Dec 07 16:33:06.999 INFO testing flu-0.0.2 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 16:33:06.999 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 07 16:33:07.209 INFO [stdout] 051709314ec48a60cf18fd8781d34e53e01c24f4a1ad12fc405137a766dc4914
Dec 07 16:33:07.209 INFO running `"docker" "start" "-a" "051709314ec48a60cf18fd8781d34e53e01c24f4a1ad12fc405137a766dc4914"`
Dec 07 16:33:07.691 INFO [stderr] usermod: no changes
Dec 07 16:33:07.734 INFO [stderr]    Compiling flu v0.0.2 (/source)
Dec 07 16:33:08.083 INFO [stderr] warning: use of deprecated item 'gcc::Config': gcc::Config has been renamed to gcc::Build
Dec 07 16:33:08.083 INFO [stderr]   --> build.rs:10:5
Dec 07 16:33:08.083 INFO [stderr]    |
Dec 07 16:33:08.083 INFO [stderr] 10 |     gcc::Config::new()
Dec 07 16:33:08.083 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 07 16:33:08.083 INFO [stderr]    |
Dec 07 16:33:08.083 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 07 16:33:08.083 INFO [stderr] 
Dec 07 16:33:08.086 INFO [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
Dec 07 16:33:08.086 INFO [stderr]   --> build.rs:10:5
Dec 07 16:33:08.086 INFO [stderr]    |
Dec 07 16:33:08.086 INFO [stderr] 10 |     gcc::Config::new()
Dec 07 16:33:08.086 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 07 16:33:08.086 INFO [stderr] 
Dec 07 16:33:14.076 INFO [stderr] warning: unused macro definition
Dec 07 16:33:14.076 INFO [stderr]   --> src/lib.rs:5:1
Dec 07 16:33:14.076 INFO [stderr]    |
Dec 07 16:33:14.076 INFO [stderr] 5  | / macro_rules! assert_enum {
Dec 07 16:33:14.076 INFO [stderr] 6  | |     (@as_expr $e:expr) => {$e};
Dec 07 16:33:14.076 INFO [stderr] 7  | |     (@as_pat $p:pat) => {$p};
Dec 07 16:33:14.076 INFO [stderr] 8  | |     ($left:expr, $($right:tt)*) => (
Dec 07 16:33:14.076 INFO [stderr] ...  |
Dec 07 16:33:14.076 INFO [stderr] 21 | |     )
Dec 07 16:33:14.076 INFO [stderr] 22 | | }
Dec 07 16:33:14.076 INFO [stderr]    | |_^
Dec 07 16:33:14.076 INFO [stderr]    |
Dec 07 16:33:14.076 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 07 16:33:14.076 INFO [stderr] 
Dec 07 16:33:14.076 INFO [stderr] warning: unused import: `LuaRef`
Dec 07 16:33:14.076 INFO [stderr]  --> src/stack/push.rs:3:5
Dec 07 16:33:14.076 INFO [stderr]   |
Dec 07 16:33:14.076 INFO [stderr] 3 | use LuaRef;
Dec 07 16:33:14.076 INFO [stderr]   |     ^^^^^^
Dec 07 16:33:14.076 INFO [stderr]   |
Dec 07 16:33:14.076 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 16:33:14.076 INFO [stderr] 
Dec 07 16:33:14.076 INFO [stderr] warning: unused import: `LuaValue`
Dec 07 16:33:14.076 INFO [stderr]  --> src/stack/read.rs:2:5
Dec 07 16:33:14.076 INFO [stderr]   |
Dec 07 16:33:14.076 INFO [stderr] 2 | use LuaValue;
Dec 07 16:33:14.076 INFO [stderr]   |     ^^^^^^^^
Dec 07 16:33:14.076 INFO [stderr] 
Dec 07 16:33:14.076 INFO [stderr] warning: unused import: `LuaRef`
Dec 07 16:33:14.076 INFO [stderr]  --> src/stack/read.rs:3:5
Dec 07 16:33:14.076 INFO [stderr]   |
Dec 07 16:33:14.076 INFO [stderr] 3 | use LuaRef;
Dec 07 16:33:14.076 INFO [stderr]   |     ^^^^^^
Dec 07 16:33:14.076 INFO [stderr] 
Dec 07 16:33:14.076 INFO [stderr] warning: unused import: `nil`
Dec 07 16:33:14.076 INFO [stderr]  --> src/stack/read.rs:5:5
Dec 07 16:33:14.076 INFO [stderr]   |
Dec 07 16:33:14.076 INFO [stderr] 5 | use nil;
Dec 07 16:33:14.076 INFO [stderr]   |     ^^^
