Nov 17 02:54:42.361 INFO testing fkaa/flu against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 02:54:42.361 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 17 02:54:42.880 INFO [stdout] 839a955ac74116d653817aa3961c4cb224027f5109f450a31c10e7bf5629ced8
Nov 17 02:54:42.882 INFO running `"docker" "start" "-a" "839a955ac74116d653817aa3961c4cb224027f5109f450a31c10e7bf5629ced8"`
Nov 17 02:54:44.547 INFO [stderr] usermod: no changes
Nov 17 02:54:44.635 INFO [stderr]    Compiling gcc v0.3.11
Nov 17 02:54:44.643 INFO [stderr]    Compiling pkg-config v0.3.5
Nov 17 02:54:44.647 INFO [stderr]    Compiling libc v0.2.8
Nov 17 02:54:47.799 INFO [stderr]    Compiling flu v0.0.2 (/source)
Nov 17 02:54:52.767 INFO [stderr] warning: unused macro definition
Nov 17 02:54:52.767 INFO [stderr]   --> src/lib.rs:5:1
Nov 17 02:54:52.767 INFO [stderr]    |
Nov 17 02:54:52.767 INFO [stderr] 5  | / macro_rules! assert_enum {
Nov 17 02:54:52.767 INFO [stderr] 6  | |     (@as_expr $e:expr) => {$e};
Nov 17 02:54:52.767 INFO [stderr] 7  | |     (@as_pat $p:pat) => {$p};
Nov 17 02:54:52.767 INFO [stderr] 8  | |     ($left:expr, $($right:tt)*) => (
Nov 17 02:54:52.767 INFO [stderr] ...  |
Nov 17 02:54:52.767 INFO [stderr] 21 | |     )
Nov 17 02:54:52.767 INFO [stderr] 22 | | }
Nov 17 02:54:52.767 INFO [stderr]    | |_^
Nov 17 02:54:52.767 INFO [stderr]    |
Nov 17 02:54:52.767 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 17 02:54:52.767 INFO [stderr] 
Nov 17 02:54:52.767 INFO [stderr] warning: unused import: `LuaRef`
Nov 17 02:54:52.767 INFO [stderr]  --> src/stack/push.rs:3:5
Nov 17 02:54:52.767 INFO [stderr]   |
Nov 17 02:54:52.767 INFO [stderr] 3 | use LuaRef;
Nov 17 02:54:52.767 INFO [stderr]   |     ^^^^^^
Nov 17 02:54:52.767 INFO [stderr]   |
Nov 17 02:54:52.767 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 02:54:52.767 INFO [stderr] 
Nov 17 02:54:52.767 INFO [stderr] warning: unused import: `LuaValue`
Nov 17 02:54:52.768 INFO [stderr]  --> src/stack/read.rs:2:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 2 | use LuaValue;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^^^^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `LuaRef`
Nov 17 02:54:52.768 INFO [stderr]  --> src/stack/read.rs:3:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 3 | use LuaRef;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `nil`
Nov 17 02:54:52.768 INFO [stderr]  --> src/stack/read.rs:5:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 5 | use nil;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `LuaValue`
Nov 17 02:54:52.768 INFO [stderr]  --> src/stack/size.rs:2:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 2 | use LuaValue;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^^^^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `LuaRef`
Nov 17 02:54:52.768 INFO [stderr]  --> src/stack/size.rs:3:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 3 | use LuaRef;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `nil`
Nov 17 02:54:52.768 INFO [stderr]  --> src/collections/table.rs:5:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 5 | use nil;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `std::mem`
Nov 17 02:54:52.768 INFO [stderr]   --> src/collections/table.rs:14:5
Nov 17 02:54:52.768 INFO [stderr]    |
Nov 17 02:54:52.768 INFO [stderr] 14 | use std::mem;
Nov 17 02:54:52.768 INFO [stderr]    |     ^^^^^^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `LuaValue`
