Nov 18 14:06:08.481 INFO testing flu-0.0.2 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 14:06:08.482 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 18 14:06:08.955 INFO [stdout] e040c4806acacba40c35ceaea8e22175d4fc19c6d260d1a487b156b7b1c8c5ee
Nov 18 14:06:08.959 INFO running `"docker" "start" "-a" "e040c4806acacba40c35ceaea8e22175d4fc19c6d260d1a487b156b7b1c8c5ee"`
Nov 18 14:06:10.210 INFO [stderr] usermod: no changes
Nov 18 14:06:10.271 INFO [stderr]    Compiling flu v0.0.2 (/source)
Nov 18 14:06:10.804 INFO [stderr] warning: use of deprecated item 'gcc::Config': gcc::Config has been renamed to gcc::Build
Nov 18 14:06:10.804 INFO [stderr]   --> build.rs:10:5
Nov 18 14:06:10.804 INFO [stderr]    |
Nov 18 14:06:10.804 INFO [stderr] 10 |     gcc::Config::new()
Nov 18 14:06:10.804 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 18 14:06:10.804 INFO [stderr]    |
Nov 18 14:06:10.804 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 18 14:06:10.804 INFO [stderr] 
Nov 18 14:06:10.804 INFO [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
Nov 18 14:06:10.804 INFO [stderr]   --> build.rs:10:5
Nov 18 14:06:10.804 INFO [stderr]    |
Nov 18 14:06:10.804 INFO [stderr] 10 |     gcc::Config::new()
Nov 18 14:06:10.804 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 18 14:06:10.804 INFO [stderr] 
Nov 18 14:06:14.403 INFO [stderr] warning: unused macro definition
Nov 18 14:06:14.403 INFO [stderr]   --> src/lib.rs:5:1
Nov 18 14:06:14.403 INFO [stderr]    |
Nov 18 14:06:14.403 INFO [stderr] 5  | / macro_rules! assert_enum {
Nov 18 14:06:14.403 INFO [stderr] 6  | |     (@as_expr $e:expr) => {$e};
Nov 18 14:06:14.403 INFO [stderr] 7  | |     (@as_pat $p:pat) => {$p};
Nov 18 14:06:14.403 INFO [stderr] 8  | |     ($left:expr, $($right:tt)*) => (
Nov 18 14:06:14.403 INFO [stderr] ...  |
Nov 18 14:06:14.403 INFO [stderr] 21 | |     )
Nov 18 14:06:14.403 INFO [stderr] 22 | | }
Nov 18 14:06:14.403 INFO [stderr]    | |_^
Nov 18 14:06:14.403 INFO [stderr]    |
Nov 18 14:06:14.403 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 18 14:06:14.403 INFO [stderr] 
Nov 18 14:06:14.406 INFO [stderr] warning: unused import: `LuaRef`
Nov 18 14:06:14.406 INFO [stderr]  --> src/stack/push.rs:3:5
Nov 18 14:06:14.406 INFO [stderr]   |
Nov 18 14:06:14.406 INFO [stderr] 3 | use LuaRef;
Nov 18 14:06:14.406 INFO [stderr]   |     ^^^^^^
Nov 18 14:06:14.406 INFO [stderr]   |
Nov 18 14:06:14.406 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 14:06:14.406 INFO [stderr] 
Nov 18 14:06:14.406 INFO [stderr] warning: unused import: `LuaValue`
Nov 18 14:06:14.406 INFO [stderr]  --> src/stack/read.rs:2:5
Nov 18 14:06:14.406 INFO [stderr]   |
Nov 18 14:06:14.406 INFO [stderr] 2 | use LuaValue;
Nov 18 14:06:14.406 INFO [stderr]   |     ^^^^^^^^
Nov 18 14:06:14.406 INFO [stderr] 
Nov 18 14:06:14.406 INFO [stderr] warning: unused import: `LuaRef`
Nov 18 14:06:14.406 INFO [stderr]  --> src/stack/read.rs:3:5
Nov 18 14:06:14.406 INFO [stderr]   |
Nov 18 14:06:14.406 INFO [stderr] 3 | use LuaRef;
Nov 18 14:06:14.406 INFO [stderr]   |     ^^^^^^
Nov 18 14:06:14.406 INFO [stderr] 
Nov 18 14:06:14.406 INFO [stderr] warning: unused import: `nil`
Nov 18 14:06:14.406 INFO [stderr]  --> src/stack/read.rs:5:5
Nov 18 14:06:14.406 INFO [stderr]   |
Nov 18 14:06:14.406 INFO [stderr] 5 | use nil;
Nov 18 14:06:14.406 INFO [stderr]   |     ^^^