Dec 07 16:33:14.076 INFO [stderr] 
Dec 07 16:33:14.077 INFO [stderr] warning: unused import: `LuaValue`
Dec 07 16:33:14.077 INFO [stderr]  --> src/stack/size.rs:2:5
Dec 07 16:33:14.077 INFO [stderr]   |
Dec 07 16:33:14.077 INFO [stderr] 2 | use LuaValue;
Dec 07 16:33:14.077 INFO [stderr]   |     ^^^^^^^^
Dec 07 16:33:14.077 INFO [stderr] 
Dec 07 16:33:14.077 INFO [stderr] warning: unused import: `LuaRef`
Dec 07 16:33:14.077 INFO [stderr]  --> src/stack/size.rs:3:5
Dec 07 16:33:14.077 INFO [stderr]   |
Dec 07 16:33:14.077 INFO [stderr] 3 | use LuaRef;
Dec 07 16:33:14.077 INFO [stderr]   |     ^^^^^^
Dec 07 16:33:14.077 INFO [stderr] 
Dec 07 16:33:14.077 INFO [stderr] warning: unused import: `nil`
Dec 07 16:33:14.077 INFO [stderr]  --> src/collections/table.rs:5:5
Dec 07 16:33:14.077 INFO [stderr]   |
Dec 07 16:33:14.077 INFO [stderr] 5 | use nil;
Dec 07 16:33:14.077 INFO [stderr]   |     ^^^
Dec 07 16:33:14.077 INFO [stderr] 
Dec 07 16:33:14.077 INFO [stderr] warning: unused import: `std::mem`
Dec 07 16:33:14.077 INFO [stderr]   --> src/collections/table.rs:14:5
Dec 07 16:33:14.077 INFO [stderr]    |
Dec 07 16:33:14.077 INFO [stderr] 14 | use std::mem;
Dec 07 16:33:14.077 INFO [stderr]    |     ^^^^^^^^
Dec 07 16:33:14.077 INFO [stderr] 
Dec 07 16:33:14.077 INFO [stderr] warning: unused import: `Table`
Dec 07 16:33:14.077 INFO [stderr]  --> src/context.rs:3:5
Dec 07 16:33:14.077 INFO [stderr]   |
Dec 07 16:33:14.077 INFO [stderr] 3 | use Table;
Dec 07 16:33:14.077 INFO [stderr]   |     ^^^^^
Dec 07 16:33:14.077 INFO [stderr] 
Dec 07 16:33:14.077 INFO [stderr] warning: unused import: `nil`
Dec 07 16:33:14.077 INFO [stderr]  --> src/value.rs:6:5
Dec 07 16:33:14.077 INFO [stderr]   |
Dec 07 16:33:14.077 INFO [stderr] 6 | use nil;
Dec 07 16:33:14.077 INFO [stderr]   |     ^^^
Dec 07 16:33:14.077 INFO [stderr] 
Dec 07 16:33:14.077 INFO [stderr] warning: unused import: `Table`
Dec 07 16:33:14.077 INFO [stderr]  --> src/function.rs:3:5
Dec 07 16:33:14.077 INFO [stderr]   |
Dec 07 16:33:14.077 INFO [stderr] 3 | use Table;
Dec 07 16:33:14.077 INFO [stderr]   |     ^^^^^
Dec 07 16:33:14.077 INFO [stderr] 
Dec 07 16:33:14.077 INFO [stderr] warning: unused import: `nil`
Dec 07 16:33:14.077 INFO [stderr]  --> src/function.rs:5:5
Dec 07 16:33:14.077 INFO [stderr]   |
Dec 07 16:33:14.077 INFO [stderr] 5 | use nil;
Dec 07 16:33:14.077 INFO [stderr]   |     ^^^
Dec 07 16:33:14.077 INFO [stderr] 
Dec 07 16:33:14.244 INFO [stderr] warning: unused variable: `cxt`
Dec 07 16:33:14.244 INFO [stderr]   --> src/value.rs:43:14
Dec 07 16:33:14.244 INFO [stderr]    |
Dec 07 16:33:14.244 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 07 16:33:14.244 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Dec 07 16:33:14.244 INFO [stderr]    |
Dec 07 16:33:14.244 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 16:33:14.244 INFO [stderr] 
Dec 07 16:33:14.244 INFO [stderr] warning: unused variable: `idx`
Dec 07 16:33:14.244 INFO [stderr]   --> src/value.rs:43:32
Dec 07 16:33:14.244 INFO [stderr]    |
Dec 07 16:33:14.244 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 07 16:33:14.244 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Dec 07 16:33:14.244 INFO [stderr] 
Dec 07 16:33:14.244 INFO [stderr] warning: unused variable: `cxt`
Dec 07 16:33:14.244 INFO [stderr]   --> src/borrow.rs:52:14
Dec 07 16:33:14.244 INFO [stderr]    |