Nov 17 02:54:52.768 INFO [stderr]  --> src/context.rs:2:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 2 | use LuaValue;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^^^^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `Table`
Nov 17 02:54:52.768 INFO [stderr]  --> src/context.rs:3:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 3 | use Table;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `nil`
Nov 17 02:54:52.768 INFO [stderr]  --> src/value.rs:6:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 6 | use nil;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `Table`
Nov 17 02:54:52.768 INFO [stderr]  --> src/function.rs:3:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 3 | use Table;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `nil`
Nov 17 02:54:52.768 INFO [stderr]  --> src/function.rs:5:5
Nov 17 02:54:52.768 INFO [stderr]   |
Nov 17 02:54:52.768 INFO [stderr] 5 | use nil;
Nov 17 02:54:52.768 INFO [stderr]   |     ^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:52.768 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Nov 17 02:54:52.768 INFO [stderr]   --> src/function.rs:15:5
Nov 17 02:54:52.768 INFO [stderr]    |
Nov 17 02:54:52.768 INFO [stderr] 15 | use std::marker::PhantomData;
Nov 17 02:54:52.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:54:52.768 INFO [stderr] 
Nov 17 02:54:53.047 INFO [stderr] warning: unused variable: `cxt`
Nov 17 02:54:53.047 INFO [stderr]   --> src/value.rs:43:14
Nov 17 02:54:53.047 INFO [stderr]    |
Nov 17 02:54:53.047 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 17 02:54:53.047 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Nov 17 02:54:53.047 INFO [stderr]    |
Nov 17 02:54:53.047 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 02:54:53.047 INFO [stderr] 
Nov 17 02:54:53.047 INFO [stderr] warning: unused variable: `idx`
Nov 17 02:54:53.047 INFO [stderr]   --> src/value.rs:43:32
Nov 17 02:54:53.047 INFO [stderr]    |
Nov 17 02:54:53.047 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 17 02:54:53.047 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Nov 17 02:54:53.047 INFO [stderr] 
Nov 17 02:54:53.047 INFO [stderr] warning: unused variable: `cxt`
Nov 17 02:54:53.047 INFO [stderr]   --> src/borrow.rs:52:14
Nov 17 02:54:53.047 INFO [stderr]    |
Nov 17 02:54:53.047 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 17 02:54:53.047 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Nov 17 02:54:53.047 INFO [stderr] 
Nov 17 02:54:53.047 INFO [stderr] warning: unused variable: `idx`
Nov 17 02:54:53.047 INFO [stderr]   --> src/borrow.rs:52:32
Nov 17 02:54:53.047 INFO [stderr]    |
Nov 17 02:54:53.047 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 17 02:54:53.047 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Nov 17 02:54:53.047 INFO [stderr] 
Nov 17 02:54:53.122 INFO [stderr] warning: unnecessary `unsafe` block
Nov 17 02:54:53.122 INFO [stderr]   --> src/collections/index.rs:31:48
Nov 17 02:54:53.122 INFO [stderr]    |
Nov 17 02:54:53.122 INFO [stderr] 30 |         unsafe {
Nov 17 02:54:53.122 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Nov 17 02:54:53.122 INFO [stderr] 31 |             ffi::lua_getfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
Nov 17 02:54:53.122 INFO [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
Nov 17 02:54:53.122 INFO [stderr]    |
Nov 17 02:54:53.123 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 17 02:54:53.123 INFO [stderr] 
