Dec 11 23:41:46.076 INFO checking VioletasTheThird/vm-reg against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 23:41:46.076 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 23:41:46.464 INFO [stdout] 907b7800f4768904c3c3fcc1d45500b153c8477c03927b82a49ad3b45321f524
Dec 11 23:41:46.466 INFO running `"docker" "start" "-a" "907b7800f4768904c3c3fcc1d45500b153c8477c03927b82a49ad3b45321f524"`
Dec 11 23:41:47.877 INFO [stderr] usermod: no changes
Dec 11 23:41:47.940 INFO [stderr]     Checking langdev v0.1.0 (/source)
Dec 11 23:41:48.496 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 11 23:41:48.496 INFO [stderr]  --> src/vm/mod.rs:4:5
Dec 11 23:41:48.496 INFO [stderr]   |
Dec 11 23:41:48.496 INFO [stderr] 4 | use std::rc::Rc;
Dec 11 23:41:48.496 INFO [stderr]   |     ^^^^^^^^^^^
Dec 11 23:41:48.496 INFO [stderr]   |
Dec 11 23:41:48.496 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:41:48.496 INFO [stderr] 
Dec 11 23:41:48.576 INFO [stderr] warning: unused variable: `field`
Dec 11 23:41:48.576 INFO [stderr]   --> src/vm/mod.rs:27:29
Dec 11 23:41:48.576 INFO [stderr]    |
Dec 11 23:41:48.576 INFO [stderr] 27 |     fn get_field(&mut self, field: &str) -> Box<dyn UserData> {box self.clone()}
Dec 11 23:41:48.576 INFO [stderr]    |                             ^^^^^ help: consider using `_field` instead
Dec 11 23:41:48.576 INFO [stderr]    |
Dec 11 23:41:48.576 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 23:41:48.576 INFO [stderr] 
Dec 11 23:41:48.576 INFO [stderr] warning: unused variable: `state`
Dec 11 23:41:48.576 INFO [stderr]   --> src/vm/mod.rs:28:31
Dec 11 23:41:48.576 INFO [stderr]    |
Dec 11 23:41:48.576 INFO [stderr] 28 |     fn meta_method(&mut self, state: &mut Vm, method: MetaMethod) {}
Dec 11 23:41:48.576 INFO [stderr]    |                               ^^^^^ help: consider using `_state` instead
Dec 11 23:41:48.576 INFO [stderr] 
Dec 11 23:41:48.576 INFO [stderr] warning: unused variable: `method`
Dec 11 23:41:48.576 INFO [stderr]   --> src/vm/mod.rs:28:47
Dec 11 23:41:48.576 INFO [stderr]    |
Dec 11 23:41:48.576 INFO [stderr] 28 |     fn meta_method(&mut self, state: &mut Vm, method: MetaMethod) {}
Dec 11 23:41:48.576 INFO [stderr]    |                                               ^^^^^^ help: consider using `_method` instead
Dec 11 23:41:48.576 INFO [stderr] 
Dec 11 23:41:48.577 INFO [stderr] warning: unused variable: `ident`
Dec 11 23:41:48.577 INFO [stderr]    --> src/vm/mod.rs:115:31
Dec 11 23:41:48.577 INFO [stderr]     |
Dec 11 23:41:48.577 INFO [stderr] 115 |     pub fn get_var(&mut self, ident: &'static str, reg: Reg) {}
Dec 11 23:41:48.577 INFO [stderr]     |                               ^^^^^ help: consider using `_ident` instead
Dec 11 23:41:48.577 INFO [stderr] 
Dec 11 23:41:48.577 INFO [stderr] warning: unused variable: `reg`
Dec 11 23:41:48.577 INFO [stderr]    --> src/vm/mod.rs:115:52
Dec 11 23:41:48.577 INFO [stderr]     |
Dec 11 23:41:48.577 INFO [stderr] 115 |     pub fn get_var(&mut self, ident: &'static str, reg: Reg) {}
Dec 11 23:41:48.577 INFO [stderr]     |                                                    ^^^ help: consider using `_reg` instead
