Dec 18 00:18:13.351 INFO checking fkaa/flu against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:18:13.351 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/fkaa/flu:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:18:13.780 INFO [stdout] 95b293cd0fbc0cbcfca85dc4cbadf5115db8613e88fd77c012f62d210012f178
Dec 18 00:18:13.784 INFO running `"docker" "start" "-a" "95b293cd0fbc0cbcfca85dc4cbadf5115db8613e88fd77c012f62d210012f178"`
Dec 18 00:18:15.304 INFO [stderr]    Compiling pkg-config v0.3.5
Dec 18 00:18:15.308 INFO [stderr]    Compiling gcc v0.3.11
Dec 18 00:18:18.099 INFO [stderr]    Compiling flu v0.0.2 (/opt/crater/workdir)
Dec 18 00:18:22.614 INFO [stderr] warning: unused macro definition
Dec 18 00:18:22.614 INFO [stderr]   --> src/lib.rs:5:1
Dec 18 00:18:22.614 INFO [stderr]    |
Dec 18 00:18:22.614 INFO [stderr] 5  | / macro_rules! assert_enum {
Dec 18 00:18:22.614 INFO [stderr] 6  | |     (@as_expr $e:expr) => {$e};
Dec 18 00:18:22.614 INFO [stderr] 7  | |     (@as_pat $p:pat) => {$p};
Dec 18 00:18:22.614 INFO [stderr] 8  | |     ($left:expr, $($right:tt)*) => (
Dec 18 00:18:22.614 INFO [stderr] ...  |
Dec 18 00:18:22.614 INFO [stderr] 21 | |     )
Dec 18 00:18:22.614 INFO [stderr] 22 | | }
Dec 18 00:18:22.614 INFO [stderr]    | |_^
Dec 18 00:18:22.614 INFO [stderr]    |
Dec 18 00:18:22.614 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 18 00:18:22.614 INFO [stderr] 
Dec 18 00:18:22.616 INFO [stderr] warning: unused import: `LuaRef`
Dec 18 00:18:22.616 INFO [stderr]  --> src/stack/push.rs:3:5
Dec 18 00:18:22.616 INFO [stderr]   |
Dec 18 00:18:22.616 INFO [stderr] 3 | use LuaRef;
Dec 18 00:18:22.616 INFO [stderr]   |     ^^^^^^
Dec 18 00:18:22.616 INFO [stderr]   |
Dec 18 00:18:22.616 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:18:22.616 INFO [stderr] 
Dec 18 00:18:22.616 INFO [stderr] warning: unused import: `LuaValue`
Dec 18 00:18:22.616 INFO [stderr]  --> src/stack/read.rs:2:5
Dec 18 00:18:22.616 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 2 | use LuaValue;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^^^^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `LuaRef`
Dec 18 00:18:22.617 INFO [stderr]  --> src/stack/read.rs:3:5
Dec 18 00:18:22.617 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 3 | use LuaRef;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `nil`
Dec 18 00:18:22.617 INFO [stderr]  --> src/stack/read.rs:5:5
Dec 18 00:18:22.617 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 5 | use nil;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `LuaValue`
Dec 18 00:18:22.617 INFO [stderr]  --> src/stack/size.rs:2:5
Dec 18 00:18:22.617 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 2 | use LuaValue;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^^^^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `LuaRef`
Dec 18 00:18:22.617 INFO [stderr]  --> src/stack/size.rs:3:5
Dec 18 00:18:22.617 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 3 | use LuaRef;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `nil`
Dec 18 00:18:22.617 INFO [stderr]  --> src/collections/table.rs:5:5
Dec 18 00:18:22.617 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 5 | use nil;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `std::mem`
Dec 18 00:18:22.617 INFO [stderr]   --> src/collections/table.rs:14:5
Dec 18 00:18:22.617 INFO [stderr]    |
Dec 18 00:18:22.617 INFO [stderr] 14 | use std::mem;
