[INFO] cloning repository https://github.com/fkaa/flu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkaa/flu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fflu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fflu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee8d2255d4c72a56b15009b1cc719dd8b3e82436
[INFO] testing fkaa/flu against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fflu" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fkaa/flu on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fkaa/flu
[INFO] finished tweaking git repo https://github.com/fkaa/flu
[INFO] tweaked toml for git repo https://github.com/fkaa/flu written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fkaa/flu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f35459b87f78b442351db859945952d86eefa894db333a6a8afd42b2cdebb264
[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" "f35459b87f78b442351db859945952d86eefa894db333a6a8afd42b2cdebb264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f35459b87f78b442351db859945952d86eefa894db333a6a8afd42b2cdebb264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35459b87f78b442351db859945952d86eefa894db333a6a8afd42b2cdebb264", kill_on_drop: false }`
[INFO] [stdout] f35459b87f78b442351db859945952d86eefa894db333a6a8afd42b2cdebb264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a02033244a9fe452b5be3436dad445db06a864073dfac92ba4b0c9e0606da49b
[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" "a02033244a9fe452b5be3436dad445db06a864073dfac92ba4b0c9e0606da49b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.5
[INFO] [stderr]    Compiling gcc v0.3.11
[INFO] [stderr]    Compiling libc v0.2.8
[INFO] [stderr]    Compiling flu v0.0.2 (/opt/rustwide/workdir)
[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: `LuaValue`
[INFO] [stdout]  --> src/context.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[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: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/function.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::marker::PhantomData;
[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/collections/index.rs:31:48
[INFO] [stdout]    |
[INFO] [stdout] 30 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 31 |             ffi::lua_getfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
[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/collections/index.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 37 |             ffi::lua_setfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
[INFO] [stdout]    |                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/context.rs:67:67
[INFO] [stdout]    |
[INFO] [stdout] 66 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 67 |             ffi::lua_getfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
[INFO] [stdout]    |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/context.rs:79:67
[INFO] [stdout]    |
[INFO] [stdout] 78 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 79 |             ffi::lua_setfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
[INFO] [stdout]    |                                                                   ^^^^^^ unnecessary `unsafe` block
[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] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/function.rs:84:36
[INFO] [stdout]    |
[INFO] [stdout] 84 | unsafe extern "C" fn fn_wrapper<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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `Command { std: "docker" "inspect" "a02033244a9fe452b5be3436dad445db06a864073dfac92ba4b0c9e0606da49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02033244a9fe452b5be3436dad445db06a864073dfac92ba4b0c9e0606da49b", kill_on_drop: false }`
[INFO] [stdout] a02033244a9fe452b5be3436dad445db06a864073dfac92ba4b0c9e0606da49b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1030a22b03ba4a8e5a06ac3550e5abdfb4f2ac495bcfa39a0b505dd17f67eba2
[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" "1030a22b03ba4a8e5a06ac3550e5abdfb4f2ac495bcfa39a0b505dd17f67eba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling flu v0.0.2 (/opt/rustwide/workdir)
[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: `LuaValue`
[INFO] [stdout]  --> src/context.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[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: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/function.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::marker::PhantomData;
[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/collections/index.rs:31:48
[INFO] [stdout]    |
[INFO] [stdout] 30 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 31 |             ffi::lua_getfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
[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/collections/index.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 37 |             ffi::lua_setfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
[INFO] [stdout]    |                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/context.rs:67:67
[INFO] [stdout]    |
[INFO] [stdout] 66 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 67 |             ffi::lua_getfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
[INFO] [stdout]    |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/context.rs:79:67
[INFO] [stdout]    |
[INFO] [stdout] 78 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 79 |             ffi::lua_setfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
[INFO] [stdout]    |                                                                   ^^^^^^ unnecessary `unsafe` block
[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] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/function.rs:84:36
[INFO] [stdout]    |
[INFO] [stdout] 84 | unsafe extern "C" fn fn_wrapper<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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: `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: `LuaValue`
[INFO] [stdout]  --> src/context.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[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/function.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/function.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::marker::PhantomData;
[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:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     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: variable does not need to be mutable