Dec 07 16:33:14.244 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 07 16:33:14.244 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Dec 07 16:33:14.245 INFO [stderr] 
Dec 07 16:33:14.245 INFO [stderr] warning: unused variable: `idx`
Dec 07 16:33:14.245 INFO [stderr]   --> src/borrow.rs:52:32
Dec 07 16:33:14.245 INFO [stderr]    |
Dec 07 16:33:14.245 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 07 16:33:14.245 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Dec 07 16:33:14.245 INFO [stderr] 
Dec 07 16:33:14.284 INFO [stderr] warning: unnecessary `unsafe` block
Dec 07 16:33:14.284 INFO [stderr]   --> src/function.rs:48:9
Dec 07 16:33:14.284 INFO [stderr]    |
Dec 07 16:33:14.284 INFO [stderr] 48 |         unsafe {
Dec 07 16:33:14.284 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Dec 07 16:33:14.284 INFO [stderr]    |
Dec 07 16:33:14.284 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 07 16:33:14.284 INFO [stderr] 
Dec 07 16:33:14.284 INFO [stderr] warning: unnecessary `unsafe` block
Dec 07 16:33:14.284 INFO [stderr]    --> src/function.rs:101:24
Dec 07 16:33:14.284 INFO [stderr]     |
Dec 07 16:33:14.284 INFO [stderr] 98  | / unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
Dec 07 16:33:14.284 INFO [stderr] 99  | |         where P: Push, R: for<'a> Read<'a> + Size, F: Fn(R) -> P {
Dec 07 16:33:14.284 INFO [stderr] 100 | |     let cxt = Context::from_state_weak(L);
Dec 07 16:33:14.284 INFO [stderr] 101 | |     let func: &mut F = unsafe { mem::transmute(ffi::lua_touserdata(L, ffi::lua_upvalueindex(1))) };
Dec 07 16:33:14.284 INFO [stderr]     | |                        ^^^^^^ unnecessary `unsafe` block
Dec 07 16:33:14.284 INFO [stderr] ...   |
Dec 07 16:33:14.284 INFO [stderr] 106 | |     R::size()
Dec 07 16:33:14.284 INFO [stderr] 107 | | }
Dec 07 16:33:14.284 INFO [stderr]     | |_- because it's nested under this `unsafe` fn
Dec 07 16:33:14.284 INFO [stderr] 
Dec 07 16:33:14.287 INFO [stderr] warning: variable `L` should have a snake case name such as `l`
Dec 07 16:33:14.287 INFO [stderr]   --> src/function.rs:98:35
Dec 07 16:33:14.287 INFO [stderr]    |
Dec 07 16:33:14.287 INFO [stderr] 98 | unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
Dec 07 16:33:14.287 INFO [stderr]    |                                   ^
Dec 07 16:33:14.287 INFO [stderr]    |
Dec 07 16:33:14.287 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 07 16:33:14.288 INFO [stderr] 
Dec 07 16:33:14.288 INFO [stderr] warning: type `nil` should have a camel case name such as `Nil`
Dec 07 16:33:14.288 INFO [stderr]   --> src/lib.rs:40:1
Dec 07 16:33:14.288 INFO [stderr]    |
Dec 07 16:33:14.288 INFO [stderr] 40 | pub struct nil;
Dec 07 16:33:14.288 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 07 16:33:14.288 INFO [stderr]    |
Dec 07 16:33:14.288 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 07 16:33:14.292 INFO [stderr] 
Dec 07 16:33:14.696 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.97s
Dec 07 16:33:14.720 INFO [stderr] su: No module specific data is present
Dec 07 16:33:15.356 INFO running `"docker" "inspect" "051709314ec48a60cf18fd8781d34e53e01c24f4a1ad12fc405137a766dc4914"`
Dec 07 16:33:15.598 INFO running `"docker" "rm" "-f" "051709314ec48a60cf18fd8781d34e53e01c24f4a1ad12fc405137a766dc4914"`
Dec 07 16:33:15.896 INFO [stdout] 051709314ec48a60cf18fd8781d34e53e01c24f4a1ad12fc405137a766dc4914
