Dec 11 23:41:37.402 INFO checking Virepri/synacor_challenge against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 23:41:37.402 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 23:41:37.919 INFO [stdout] 3b908675acf7907b41cb825f09dd03917d6e43dca601659685ddd59515350a7f
Dec 11 23:41:37.928 INFO running `"docker" "start" "-a" "3b908675acf7907b41cb825f09dd03917d6e43dca601659685ddd59515350a7f"`
Dec 11 23:41:39.385 INFO [stderr] usermod: no changes
Dec 11 23:41:39.444 INFO [stderr]     Checking synacor_challenge v0.1.0 (/source)
Dec 11 23:41:40.264 INFO [stderr] warning: struct is never constructed: `CPU`
Dec 11 23:41:40.264 INFO [stderr]  --> src/cpu/mod.rs:6:1
Dec 11 23:41:40.265 INFO [stderr]   |
Dec 11 23:41:40.265 INFO [stderr] 6 | pub struct CPU {
Dec 11 23:41:40.265 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 11 23:41:40.265 INFO [stderr]   |
Dec 11 23:41:40.265 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 23:41:40.265 INFO [stderr] 
Dec 11 23:41:40.266 INFO [stderr] warning: method is never used: `load_program`
Dec 11 23:41:40.266 INFO [stderr]   --> src/cpu/mod.rs:14:5
Dec 11 23:41:40.266 INFO [stderr]    |
Dec 11 23:41:40.266 INFO [stderr] 14 |     pub fn load_program(&mut self, prog: &Vec<u8>) {
Dec 11 23:41:40.266 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:40.266 INFO [stderr] 
Dec 11 23:41:40.266 INFO [stderr] warning: method is never used: `start_emulation`
Dec 11 23:41:40.267 INFO [stderr]   --> src/cpu/mod.rs:20:5
Dec 11 23:41:40.267 INFO [stderr]    |
Dec 11 23:41:40.267 INFO [stderr] 20 |     pub fn start_emulation(&mut self) {
Dec 11 23:41:40.267 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:40.267 INFO [stderr] 
Dec 11 23:41:40.267 INFO [stderr] warning: method is never used: `get_from_mem`
Dec 11 23:41:40.267 INFO [stderr]   --> src/cpu/mod.rs:88:5
Dec 11 23:41:40.268 INFO [stderr]    |
Dec 11 23:41:40.268 INFO [stderr] 88 |     fn get_from_mem(&self, loc: usize, num: bool) -> u16 {
Dec 11 23:41:40.268 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:40.268 INFO [stderr] 
Dec 11 23:41:40.268 INFO [stderr] warning: method is never used: `set_location`
Dec 11 23:41:40.268 INFO [stderr]   --> src/cpu/mod.rs:98:5
Dec 11 23:41:40.268 INFO [stderr]    |
Dec 11 23:41:40.269 INFO [stderr] 98 |     fn set_location(&mut self, loc: usize, data: u16) {
Dec 11 23:41:40.269 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:40.269 INFO [stderr] 
Dec 11 23:41:40.269 INFO [stderr] warning: function is never used: `is_register`
Dec 11 23:41:40.269 INFO [stderr]    --> src/cpu/mod.rs:108:1
Dec 11 23:41:40.269 INFO [stderr]     |
Dec 11 23:41:40.269 INFO [stderr] 108 | fn is_register(loc: &usize) -> bool {
Dec 11 23:41:40.270 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:40.270 INFO [stderr] 
Dec 11 23:41:40.270 INFO [stderr] warning: function is never used: `make_cpu`
Dec 11 23:41:40.270 INFO [stderr]    --> src/cpu/mod.rs:112:1
Dec 11 23:41:40.270 INFO [stderr]     |
Dec 11 23:41:40.270 INFO [stderr] 112 | pub fn make_cpu() -> CPU {
Dec 11 23:41:40.270 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:40.271 INFO [stderr] 
Dec 11 23:41:40.271 INFO [stderr] warning: variable `Result` should have a snake case name such as `result`
Dec 11 23:41:40.271 INFO [stderr]   --> src/cpu/mod.rs:72:30
Dec 11 23:41:40.271 INFO [stderr]    |
Dec 11 23:41:40.271 INFO [stderr] 72 |                         Some(Result) => {self.memory_pointer = Result as usize}
Dec 11 23:41:40.271 INFO [stderr]    |                              ^^^^^^
Dec 11 23:41:40.271 INFO [stderr]    |
Dec 11 23:41:40.272 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 11 23:41:40.272 INFO [stderr] 
Dec 11 23:41:40.446 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:41:40.446 INFO [stderr]   --> src/cpu/tests/mod.rs:47:13
Dec 11 23:41:40.446 INFO [stderr]    |
Dec 11 23:41:40.446 INFO [stderr] 47 |         let mut program = [17,5,2,15,0];
Dec 11 23:41:40.446 INFO [stderr]    |             ----^^^^^^^
Dec 11 23:41:40.446 INFO [stderr]    |             |
Dec 11 23:41:40.446 INFO [stderr]    |             help: remove this `mut`
Dec 11 23:41:40.446 INFO [stderr]    |
Dec 11 23:41:40.446 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 23:41:40.446 INFO [stderr] 
Dec 11 23:41:40.457 INFO [stderr] warning: variable `Result` should have a snake case name such as `result`
Dec 11 23:41:40.457 INFO [stderr]   --> src/cpu/mod.rs:72:30
Dec 11 23:41:40.457 INFO [stderr]    |
Dec 11 23:41:40.457 INFO [stderr] 72 |                         Some(Result) => {self.memory_pointer = Result as usize}
Dec 11 23:41:40.457 INFO [stderr]    |                              ^^^^^^
Dec 11 23:41:40.457 INFO [stderr]    |
Dec 11 23:41:40.457 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 11 23:41:40.457 INFO [stderr] 
Dec 11 23:41:40.500 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Dec 11 23:41:40.509 INFO [stderr] su: No module specific data is present
Dec 11 23:41:41.840 INFO running `"docker" "inspect" "3b908675acf7907b41cb825f09dd03917d6e43dca601659685ddd59515350a7f"`
Dec 11 23:41:42.194 INFO running `"docker" "rm" "-f" "3b908675acf7907b41cb825f09dd03917d6e43dca601659685ddd59515350a7f"`
Dec 11 23:41:42.532 INFO [stdout] 3b908675acf7907b41cb825f09dd03917d6e43dca601659685ddd59515350a7f