[INFO] [stdout]    --> src/function.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut cxt = Context::new();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/function.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut cxt = Context::new();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/collections/index.rs:31:48
[INFO] [stdout]    |
[INFO] [stdout] 30 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 31 |             ffi::lua_getfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
[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/collections/index.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 37 |             ffi::lua_setfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
[INFO] [stdout]    |                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/context.rs:67:67
[INFO] [stdout]    |
[INFO] [stdout] 66 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 67 |             ffi::lua_getfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
[INFO] [stdout]    |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/context.rs:79:67
[INFO] [stdout]    |
[INFO] [stdout] 78 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 79 |             ffi::lua_setfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
[INFO] [stdout]    |                                                                   ^^^^^^ unnecessary `unsafe` block
[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] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/function.rs:84:36
[INFO] [stdout]    |
[INFO] [stdout] 84 | unsafe extern "C" fn fn_wrapper<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: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "1030a22b03ba4a8e5a06ac3550e5abdfb4f2ac495bcfa39a0b505dd17f67eba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1030a22b03ba4a8e5a06ac3550e5abdfb4f2ac495bcfa39a0b505dd17f67eba2", kill_on_drop: false }`
[INFO] [stdout] 1030a22b03ba4a8e5a06ac3550e5abdfb4f2ac495bcfa39a0b505dd17f67eba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8423b83817e44700c2652e6f1ce0afebad83ea763a06c1be023cf0e035eab470
[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" "8423b83817e44700c2652e6f1ce0afebad83ea763a06c1be023cf0e035eab470", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / macro_rules! assert_enum {
[INFO] [stderr] 6  | |     (@as_expr $e:expr) => {$e};
[INFO] [stderr] 7  | |     (@as_pat $p:pat) => {$p};
[INFO] [stderr] 8  | |     ($left:expr, $($right:tt)*) => (
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     )
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaRef`
[INFO] [stderr]  --> src/stack/push.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use LuaRef;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaValue`
[INFO] [stderr]  --> src/stack/read.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use LuaValue;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaRef`
[INFO] [stderr]  --> src/stack/read.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use LuaRef;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaValue`
[INFO] [stderr]  --> src/stack/size.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use LuaValue;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaRef`
[INFO] [stderr]  --> src/stack/size.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use LuaRef;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/collections/table.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaValue`
[INFO] [stderr]  --> src/context.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use LuaValue;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Table`
[INFO] [stderr]  --> src/context.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use Table;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nil`
[INFO] [stderr]  --> src/function.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use nil;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]   --> src/function.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::marker::PhantomData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `nil` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct nil;
[INFO] [stderr]    |            ^^^ help: convert the identifier to upper camel case: `Nil`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cxt`
[INFO] [stderr]   --> src/value.rs:43:14
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cxt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/value.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cxt`
[INFO] [stderr]   --> src/borrow.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cxt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/borrow.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/function.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let mut cxt = Context::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/function.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let mut cxt = Context::new();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/function.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let mut cxt = Context::new();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/collections/index.rs:31:48
[INFO] [stderr]    |
[INFO] [stderr] 30 |         unsafe {
[INFO] [stderr]    |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] 31 |             ffi::lua_getfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
[INFO] [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/collections/index.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 36 |         unsafe {
[INFO] [stderr]    |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] 37 |             ffi::lua_setfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
[INFO] [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/context.rs:67:67
[INFO] [stderr]    |
[INFO] [stderr] 66 |         unsafe {
[INFO] [stderr]    |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] 67 |             ffi::lua_getfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
[INFO] [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/context.rs:79:67
[INFO] [stderr]    |
[INFO] [stderr] 78 |         unsafe {
[INFO] [stderr]    |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] 79 |             ffi::lua_setfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
[INFO] [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/function.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         unsafe {
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/function.rs:84:36
[INFO] [stderr]    |
