[INFO] updating cached repository psimk/chip8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/psimk/chip8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/psimk/chip8" "work/ex/beta-1.38-1/sources/1.37.0/gh/psimk/chip8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/psimk/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/psimk/chip8" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/psimk/chip8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/psimk/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26410f072b3c4b19c1d450a8aa7bcafef2e0cb8f
[INFO] sha for GitHub repo psimk/chip8: 26410f072b3c4b19c1d450a8aa7bcafef2e0cb8f
[INFO] validating manifest of psimk/chip8 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of psimk/chip8 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing psimk/chip8
[INFO] finished frobbing psimk/chip8
[INFO] frobbed toml for psimk/chip8 written to work/ex/beta-1.38-1/sources/1.37.0/gh/psimk/chip8/Cargo.toml
[INFO] started frobbing psimk/chip8
[INFO] finished frobbing psimk/chip8
[INFO] frobbed toml for psimk/chip8 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/psimk/chip8/Cargo.toml
[INFO] crate psimk/chip8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing psimk/chip8 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/psimk/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ff48c6fb95a7e01347852e9cb29caf3e40a5f2ba892efa284fda984c55c3191a
[INFO] running `"docker" "start" "-a" "ff48c6fb95a7e01347852e9cb29caf3e40a5f2ba892efa284fda984c55c3191a"`
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling rand_jitter v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sdl2 v0.32.1
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `byteorder::ReadBytesExt`
[INFO] [stderr]  --> src/cpu.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use byteorder::ReadBytesExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/cpu.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Error, Write};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.38s
[INFO] running `"docker" "inspect" "ff48c6fb95a7e01347852e9cb29caf3e40a5f2ba892efa284fda984c55c3191a"`
[INFO] running `"docker" "rm" "-f" "ff48c6fb95a7e01347852e9cb29caf3e40a5f2ba892efa284fda984c55c3191a"`
[INFO] [stdout] ff48c6fb95a7e01347852e9cb29caf3e40a5f2ba892efa284fda984c55c3191a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/psimk/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7c325135791c5525042c63ff92bc536f70d5e5eef5f6ccdb43d4026b27c7e1b6
[INFO] running `"docker" "start" "-a" "7c325135791c5525042c63ff92bc536f70d5e5eef5f6ccdb43d4026b27c7e1b6"`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `byteorder::ReadBytesExt`
[INFO] [stderr]  --> src/cpu.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use byteorder::ReadBytesExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/cpu.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Error, Write};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "7c325135791c5525042c63ff92bc536f70d5e5eef5f6ccdb43d4026b27c7e1b6"`
[INFO] running `"docker" "rm" "-f" "7c325135791c5525042c63ff92bc536f70d5e5eef5f6ccdb43d4026b27c7e1b6"`
[INFO] [stdout] 7c325135791c5525042c63ff92bc536f70d5e5eef5f6ccdb43d4026b27c7e1b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/psimk/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] dc840b0b63c03fe4b86ce31b81a5453ee59cc9f9c0e1e6c4e29cefe345e4e79f
[INFO] running `"docker" "start" "-a" "dc840b0b63c03fe4b86ce31b81a5453ee59cc9f9c0e1e6c4e29cefe345e4e79f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chip8-1e1c08cd6c972370
[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" "dc840b0b63c03fe4b86ce31b81a5453ee59cc9f9c0e1e6c4e29cefe345e4e79f"`
[INFO] running `"docker" "rm" "-f" "dc840b0b63c03fe4b86ce31b81a5453ee59cc9f9c0e1e6c4e29cefe345e4e79f"`
[INFO] [stdout] dc840b0b63c03fe4b86ce31b81a5453ee59cc9f9c0e1e6c4e29cefe345e4e79f