[INFO] updating cached repository https://github.com/squablyScientist/chip8-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 20a3b6f01b05b4f4e44d4695942b21cbdbe04a62
[INFO] testing squablyScientist/chip8-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FsquablyScientist%2Fchip8-rust" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/squablyScientist/chip8-rust on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/squablyScientist/chip8-rust
[INFO] finished tweaking git repo https://github.com/squablyScientist/chip8-rust
[INFO] tweaked toml for git repo https://github.com/squablyScientist/chip8-rust written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/squablyScientist/chip8-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5885220e97d4100ee19b02234f73359560c7193eb16123c2b392d0ecbaeac20b
[INFO] running `"docker" "start" "-a" "5885220e97d4100ee19b02234f73359560c7193eb16123c2b392d0ecbaeac20b"`
[INFO] [stderr]    Compiling rand v0.4.5
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/cpu.rs:367:25
[INFO] [stderr]     |
[INFO] [stderr] 367 |                 let mut pixel: u8 = 0;
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_mem`
[INFO] [stderr]   --> src/cpu.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn dump_mem(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_reg`
[INFO] [stderr]    --> src/cpu.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn dump_reg(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub  V: [u8; 16],   
[INFO] [stderr]    |          ^ help: convert the identifier to snake case: `v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `I` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub  I: u16,        
[INFO] [stderr]    |          ^ help: convert the identifier to snake case: `i`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `"docker" "inspect" "5885220e97d4100ee19b02234f73359560c7193eb16123c2b392d0ecbaeac20b"`
[INFO] running `"docker" "rm" "-f" "5885220e97d4100ee19b02234f73359560c7193eb16123c2b392d0ecbaeac20b"`
[INFO] [stdout] 5885220e97d4100ee19b02234f73359560c7193eb16123c2b392d0ecbaeac20b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 36c8a0ffa6241b8805d16bacc52e28cf9b51f6965c4882a49a2179b3ce9ebb4d
[INFO] running `"docker" "start" "-a" "36c8a0ffa6241b8805d16bacc52e28cf9b51f6965c4882a49a2179b3ce9ebb4d"`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/cpu.rs:367:25
[INFO] [stderr]     |
[INFO] [stderr] 367 |                 let mut pixel: u8 = 0;
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_mem`
[INFO] [stderr]   --> src/cpu.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn dump_mem(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_reg`
[INFO] [stderr]    --> src/cpu.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn dump_reg(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub  V: [u8; 16],   
[INFO] [stderr]    |          ^ help: convert the identifier to snake case: `v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `I` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub  I: u16,        
[INFO] [stderr]    |          ^ help: convert the identifier to snake case: `i`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "36c8a0ffa6241b8805d16bacc52e28cf9b51f6965c4882a49a2179b3ce9ebb4d"`
[INFO] running `"docker" "rm" "-f" "36c8a0ffa6241b8805d16bacc52e28cf9b51f6965c4882a49a2179b3ce9ebb4d"`
[INFO] [stdout] 36c8a0ffa6241b8805d16bacc52e28cf9b51f6965c4882a49a2179b3ce9ebb4d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 414b5fc32a02a76b0e79d520a10a032bff686a829bf8a175f2602b5e2da53e21
[INFO] running `"docker" "start" "-a" "414b5fc32a02a76b0e79d520a10a032bff686a829bf8a175f2602b5e2da53e21"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-8bba98ec21e22e42
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "414b5fc32a02a76b0e79d520a10a032bff686a829bf8a175f2602b5e2da53e21"`
[INFO] running `"docker" "rm" "-f" "414b5fc32a02a76b0e79d520a10a032bff686a829bf8a175f2602b5e2da53e21"`
[INFO] [stdout] 414b5fc32a02a76b0e79d520a10a032bff686a829bf8a175f2602b5e2da53e21