[INFO] fetching crate flu 0.0.2...
[INFO] building flu-0.0.2 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate flu 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate flu 0.0.2 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flu 0.0.2
[INFO] finished tweaking crates.io crate flu 0.0.2
[INFO] tweaked toml for crates.io crate flu 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0587217942e08d7baeaab370ad1fdd4af2fc4d438b17013eda49a74845fe7bc6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0587217942e08d7baeaab370ad1fdd4af2fc4d438b17013eda49a74845fe7bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0587217942e08d7baeaab370ad1fdd4af2fc4d438b17013eda49a74845fe7bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0587217942e08d7baeaab370ad1fdd4af2fc4d438b17013eda49a74845fe7bc6", kill_on_drop: false }`
[INFO] [stdout] 0587217942e08d7baeaab370ad1fdd4af2fc4d438b17013eda49a74845fe7bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fa232dc90fc24e175c8154bb8b851094a6a4cfd73cae3f96da86573eb3d3f11
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1fa232dc90fc24e175c8154bb8b851094a6a4cfd73cae3f96da86573eb3d3f11", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling flu v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]   --> build.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     gcc::Config::new()
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]   --> build.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     gcc::Config::new()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/lauxlib.c: In function 'luaL_loadfile':
[INFO] [stderr] warning: dist/lua-5.1.5/src/lauxlib.c:577:4: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
[INFO] [stderr] warning:   577 |    while ((c = getc(lf.f)) != EOF && c != LUA_SIGNATURE[0]) ;
[INFO] [stderr] warning:       |    ^~~~~
[INFO] [stderr] warning: dist/lua-5.1.5/src/lauxlib.c:578:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
[INFO] [stderr] warning:   578 |     lf.extraline = 0;
[INFO] [stderr] warning:       |     ^~
[INFO] [stderr] warning: dist/lua-5.1.5/src/ldebug.c: In function 'symbexec':
[INFO] [stderr] warning: dist/lua-5.1.5/src/ldebug.c:268:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:   268 | #define check(x)  if (!(x)) return 0;
[INFO] [stderr] warning:       |                      ^
[INFO] [stderr] warning: dist/lua-5.1.5/src/ldebug.c:272:26: note: in expansion of macro 'check'
[INFO] [stderr] warning:   272 | #define checkreg(pt,reg) check((reg) < (pt)->maxstacksize)
[INFO] [stderr] warning:       |                          ^~~~~
[INFO] [stderr] warning: dist/lua-5.1.5/src/ldebug.c:414:9: note: in expansion of macro 'checkreg'
[INFO] [stderr] warning:   414 |         checkreg(pt, a+3);
[INFO] [stderr] warning:       |         ^~~~~~~~
[INFO] [stderr] warning: dist/lua-5.1.5/src/ldebug.c:416:7: note: here
[INFO] [stderr] warning:   416 |       case OP_JMP: {
[INFO] [stderr] warning:       |       ^~~~
[INFO] [stderr] warning: dist/lua-5.1.5/src/llex.c: In function 'llex':
[INFO] [stderr] warning: dist/lua-5.1.5/src/llex.c:369:14: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:   369 |         else luaX_lexerror(ls, "invalid long string delimiter", TK_STRING);
[INFO] [stderr] warning:       |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: dist/lua-5.1.5/src/llex.c:371:7: note: here
[INFO] [stderr] warning:   371 |       case '=': {
[INFO] [stderr] warning:       |       ^~~~
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltable.c: In function 'luaH_get':
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltable.c:473:23: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:   473 |     case LUA_TNUMBER: {
[INFO] [stderr] warning:       |                       ^
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltable.c:481:5: note: here
[INFO] [stderr] warning:   481 |     default: {
[INFO] [stderr] warning:       |     ^~~~~~~
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltablib.c: In function 'addfield':
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltablib.c:137:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
[INFO] [stderr] warning:   137 |   if (!lua_isstring(L, -1))
[INFO] [stderr] warning:       |   ^~
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltablib.c:140:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
[INFO] [stderr] warning:   140 |     luaL_addvalue(b);
[INFO] [stderr] warning:       |     ^~~~~~~~~~~~~
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / macro_rules! assert_enum {
[INFO] [stdout] 6  | |     (@as_expr $e:expr) => {$e};
[INFO] [stdout] 7  | |     (@as_pat $p:pat) => {$p};
[INFO] [stdout] 8  | |     ($left:expr, $($right:tt)*) => (
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     )
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/push.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaValue`
[INFO] [stdout]  --> src/stack/read.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/read.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/stack/read.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaValue`
[INFO] [stdout]  --> src/stack/size.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/size.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/collections/table.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/collections/table.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Table`
[INFO] [stdout]  --> src/context.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use Table;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Table`
[INFO] [stdout]  --> src/function.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use Table;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/function.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `nil` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct nil;
