Dec 04 13:02:59.400 INFO checking nrlsk/MIPSrs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 13:02:59.400 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 13:02:59.864 INFO [stdout] b4d8ac5190068d2a2aab70620d3acf82e23f3088f7a3edc156314c1516946a46
Dec 04 13:02:59.866 INFO running `"docker" "start" "-a" "b4d8ac5190068d2a2aab70620d3acf82e23f3088f7a3edc156314c1516946a46"`
Dec 04 13:03:01.031 INFO [stderr] usermod: no changes
Dec 04 13:03:01.094 INFO [stderr]     Checking MIPSrs v0.1.0 (/source)
Dec 04 13:03:01.407 INFO [stderr] warning: struct is never constructed: `Register`
Dec 04 13:03:01.407 INFO [stderr]  --> src/register.rs:3:1
Dec 04 13:03:01.407 INFO [stderr]   |
Dec 04 13:03:01.407 INFO [stderr] 3 | pub struct Register {
Dec 04 13:03:01.407 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 04 13:03:01.407 INFO [stderr]   |
Dec 04 13:03:01.407 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 13:03:01.407 INFO [stderr] 
Dec 04 13:03:01.407 INFO [stderr] warning: method is never used: `new`
Dec 04 13:03:01.407 INFO [stderr]   --> src/register.rs:11:2
Dec 04 13:03:01.407 INFO [stderr]    |
Dec 04 13:03:01.407 INFO [stderr] 11 |     pub fn new(number: usize, name: &'static str) -> Self {
Dec 04 13:03:01.407 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:03:01.407 INFO [stderr] 
Dec 04 13:03:01.407 INFO [stderr] warning: struct is never constructed: `Cpu`
Dec 04 13:03:01.407 INFO [stderr]  --> src/cpu.rs:4:1
Dec 04 13:03:01.407 INFO [stderr]   |
Dec 04 13:03:01.407 INFO [stderr] 4 | struct Cpu {
Dec 04 13:03:01.407 INFO [stderr]   | ^^^^^^^^^^
Dec 04 13:03:01.407 INFO [stderr] 
Dec 04 13:03:01.407 INFO [stderr] warning: crate `MIPSrs` should have a snake case name such as `mipsrs`
Dec 04 13:03:01.407 INFO [stderr]   |
Dec 04 13:03:01.407 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 13:03:01.407 INFO [stderr] 
Dec 04 13:03:01.407 INFO [stderr] warning: structure field `Registers` should have a snake case name such as `registers`
Dec 04 13:03:01.407 INFO [stderr]  --> src/cpu.rs:5:2
Dec 04 13:03:01.407 INFO [stderr]   |
Dec 04 13:03:01.407 INFO [stderr] 5 |     Registers: Vec<register::Register>,
Dec 04 13:03:01.407 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:03:01.407 INFO [stderr] 
Dec 04 13:03:01.407 INFO [stderr] warning: structure field `Memory` should have a snake case name such as `memory`
Dec 04 13:03:01.407 INFO [stderr]  --> src/cpu.rs:6:2
Dec 04 13:03:01.407 INFO [stderr]   |
Dec 04 13:03:01.407 INFO [stderr] 6 |     Memory: Vec<u8>,
Dec 04 13:03:01.407 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 13:03:01.407 INFO [stderr] 
Dec 04 13:03:01.467 INFO [stderr] warning: struct is never constructed: `Register`
Dec 04 13:03:01.467 INFO [stderr]  --> src/register.rs:3:1
Dec 04 13:03:01.467 INFO [stderr]   |
Dec 04 13:03:01.467 INFO [stderr] 3 | pub struct Register {
Dec 04 13:03:01.467 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 04 13:03:01.467 INFO [stderr]   |
Dec 04 13:03:01.467 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 13:03:01.467 INFO [stderr] 
Dec 04 13:03:01.467 INFO [stderr] warning: method is never used: `new`
Dec 04 13:03:01.467 INFO [stderr]   --> src/register.rs:11:2
Dec 04 13:03:01.467 INFO [stderr]    |
Dec 04 13:03:01.467 INFO [stderr] 11 |     pub fn new(number: usize, name: &'static str) -> Self {
Dec 04 13:03:01.467 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:03:01.467 INFO [stderr] 
Dec 04 13:03:01.467 INFO [stderr] warning: struct is never constructed: `Cpu`
Dec 04 13:03:01.467 INFO [stderr]  --> src/cpu.rs:4:1
Dec 04 13:03:01.467 INFO [stderr]   |
Dec 04 13:03:01.467 INFO [stderr] 4 | struct Cpu {
Dec 04 13:03:01.467 INFO [stderr]   | ^^^^^^^^^^
Dec 04 13:03:01.467 INFO [stderr] 
Dec 04 13:03:01.467 INFO [stderr] warning: crate `MIPSrs` should have a snake case name such as `mipsrs`
Dec 04 13:03:01.467 INFO [stderr]   |
Dec 04 13:03:01.467 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 13:03:01.467 INFO [stderr] 
Dec 04 13:03:01.467 INFO [stderr] warning: structure field `Registers` should have a snake case name such as `registers`
Dec 04 13:03:01.467 INFO [stderr]  --> src/cpu.rs:5:2
Dec 04 13:03:01.467 INFO [stderr]   |
Dec 04 13:03:01.467 INFO [stderr] 5 |     Registers: Vec<register::Register>,
Dec 04 13:03:01.467 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:03:01.467 INFO [stderr] 
Dec 04 13:03:01.467 INFO [stderr] warning: structure field `Memory` should have a snake case name such as `memory`
Dec 04 13:03:01.467 INFO [stderr]  --> src/cpu.rs:6:2
Dec 04 13:03:01.467 INFO [stderr]   |
Dec 04 13:03:01.467 INFO [stderr] 6 |     Memory: Vec<u8>,
Dec 04 13:03:01.467 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 13:03:01.467 INFO [stderr] 
Dec 04 13:03:01.507 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 04 13:03:01.507 INFO [stderr] su: No module specific data is present
Dec 04 13:03:02.139 INFO running `"docker" "inspect" "b4d8ac5190068d2a2aab70620d3acf82e23f3088f7a3edc156314c1516946a46"`
Dec 04 13:03:02.329 INFO running `"docker" "rm" "-f" "b4d8ac5190068d2a2aab70620d3acf82e23f3088f7a3edc156314c1516946a46"`
Dec 04 13:03:02.555 INFO [stdout] b4d8ac5190068d2a2aab70620d3acf82e23f3088f7a3edc156314c1516946a46