Dec 19 11:40:04.561 INFO checking nrlsk/MIPSrs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:40:04.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:40:04.942 INFO [stdout] dc2a51fab4b679d5cd63bd99086fcf5ab9e20b966fe5134a3f632a9be0e0bb9b
Dec 19 11:40:04.942 INFO running `"docker" "start" "-a" "dc2a51fab4b679d5cd63bd99086fcf5ab9e20b966fe5134a3f632a9be0e0bb9b"`
Dec 19 11:40:07.057 INFO [stderr]     Checking MIPSrs v0.1.0 (/opt/crater/workdir)
Dec 19 11:40:07.468 INFO [stderr] warning: struct is never constructed: `Register`
Dec 19 11:40:07.469 INFO [stderr]  --> src/register.rs:3:1
Dec 19 11:40:07.469 INFO [stderr]   |
Dec 19 11:40:07.469 INFO [stderr] 3 | pub struct Register {
Dec 19 11:40:07.469 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:07.470 INFO [stderr]   |
Dec 19 11:40:07.470 INFO [stderr] warning: struct is never constructed: `Register`
Dec 19 11:40:07.470 INFO [stderr]  --> src/register.rs:3:1
Dec 19 11:40:07.471 INFO [stderr]   |
Dec 19 11:40:07.471 INFO [stderr] 3 | pub struct Register {
Dec 19 11:40:07.471 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:07.471 INFO [stderr]   |
Dec 19 11:40:07.471 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 11:40:07.472 INFO [stderr] 
Dec 19 11:40:07.472 INFO [stderr] warning: method is never used: `new`
Dec 19 11:40:07.472 INFO [stderr]   --> src/register.rs:11:2
Dec 19 11:40:07.472 INFO [stderr]    |
Dec 19 11:40:07.473 INFO [stderr] 11 |     pub fn new(number: usize, name: &'static str) -> Self {
Dec 19 11:40:07.473 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:07.473 INFO [stderr] 
Dec 19 11:40:07.474 INFO [stderr] warning: struct is never constructed: `Cpu`
Dec 19 11:40:07.474 INFO [stderr]  --> src/cpu.rs:4:1
Dec 19 11:40:07.474 INFO [stderr]   |
Dec 19 11:40:07.474 INFO [stderr] 4 | struct Cpu {
Dec 19 11:40:07.474 INFO [stderr]   | ^^^^^^^^^^
Dec 19 11:40:07.474 INFO [stderr] 
Dec 19 11:40:07.474 INFO [stderr] warning: crate `MIPSrs` should have a snake case name such as `mipsrs`
Dec 19 11:40:07.474 INFO [stderr]   |
Dec 19 11:40:07.474 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 11:40:07.474 INFO [stderr] 
Dec 19 11:40:07.474 INFO [stderr] warning: structure field `Registers` should have a snake case name such as `registers`
Dec 19 11:40:07.474 INFO [stderr]  --> src/cpu.rs:5:2
Dec 19 11:40:07.474 INFO [stderr]   |
Dec 19 11:40:07.474 INFO [stderr] 5 |     Registers: Vec<register::Register>,
Dec 19 11:40:07.474 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:07.474 INFO [stderr] 
Dec 19 11:40:07.474 INFO [stderr] warning: structure field `Memory` should have a snake case name such as `memory`
Dec 19 11:40:07.474 INFO [stderr]  --> src/cpu.rs:6:2
Dec 19 11:40:07.474 INFO [stderr]   |
Dec 19 11:40:07.474 INFO [stderr] 6 |     Memory: Vec<u8>,
Dec 19 11:40:07.474 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 11:40:07.474 INFO [stderr] 
Dec 19 11:40:07.474 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 11:40:07.474 INFO [stderr] 
Dec 19 11:40:07.474 INFO [stderr] warning: method is never used: `new`
Dec 19 11:40:07.474 INFO [stderr]   --> src/register.rs:11:2
Dec 19 11:40:07.474 INFO [stderr]    |
Dec 19 11:40:07.474 INFO [stderr] 11 |     pub fn new(number: usize, name: &'static str) -> Self {
Dec 19 11:40:07.474 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:07.474 INFO [stderr] 
Dec 19 11:40:07.474 INFO [stderr] warning: struct is never constructed: `Cpu`
Dec 19 11:40:07.474 INFO [stderr]  --> src/cpu.rs:4:1
Dec 19 11:40:07.474 INFO [stderr]   |
Dec 19 11:40:07.474 INFO [stderr] 4 | struct Cpu {
Dec 19 11:40:07.474 INFO [stderr]   | ^^^^^^^^^^
Dec 19 11:40:07.474 INFO [stderr] 
Dec 19 11:40:07.474 INFO [stderr] warning: crate `MIPSrs` should have a snake case name such as `mipsrs`
Dec 19 11:40:07.474 INFO [stderr]   |
Dec 19 11:40:07.474 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 11:40:07.474 INFO [stderr] 
Dec 19 11:40:07.474 INFO [stderr] warning: structure field `Registers` should have a snake case name such as `registers`
Dec 19 11:40:07.474 INFO [stderr]  --> src/cpu.rs:5:2
Dec 19 11:40:07.474 INFO [stderr]   |
Dec 19 11:40:07.474 INFO [stderr] 5 |     Registers: Vec<register::Register>,
Dec 19 11:40:07.475 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:07.475 INFO [stderr] 
Dec 19 11:40:07.475 INFO [stderr] warning: structure field `Memory` should have a snake case name such as `memory`
Dec 19 11:40:07.475 INFO [stderr]  --> src/cpu.rs:6:2
Dec 19 11:40:07.475 INFO [stderr]   |
Dec 19 11:40:07.475 INFO [stderr] 6 |     Memory: Vec<u8>,
Dec 19 11:40:07.475 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 11:40:07.475 INFO [stderr] 
Dec 19 11:40:07.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 19 11:40:09.126 INFO running `"docker" "inspect" "dc2a51fab4b679d5cd63bd99086fcf5ab9e20b966fe5134a3f632a9be0e0bb9b"`
Dec 19 11:40:09.516 INFO running `"docker" "rm" "-f" "dc2a51fab4b679d5cd63bd99086fcf5ab9e20b966fe5134a3f632a9be0e0bb9b"`
Dec 19 11:40:09.852 INFO [stdout] dc2a51fab4b679d5cd63bd99086fcf5ab9e20b966fe5134a3f632a9be0e0bb9b