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case: `Nil`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cxt`
[INFO] [stdout]   --> src/value.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cxt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/value.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cxt`
[INFO] [stdout]   --> src/borrow.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cxt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/borrow.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/function.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/function.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 98  | / unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
[INFO] [stdout] 99  | |         where P: Push, R: for<'a> Read<'a> + Size, F: Fn(R) -> P {
[INFO] [stdout]     | |________________________________________________________________- because it's nested under this `unsafe` fn
[INFO] [stdout] 100 |       let cxt = Context::from_state_weak(L);
[INFO] [stdout] 101 |       let func: &mut F = unsafe { mem::transmute(ffi::lua_touserdata(L, ffi::lua_upvalueindex(1))) };
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/context.rs:54:83
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let ret = ffi::luaL_dostring(self.handle, CString::new(code).unwrap().as_ptr());
[INFO] [stdout]    |                                                       --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/function.rs:98:35
[INFO] [stdout]    |
[INFO] [stdout] 98 | unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
[INFO] [stdout]    |                                   ^ help: convert the identifier to snake case: `l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.67s
[INFO] running `Command { std: "docker" "inspect" "1fa232dc90fc24e175c8154bb8b851094a6a4cfd73cae3f96da86573eb3d3f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa232dc90fc24e175c8154bb8b851094a6a4cfd73cae3f96da86573eb3d3f11", kill_on_drop: false }`
[INFO] [stdout] 1fa232dc90fc24e175c8154bb8b851094a6a4cfd73cae3f96da86573eb3d3f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f949e187def9bd3a3e17a2bc34168d8a0756abf0e4c9fbf3dc08274b118b91e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f949e187def9bd3a3e17a2bc34168d8a0756abf0e4c9fbf3dc08274b118b91e5", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]   --> build.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     gcc::Config::new()
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]   --> build.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     gcc::Config::new()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/lauxlib.c: In function 'luaL_loadfile':
[INFO] [stderr] warning: dist/lua-5.1.5/src/lauxlib.c:577:4: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
[INFO] [stderr] warning:   577 |    while ((c = getc(lf.f)) != EOF && c != LUA_SIGNATURE[0]) ;
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / macro_rules! assert_enum {
[INFO] [stdout] 6  | |     (@as_expr $e:expr) => {$e};
[INFO] [stdout] 7  | |     (@as_pat $p:pat) => {$p};
[INFO] [stdout] 8  | |     ($left:expr, $($right:tt)*) => (
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     )
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:       |    ^~~~~
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/push.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/lauxlib.c:578:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
[INFO] [stdout] warning: unused import: `LuaValue`
[INFO] [stdout]  --> src/stack/read.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:   578 |     lf.extraline = 0;
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/read.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:       |     ^~
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/stack/read.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/ldebug.c: In function 'symbexec':
[INFO] [stdout] warning: unused import: `LuaValue`
[INFO] [stdout]  --> src/stack/size.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/ldebug.c:268:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/size.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:   268 | #define check(x)  if (!(x)) return 0;
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/collections/table.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:       |                      ^
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/collections/table.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/ldebug.c:272:26: note: in expansion of macro 'check'
[INFO] [stdout] warning: unused import: `Table`
[INFO] [stdout]  --> src/context.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use Table;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:   272 | #define checkreg(pt,reg) check((reg) < (pt)->maxstacksize)
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:       |                          ^~~~~
[INFO] [stdout] warning: unused import: `Table`
[INFO] [stdout]  --> src/function.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use Table;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/ldebug.c:414:9: note: in expansion of macro 'checkreg'
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/function.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:   414 |         checkreg(pt, a+3);
[INFO] [stdout] warning: type `nil` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct nil;
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case: `Nil`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:       |         ^~~~~~~~
[INFO] [stdout] warning: unused variable: `cxt`
[INFO] [stdout]   --> src/value.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cxt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/ldebug.c:416:7: note: here
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/value.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:   416 |       case OP_JMP: {
