Dec 19 11:40:09.940 INFO checking nrlsk/MIPSrs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:40:09.940 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/nrlsk/MIPSrs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:40:10.525 INFO [stdout] f15711195023e0b810a367f2b2a4912623323c3973554b3ac8fa52630ea85be3
Dec 19 11:40:10.527 INFO running `"docker" "start" "-a" "f15711195023e0b810a367f2b2a4912623323c3973554b3ac8fa52630ea85be3"`
Dec 19 11:40:13.020 INFO [stderr]     Checking MIPSrs v0.1.0 (/opt/crater/workdir)
Dec 19 11:40:13.361 INFO [stderr] warning: struct is never constructed: `Register`
Dec 19 11:40:13.361 INFO [stderr]  --> src/register.rs:3:1
Dec 19 11:40:13.361 INFO [stderr]   |
Dec 19 11:40:13.361 INFO [stderr] 3 | pub struct Register {
Dec 19 11:40:13.361 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:13.361 INFO [stderr]   |
Dec 19 11:40:13.361 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 11:40:13.361 INFO [stderr] 
Dec 19 11:40:13.361 INFO [stderr] warning: method is never used: `new`
Dec 19 11:40:13.361 INFO [stderr]   --> src/register.rs:11:2
Dec 19 11:40:13.361 INFO [stderr]    |
Dec 19 11:40:13.361 INFO [stderr] 11 |     pub fn new(number: usize, name: &'static str) -> Self {
Dec 19 11:40:13.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:13.361 INFO [stderr] 
Dec 19 11:40:13.361 INFO [stderr] warning: struct is never constructed: `Cpu`
Dec 19 11:40:13.361 INFO [stderr]  --> src/cpu.rs:4:1
Dec 19 11:40:13.362 INFO [stderr]   |
Dec 19 11:40:13.362 INFO [stderr] 4 | struct Cpu {
Dec 19 11:40:13.362 INFO [stderr]   | ^^^^^^^^^^
Dec 19 11:40:13.362 INFO [stderr] 
Dec 19 11:40:13.364 INFO [stderr] warning: crate `MIPSrs` should have a snake case name such as `mipsrs`
Dec 19 11:40:13.364 INFO [stderr]   |
Dec 19 11:40:13.364 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 11:40:13.364 INFO [stderr] 
Dec 19 11:40:13.364 INFO [stderr] warning: structure field `Registers` should have a snake case name such as `registers`
Dec 19 11:40:13.364 INFO [stderr]  --> src/cpu.rs:5:2
Dec 19 11:40:13.364 INFO [stderr]   |
Dec 19 11:40:13.364 INFO [stderr] 5 |     Registers: Vec<register::Register>,
Dec 19 11:40:13.364 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:13.364 INFO [stderr] 
Dec 19 11:40:13.364 INFO [stderr] warning: structure field `Memory` should have a snake case name such as `memory`
Dec 19 11:40:13.364 INFO [stderr]  --> src/cpu.rs:6:2
Dec 19 11:40:13.364 INFO [stderr]   |
Dec 19 11:40:13.364 INFO [stderr] 6 |     Memory: Vec<u8>,
Dec 19 11:40:13.364 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 11:40:13.364 INFO [stderr] 
Dec 19 11:40:13.371 INFO [stderr] warning: struct is never constructed: `Register`
Dec 19 11:40:13.371 INFO [stderr]  --> src/register.rs:3:1
Dec 19 11:40:13.371 INFO [stderr]   |
Dec 19 11:40:13.371 INFO [stderr] 3 | pub struct Register {
Dec 19 11:40:13.371 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:13.371 INFO [stderr]   |
Dec 19 11:40:13.371 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 11:40:13.371 INFO [stderr] 
Dec 19 11:40:13.371 INFO [stderr] warning: method is never used: `new`
Dec 19 11:40:13.371 INFO [stderr]   --> src/register.rs:11:2
Dec 19 11:40:13.371 INFO [stderr]    |
Dec 19 11:40:13.371 INFO [stderr] 11 |     pub fn new(number: usize, name: &'static str) -> Self {
Dec 19 11:40:13.371 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:13.371 INFO [stderr] 
Dec 19 11:40:13.371 INFO [stderr] warning: struct is never constructed: `Cpu`
Dec 19 11:40:13.371 INFO [stderr]  --> src/cpu.rs:4:1
Dec 19 11:40:13.371 INFO [stderr]   |
Dec 19 11:40:13.371 INFO [stderr] 4 | struct Cpu {
Dec 19 11:40:13.371 INFO [stderr]   | ^^^^^^^^^^
Dec 19 11:40:13.371 INFO [stderr] 
Dec 19 11:40:13.380 INFO [stderr] warning: crate `MIPSrs` should have a snake case name such as `mipsrs`
Dec 19 11:40:13.380 INFO [stderr]   |
Dec 19 11:40:13.380 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 11:40:13.380 INFO [stderr] 
Dec 19 11:40:13.380 INFO [stderr] warning: structure field `Registers` should have a snake case name such as `registers`
Dec 19 11:40:13.381 INFO [stderr]  --> src/cpu.rs:5:2
Dec 19 11:40:13.381 INFO [stderr]   |
Dec 19 11:40:13.381 INFO [stderr] 5 |     Registers: Vec<register::Register>,
Dec 19 11:40:13.381 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:13.381 INFO [stderr] 
Dec 19 11:40:13.381 INFO [stderr] warning: structure field `Memory` should have a snake case name such as `memory`
Dec 19 11:40:13.381 INFO [stderr]  --> src/cpu.rs:6:2
Dec 19 11:40:13.381 INFO [stderr]   |
Dec 19 11:40:13.381 INFO [stderr] 6 |     Memory: Vec<u8>,
Dec 19 11:40:13.381 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 11:40:13.381 INFO [stderr] 
Dec 19 11:40:13.465 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 19 11:40:14.848 INFO running `"docker" "inspect" "f15711195023e0b810a367f2b2a4912623323c3973554b3ac8fa52630ea85be3"`
Dec 19 11:40:15.170 INFO running `"docker" "rm" "-f" "f15711195023e0b810a367f2b2a4912623323c3973554b3ac8fa52630ea85be3"`
Dec 19 11:40:15.492 INFO [stdout] f15711195023e0b810a367f2b2a4912623323c3973554b3ac8fa52630ea85be3