Dec 07 16:33:15.896 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 07 16:33:16.356 INFO [stdout] e11f2a1d142afd2bec292911e9a334fb75b012c2b239b5fe6c17b6795ad13442
Dec 07 16:33:16.362 INFO running `"docker" "start" "-a" "e11f2a1d142afd2bec292911e9a334fb75b012c2b239b5fe6c17b6795ad13442"`
Dec 07 16:33:17.376 INFO [stderr] usermod: no changes
Dec 07 16:33:17.426 INFO [stderr]    Compiling flu v0.0.2 (/source)
Dec 07 16:33:17.908 INFO [stderr] warning: unused import: `LuaRef`
Dec 07 16:33:17.908 INFO [stderr]  --> src/stack/push.rs:3:5
Dec 07 16:33:17.908 INFO [stderr]   |
Dec 07 16:33:17.908 INFO [stderr] 3 | use LuaRef;
Dec 07 16:33:17.908 INFO [stderr]   |     ^^^^^^
Dec 07 16:33:17.908 INFO [stderr]   |
Dec 07 16:33:17.908 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 16:33:17.908 INFO [stderr] 
Dec 07 16:33:17.908 INFO [stderr] warning: unused import: `LuaValue`
Dec 07 16:33:17.908 INFO [stderr]  --> src/stack/read.rs:2:5
Dec 07 16:33:17.908 INFO [stderr]   |
Dec 07 16:33:17.908 INFO [stderr] 2 | use LuaValue;
Dec 07 16:33:17.908 INFO [stderr]   |     ^^^^^^^^
Dec 07 16:33:17.908 INFO [stderr] 
Dec 07 16:33:17.908 INFO [stderr] warning: unused import: `LuaRef`
Dec 07 16:33:17.908 INFO [stderr]  --> src/stack/read.rs:3:5
Dec 07 16:33:17.908 INFO [stderr]   |
Dec 07 16:33:17.908 INFO [stderr] 3 | use LuaRef;
Dec 07 16:33:17.908 INFO [stderr]   |     ^^^^^^
Dec 07 16:33:17.908 INFO [stderr] 
Dec 07 16:33:17.908 INFO [stderr] warning: unused import: `LuaValue`
Dec 07 16:33:17.908 INFO [stderr]  --> src/stack/size.rs:2:5
Dec 07 16:33:17.908 INFO [stderr]   |
Dec 07 16:33:17.908 INFO [stderr] 2 | use LuaValue;
Dec 07 16:33:17.909 INFO [stderr]   |     ^^^^^^^^
Dec 07 16:33:17.909 INFO [stderr] 
Dec 07 16:33:17.909 INFO [stderr] warning: unused import: `LuaRef`
Dec 07 16:33:17.909 INFO [stderr]  --> src/stack/size.rs:3:5
Dec 07 16:33:17.909 INFO [stderr]   |
Dec 07 16:33:17.909 INFO [stderr] 3 | use LuaRef;
Dec 07 16:33:17.909 INFO [stderr]   |     ^^^^^^
Dec 07 16:33:17.909 INFO [stderr] 
Dec 07 16:33:17.909 INFO [stderr] warning: unused import: `std::mem`
Dec 07 16:33:17.909 INFO [stderr]   --> src/collections/table.rs:14:5
Dec 07 16:33:17.909 INFO [stderr]    |
Dec 07 16:33:17.909 INFO [stderr] 14 | use std::mem;
Dec 07 16:33:17.909 INFO [stderr]    |     ^^^^^^^^
Dec 07 16:33:17.909 INFO [stderr] 
Dec 07 16:33:17.909 INFO [stderr] warning: unused import: `nil`
Dec 07 16:33:17.909 INFO [stderr]  --> src/function.rs:5:5
Dec 07 16:33:17.909 INFO [stderr]   |
Dec 07 16:33:17.909 INFO [stderr] 5 | use nil;
Dec 07 16:33:17.909 INFO [stderr]   |     ^^^
Dec 07 16:33:17.909 INFO [stderr] 
Dec 07 16:33:18.210 INFO [stderr] warning: unused variable: `cxt`
Dec 07 16:33:18.210 INFO [stderr]   --> src/value.rs:43:14
Dec 07 16:33:18.210 INFO [stderr]    |
Dec 07 16:33:18.210 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 07 16:33:18.210 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Dec 07 16:33:18.210 INFO [stderr]    |
Dec 07 16:33:18.210 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 16:33:18.210 INFO [stderr] 
Dec 07 16:33:18.210 INFO [stderr] warning: unused variable: `idx`
Dec 07 16:33:18.210 INFO [stderr]   --> src/value.rs:43:32
Dec 07 16:33:18.210 INFO [stderr]    |
Dec 07 16:33:18.210 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 07 16:33:18.210 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Dec 07 16:33:18.210 INFO [stderr] 
