[INFO] updating cached repository christophertrml/rust8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/christophertrml/rust8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/christophertrml/rust8" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christophertrml/rust8"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christophertrml/rust8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/christophertrml/rust8" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/christophertrml/rust8"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/christophertrml/rust8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51bf0901cf1fb4bd8e8620fd4399a06587979764
[INFO] sha for GitHub repo christophertrml/rust8: 51bf0901cf1fb4bd8e8620fd4399a06587979764
[INFO] validating manifest of christophertrml/rust8 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of christophertrml/rust8 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing christophertrml/rust8
[INFO] finished frobbing christophertrml/rust8
[INFO] frobbed toml for christophertrml/rust8 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christophertrml/rust8/Cargo.toml
[INFO] started frobbing christophertrml/rust8
[INFO] finished frobbing christophertrml/rust8
[INFO] frobbed toml for christophertrml/rust8 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/christophertrml/rust8/Cargo.toml
[INFO] crate christophertrml/rust8 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building christophertrml/rust8 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christophertrml/rust8:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 31ad222a44cd6028baa6fc01546373677284d5dcc6ec6915bb986583f80aed21
[INFO] running `"docker" "start" "-a" "31ad222a44cd6028baa6fc01546373677284d5dcc6ec6915bb986583f80aed21"`
[INFO] [stderr]    Compiling rust8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `delay_timer`
[INFO] [stderr]  --> src/chip8.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     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/chip8.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     sound_timer: u8,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `gfx`
[INFO] [stderr]  --> src/chip8.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     gfx: [[bool; 32]; 64],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keys`
[INFO] [stderr]   --> src/chip8.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     keys: [bool; 16],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `left_shift`
[INFO] [stderr]    --> src/chip8.rs:230:5
[INFO] [stderr]     |
[INFO] [stderr] 230 |     fn left_shift(&mut self, opcode: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "31ad222a44cd6028baa6fc01546373677284d5dcc6ec6915bb986583f80aed21"`
[INFO] running `"docker" "rm" "-f" "31ad222a44cd6028baa6fc01546373677284d5dcc6ec6915bb986583f80aed21"`
[INFO] [stdout] 31ad222a44cd6028baa6fc01546373677284d5dcc6ec6915bb986583f80aed21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christophertrml/rust8:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 129ef52f18f844a8439834ecfa8f507de91eecb1c54a2aba658eda418d6624be
[INFO] running `"docker" "start" "-a" "129ef52f18f844a8439834ecfa8f507de91eecb1c54a2aba658eda418d6624be"`
[INFO] [stderr]    Compiling rust8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `delay_timer`
[INFO] [stderr]  --> src/chip8.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     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/chip8.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     sound_timer: u8,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `gfx`
[INFO] [stderr]  --> src/chip8.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     gfx: [[bool; 32]; 64],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keys`
[INFO] [stderr]   --> src/chip8.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     keys: [bool; 16],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `left_shift`
[INFO] [stderr]    --> src/chip8.rs:230:5
[INFO] [stderr]     |
[INFO] [stderr] 230 |     fn left_shift(&mut self, opcode: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "129ef52f18f844a8439834ecfa8f507de91eecb1c54a2aba658eda418d6624be"`
[INFO] running `"docker" "rm" "-f" "129ef52f18f844a8439834ecfa8f507de91eecb1c54a2aba658eda418d6624be"`
[INFO] [stdout] 129ef52f18f844a8439834ecfa8f507de91eecb1c54a2aba658eda418d6624be