Nov 17 02:54:53.123 INFO [stderr] warning: unnecessary `unsafe` block
Nov 17 02:54:53.123 INFO [stderr]   --> src/collections/index.rs:37:48
Nov 17 02:54:53.124 INFO [stderr]    |
Nov 17 02:54:53.124 INFO [stderr] 36 |         unsafe {
Nov 17 02:54:53.124 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Nov 17 02:54:53.124 INFO [stderr] 37 |             ffi::lua_setfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
Nov 17 02:54:53.125 INFO [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
Nov 17 02:54:53.125 INFO [stderr] 
Nov 17 02:54:53.125 INFO [stderr] warning: unnecessary `unsafe` block
Nov 17 02:54:53.125 INFO [stderr]   --> src/context.rs:67:67
Nov 17 02:54:53.126 INFO [stderr]    |
Nov 17 02:54:53.126 INFO [stderr] 66 |         unsafe {
Nov 17 02:54:53.126 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Nov 17 02:54:53.126 INFO [stderr] 67 |             ffi::lua_getfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
Nov 17 02:54:53.127 INFO [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
Nov 17 02:54:53.127 INFO [stderr] 
Nov 17 02:54:53.127 INFO [stderr] warning: unnecessary `unsafe` block
Nov 17 02:54:53.128 INFO [stderr]   --> src/context.rs:79:67
Nov 17 02:54:53.128 INFO [stderr]    |
Nov 17 02:54:53.128 INFO [stderr] 78 |         unsafe {
Nov 17 02:54:53.128 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Nov 17 02:54:53.129 INFO [stderr] 79 |             ffi::lua_setfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
Nov 17 02:54:53.129 INFO [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
Nov 17 02:54:53.129 INFO [stderr] 
Nov 17 02:54:53.129 INFO [stderr] warning: unnecessary `unsafe` block
Nov 17 02:54:53.130 INFO [stderr]   --> src/function.rs:48:9
Nov 17 02:54:53.130 INFO [stderr]    |
Nov 17 02:54:53.130 INFO [stderr] 48 |         unsafe {
Nov 17 02:54:53.131 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Nov 17 02:54:53.131 INFO [stderr] 
Nov 17 02:54:53.139 INFO [stderr] warning: variable `L` should have a snake case name such as `l`
Nov 17 02:54:53.139 INFO [stderr]   --> src/function.rs:84:36
Nov 17 02:54:53.139 INFO [stderr]    |
Nov 17 02:54:53.139 INFO [stderr] 84 | unsafe extern "C" fn fn_wrapper<F>(L: *mut ffi::lua_State) -> libc::c_int
Nov 17 02:54:53.140 INFO [stderr]    |                                    ^
Nov 17 02:54:53.140 INFO [stderr]    |
Nov 17 02:54:53.140 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 17 02:54:53.140 INFO [stderr] 
Nov 17 02:54:53.141 INFO [stderr] warning: type `nil` should have a camel case name such as `Nil`
Nov 17 02:54:53.141 INFO [stderr]   --> src/lib.rs:40:1
Nov 17 02:54:53.141 INFO [stderr]    |
Nov 17 02:54:53.142 INFO [stderr] 40 | pub struct nil;
Nov 17 02:54:53.142 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 17 02:54:53.142 INFO [stderr]    |
Nov 17 02:54:53.143 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 17 02:54:53.143 INFO [stderr] 
Nov 17 02:54:53.624 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.04s
Nov 17 02:54:53.628 INFO [stderr] su: No module specific data is present
Nov 17 02:54:55.375 INFO running `"docker" "inspect" "839a955ac74116d653817aa3961c4cb224027f5109f450a31c10e7bf5629ced8"`
Nov 17 02:54:55.751 INFO running `"docker" "rm" "-f" "839a955ac74116d653817aa3961c4cb224027f5109f450a31c10e7bf5629ced8"`
Nov 17 02:54:56.091 INFO [stdout] 839a955ac74116d653817aa3961c4cb224027f5109f450a31c10e7bf5629ced8
