Dec 05 12:08:45.696 INFO checking hlua-0.4.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 12:08:45.696 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 12:08:46.115 INFO [stdout] 908741b8d1fa224a1da23414fc78ce1f6bf0baf6c59811d466e95e56d84d7f72
Dec 05 12:08:46.120 INFO running `"docker" "start" "-a" "908741b8d1fa224a1da23414fc78ce1f6bf0baf6c59811d466e95e56d84d7f72"`
Dec 05 12:08:46.954 INFO [stderr] usermod: no changes
Dec 05 12:08:47.019 INFO [stderr]    Compiling lua52-sys v0.1.2
Dec 05 12:08:51.799 INFO [stderr]     Checking hlua v0.4.1 (/source)
Dec 05 12:08:52.691 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 05 12:08:52.691 INFO [stderr]    --> src/lua_functions.rs:461:84
Dec 05 12:08:52.691 INFO [stderr]     |
Dec 05 12:08:52.691 INFO [stderr] 461 |         let val: i32 = lua.get::<LuaFunction<_>, _>("foo").unwrap().call_with_args((3)).unwrap();
Dec 05 12:08:52.691 INFO [stderr]     |                                                                                    ^^^ help: remove these parentheses
Dec 05 12:08:52.691 INFO [stderr]     |
Dec 05 12:08:52.691 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 12:08:52.691 INFO [stderr] 
Dec 05 12:08:52.692 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 05 12:08:52.692 INFO [stderr]   --> src/rust_tables.rs:24:39
Dec 05 12:08:52.692 INFO [stderr]    |
Dec 05 12:08:52.692 INFO [stderr] 24 |     for (elem, index) in iterator.zip((1..)) {
Dec 05 12:08:52.692 INFO [stderr]    |                                       ^^^^^ help: remove these parentheses
Dec 05 12:08:52.692 INFO [stderr] 
Dec 05 12:08:52.739 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 05 12:08:52.739 INFO [stderr]   --> src/rust_tables.rs:24:39
Dec 05 12:08:52.739 INFO [stderr]    |
Dec 05 12:08:52.739 INFO [stderr] 24 |     for (elem, index) in iterator.zip((1..)) {
Dec 05 12:08:52.739 INFO [stderr]    |                                       ^^^^^ help: remove these parentheses
Dec 05 12:08:52.739 INFO [stderr]    |
Dec 05 12:08:52.739 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 05 12:08:52.739 INFO [stderr] 
Dec 05 12:08:53.607 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:08:53.607 INFO [stderr]    --> src/functions_write.rs:368:26
Dec 05 12:08:53.607 INFO [stderr]     |
Dec 05 12:08:53.607 INFO [stderr] 368 |     fn push_to_lua(self, mut lua: &'a mut InsideCallback) -> Result<PushGuard<&'a mut InsideCallback>, (P, &'a mut InsideCallback)> {
Dec 05 12:08:53.607 INFO [stderr]     |                          ----^^^
Dec 05 12:08:53.607 INFO [stderr]     |                          |
Dec 05 12:08:53.607 INFO [stderr]     |                          help: remove this `mut`
Dec 05 12:08:53.607 INFO [stderr]     |
Dec 05 12:08:53.607 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 12:08:53.607 INFO [stderr] 
Dec 05 12:08:53.671 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:08:53.671 INFO [stderr]    --> src/userdata.rs:124:33
Dec 05 12:08:53.671 INFO [stderr]     |
Dec 05 12:08:53.671 INFO [stderr] 124 | pub fn read_userdata<'t, 'c, T>(mut lua: &'c mut InsideCallback,
Dec 05 12:08:53.671 INFO [stderr]     |                                 ----^^^
Dec 05 12:08:53.671 INFO [stderr]     |                                 |
Dec 05 12:08:53.671 INFO [stderr]     |                                 help: remove this `mut`
Dec 05 12:08:53.671 INFO [stderr] 
Dec 05 12:08:54.475 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:08:54.475 INFO [stderr]    --> src/functions_write.rs:368:26
Dec 05 12:08:54.475 INFO [stderr]     |
Dec 05 12:08:54.475 INFO [stderr] 368 |     fn push_to_lua(self, mut lua: &'a mut InsideCallback) -> Result<PushGuard<&'a mut InsideCallback>, (P, &'a mut InsideCallback)> {
Dec 05 12:08:54.475 INFO [stderr]     |                          ----^^^
Dec 05 12:08:54.475 INFO [stderr]     |                          |
Dec 05 12:08:54.475 INFO [stderr]     |                          help: remove this `mut`
Dec 05 12:08:54.475 INFO [stderr]     |
Dec 05 12:08:54.475 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 12:08:54.475 INFO [stderr] 
Dec 05 12:08:55.063 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:08:55.063 INFO [stderr]    --> src/userdata.rs:124:33
Dec 05 12:08:55.063 INFO [stderr]     |
Dec 05 12:08:55.063 INFO [stderr] 124 | pub fn read_userdata<'t, 'c, T>(mut lua: &'c mut InsideCallback,
Dec 05 12:08:55.063 INFO [stderr]     |                                 ----^^^
Dec 05 12:08:55.063 INFO [stderr]     |                                 |
Dec 05 12:08:55.063 INFO [stderr]     |                                 help: remove this `mut`
Dec 05 12:08:55.063 INFO [stderr] 
Dec 05 12:08:55.766 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.79s
Dec 05 12:08:55.771 INFO [stderr] su: No module specific data is present
Dec 05 12:08:56.315 INFO running `"docker" "inspect" "908741b8d1fa224a1da23414fc78ce1f6bf0baf6c59811d466e95e56d84d7f72"`
Dec 05 12:08:56.615 INFO running `"docker" "rm" "-f" "908741b8d1fa224a1da23414fc78ce1f6bf0baf6c59811d466e95e56d84d7f72"`
Dec 05 12:08:56.759 INFO [stdout] 908741b8d1fa224a1da23414fc78ce1f6bf0baf6c59811d466e95e56d84d7f72