Dec 18 00:18:22.617 INFO [stderr]    |     ^^^^^^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `LuaValue`
Dec 18 00:18:22.617 INFO [stderr]  --> src/context.rs:2:5
Dec 18 00:18:22.617 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 2 | use LuaValue;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^^^^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `Table`
Dec 18 00:18:22.617 INFO [stderr]  --> src/context.rs:3:5
Dec 18 00:18:22.617 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 3 | use Table;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `nil`
Dec 18 00:18:22.617 INFO [stderr]  --> src/value.rs:6:5
Dec 18 00:18:22.617 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 6 | use nil;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `Table`
Dec 18 00:18:22.617 INFO [stderr]  --> src/function.rs:3:5
Dec 18 00:18:22.617 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 3 | use Table;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `nil`
Dec 18 00:18:22.617 INFO [stderr]  --> src/function.rs:5:5
Dec 18 00:18:22.617 INFO [stderr]   |
Dec 18 00:18:22.617 INFO [stderr] 5 | use nil;
Dec 18 00:18:22.617 INFO [stderr]   |     ^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.617 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Dec 18 00:18:22.617 INFO [stderr]   --> src/function.rs:15:5
Dec 18 00:18:22.617 INFO [stderr]    |
Dec 18 00:18:22.617 INFO [stderr] 15 | use std::marker::PhantomData;
Dec 18 00:18:22.617 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:18:22.617 INFO [stderr] 
Dec 18 00:18:22.623 INFO [stderr] warning: unused macro definition
Dec 18 00:18:22.624 INFO [stderr]   --> src/lib.rs:5:1
Dec 18 00:18:22.624 INFO [stderr]    |
Dec 18 00:18:22.624 INFO [stderr] 5  | / macro_rules! assert_enum {
Dec 18 00:18:22.624 INFO [stderr] 6  | |     (@as_expr $e:expr) => {$e};
Dec 18 00:18:22.624 INFO [stderr] 7  | |     (@as_pat $p:pat) => {$p};
Dec 18 00:18:22.624 INFO [stderr] 8  | |     ($left:expr, $($right:tt)*) => (
Dec 18 00:18:22.624 INFO [stderr] ...  |
Dec 18 00:18:22.624 INFO [stderr] 21 | |     )
Dec 18 00:18:22.624 INFO [stderr] 22 | | }
Dec 18 00:18:22.624 INFO [stderr]    | |_^
Dec 18 00:18:22.624 INFO [stderr]    |
Dec 18 00:18:22.624 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 18 00:18:22.624 INFO [stderr] 
Dec 18 00:18:22.624 INFO [stderr] warning: unused import: `LuaRef`
Dec 18 00:18:22.624 INFO [stderr]  --> src/stack/push.rs:3:5
Dec 18 00:18:22.624 INFO [stderr]   |
Dec 18 00:18:22.624 INFO [stderr] 3 | use LuaRef;
Dec 18 00:18:22.624 INFO [stderr]   |     ^^^^^^
Dec 18 00:18:22.624 INFO [stderr]   |
Dec 18 00:18:22.624 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:18:22.624 INFO [stderr] 
Dec 18 00:18:22.624 INFO [stderr] warning: unused import: `LuaValue`
Dec 18 00:18:22.624 INFO [stderr]  --> src/stack/read.rs:2:5
Dec 18 00:18:22.624 INFO [stderr]   |
Dec 18 00:18:22.624 INFO [stderr] 2 | use LuaValue;
Dec 18 00:18:22.624 INFO [stderr]   |     ^^^^^^^^
Dec 18 00:18:22.624 INFO [stderr] 
Dec 18 00:18:22.624 INFO [stderr] warning: unused import: `LuaRef`
Dec 18 00:18:22.624 INFO [stderr]  --> src/stack/read.rs:3:5
Dec 18 00:18:22.624 INFO [stderr]   |
Dec 18 00:18:22.624 INFO [stderr] 3 | use LuaRef;
Dec 18 00:18:22.624 INFO [stderr]   |     ^^^^^^
Dec 18 00:18:22.624 INFO [stderr] 
Dec 18 00:18:22.624 INFO [stderr] warning: unused import: `LuaValue`
Dec 18 00:18:22.624 INFO [stderr]  --> src/stack/size.rs:2:5
Dec 18 00:18:22.624 INFO [stderr]   |
