[INFO] updating cached repository awave1/chip8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/awave1/chip8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/awave1/chip8" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/awave1/chip8"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/awave1/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/awave1/chip8" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/awave1/chip8"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/awave1/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2c02aefde09406f9a95b24306d52670e6d2f24a
[INFO] sha for GitHub repo awave1/chip8: a2c02aefde09406f9a95b24306d52670e6d2f24a
[INFO] validating manifest of awave1/chip8 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 awave1/chip8 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 awave1/chip8
[INFO] finished frobbing awave1/chip8
[INFO] frobbed toml for awave1/chip8 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/awave1/chip8/Cargo.toml
[INFO] started frobbing awave1/chip8
[INFO] finished frobbing awave1/chip8
[INFO] frobbed toml for awave1/chip8 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/awave1/chip8/Cargo.toml
[INFO] crate awave1/chip8 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 awave1/chip8 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-0/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/awave1/chip8:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 88af97b82ef537600177aeb1189148f026e8e70a09731e479728d02bcf7fbf23
[INFO] running `"docker" "start" "-a" "88af97b82ef537600177aeb1189148f026e8e70a09731e479728d02bcf7fbf23"`
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: macro_escape is a deprecated synonym for macro_use
[INFO] [stderr]  --> src/macros.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![macro_escape]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider an outer attribute, #[macro_use] mod ...
[INFO] [stderr] 
[INFO] [stderr] warning: macro_escape is a deprecated synonym for macro_use
[INFO] [stderr]  --> src/macros.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![macro_escape]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider an outer attribute, #[macro_use] mod ...
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `delay_timer`
[INFO] [stderr]   --> src/cpu.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     delay_timer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sound_timer`
[INFO] [stderr]   --> src/cpu.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     sound_timer: u8
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/cpu.rs:161:10
[INFO] [stderr]     |
[INFO] [stderr] 161 |                         if self.v[x] + self.v[y] > 255 {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `delay_timer`
[INFO] [stderr]   --> src/cpu.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     delay_timer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sound_timer`
[INFO] [stderr]   --> src/cpu.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     sound_timer: u8
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/cpu.rs:161:10
[INFO] [stderr]     |
[INFO] [stderr] 161 |                         if self.v[x] + self.v[y] > 255 {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "88af97b82ef537600177aeb1189148f026e8e70a09731e479728d02bcf7fbf23"`
[INFO] running `"docker" "rm" "-f" "88af97b82ef537600177aeb1189148f026e8e70a09731e479728d02bcf7fbf23"`
[INFO] [stdout] 88af97b82ef537600177aeb1189148f026e8e70a09731e479728d02bcf7fbf23