 100 |             codes.push(f as isize);
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 100 |             codes.push(f as *const () as isize);
[INFO] [stdout]     |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register.rs:125:32
[INFO] [stdout]     |
[INFO] [stdout] 125 |             codes.push(after_a as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 125 |             codes.push(after_a as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register.rs:129:32
[INFO] [stdout]     |
[INFO] [stdout] 129 |             codes.push(after_b as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 129 |             codes.push(after_b as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as isize);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as *const () as isize);
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 56 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 82 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 97 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_compact.rs:122:32
[INFO] [stdout]     |
[INFO] [stdout] 122 |             codes.push(after_a as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 122 |             codes.push(after_a as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_compact.rs:126:32
[INFO] [stdout]     |
[INFO] [stdout] 126 |             codes.push(after_b as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 126 |             codes.push(after_b as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact_loop.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as isize);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as *const () as isize);
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/alt/jump_register_compact_loop.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |     unsafe { std::mem::transmute([x as u8, y as u8, z as u8, 0, 0, 0, 0, 0]) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 28 -     unsafe { std::mem::transmute([x as u8, y as u8, z as u8, 0, 0, 0, 0, 0]) }
[INFO] [stdout] 28 +     unsafe { isize::from_ne_bytes([x as u8, y as u8, z as u8, 0, 0, 0, 0, 0]) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/alt/jump_register_compact_loop.rs:32:54
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let [x, y, z, _, _, _, _, _]: [u8; 8] = unsafe { std::mem::transmute(xyz) };
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 32 -     let [x, y, z, _, _, _, _, _]: [u8; 8] = unsafe { std::mem::transmute(xyz) };
[INFO] [stdout] 32 +     let [x, y, z, _, _, _, _, _]: [u8; 8] = unsafe { isize::to_ne_bytes(xyz) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact_loop.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 64 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_compact_loop.rs:87:26
[INFO] [stdout]    |
[INFO] [stdout] 87 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 87 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_compact_loop.rs:100:26
[INFO] [stdout]     |
[INFO] [stdout] 100 |             codes.push(f as isize);
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 100 |             codes.push(f as *const () as isize);
[INFO] [stdout]     |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_compact_loop.rs:133:32
[INFO] [stdout]     |
[INFO] [stdout] 133 |             codes.push(after_a as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 133 |             codes.push(after_a as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_compact_loop.rs:139:33
[INFO] [stdout]     |
[INFO] [stdout] 139 |             codes.push(after_ba as isize);
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 139 |             codes.push(after_ba as *const () as isize);
[INFO] [stdout]     |                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_loop.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as isize);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     codes.push(ret as *const () as isize);
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_loop.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 56 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_loop.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 82 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_register_loop.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 97 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_loop.rs:130:32
[INFO] [stdout]     |
[INFO] [stdout] 130 |             codes.push(after_a as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 130 |             codes.push(after_a as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_register_loop.rs:136:33
[INFO] [stdout]     |
[INFO] [stdout] 136 |             codes.push(after_ba as isize);
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 136 |             codes.push(after_ba as *const () as isize);
[INFO] [stdout]     |                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_stack.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     codes.push(ret as isize);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     codes.push(ret as *const () as isize);
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_stack.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 39 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_stack.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 51 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_stack.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 65 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/alt/jump_stack.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |             codes.push(f as isize);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 83 |             codes.push(f as *const () as isize);
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_stack.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |             codes.push(after_a as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 108 |             codes.push(after_a as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/alt/jump_stack.rs:111:32
[INFO] [stdout]     |
[INFO] [stdout] 111 |             codes.push(after_b as isize);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 111 |             codes.push(after_b as *const () as isize);
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/stack.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn stack(&mut self) -> Stack<T> {
[INFO] [stdout]    |                  ^^^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn stack(&mut self) -> Stack<'_, T> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.53s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "d077a49582e4ec03ab9906039b8c576f243775c9219473a35accbbde08395ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d077a49582e4ec03ab9906039b8c576f243775c9219473a35accbbde08395ef8", kill_on_drop: false }`
[INFO] [stdout] d077a49582e4ec03ab9906039b8c576f243775c9219473a35accbbde08395ef8