Nov 17 02:54:56.101 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 17 02:54:56.507 INFO [stdout] 787233ebccf78bac58892cc12a054d33f9596104c2fc0b9e0bc7f5abaca24c2f
Nov 17 02:54:56.513 INFO running `"docker" "start" "-a" "787233ebccf78bac58892cc12a054d33f9596104c2fc0b9e0bc7f5abaca24c2f"`
Nov 17 02:54:58.791 INFO [stderr] usermod: no changes
Nov 17 02:54:58.872 INFO [stderr]    Compiling flu v0.0.2 (/source)
Nov 17 02:54:59.864 INFO [stderr] warning: unused macro definition
Nov 17 02:54:59.865 INFO [stderr]   --> src/lib.rs:5:1
Nov 17 02:54:59.866 INFO [stderr]    |
Nov 17 02:54:59.866 INFO [stderr] 5  | / macro_rules! assert_enum {
Nov 17 02:54:59.867 INFO [stderr] 6  | |     (@as_expr $e:expr) => {$e};
Nov 17 02:54:59.867 INFO [stderr] 7  | |     (@as_pat $p:pat) => {$p};
Nov 17 02:54:59.868 INFO [stderr] 8  | |     ($left:expr, $($right:tt)*) => (
Nov 17 02:54:59.869 INFO [stderr] ...  |
Nov 17 02:54:59.869 INFO [stderr] 21 | |     )
Nov 17 02:54:59.870 INFO [stderr] 22 | | }
Nov 17 02:54:59.870 INFO [stderr]    | |_^
Nov 17 02:54:59.871 INFO [stderr]    |
Nov 17 02:54:59.871 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 17 02:54:59.872 INFO [stderr] 
Nov 17 02:54:59.873 INFO [stderr] warning: unused import: `LuaRef`
Nov 17 02:54:59.873 INFO [stderr]  --> src/stack/push.rs:3:5
Nov 17 02:54:59.873 INFO [stderr]   |
Nov 17 02:54:59.873 INFO [stderr] 3 | use LuaRef;
Nov 17 02:54:59.873 INFO [stderr]   |     ^^^^^^
Nov 17 02:54:59.873 INFO [stderr]   |
Nov 17 02:54:59.873 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 02:54:59.873 INFO [stderr] 
Nov 17 02:54:59.873 INFO [stderr] warning: unused import: `LuaValue`
Nov 17 02:54:59.873 INFO [stderr]  --> src/stack/read.rs:2:5
Nov 17 02:54:59.873 INFO [stderr]   |
Nov 17 02:54:59.873 INFO [stderr] 2 | use LuaValue;
Nov 17 02:54:59.873 INFO [stderr]   |     ^^^^^^^^
Nov 17 02:54:59.873 INFO [stderr] 
Nov 17 02:54:59.873 INFO [stderr] warning: unused import: `LuaRef`
Nov 17 02:54:59.873 INFO [stderr]  --> src/stack/read.rs:3:5
Nov 17 02:54:59.873 INFO [stderr]   |
Nov 17 02:54:59.873 INFO [stderr] 3 | use LuaRef;
Nov 17 02:54:59.873 INFO [stderr]   |     ^^^^^^
Nov 17 02:54:59.873 INFO [stderr] 
Nov 17 02:54:59.873 INFO [stderr] warning: unused import: `LuaValue`
Nov 17 02:54:59.873 INFO [stderr]  --> src/stack/size.rs:2:5
Nov 17 02:54:59.873 INFO [stderr]   |
Nov 17 02:54:59.873 INFO [stderr] 2 | use LuaValue;
Nov 17 02:54:59.873 INFO [stderr]   |     ^^^^^^^^
Nov 17 02:54:59.873 INFO [stderr] 
Nov 17 02:54:59.873 INFO [stderr] warning: unused import: `LuaRef`
Nov 17 02:54:59.873 INFO [stderr]  --> src/stack/size.rs:3:5
Nov 17 02:54:59.873 INFO [stderr]   |
Nov 17 02:54:59.873 INFO [stderr] 3 | use LuaRef;
Nov 17 02:54:59.873 INFO [stderr]   |     ^^^^^^
Nov 17 02:54:59.873 INFO [stderr] 
Nov 17 02:54:59.873 INFO [stderr] warning: unused import: `std::mem`
Nov 17 02:54:59.873 INFO [stderr]   --> src/collections/table.rs:14:5
Nov 17 02:54:59.873 INFO [stderr]    |
Nov 17 02:54:59.873 INFO [stderr] 14 | use std::mem;
Nov 17 02:54:59.873 INFO [stderr]    |     ^^^^^^^^
Nov 17 02:54:59.873 INFO [stderr] 
Nov 17 02:54:59.873 INFO [stderr] warning: unused import: `LuaValue`
Nov 17 02:54:59.873 INFO [stderr]  --> src/context.rs:2:5
Nov 17 02:54:59.873 INFO [stderr]   |
Nov 17 02:54:59.873 INFO [stderr] 2 | use LuaValue;
Nov 17 02:54:59.873 INFO [stderr]   |     ^^^^^^^^
Nov 17 02:54:59.873 INFO [stderr] 
Nov 17 02:54:59.873 INFO [stderr] warning: unused import: `Table`
Nov 17 02:54:59.873 INFO [stderr]  --> src/context.rs:3:5