Dec 07 16:33:18.210 INFO [stderr] warning: unused variable: `cxt`
Dec 07 16:33:18.210 INFO [stderr]   --> src/borrow.rs:52:14
Dec 07 16:33:18.210 INFO [stderr]    |
Dec 07 16:33:18.210 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 07 16:33:18.210 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Dec 07 16:33:18.210 INFO [stderr] 
Dec 07 16:33:18.210 INFO [stderr] warning: unused variable: `idx`
Dec 07 16:33:18.210 INFO [stderr]   --> src/borrow.rs:52:32
Dec 07 16:33:18.210 INFO [stderr]    |
Dec 07 16:33:18.210 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Dec 07 16:33:18.210 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Dec 07 16:33:18.210 INFO [stderr] 
Dec 07 16:33:18.320 INFO [stderr] warning: variable does not need to be mutable
Dec 07 16:33:18.328 INFO [stderr]    --> src/function.rs:150:9
Dec 07 16:33:18.328 INFO [stderr]     |
Dec 07 16:33:18.328 INFO [stderr] 150 |     let mut cxt = Context::new();
Dec 07 16:33:18.328 INFO [stderr]     |         ----^^^
Dec 07 16:33:18.328 INFO [stderr]     |         |
Dec 07 16:33:18.328 INFO [stderr]     |         help: remove this `mut`
Dec 07 16:33:18.328 INFO [stderr]     |
Dec 07 16:33:18.328 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 16:33:18.328 INFO [stderr] 
Dec 07 16:33:18.328 INFO [stderr] warning: unnecessary `unsafe` block
Dec 07 16:33:18.328 INFO [stderr]   --> src/function.rs:48:9
Dec 07 16:33:18.328 INFO [stderr]    |
Dec 07 16:33:18.328 INFO [stderr] 48 |         unsafe {
Dec 07 16:33:18.328 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Dec 07 16:33:18.328 INFO [stderr]    |
Dec 07 16:33:18.328 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 07 16:33:18.328 INFO [stderr] 
Dec 07 16:33:18.328 INFO [stderr] warning: unnecessary `unsafe` block
Dec 07 16:33:18.328 INFO [stderr]    --> src/function.rs:101:24
Dec 07 16:33:18.328 INFO [stderr]     |
Dec 07 16:33:18.328 INFO [stderr] 98  | / unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
Dec 07 16:33:18.328 INFO [stderr] 99  | |         where P: Push, R: for<'a> Read<'a> + Size, F: Fn(R) -> P {
Dec 07 16:33:18.328 INFO [stderr] 100 | |     let cxt = Context::from_state_weak(L);
Dec 07 16:33:18.328 INFO [stderr] 101 | |     let func: &mut F = unsafe { mem::transmute(ffi::lua_touserdata(L, ffi::lua_upvalueindex(1))) };
Dec 07 16:33:18.328 INFO [stderr]     | |                        ^^^^^^ unnecessary `unsafe` block
Dec 07 16:33:18.328 INFO [stderr] ...   |
Dec 07 16:33:18.328 INFO [stderr] 106 | |     R::size()
Dec 07 16:33:18.328 INFO [stderr] 107 | | }
Dec 07 16:33:18.328 INFO [stderr]     | |_- because it's nested under this `unsafe` fn
Dec 07 16:33:18.328 INFO [stderr] 
Dec 07 16:33:18.336 INFO [stderr] warning: variable `L` should have a snake case name such as `l`
Dec 07 16:33:18.336 INFO [stderr]   --> src/function.rs:98:35
Dec 07 16:33:18.336 INFO [stderr]    |
Dec 07 16:33:18.336 INFO [stderr] 98 | unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
Dec 07 16:33:18.336 INFO [stderr]    |                                   ^
Dec 07 16:33:18.336 INFO [stderr]    |
Dec 07 16:33:18.336 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 07 16:33:18.336 INFO [stderr] 
Dec 07 16:33:18.336 INFO [stderr] warning: type `nil` should have a camel case name such as `Nil`
Dec 07 16:33:18.336 INFO [stderr]   --> src/lib.rs:40:1