Dec 18 00:18:22.624 INFO [stderr] 2 | use LuaValue;
Dec 18 00:18:22.624 INFO [stderr]   |     ^^^^^^^^
Dec 18 00:18:22.624 INFO [stderr] 
Dec 18 00:18:22.624 INFO [stderr] warning: unused import: `LuaRef`
Dec 18 00:18:22.624 INFO [stderr]  --> src/stack/size.rs:3:5
Dec 18 00:18:22.625 INFO [stderr]   |
Dec 18 00:18:22.625 INFO [stderr] 3 | use LuaRef;
Dec 18 00:18:22.625 INFO [stderr]   |     ^^^^^^
Dec 18 00:18:22.625 INFO [stderr] 
Dec 18 00:18:22.625 INFO [stderr] warning: unused import: `std::mem`
Dec 18 00:18:22.625 INFO [stderr]   --> src/collections/table.rs:14:5
Dec 18 00:18:22.625 INFO [stderr]    |
Dec 18 00:18:22.625 INFO [stderr] 14 | use std::mem;
Dec 18 00:18:22.625 INFO [stderr]    |     ^^^^^^^^
Dec 18 00:18:22.625 INFO [stderr] 
Dec 18 00:18:22.625 INFO [stderr] warning: unused import: `LuaValue`
Dec 18 00:18:22.625 INFO [stderr]  --> src/context.rs:2:5
Dec 18 00:18:22.625 INFO [stderr]   |
Dec 18 00:18:22.625 INFO [stderr] 2 | use LuaValue;
Dec 18 00:18:22.625 INFO [stderr]   |     ^^^^^^^^
Dec 18 00:18:22.625 INFO [stderr] 
Dec 18 00:18:22.625 INFO [stderr] warning: unused import: `Table`
Dec 18 00:18:22.625 INFO [stderr]  --> src/context.rs:3:5
Dec 18 00:18:22.625 INFO [stderr]   |
Dec 18 00:18:22.625 INFO [stderr] 3 | use Table;
Dec 18 00:18:22.625 INFO [stderr]   |     ^^^^^
Dec 18 00:18:22.625 INFO [stderr] 
Dec 18 00:18:22.626 INFO [stderr] warning: unused import: `nil`
Dec 18 00:18:22.626 INFO [stderr]  --> src/function.rs:5:5
Dec 18 00:18:22.626 INFO [stderr]   |
Dec 18 00:18:22.626 INFO [stderr] 5 | use nil;
Dec 18 00:18:22.626 INFO [stderr]   |     ^^^
Dec 18 00:18:22.626 INFO [stderr] 
Dec 18 00:18:22.626 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Dec 18 00:18:22.626 INFO [stderr]   --> src/function.rs:15:5
Dec 18 00:18:22.626 INFO [stderr]    |
Dec 18 00:18:22.626 INFO [stderr] 15 | use std::marker::PhantomData;
Dec 18 00:18:22.626 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:18:22.626 INFO [stderr] 
Dec 18 00:18:22.786 INFO [stderr] warning: unused variable: `cxt`
Dec 18 00:18:22.786 INFO [stderr]   --> src/value.rs:43:14
Dec 18 00:18:22.786 INFO [stderr]    |
Dec 18 00:18:22.786 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 18 00:18:22.786 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Dec 18 00:18:22.786 INFO [stderr]    |
Dec 18 00:18:22.786 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:18:22.786 INFO [stderr] 
Dec 18 00:18:22.786 INFO [stderr] warning: unused variable: `idx`
Dec 18 00:18:22.786 INFO [stderr]   --> src/value.rs:43:32
Dec 18 00:18:22.786 INFO [stderr]    |
Dec 18 00:18:22.786 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 18 00:18:22.786 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Dec 18 00:18:22.786 INFO [stderr] 
Dec 18 00:18:22.786 INFO [stderr] warning: unused variable: `cxt`
Dec 18 00:18:22.786 INFO [stderr]   --> src/borrow.rs:52:14
Dec 18 00:18:22.786 INFO [stderr]    |
Dec 18 00:18:22.786 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 18 00:18:22.786 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Dec 18 00:18:22.786 INFO [stderr] 
Dec 18 00:18:22.786 INFO [stderr] warning: unused variable: `idx`
Dec 18 00:18:22.786 INFO [stderr]   --> src/borrow.rs:52:32
Dec 18 00:18:22.786 INFO [stderr]    |
Dec 18 00:18:22.786 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 18 00:18:22.786 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Dec 18 00:18:22.786 INFO [stderr] 
