[INFO] updating cached repository baileyn/chip8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/baileyn/chip8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/baileyn/chip8" "work/ex/beta-1.37-6/sources/1.36.0/gh/baileyn/chip8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/baileyn/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/baileyn/chip8" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baileyn/chip8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baileyn/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73a3553db92c867e11bc8a8b5a41bbb2d6bc69ee
[INFO] sha for GitHub repo baileyn/chip8: 73a3553db92c867e11bc8a8b5a41bbb2d6bc69ee
[INFO] validating manifest of baileyn/chip8 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of baileyn/chip8 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing baileyn/chip8
[INFO] finished frobbing baileyn/chip8
[INFO] frobbed toml for baileyn/chip8 written to work/ex/beta-1.37-6/sources/1.36.0/gh/baileyn/chip8/Cargo.toml
[INFO] started frobbing baileyn/chip8
[INFO] finished frobbing baileyn/chip8
[INFO] frobbed toml for baileyn/chip8 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baileyn/chip8/Cargo.toml
[INFO] crate baileyn/chip8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing baileyn/chip8 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baileyn/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 97dcfd18be81e7e78cc09bc7112f3fdc2a5b254dcacf9a916674417d17abb569
[INFO] running `"docker" "start" "-a" "97dcfd18be81e7e78cc09bc7112f3fdc2a5b254dcacf9a916674417d17abb569"`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_program_raw`
[INFO] [stderr]   --> src/cpu.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn load_program_raw(&mut self, program: Vec<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fetch_opcode`
[INFO] [stderr]   --> src/cpu.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn fetch_opcode(&mut self) -> Opcode {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "97dcfd18be81e7e78cc09bc7112f3fdc2a5b254dcacf9a916674417d17abb569"`
[INFO] running `"docker" "rm" "-f" "97dcfd18be81e7e78cc09bc7112f3fdc2a5b254dcacf9a916674417d17abb569"`
[INFO] [stdout] 97dcfd18be81e7e78cc09bc7112f3fdc2a5b254dcacf9a916674417d17abb569
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baileyn/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6855b838bdb606fc44ca26f839e7ecf24658d26cdc3b89ce4bede93e8eac0881
[INFO] running `"docker" "start" "-a" "6855b838bdb606fc44ca26f839e7ecf24658d26cdc3b89ce4bede93e8eac0881"`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "6855b838bdb606fc44ca26f839e7ecf24658d26cdc3b89ce4bede93e8eac0881"`
[INFO] running `"docker" "rm" "-f" "6855b838bdb606fc44ca26f839e7ecf24658d26cdc3b89ce4bede93e8eac0881"`
[INFO] [stdout] 6855b838bdb606fc44ca26f839e7ecf24658d26cdc3b89ce4bede93e8eac0881
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baileyn/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 717211a5f0e1ddb6d8d60a0d777eb2d199bb9e48e3902ec300c4a09f8bb4f1bc
[INFO] running `"docker" "start" "-a" "717211a5f0e1ddb6d8d60a0d777eb2d199bb9e48e3902ec300c4a09f8bb4f1bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chip8-fbaddb6b3f93a457
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test cpu::tests::test_fetch_opcode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "717211a5f0e1ddb6d8d60a0d777eb2d199bb9e48e3902ec300c4a09f8bb4f1bc"`
[INFO] running `"docker" "rm" "-f" "717211a5f0e1ddb6d8d60a0d777eb2d199bb9e48e3902ec300c4a09f8bb4f1bc"`
[INFO] [stdout] 717211a5f0e1ddb6d8d60a0d777eb2d199bb9e48e3902ec300c4a09f8bb4f1bc