Dec 07 16:33:18.336 INFO [stderr]    |
Dec 07 16:33:18.336 INFO [stderr] 40 | pub struct nil;
Dec 07 16:33:18.336 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 07 16:33:18.336 INFO [stderr]    |
Dec 07 16:33:18.336 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 07 16:33:18.336 INFO [stderr] 
Dec 07 16:33:19.588 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
Dec 07 16:33:19.601 INFO [stderr] su: No module specific data is present
Dec 07 16:33:20.294 INFO running `"docker" "inspect" "e11f2a1d142afd2bec292911e9a334fb75b012c2b239b5fe6c17b6795ad13442"`
Dec 07 16:33:20.654 INFO running `"docker" "rm" "-f" "e11f2a1d142afd2bec292911e9a334fb75b012c2b239b5fe6c17b6795ad13442"`
Dec 07 16:33:20.976 INFO [stdout] e11f2a1d142afd2bec292911e9a334fb75b012c2b239b5fe6c17b6795ad13442
Dec 07 16:33:20.988 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 07 16:33:21.469 INFO [stdout] b6f1d488a54eaed549a2e7b5d7eb38048f317f70ad5034b4de95e77b201177bc
Dec 07 16:33:21.476 INFO running `"docker" "start" "-a" "b6f1d488a54eaed549a2e7b5d7eb38048f317f70ad5034b4de95e77b201177bc"`
Dec 07 16:33:22.704 INFO [stderr] usermod: no changes
Dec 07 16:33:22.779 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 07 16:33:22.800 INFO [stderr]      Running /target/debug/deps/flu-57bc14907314f67e
Dec 07 16:33:22.800 INFO [stdout] 
Dec 07 16:33:22.800 INFO [stdout] running 17 tests
Dec 07 16:33:22.817 INFO [stdout] test context::get_globals ... ok
Dec 07 16:33:22.820 INFO [stdout] test collections::table::len ... ok
Dec 07 16:33:22.820 INFO [stdout] test collections::table::access ... ok
Dec 07 16:33:22.821 INFO [stdout] test collections::table::from_vec ... ok
Dec 07 16:33:22.821 INFO [stdout] test collections::table::iter ... ok
Dec 07 16:33:22.821 INFO [stdout] test collections::table::from_map ... ok
Dec 07 16:33:22.821 INFO [stdout] test borrow::read_ref ... ok
Dec 07 16:33:22.821 INFO [stdout] test context::stack_size ... ok
Dec 07 16:33:22.821 INFO [stdout] test function::simple ... ok
Dec 07 16:33:22.824 INFO [stdout] test function::multiple_args ... ok
Dec 07 16:33:22.825 INFO [stdout] test stack::read::read_int ... ok
Dec 07 16:33:22.825 INFO [stdout] test function::rust_fn ... ok
Dec 07 16:33:22.825 INFO [stdout] test function::custom_types ... ok
Dec 07 16:33:22.825 INFO [stdout] test stack::read::read_num ... ok
Dec 07 16:33:22.825 INFO [stdout] test stack::read::read_optional ... ok
Dec 07 16:33:22.828 INFO [stdout] test stack::read::read_string ... ok
Dec 07 16:33:22.830 INFO [stdout] test value::read_value ... ok
Dec 07 16:33:22.830 INFO [stdout] 
Dec 07 16:33:22.830 INFO [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 16:33:22.830 INFO [stdout] 
Dec 07 16:33:22.836 INFO [stderr]    Doc-tests flu
Dec 07 16:33:23.624 INFO [stdout] 
Dec 07 16:33:23.624 INFO [stdout] running 0 tests
Dec 07 16:33:23.624 INFO [stdout] 
Dec 07 16:33:23.624 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 16:33:23.624 INFO [stdout] 
Dec 07 16:33:23.632 INFO [stderr] su: No module specific data is present
Dec 07 16:33:24.084 INFO running `"docker" "inspect" "b6f1d488a54eaed549a2e7b5d7eb38048f317f70ad5034b4de95e77b201177bc"`
Dec 07 16:33:24.410 INFO running `"docker" "rm" "-f" "b6f1d488a54eaed549a2e7b5d7eb38048f317f70ad5034b4de95e77b201177bc"`
Dec 07 16:33:24.627 INFO [stdout] b6f1d488a54eaed549a2e7b5d7eb38048f317f70ad5034b4de95e77b201177bc