Nov 17 02:54:59.873 INFO [stderr]   |
Nov 17 02:54:59.873 INFO [stderr] 3 | use Table;
Nov 17 02:54:59.873 INFO [stderr]   |     ^^^^^
Nov 17 02:54:59.873 INFO [stderr] 
Nov 17 02:54:59.873 INFO [stderr] warning: unused import: `nil`
Nov 17 02:54:59.873 INFO [stderr]  --> src/function.rs:5:5
Nov 17 02:54:59.873 INFO [stderr]   |
Nov 17 02:54:59.873 INFO [stderr] 5 | use nil;
Nov 17 02:54:59.873 INFO [stderr]   |     ^^^
Nov 17 02:54:59.873 INFO [stderr] 
Nov 17 02:54:59.873 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Nov 17 02:54:59.873 INFO [stderr]   --> src/function.rs:15:5
Nov 17 02:54:59.874 INFO [stderr]    |
Nov 17 02:54:59.874 INFO [stderr] 15 | use std::marker::PhantomData;
Nov 17 02:54:59.874 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:54:59.874 INFO [stderr] 
Nov 17 02:55:00.263 INFO [stderr] warning: unused variable: `cxt`
Nov 17 02:55:00.263 INFO [stderr]   --> src/value.rs:43:14
Nov 17 02:55:00.263 INFO [stderr]    |
Nov 17 02:55:00.263 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 17 02:55:00.263 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Nov 17 02:55:00.263 INFO [stderr]    |
Nov 17 02:55:00.263 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 02:55:00.263 INFO [stderr] 
Nov 17 02:55:00.263 INFO [stderr] warning: unused variable: `idx`
Nov 17 02:55:00.263 INFO [stderr]   --> src/value.rs:43:32
Nov 17 02:55:00.263 INFO [stderr]    |
Nov 17 02:55:00.263 INFO [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 17 02:55:00.263 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Nov 17 02:55:00.263 INFO [stderr] 
Nov 17 02:55:00.263 INFO [stderr] warning: unused variable: `cxt`
Nov 17 02:55:00.263 INFO [stderr]   --> src/borrow.rs:52:14
Nov 17 02:55:00.263 INFO [stderr]    |
Nov 17 02:55:00.263 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 17 02:55:00.263 INFO [stderr]    |              ^^^ help: consider using `_cxt` instead
Nov 17 02:55:00.263 INFO [stderr] 
Nov 17 02:55:00.263 INFO [stderr] warning: unused variable: `idx`
Nov 17 02:55:00.263 INFO [stderr]   --> src/borrow.rs:52:32
Nov 17 02:55:00.263 INFO [stderr]    |
Nov 17 02:55:00.263 INFO [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
Nov 17 02:55:00.263 INFO [stderr]    |                                ^^^ help: consider using `_idx` instead
Nov 17 02:55:00.263 INFO [stderr] 
Nov 17 02:55:00.403 INFO [stderr] warning: variable does not need to be mutable
Nov 17 02:55:00.403 INFO [stderr]   --> src/function.rs:94:9
Nov 17 02:55:00.403 INFO [stderr]    |
Nov 17 02:55:00.403 INFO [stderr] 94 |     let mut cxt = Context::new();
Nov 17 02:55:00.403 INFO [stderr]    |         ----^^^
Nov 17 02:55:00.403 INFO [stderr]    |         |
Nov 17 02:55:00.403 INFO [stderr]    |         help: remove this `mut`
Nov 17 02:55:00.403 INFO [stderr]    |
Nov 17 02:55:00.403 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 02:55:00.403 INFO [stderr] 
Nov 17 02:55:00.412 INFO [stderr] warning: variable does not need to be mutable
Nov 17 02:55:00.412 INFO [stderr]    --> src/function.rs:106:9
Nov 17 02:55:00.412 INFO [stderr]     |
Nov 17 02:55:00.412 INFO [stderr] 106 |     let mut cxt = Context::new();
Nov 17 02:55:00.412 INFO [stderr]     |         ----^^^
Nov 17 02:55:00.412 INFO [stderr]     |         |
Nov 17 02:55:00.412 INFO [stderr]     |         help: remove this `mut`
Nov 17 02:55:00.412 INFO [stderr] 
Nov 17 02:55:00.412 INFO [stderr] warning: variable does not need to be mutable
Nov 17 02:55:00.412 INFO [stderr]    --> src/function.rs:120:9