Dec 11 23:41:48.577 INFO [stderr] 
Dec 11 23:41:48.716 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 11 23:41:48.716 INFO [stderr]  --> src/vm/mod.rs:4:5
Dec 11 23:41:48.716 INFO [stderr]   |
Dec 11 23:41:48.716 INFO [stderr] 4 | use std::rc::Rc;
Dec 11 23:41:48.716 INFO [stderr]   |     ^^^^^^^^^^^
Dec 11 23:41:48.716 INFO [stderr]   |
Dec 11 23:41:48.716 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:41:48.716 INFO [stderr] 
Dec 11 23:41:48.844 INFO [stderr] warning: unused variable: `field`
Dec 11 23:41:48.844 INFO [stderr]   --> src/vm/mod.rs:27:29
Dec 11 23:41:48.844 INFO [stderr]    |
Dec 11 23:41:48.844 INFO [stderr] 27 |     fn get_field(&mut self, field: &str) -> Box<dyn UserData> {box self.clone()}
Dec 11 23:41:48.844 INFO [stderr]    |                             ^^^^^ help: consider using `_field` instead
Dec 11 23:41:48.844 INFO [stderr]    |
Dec 11 23:41:48.844 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 23:41:48.844 INFO [stderr] 
Dec 11 23:41:48.844 INFO [stderr] warning: unused variable: `state`
Dec 11 23:41:48.844 INFO [stderr]   --> src/vm/mod.rs:28:31
Dec 11 23:41:48.844 INFO [stderr]    |
Dec 11 23:41:48.844 INFO [stderr] 28 |     fn meta_method(&mut self, state: &mut Vm, method: MetaMethod) {}
Dec 11 23:41:48.844 INFO [stderr]    |                               ^^^^^ help: consider using `_state` instead
Dec 11 23:41:48.844 INFO [stderr] 
Dec 11 23:41:48.844 INFO [stderr] warning: unused variable: `method`
Dec 11 23:41:48.844 INFO [stderr]   --> src/vm/mod.rs:28:47
Dec 11 23:41:48.844 INFO [stderr]    |
Dec 11 23:41:48.844 INFO [stderr] 28 |     fn meta_method(&mut self, state: &mut Vm, method: MetaMethod) {}
Dec 11 23:41:48.844 INFO [stderr]    |                                               ^^^^^^ help: consider using `_method` instead
Dec 11 23:41:48.844 INFO [stderr] 
Dec 11 23:41:48.844 INFO [stderr] warning: unused variable: `ident`
Dec 11 23:41:48.844 INFO [stderr]    --> src/vm/mod.rs:115:31
Dec 11 23:41:48.844 INFO [stderr]     |
Dec 11 23:41:48.845 INFO [stderr] 115 |     pub fn get_var(&mut self, ident: &'static str, reg: Reg) {}
Dec 11 23:41:48.845 INFO [stderr]     |                               ^^^^^ help: consider using `_ident` instead
Dec 11 23:41:48.845 INFO [stderr] 
Dec 11 23:41:48.845 INFO [stderr] warning: unused variable: `reg`
Dec 11 23:41:48.845 INFO [stderr]    --> src/vm/mod.rs:115:52
Dec 11 23:41:48.845 INFO [stderr]     |
Dec 11 23:41:48.845 INFO [stderr] 115 |     pub fn get_var(&mut self, ident: &'static str, reg: Reg) {}
Dec 11 23:41:48.845 INFO [stderr]     |                                                    ^^^ help: consider using `_reg` instead
Dec 11 23:41:48.845 INFO [stderr] 
Dec 11 23:41:48.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 11 23:41:48.892 INFO [stderr] su: No module specific data is present
Dec 11 23:41:49.906 INFO running `"docker" "inspect" "907b7800f4768904c3c3fcc1d45500b153c8477c03927b82a49ad3b45321f524"`
Dec 11 23:41:50.178 INFO running `"docker" "rm" "-f" "907b7800f4768904c3c3fcc1d45500b153c8477c03927b82a49ad3b45321f524"`
Dec 11 23:41:50.531 INFO [stdout] 907b7800f4768904c3c3fcc1d45500b153c8477c03927b82a49ad3b45321f524