Nov 18 14:06:14.406 INFO [stderr] 
Nov 18 14:06:14.406 INFO [stderr] warning: unused import: `LuaValue`
Nov 18 14:06:14.406 INFO [stderr]  --> src/stack/size.rs:2:5
Nov 18 14:06:14.406 INFO [stderr]   |
Nov 18 14:06:14.406 INFO [stderr] 2 | use LuaValue;
Nov 18 14:06:14.406 INFO [stderr]   |     ^^^^^^^^
Nov 18 14:06:14.406 INFO [stderr] 
Nov 18 14:06:14.406 INFO [stderr] warning: unused import: `LuaRef`
Nov 18 14:06:14.406 INFO [stderr]  --> src/stack/size.rs:3:5
Nov 18 14:06:14.406 INFO [stderr]   |
Nov 18 14:06:14.406 INFO [stderr] 3 | use LuaRef;
Nov 18 14:06:14.406 INFO [stderr]   |     ^^^^^^
Nov 18 14:06:14.406 INFO [stderr] 
Nov 18 14:06:14.406 INFO [stderr] warning: unused import: `nil`
Nov 18 14:06:14.406 INFO [stderr]  --> src/collections/table.rs:5:5
Nov 18 14:06:14.406 INFO [stderr]   |
Nov 18 14:06:14.407 INFO [stderr] 5 | use nil;
Nov 18 14:06:14.407 INFO [stderr]   |     ^^^
Nov 18 14:06:14.407 INFO [stderr] 
Nov 18 14:06:14.407 INFO [stderr] warning: unused import: `std::mem`
Nov 18 14:06:14.407 INFO [stderr]   --> src/collections/table.rs:14:5
Nov 18 14:06:14.407 INFO [stderr]    |
Nov 18 14:06:14.407 INFO [stderr] 14 | use std::mem;
Nov 18 14:06:14.407 INFO [stderr]    |     ^^^^^^^^
Nov 18 14:06:14.407 INFO [stderr] 
Nov 18 14:06:14.407 INFO [stderr] warning: unused import: `Table`
Nov 18 14:06:14.407 INFO [stderr]  --> src/context.rs:3:5
Nov 18 14:06:14.407 INFO [stderr]   |
Nov 18 14:06:14.407 INFO [stderr] 3 | use Table;
Nov 18 14:06:14.407 INFO [stderr]   |     ^^^^^
Nov 18 14:06:14.407 INFO [stderr] 
Nov 18 14:06:14.407 INFO [stderr] warning: unused import: `nil`
Nov 18 14:06:14.407 INFO [stderr]  --> src/value.rs:6:5
Nov 18 14:06:14.407 INFO [stderr]   |
Nov 18 14:06:14.407 INFO [stderr] 6 | use nil;
Nov 18 14:06:14.407 INFO [stderr]   |     ^^^
Nov 18 14:06:14.407 INFO [stderr] 
Nov 18 14:06:14.407 INFO [stderr] warning: unused import: `Table`
Nov 18 14:06:14.407 INFO [stderr]  --> src/function.rs:3:5
Nov 18 14:06:14.407 INFO [stderr]   |
Nov 18 14:06:14.407 INFO [stderr] 3 | use Table;
Nov 18 14:06:14.407 INFO [stderr]   |     ^^^^^
Nov 18 14:06:14.407 INFO [stderr] 
Nov 18 14:06:14.407 INFO [stderr] warning: unused import: `nil`
Nov 18 14:06:14.407 INFO [stderr]  --> src/function.rs:5:5
Nov 18 14:06:14.407 INFO [stderr]   |
Nov 18 14:06:14.407 INFO [stderr] 5 | use nil;
Nov 18 14:06:14.407 INFO [stderr]   |     ^^^
Nov 18 14:06:14.407 INFO [stderr] 
Nov 18 14:06:14.599 INFO [stderr] warning: unused variable: `cxt`
Nov 18 14:06:14.599 INFO [stderr]   --> src/value.rs:43:14
Nov 18 14:06:14.599 INFO [stderr]    |
Nov 18 14:06:14.599 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 18 14:06:14.599 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Nov 18 14:06:14.599 INFO [stderr]    |
Nov 18 14:06:14.599 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 18 14:06:14.599 INFO [stderr] 
Nov 18 14:06:14.599 INFO [stderr] warning: unused variable: `idx`
Nov 18 14:06:14.599 INFO [stderr]   --> src/value.rs:43:32
Nov 18 14:06:14.599 INFO [stderr]    |
Nov 18 14:06:14.599 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 18 14:06:14.600 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Nov 18 14:06:14.600 INFO [stderr] 
Nov 18 14:06:14.601 INFO [stderr] warning: unused variable: `cxt`
Nov 18 14:06:14.601 INFO [stderr]   --> src/borrow.rs:52:14
Nov 18 14:06:14.601 INFO [stderr]    |