Dec 18 00:18:22.860 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 00:18:22.860 INFO [stderr]   --> src/collections/index.rs:31:48
Dec 18 00:18:22.860 INFO [stderr]    |
Dec 18 00:18:22.860 INFO [stderr] 30 |         unsafe {
Dec 18 00:18:22.860 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Dec 18 00:18:22.860 INFO [stderr] 31 |             ffi::lua_getfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
Dec 18 00:18:22.860 INFO [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
Dec 18 00:18:22.860 INFO [stderr]    |
Dec 18 00:18:22.860 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 18 00:18:22.860 INFO [stderr] 
Dec 18 00:18:22.860 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 00:18:22.860 INFO [stderr]   --> src/collections/index.rs:37:48
Dec 18 00:18:22.860 INFO [stderr]    |
Dec 18 00:18:22.860 INFO [stderr] 36 |         unsafe {
Dec 18 00:18:22.860 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Dec 18 00:18:22.860 INFO [stderr] 37 |             ffi::lua_setfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
Dec 18 00:18:22.860 INFO [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
Dec 18 00:18:22.860 INFO [stderr] 
Dec 18 00:18:22.860 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 00:18:22.860 INFO [stderr]   --> src/context.rs:67:67
Dec 18 00:18:22.860 INFO [stderr]    |
Dec 18 00:18:22.860 INFO [stderr] 66 |         unsafe {
Dec 18 00:18:22.860 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Dec 18 00:18:22.860 INFO [stderr] 67 |             ffi::lua_getfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
Dec 18 00:18:22.860 INFO [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
Dec 18 00:18:22.860 INFO [stderr] 
Dec 18 00:18:22.860 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 00:18:22.860 INFO [stderr]   --> src/context.rs:79:67
Dec 18 00:18:22.860 INFO [stderr]    |
Dec 18 00:18:22.860 INFO [stderr] 78 |         unsafe {
Dec 18 00:18:22.860 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Dec 18 00:18:22.860 INFO [stderr] 79 |             ffi::lua_setfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
Dec 18 00:18:22.860 INFO [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
Dec 18 00:18:22.860 INFO [stderr] 
Dec 18 00:18:22.860 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 00:18:22.860 INFO [stderr]   --> src/function.rs:48:9
Dec 18 00:18:22.860 INFO [stderr]    |
Dec 18 00:18:22.860 INFO [stderr] 48 |         unsafe {
Dec 18 00:18:22.860 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Dec 18 00:18:22.860 INFO [stderr] 
Dec 18 00:18:22.860 INFO [stderr] warning: variable `L` should have a snake case name such as `l`
Dec 18 00:18:22.860 INFO [stderr]   --> src/function.rs:84:36
Dec 18 00:18:22.860 INFO [stderr]    |
Dec 18 00:18:22.860 INFO [stderr] 84 | unsafe extern "C" fn fn_wrapper<F>(L: *mut ffi::lua_State) -> libc::c_int
Dec 18 00:18:22.860 INFO [stderr]    |                                    ^
Dec 18 00:18:22.860 INFO [stderr]    |
Dec 18 00:18:22.860 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 00:18:22.861 INFO [stderr] 
Dec 18 00:18:22.861 INFO [stderr] warning: type `nil` should have a camel case name such as `Nil`
Dec 18 00:18:22.861 INFO [stderr]   --> src/lib.rs:40:1
Dec 18 00:18:22.861 INFO [stderr]    |
Dec 18 00:18:22.861 INFO [stderr] 40 | pub struct nil;
Dec 18 00:18:22.861 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 00:18:22.861 INFO [stderr]    |
Dec 18 00:18:22.861 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 18 00:18:22.861 INFO [stderr] 