Nov 17 02:55:00.412 INFO [stderr]     |
Nov 17 02:55:00.412 INFO [stderr] 120 |     let mut cxt = Context::new();
Nov 17 02:55:00.412 INFO [stderr]     |         ----^^^
Nov 17 02:55:00.412 INFO [stderr]     |         |
Nov 17 02:55:00.412 INFO [stderr]     |         help: remove this `mut`
Nov 17 02:55:00.412 INFO [stderr] 
Nov 17 02:55:00.412 INFO [stderr] warning: unnecessary `unsafe` block
Nov 17 02:55:00.412 INFO [stderr]   --> src/collections/index.rs:31:48
Nov 17 02:55:00.412 INFO [stderr]    |
Nov 17 02:55:00.412 INFO [stderr] 30 |         unsafe {
Nov 17 02:55:00.412 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Nov 17 02:55:00.412 INFO [stderr] 31 |             ffi::lua_getfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
Nov 17 02:55:00.412 INFO [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
Nov 17 02:55:00.412 INFO [stderr]    |
Nov 17 02:55:00.412 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 17 02:55:00.412 INFO [stderr] 
Nov 17 02:55:00.412 INFO [stderr] warning: unnecessary `unsafe` block
Nov 17 02:55:00.412 INFO [stderr]   --> src/collections/index.rs:37:48
Nov 17 02:55:00.412 INFO [stderr]    |
Nov 17 02:55:00.412 INFO [stderr] 36 |         unsafe {
Nov 17 02:55:00.412 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Nov 17 02:55:00.412 INFO [stderr] 37 |             ffi::lua_setfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
Nov 17 02:55:00.412 INFO [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
Nov 17 02:55:00.412 INFO [stderr] 
Nov 17 02:55:00.412 INFO [stderr] warning: unnecessary `unsafe` block
Nov 17 02:55:00.413 INFO [stderr]   --> src/context.rs:67:67
Nov 17 02:55:00.413 INFO [stderr]    |
Nov 17 02:55:00.413 INFO [stderr] 66 |         unsafe {
Nov 17 02:55:00.413 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Nov 17 02:55:00.413 INFO [stderr] 67 |             ffi::lua_getfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
Nov 17 02:55:00.413 INFO [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
Nov 17 02:55:00.413 INFO [stderr] 
Nov 17 02:55:00.413 INFO [stderr] warning: unnecessary `unsafe` block
Nov 17 02:55:00.413 INFO [stderr]   --> src/context.rs:79:67
Nov 17 02:55:00.413 INFO [stderr]    |
Nov 17 02:55:00.413 INFO [stderr] 78 |         unsafe {
Nov 17 02:55:00.413 INFO [stderr]    |         ------ because it's nested under this `unsafe` block
Nov 17 02:55:00.413 INFO [stderr] 79 |             ffi::lua_setfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
Nov 17 02:55:00.413 INFO [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
Nov 17 02:55:00.413 INFO [stderr] 
Nov 17 02:55:00.413 INFO [stderr] warning: unnecessary `unsafe` block
Nov 17 02:55:00.413 INFO [stderr]   --> src/function.rs:48:9
Nov 17 02:55:00.413 INFO [stderr]    |
Nov 17 02:55:00.413 INFO [stderr] 48 |         unsafe {
Nov 17 02:55:00.413 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Nov 17 02:55:00.413 INFO [stderr] 
Nov 17 02:55:00.439 INFO [stderr] warning: variable `L` should have a snake case name such as `l`
Nov 17 02:55:00.439 INFO [stderr]   --> src/function.rs:84:36
Nov 17 02:55:00.439 INFO [stderr]    |
Nov 17 02:55:00.439 INFO [stderr] 84 | unsafe extern "C" fn fn_wrapper<F>(L: *mut ffi::lua_State) -> libc::c_int
Nov 17 02:55:00.439 INFO [stderr]    |                                    ^
Nov 17 02:55:00.439 INFO [stderr]    |
Nov 17 02:55:00.439 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 17 02:55:00.439 INFO [stderr] 