Nov 18 14:06:14.601 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 18 14:06:14.602 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Nov 18 14:06:14.602 INFO [stderr] 
Nov 18 14:06:14.602 INFO [stderr] warning: unused variable: `idx`
Nov 18 14:06:14.602 INFO [stderr]   --> src/borrow.rs:52:32
Nov 18 14:06:14.602 INFO [stderr]    |
Nov 18 14:06:14.602 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 18 14:06:14.602 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Nov 18 14:06:14.602 INFO [stderr] 
Nov 18 14:06:14.662 INFO [stderr] warning: unnecessary `unsafe` block
Nov 18 14:06:14.662 INFO [stderr]   --> src/function.rs:48:9
Nov 18 14:06:14.662 INFO [stderr]    |
Nov 18 14:06:14.662 INFO [stderr] 48 |         unsafe {
Nov 18 14:06:14.662 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Nov 18 14:06:14.662 INFO [stderr]    |
Nov 18 14:06:14.662 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 18 14:06:14.662 INFO [stderr] 
Nov 18 14:06:14.662 INFO [stderr] warning: unnecessary `unsafe` block
Nov 18 14:06:14.662 INFO [stderr]    --> src/function.rs:101:24
Nov 18 14:06:14.662 INFO [stderr]     |
Nov 18 14:06:14.662 INFO [stderr] 98  | / unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
Nov 18 14:06:14.662 INFO [stderr] 99  | |         where P: Push, R: for<'a> Read<'a> + Size, F: Fn(R) -> P {
Nov 18 14:06:14.662 INFO [stderr] 100 | |     let cxt = Context::from_state_weak(L);
Nov 18 14:06:14.662 INFO [stderr] 101 | |     let func: &mut F = unsafe { mem::transmute(ffi::lua_touserdata(L, ffi::lua_upvalueindex(1))) };
Nov 18 14:06:14.662 INFO [stderr]     | |                        ^^^^^^ unnecessary `unsafe` block
Nov 18 14:06:14.662 INFO [stderr] ...   |
Nov 18 14:06:14.662 INFO [stderr] 106 | |     R::size()
Nov 18 14:06:14.662 INFO [stderr] 107 | | }
Nov 18 14:06:14.662 INFO [stderr]     | |_- because it's nested under this `unsafe` fn
Nov 18 14:06:14.662 INFO [stderr] 
Nov 18 14:06:14.668 INFO [stderr] warning: variable `L` should have a snake case name such as `l`
Nov 18 14:06:14.668 INFO [stderr]   --> src/function.rs:98:35
Nov 18 14:06:14.668 INFO [stderr]    |
Nov 18 14:06:14.668 INFO [stderr] 98 | unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
Nov 18 14:06:14.668 INFO [stderr]    |                                   ^
Nov 18 14:06:14.668 INFO [stderr]    |
Nov 18 14:06:14.670 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 18 14:06:14.670 INFO [stderr] 
Nov 18 14:06:14.670 INFO [stderr] warning: type `nil` should have a camel case name such as `Nil`
Nov 18 14:06:14.670 INFO [stderr]   --> src/lib.rs:40:1
Nov 18 14:06:14.670 INFO [stderr]    |
Nov 18 14:06:14.670 INFO [stderr] 40 | pub struct nil;
Nov 18 14:06:14.670 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 18 14:06:14.670 INFO [stderr]    |
Nov 18 14:06:14.670 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 18 14:06:14.670 INFO [stderr] 
Nov 18 14:06:15.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
Nov 18 14:06:15.092 INFO [stderr] su: No module specific data is present
Nov 18 14:06:16.048 INFO running `"docker" "inspect" "e040c4806acacba40c35ceaea8e22175d4fc19c6d260d1a487b156b7b1c8c5ee"`
Nov 18 14:06:16.280 INFO running `"docker" "rm" "-f" "e040c4806acacba40c35ceaea8e22175d4fc19c6d260d1a487b156b7b1c8c5ee"`
Nov 18 14:06:16.585 INFO [stdout] e040c4806acacba40c35ceaea8e22175d4fc19c6d260d1a487b156b7b1c8c5ee