[INFO] [stderr] 84 | unsafe extern "C" fn fn_wrapper<F>(L: *mut ffi::lua_State) -> libc::c_int
[INFO] [stderr]    |                                    ^ help: convert the identifier to snake case: `l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / macro_rules! assert_enum {
[INFO] [stderr] 6  | |     (@as_expr $e:expr) => {$e};
[INFO] [stderr] 7  | |     (@as_pat $p:pat) => {$p};
[INFO] [stderr] 8  | |     ($left:expr, $($right:tt)*) => (
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     )
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaRef`
[INFO] [stderr]  --> src/stack/push.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use LuaRef;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaValue`
[INFO] [stderr]  --> src/stack/read.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use LuaValue;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaRef`
[INFO] [stderr]  --> src/stack/read.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use LuaRef;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nil`
[INFO] [stderr]  --> src/stack/read.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use nil;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaValue`
[INFO] [stderr]  --> src/stack/size.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use LuaValue;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaRef`
[INFO] [stderr]  --> src/stack/size.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use LuaRef;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nil`
[INFO] [stderr]  --> src/collections/table.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use nil;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/collections/table.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LuaValue`
[INFO] [stderr]  --> src/context.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use LuaValue;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Table`
[INFO] [stderr]  --> src/context.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use Table;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nil`
[INFO] [stderr]  --> src/value.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use nil;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Table`
[INFO] [stderr]  --> src/function.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use Table;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nil`
[INFO] [stderr]  --> src/function.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use nil;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]   --> src/function.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::marker::PhantomData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `nil` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct nil;
[INFO] [stderr]    |            ^^^ help: convert the identifier to upper camel case: `Nil`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cxt`
[INFO] [stderr]   --> src/value.rs:43:14
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cxt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/value.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cxt`
[INFO] [stderr]   --> src/borrow.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cxt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/borrow.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn check(cxt: &'a Context, idx: i32) -> bool {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/collections/index.rs:31:48
[INFO] [stderr]    |
[INFO] [stderr] 30 |         unsafe {
[INFO] [stderr]    |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] 31 |             ffi::lua_getfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
[INFO] [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/collections/index.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 36 |         unsafe {
[INFO] [stderr]    |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] 37 |             ffi::lua_setfield(cxt.handle, idx, unsafe { CString::new(*self).unwrap().as_ptr() as _ })
[INFO] [stderr]    |                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/context.rs:67:67
[INFO] [stderr]    |
[INFO] [stderr] 66 |         unsafe {
[INFO] [stderr]    |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] 67 |             ffi::lua_getfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
[INFO] [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/context.rs:79:67
[INFO] [stderr]    |
[INFO] [stderr] 78 |         unsafe {
[INFO] [stderr]    |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] 79 |             ffi::lua_setfield(self.handle, ffi::LUA_GLOBALSINDEX, unsafe { CString::new(idx).unwrap().as_ptr() as _ });
[INFO] [stderr]    |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/function.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         unsafe {
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/function.rs:84:36
[INFO] [stderr]    |
[INFO] [stderr] 84 | unsafe extern "C" fn fn_wrapper<F>(L: *mut ffi::lua_State) -> libc::c_int
[INFO] [stderr]    |                                    ^ help: convert the identifier to snake case: `l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flu-269bff9e9d37707c
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test collections::table::access ... ok
[INFO] [stdout] test collections::table::iter ... ok
[INFO] [stdout] test collections::table::from_vec ... ok
[INFO] [stdout] test collections::table::len ... ok
[INFO] [stdout] test function::rust_fn ... ok
[INFO] [stdout] test context::get_globals ... ok
[INFO] [stdout] test function::simple ... ok
[INFO] [stdout] test function::rust_fn_2 ... ok
[INFO] [stdout] test stack::read::read_optional ... ok
[INFO] [stdout] test stack::read::read_string ... ok
[INFO] [stdout] test value::read_value ... ok
[INFO] [stdout] test stack::read::read_num ... ok
[INFO] [stdout] test stack::read::read_int ... ok
[INFO] [stdout] test borrow::read_ref ... ok
[INFO] [stdout] test collections::table::from_map ... ok
[INFO] [stdout] test context::stack_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flu
[INFO] [stderr] warning: type `nil` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct nil;
[INFO] [stderr]    |            ^^^ help: convert the identifier to upper camel case: `Nil`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8423b83817e44700c2652e6f1ce0afebad83ea763a06c1be023cf0e035eab470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8423b83817e44700c2652e6f1ce0afebad83ea763a06c1be023cf0e035eab470", kill_on_drop: false }`
[INFO] [stdout] 8423b83817e44700c2652e6f1ce0afebad83ea763a06c1be023cf0e035eab470