[INFO] [stdout] warning: unused variable: `cxt`
[INFO] [stdout]   --> src/borrow.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cxt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:       |       ^~~~
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/borrow.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/llex.c: In function 'llex':
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/function.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/llex.c:369:14: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/function.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 98  | / unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
[INFO] [stdout] 99  | |         where P: Push, R: for<'a> Read<'a> + Size, F: Fn(R) -> P {
[INFO] [stdout]     | |________________________________________________________________- because it's nested under this `unsafe` fn
[INFO] [stdout] 100 |       let cxt = Context::from_state_weak(L);
[INFO] [stdout] 101 |       let func: &mut F = unsafe { mem::transmute(ffi::lua_touserdata(L, ffi::lua_upvalueindex(1))) };
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:   369 |         else luaX_lexerror(ls, "invalid long string delimiter", TK_STRING);
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/context.rs:54:83
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let ret = ffi::luaL_dostring(self.handle, CString::new(code).unwrap().as_ptr());
[INFO] [stdout]    |                                                       --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:       |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/function.rs:98:35
[INFO] [stdout]    |
[INFO] [stdout] 98 | unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
[INFO] [stdout]    |                                   ^ help: convert the identifier to snake case: `l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dist/lua-5.1.5/src/llex.c:371:7: note: here
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:   371 |       case '=': {
[INFO] [stderr] warning:       |       ^~~~
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltable.c: In function 'luaH_get':
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltable.c:473:23: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:   473 |     case LUA_TNUMBER: {
[INFO] [stderr] warning:       |                       ^
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltable.c:481:5: note: here
[INFO] [stderr] warning:   481 |     default: {
[INFO] [stderr] warning:       |     ^~~~~~~
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltablib.c: In function 'addfield':
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltablib.c:137:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
[INFO] [stderr] warning:   137 |   if (!lua_isstring(L, -1))
[INFO] [stderr] warning:       |   ^~
[INFO] [stderr] warning: dist/lua-5.1.5/src/ltablib.c:140:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
[INFO] [stderr] warning:   140 |     luaL_addvalue(b);
[INFO] [stderr] warning:       |     ^~~~~~~~~~~~~
[INFO] [stderr]    Compiling flu v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/push.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaValue`
[INFO] [stdout]  --> src/stack/read.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/read.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaValue`
[INFO] [stdout]  --> src/stack/size.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/size.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/collections/table.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/function.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `nil` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct nil;
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case: `Nil`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cxt`
[INFO] [stdout]   --> src/value.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cxt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/value.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cxt`
[INFO] [stdout]   --> src/borrow.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cxt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/borrow.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/function.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut cxt = Context::new();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/function.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/function.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 98  | / unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
[INFO] [stdout] 99  | |         where P: Push, R: for<'a> Read<'a> + Size, F: Fn(R) -> P {
[INFO] [stdout]     | |________________________________________________________________- because it's nested under this `unsafe` fn
[INFO] [stdout] 100 |       let cxt = Context::from_state_weak(L);
[INFO] [stdout] 101 |       let func: &mut F = unsafe { mem::transmute(ffi::lua_touserdata(L, ffi::lua_upvalueindex(1))) };
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/context.rs:54:83
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let ret = ffi::luaL_dostring(self.handle, CString::new(code).unwrap().as_ptr());
[INFO] [stdout]    |                                                       --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/function.rs:98:35
[INFO] [stdout]    |
[INFO] [stdout] 98 | unsafe extern fn wrapper<P, R, F>(L: *mut ffi::lua_State) -> libc::c_int
[INFO] [stdout]    |                                   ^ help: convert the identifier to snake case: `l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "f949e187def9bd3a3e17a2bc34168d8a0756abf0e4c9fbf3dc08274b118b91e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f949e187def9bd3a3e17a2bc34168d8a0756abf0e4c9fbf3dc08274b118b91e5", kill_on_drop: false }`
[INFO] [stdout] f949e187def9bd3a3e17a2bc34168d8a0756abf0e4c9fbf3dc08274b118b91e5