Nov 18 14:06:16.591 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 18 14:06:17.079 INFO [stdout] 26d7c12b1a5fd7f86d99bad9dc4fb7314b29b3643af691817e15167fe7f401c2
Nov 18 14:06:17.081 INFO running `"docker" "start" "-a" "26d7c12b1a5fd7f86d99bad9dc4fb7314b29b3643af691817e15167fe7f401c2"`
Nov 18 14:06:18.108 INFO [stderr] usermod: no changes
Nov 18 14:06:18.181 INFO [stderr]    Compiling flu v0.0.2 (/source)
Nov 18 14:06:18.836 INFO [stderr] warning: unused import: `LuaRef`
Nov 18 14:06:18.836 INFO [stderr]  --> src/stack/push.rs:3:5
Nov 18 14:06:18.836 INFO [stderr]   |
Nov 18 14:06:18.836 INFO [stderr] 3 | use LuaRef;
Nov 18 14:06:18.836 INFO [stderr]   |     ^^^^^^
Nov 18 14:06:18.836 INFO [stderr]   |
Nov 18 14:06:18.836 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 14:06:18.836 INFO [stderr] 
Nov 18 14:06:18.836 INFO [stderr] warning: unused import: `LuaValue`
Nov 18 14:06:18.836 INFO [stderr]  --> src/stack/read.rs:2:5
Nov 18 14:06:18.836 INFO [stderr]   |
Nov 18 14:06:18.836 INFO [stderr] 2 | use LuaValue;
Nov 18 14:06:18.836 INFO [stderr]   |     ^^^^^^^^
Nov 18 14:06:18.836 INFO [stderr] 
Nov 18 14:06:18.836 INFO [stderr] warning: unused import: `LuaRef`
Nov 18 14:06:18.836 INFO [stderr]  --> src/stack/read.rs:3:5
Nov 18 14:06:18.836 INFO [stderr]   |
Nov 18 14:06:18.836 INFO [stderr] 3 | use LuaRef;
Nov 18 14:06:18.836 INFO [stderr]   |     ^^^^^^
Nov 18 14:06:18.836 INFO [stderr] 
Nov 18 14:06:18.836 INFO [stderr] warning: unused import: `LuaValue`
Nov 18 14:06:18.836 INFO [stderr]  --> src/stack/size.rs:2:5
Nov 18 14:06:18.836 INFO [stderr]   |
Nov 18 14:06:18.836 INFO [stderr] 2 | use LuaValue;
Nov 18 14:06:18.836 INFO [stderr]   |     ^^^^^^^^
Nov 18 14:06:18.836 INFO [stderr] 
Nov 18 14:06:18.836 INFO [stderr] warning: unused import: `LuaRef`
Nov 18 14:06:18.836 INFO [stderr]  --> src/stack/size.rs:3:5
Nov 18 14:06:18.836 INFO [stderr]   |
Nov 18 14:06:18.836 INFO [stderr] 3 | use LuaRef;
Nov 18 14:06:18.836 INFO [stderr]   |     ^^^^^^
Nov 18 14:06:18.836 INFO [stderr] 
Nov 18 14:06:18.836 INFO [stderr] warning: unused import: `std::mem`
Nov 18 14:06:18.836 INFO [stderr]   --> src/collections/table.rs:14:5
Nov 18 14:06:18.836 INFO [stderr]    |
Nov 18 14:06:18.836 INFO [stderr] 14 | use std::mem;
Nov 18 14:06:18.837 INFO [stderr]    |     ^^^^^^^^
Nov 18 14:06:18.837 INFO [stderr] 
Nov 18 14:06:18.837 INFO [stderr] warning: unused import: `nil`
Nov 18 14:06:18.837 INFO [stderr]  --> src/function.rs:5:5
Nov 18 14:06:18.837 INFO [stderr]   |
Nov 18 14:06:18.837 INFO [stderr] 5 | use nil;
Nov 18 14:06:18.837 INFO [stderr]   |     ^^^
Nov 18 14:06:18.837 INFO [stderr] 
Nov 18 14:06:19.143 INFO [stderr] warning: unused variable: `cxt`
Nov 18 14:06:19.143 INFO [stderr]   --> src/value.rs:43:14
Nov 18 14:06:19.143 INFO [stderr]    |
Nov 18 14:06:19.143 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 18 14:06:19.143 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Nov 18 14:06:19.143 INFO [stderr]    |
Nov 18 14:06:19.143 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 18 14:06:19.143 INFO [stderr] 
Nov 18 14:06:19.143 INFO [stderr] warning: unused variable: `idx`
Nov 18 14:06:19.143 INFO [stderr]   --> src/value.rs:43:32
Nov 18 14:06:19.143 INFO [stderr]    |
Nov 18 14:06:19.143 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 18 14:06:19.143 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Nov 18 14:06:19.143 INFO [stderr] 