Nov 17 02:55:00.439 INFO [stderr] warning: type `nil` should have a camel case name such as `Nil`
Nov 17 02:55:00.439 INFO [stderr]   --> src/lib.rs:40:1
Nov 17 02:55:00.439 INFO [stderr]    |
Nov 17 02:55:00.439 INFO [stderr] 40 | pub struct nil;
Nov 17 02:55:00.439 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 17 02:55:00.439 INFO [stderr]    |
Nov 17 02:55:00.439 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 17 02:55:00.439 INFO [stderr] 
Nov 17 02:55:02.157 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
Nov 17 02:55:02.162 INFO [stderr] su: No module specific data is present
Nov 17 02:55:03.840 INFO running `"docker" "inspect" "787233ebccf78bac58892cc12a054d33f9596104c2fc0b9e0bc7f5abaca24c2f"`
Nov 17 02:55:04.195 INFO running `"docker" "rm" "-f" "787233ebccf78bac58892cc12a054d33f9596104c2fc0b9e0bc7f5abaca24c2f"`
Nov 17 02:55:04.519 INFO [stdout] 787233ebccf78bac58892cc12a054d33f9596104c2fc0b9e0bc7f5abaca24c2f
Nov 17 02:55:04.524 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 17 02:55:05.048 INFO [stdout] 4ec16a5a23c7570b9691ef1e24a799669fc55e6085879ea1538cb22b6ff74652
Nov 17 02:55:05.050 INFO running `"docker" "start" "-a" "4ec16a5a23c7570b9691ef1e24a799669fc55e6085879ea1538cb22b6ff74652"`
Nov 17 02:55:06.402 INFO [stderr] usermod: no changes
Nov 17 02:55:06.495 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Nov 17 02:55:06.495 INFO [stderr]      Running /target/debug/deps/flu-b843693bab1fe412
Nov 17 02:55:06.527 INFO [stdout] 
Nov 17 02:55:06.527 INFO [stdout] running 16 tests
Nov 17 02:55:06.527 INFO [stdout] test borrow::read_ref ... ok
Nov 17 02:55:06.527 INFO [stdout] test collections::table::from_vec ... ok
Nov 17 02:55:06.527 INFO [stdout] test collections::table::from_map ... ok
Nov 17 02:55:06.527 INFO [stdout] test function::rust_fn ... ok
Nov 17 02:55:06.527 INFO [stdout] test collections::table::iter ... ok
Nov 17 02:55:06.527 INFO [stdout] test collections::table::access ... ok
Nov 17 02:55:06.527 INFO [stdout] test function::rust_fn_2 ... ok
Nov 17 02:55:06.527 INFO [stdout] test stack::read::read_optional ... ok
Nov 17 02:55:06.527 INFO [stdout] test stack::read::read_num ... ok
Nov 17 02:55:06.527 INFO [stdout] test stack::read::read_int ... ok
Nov 17 02:55:06.527 INFO [stdout] test collections::table::len ... ok
Nov 17 02:55:06.527 INFO [stdout] test context::get_globals ... ok
Nov 17 02:55:06.531 INFO [stdout] test context::stack_size ... ok
Nov 17 02:55:06.531 INFO [stderr]    Doc-tests flu
Nov 17 02:55:06.531 INFO [stdout] test stack::read::read_string ... ok
Nov 17 02:55:06.531 INFO [stdout] test function::simple ... ok
Nov 17 02:55:06.531 INFO [stdout] test value::read_value ... ok
Nov 17 02:55:06.531 INFO [stdout] 
Nov 17 02:55:06.531 INFO [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 02:55:06.531 INFO [stdout] 
Nov 17 02:55:07.047 INFO [stdout] 
Nov 17 02:55:07.047 INFO [stdout] running 0 tests
Nov 17 02:55:07.047 INFO [stdout] 
Nov 17 02:55:07.047 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 02:55:07.047 INFO [stdout] 
Nov 17 02:55:07.053 INFO [stderr] su: No module specific data is present
Nov 17 02:55:08.335 INFO running `"docker" "inspect" "4ec16a5a23c7570b9691ef1e24a799669fc55e6085879ea1538cb22b6ff74652"`
Nov 17 02:55:08.717 INFO running `"docker" "rm" "-f" "4ec16a5a23c7570b9691ef1e24a799669fc55e6085879ea1538cb22b6ff74652"`
Nov 17 02:55:09.123 INFO [stdout] 4ec16a5a23c7570b9691ef1e24a799669fc55e6085879ea1538cb22b6ff74652