[INFO] updating cached repository nrlsk/MIPSrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nrlsk/MIPSrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nrlsk/MIPSrs" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/nrlsk/MIPSrs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/nrlsk/MIPSrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nrlsk/MIPSrs" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/nrlsk/MIPSrs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/nrlsk/MIPSrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8d6400a79c278a9551a8786dfed1c5c0746e4664
[INFO] sha for GitHub repo nrlsk/MIPSrs: 8d6400a79c278a9551a8786dfed1c5c0746e4664
[INFO] validating manifest of nrlsk/MIPSrs on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nrlsk/MIPSrs on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nrlsk/MIPSrs
[INFO] finished frobbing nrlsk/MIPSrs
[INFO] frobbed toml for nrlsk/MIPSrs written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/nrlsk/MIPSrs/Cargo.toml
[INFO] started frobbing nrlsk/MIPSrs
[INFO] finished frobbing nrlsk/MIPSrs
[INFO] frobbed toml for nrlsk/MIPSrs written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/nrlsk/MIPSrs/Cargo.toml
[INFO] crate nrlsk/MIPSrs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nrlsk/MIPSrs against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-1/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c344bc31a8f5728a0429ad21ec9463c12d292c07b4e38c525e57e33a822573a
[INFO] running `"docker" "start" "-a" "7c344bc31a8f5728a0429ad21ec9463c12d292c07b4e38c525e57e33a822573a"`
[INFO] [stderr]     Checking MIPSrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Register`
[INFO] [stderr]  --> src/register.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Register {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/register.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(number: usize, name: &'static str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Cpu {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MIPSrs` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mipsrs`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Registers` should have a snake case name
[INFO] [stderr]  --> src/cpu.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Registers: Vec<register::Register>,
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to snake case: `registers`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Memory` should have a snake case name
[INFO] [stderr]  --> src/cpu.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Memory: Vec<u8>,
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to snake case: `memory`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Register`
[INFO] [stderr]  --> src/register.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Register {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/register.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(number: usize, name: &'static str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Cpu {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MIPSrs` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mipsrs`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Registers` should have a snake case name
[INFO] [stderr]  --> src/cpu.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Registers: Vec<register::Register>,
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to snake case: `registers`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Memory` should have a snake case name
[INFO] [stderr]  --> src/cpu.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Memory: Vec<u8>,
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to snake case: `memory`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "7c344bc31a8f5728a0429ad21ec9463c12d292c07b4e38c525e57e33a822573a"`
[INFO] running `"docker" "rm" "-f" "7c344bc31a8f5728a0429ad21ec9463c12d292c07b4e38c525e57e33a822573a"`
[INFO] [stdout] 7c344bc31a8f5728a0429ad21ec9463c12d292c07b4e38c525e57e33a822573a