Dec 18 00:18:22.892 INFO [stderr] warning: unused variable: `cxt`
Dec 18 00:18:22.892 INFO [stderr]   --> src/value.rs:43:14
Dec 18 00:18:22.892 INFO [stderr]    |
Dec 18 00:18:22.892 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 18 00:18:22.892 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Dec 18 00:18:22.893 INFO [stderr]    |
Dec 18 00:18:22.893 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:18:22.893 INFO [stderr] 
Dec 18 00:18:22.893 INFO [stderr] warning: unused variable: `idx`
Dec 18 00:18:22.893 INFO [stderr]   --> src/value.rs:43:32
Dec 18 00:18:22.893 INFO [stderr]    |
Dec 18 00:18:22.893 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 18 00:18:22.893 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Dec 18 00:18:22.893 INFO [stderr] 
Dec 18 00:18:22.893 INFO [stderr] warning: unused variable: `cxt`
Dec 18 00:18:22.893 INFO [stderr]   --> src/borrow.rs:52:14
Dec 18 00:18:22.893 INFO [stderr]    |
Dec 18 00:18:22.893 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 18 00:18:22.893 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Dec 18 00:18:22.893 INFO [stderr] 
Dec 18 00:18:22.893 INFO [stderr] warning: unused variable: `idx`
Dec 18 00:18:22.893 INFO [stderr]   --> src/borrow.rs:52:32
Dec 18 00:18:22.893 INFO [stderr]    |
Dec 18 00:18:22.893 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 18 00:18:22.893 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Dec 18 00:18:22.893 INFO [stderr] 
Dec 18 00:18:23.034 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:18:23.034 INFO [stderr]   --> src/function.rs:94:9
Dec 18 00:18:23.034 INFO [stderr]    |
Dec 18 00:18:23.034 INFO [stderr] 94 |     let mut cxt = Context::new();
Dec 18 00:18:23.034 INFO [stderr]    |         ----^^^
Dec 18 00:18:23.034 INFO [stderr]    |         |
Dec 18 00:18:23.034 INFO [stderr]    |         help: remove this `mut`
Dec 18 00:18:23.034 INFO [stderr]    |
Dec 18 00:18:23.034 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 00:18:23.034 INFO [stderr] 
Dec 18 00:18:23.036 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:18:23.036 INFO [stderr]    --> src/function.rs:106:9
Dec 18 00:18:23.036 INFO [stderr]     |
Dec 18 00:18:23.036 INFO [stderr] 106 |     let mut cxt = Context::new();
Dec 18 00:18:23.036 INFO [stderr]     |         ----^^^
Dec 18 00:18:23.036 INFO [stderr]     |         |
Dec 18 00:18:23.036 INFO [stderr]     |         help: remove this `mut`
Dec 18 00:18:23.036 INFO [stderr] 
Dec 18 00:18:23.037 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:18:23.037 INFO [stderr]    --> src/function.rs:120:9
Dec 18 00:18:23.037 INFO [stderr]     |
Dec 18 00:18:23.037 INFO [stderr] 120 |     let mut cxt = Context::new();
Dec 18 00:18:23.037 INFO [stderr]     |         ----^^^
Dec 18 00:18:23.037 INFO [stderr]     |         |
Dec 18 00:18:23.037 INFO [stderr]     |         help: remove this `mut`
Dec 18 00:18:23.038 INFO [stderr] 
Dec 18 00:18:23.038 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 00:18:23.038 INFO [stderr]   --> src/collections/index.rs:31:48
Dec 18 00:18:23.038 INFO [stderr]    |
Dec 18 00:18:23.038 INFO [stderr] 30 |         unsafe {
Dec 18 00:18:23.038 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Dec 18 00:18:23.038 INFO [stderr] 31 |             ffi::lua_getfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
Dec 18 00:18:23.038 INFO [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