Nov 18 14:06:19.143 INFO [stderr] warning: unused variable: `cxt`
Nov 18 14:06:19.143 INFO [stderr]   --> src/borrow.rs:52:14
Nov 18 14:06:19.143 INFO [stderr]    |
Nov 18 14:06:19.143 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 18 14:06:19.143 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Nov 18 14:06:19.143 INFO [stderr] 
Nov 18 14:06:19.143 INFO [stderr] warning: unused variable: `idx`
Nov 18 14:06:19.143 INFO [stderr]   --> src/borrow.rs:52:32
Nov 18 14:06:19.143 INFO [stderr]    |
Nov 18 14:06:19.143 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 18 14:06:19.143 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Nov 18 14:06:19.143 INFO [stderr] 
Nov 18 14:06:19.267 INFO [stderr] warning: variable does not need to be mutable
Nov 18 14:06:19.267 INFO [stderr]    --> src/function.rs:150:9
Nov 18 14:06:19.267 INFO [stderr]     |
Nov 18 14:06:19.267 INFO [stderr] 150 |     let mut cxt = Context::new();
Nov 18 14:06:19.267 INFO [stderr]     |         ----^^^
Nov 18 14:06:19.267 INFO [stderr]     |         |
Nov 18 14:06:19.267 INFO [stderr]     |         help: remove this `mut`
Nov 18 14:06:19.267 INFO [stderr]     |
Nov 18 14:06:19.268 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 14:06:19.268 INFO [stderr] 
Nov 18 14:06:19.268 INFO [stderr] warning: unnecessary `unsafe` block
Nov 18 14:06:19.268 INFO [stderr]   --> src/function.rs:48:9
Nov 18 14:06:19.268 INFO [stderr]    |
Nov 18 14:06:19.268 INFO [stderr] 48 |         unsafe {
Nov 18 14:06:19.268 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Nov 18 14:06:19.268 INFO [stderr]    |
Nov 18 14:06:19.268 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 18 14:06:19.268 INFO [stderr] 
Nov 18 14:06:19.268 INFO [stderr] warning: unnecessary `unsafe` block
Nov 18 14:06:19.268 INFO [stderr]    --> src/function.rs:101:24
Nov 18 14:06:19.268 INFO [stderr]     |
Nov 18 14:06:19.268 INFO [stderr] 98  | / unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
Nov 18 14:06:19.268 INFO [stderr] 99  | |         where P: Push, R: for<'a> Read<'a> + Size, F: Fn(R) -> P {
Nov 18 14:06:19.268 INFO [stderr] 100 | |     let cxt = Context::from_state_weak(L);
Nov 18 14:06:19.268 INFO [stderr] 101 | |     let func: &mut F = unsafe { mem::transmute(ffi::lua_touserdata(L, ffi::lua_upvalueindex(1))) };
Nov 18 14:06:19.268 INFO [stderr]     | |                        ^^^^^^ unnecessary `unsafe` block
Nov 18 14:06:19.268 INFO [stderr] ...   |
Nov 18 14:06:19.268 INFO [stderr] 106 | |     R::size()
Nov 18 14:06:19.269 INFO [stderr] 107 | | }
Nov 18 14:06:19.269 INFO [stderr]     | |_- because it's nested under this `unsafe` fn
Nov 18 14:06:19.269 INFO [stderr] 
Nov 18 14:06:19.282 INFO [stderr] warning: variable `L` should have a snake case name such as `l`
Nov 18 14:06:19.282 INFO [stderr]   --> src/function.rs:98:35
Nov 18 14:06:19.282 INFO [stderr]    |
Nov 18 14:06:19.282 INFO [stderr] 98 | unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
Nov 18 14:06:19.282 INFO [stderr]    |                                   ^
Nov 18 14:06:19.282 INFO [stderr]    |
Nov 18 14:06:19.282 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 18 14:06:19.282 INFO [stderr] 
Nov 18 14:06:19.287 INFO [stderr] warning: type `nil` should have a camel case name such as `Nil`
Nov 18 14:06:19.287 INFO [stderr]   --> src/lib.rs:40:1
Nov 18 14:06:19.287 INFO [stderr]    |
Nov 18 14:06:19.287 INFO [stderr] 40 | pub struct nil;
Nov 18 14:06:19.287 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 18 14:06:19.287 INFO [stderr]    |
Nov 18 14:06:19.287 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 18 14:06:19.287 INFO [stderr] 
Nov 18 14:06:20.669 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
Nov 18 14:06:20.670 INFO [stderr] su: No module specific data is present
Nov 18 14:06:21.268 INFO running `"docker" "inspect" "26d7c12b1a5fd7f86d99bad9dc4fb7314b29b3643af691817e15167fe7f401c2"`
Nov 18 14:06:21.561 INFO running `"docker" "rm" "-f" "26d7c12b1a5fd7f86d99bad9dc4fb7314b29b3643af691817e15167fe7f401c2"`
Nov 18 14:06:21.879 INFO [stdout] 26d7c12b1a5fd7f86d99bad9dc4fb7314b29b3643af691817e15167fe7f401c2
Nov 18 14:06:21.885 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 18 14:06:22.323 INFO [stdout] f81d71d8faa9b88732a1ff51672356b8854512acc039699c33ef60030f398832
Nov 18 14:06:22.329 INFO running `"docker" "start" "-a" "f81d71d8faa9b88732a1ff51672356b8854512acc039699c33ef60030f398832"`
Nov 18 14:06:23.331 INFO [stderr] usermod: no changes
Nov 18 14:06:23.383 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 18 14:06:23.383 INFO [stderr]      Running /target/debug/deps/flu-918faa3e553918f9
Nov 18 14:06:23.391 INFO [stdout] 
Nov 18 14:06:23.391 INFO [stdout] running 17 tests
Nov 18 14:06:23.431 INFO [stdout] test borrow::read_ref ... ok
Nov 18 14:06:23.431 INFO [stdout] test collections::table::access ... ok
Nov 18 14:06:23.431 INFO [stdout] test collections::table::from_vec ... ok
Nov 18 14:06:23.431 INFO [stdout] test collections::table::from_map ... ok
Nov 18 14:06:23.431 INFO [stdout] test context::stack_size ... ok
Nov 18 14:06:23.431 INFO [stdout] test context::get_globals ... ok
Nov 18 14:06:23.443 INFO [stdout] test collections::table::len ... ok
Nov 18 14:06:23.443 INFO [stdout] test function::rust_fn ... ok
Nov 18 14:06:23.443 INFO [stdout] test collections::table::iter ... ok
Nov 18 14:06:23.443 INFO [stdout] test function::custom_types ... ok
Nov 18 14:06:23.443 INFO [stdout] test function::multiple_args ... ok
Nov 18 14:06:23.443 INFO [stdout] test function::simple ... ok
Nov 18 14:06:23.443 INFO [stdout] test stack::read::read_int ... ok
Nov 18 14:06:23.443 INFO [stdout] test value::read_value ... ok
Nov 18 14:06:23.443 INFO [stdout] test stack::read::read_num ... ok
Nov 18 14:06:23.443 INFO [stdout] test stack::read::read_string ... ok
Nov 18 14:06:23.443 INFO [stdout] test stack::read::read_optional ... ok
Nov 18 14:06:23.443 INFO [stdout] 
Nov 18 14:06:23.443 INFO [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:06:23.443 INFO [stdout] 
Nov 18 14:06:23.451 INFO [stderr]    Doc-tests flu
Nov 18 14:06:24.352 INFO [stdout] 
Nov 18 14:06:24.352 INFO [stdout] running 0 tests
Nov 18 14:06:24.353 INFO [stdout] 
Nov 18 14:06:24.353 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:06:24.353 INFO [stdout] 
Nov 18 14:06:24.360 INFO [stderr] su: No module specific data is present
Nov 18 14:06:25.049 INFO running `"docker" "inspect" "f81d71d8faa9b88732a1ff51672356b8854512acc039699c33ef60030f398832"`
Nov 18 14:06:25.382 INFO running `"docker" "rm" "-f" "f81d71d8faa9b88732a1ff51672356b8854512acc039699c33ef60030f398832"`
Nov 18 14:06:25.655 INFO [stdout] f81d71d8faa9b88732a1ff51672356b8854512acc039699c33ef60030f398832