Dec 18 00:18:23.038 INFO [stderr]    |
Dec 18 00:18:23.038 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 18 00:18:23.038 INFO [stderr] 
Dec 18 00:18:23.038 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 00:18:23.038 INFO [stderr]   --> src/collections/index.rs:37:48
Dec 18 00:18:23.038 INFO [stderr]    |
Dec 18 00:18:23.038 INFO [stderr] 36 |         unsafe {
Dec 18 00:18:23.038 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Dec 18 00:18:23.038 INFO [stderr] 37 |             ffi::lua_setfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
Dec 18 00:18:23.038 INFO [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
Dec 18 00:18:23.038 INFO [stderr] 
Dec 18 00:18:23.038 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 00:18:23.038 INFO [stderr]   --> src/context.rs:67:67
Dec 18 00:18:23.038 INFO [stderr]    |
Dec 18 00:18:23.038 INFO [stderr] 66 |         unsafe {
Dec 18 00:18:23.038 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Dec 18 00:18:23.038 INFO [stderr] 67 |             ffi::lua_getfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
Dec 18 00:18:23.038 INFO [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
Dec 18 00:18:23.038 INFO [stderr] 
Dec 18 00:18:23.038 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 00:18:23.038 INFO [stderr]   --> src/context.rs:79:67
Dec 18 00:18:23.039 INFO [stderr]    |
Dec 18 00:18:23.039 INFO [stderr] 78 |         unsafe {
Dec 18 00:18:23.039 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Dec 18 00:18:23.039 INFO [stderr] 79 |             ffi::lua_setfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
Dec 18 00:18:23.039 INFO [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
Dec 18 00:18:23.039 INFO [stderr] 
Dec 18 00:18:23.039 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 00:18:23.039 INFO [stderr]   --> src/function.rs:48:9
Dec 18 00:18:23.039 INFO [stderr]    |
Dec 18 00:18:23.039 INFO [stderr] 48 |         unsafe {
Dec 18 00:18:23.039 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Dec 18 00:18:23.039 INFO [stderr] 
Dec 18 00:18:23.050 INFO [stderr] warning: variable `L` should have a snake case name such as `l`
Dec 18 00:18:23.050 INFO [stderr]   --> src/function.rs:84:36
Dec 18 00:18:23.050 INFO [stderr]    |
Dec 18 00:18:23.050 INFO [stderr] 84 | unsafe extern "C" fn fn_wrapper<F>(L: *mut ffi::lua_State) -> libc::c_int
Dec 18 00:18:23.050 INFO [stderr]    |                                    ^
Dec 18 00:18:23.050 INFO [stderr]    |
Dec 18 00:18:23.050 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 00:18:23.050 INFO [stderr] 
Dec 18 00:18:23.054 INFO [stderr] warning: type `nil` should have a camel case name such as `Nil`
Dec 18 00:18:23.054 INFO [stderr]   --> src/lib.rs:40:1
Dec 18 00:18:23.054 INFO [stderr]    |
Dec 18 00:18:23.054 INFO [stderr] 40 | pub struct nil;
Dec 18 00:18:23.054 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 00:18:23.054 INFO [stderr]    |
Dec 18 00:18:23.054 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 18 00:18:23.056 INFO [stderr] 
Dec 18 00:18:23.173 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
Dec 18 00:18:23.604 INFO running `"docker" "inspect" "95b293cd0fbc0cbcfca85dc4cbadf5115db8613e88fd77c012f62d210012f178"`
Dec 18 00:18:23.750 INFO running `"docker" "rm" "-f" "95b293cd0fbc0cbcfca85dc4cbadf5115db8613e88fd77c012f62d210012f178"`
Dec 18 00:18:23.962 INFO [stdout] 95b293cd0fbc0cbcfca85dc4cbadf5115db8613e88fd77c012f62d210012f178