[INFO] cloning repository michaelsergio/chip8-disassembler
[INFO] running `"git" "clone" "--bare" "git://github.com/michaelsergio/chip8-disassembler.git" "work/cache/sources/gh/michaelsergio/chip8-disassembler"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/michaelsergio/chip8-disassembler'...
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsergio/chip8-disassembler" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/michaelsergio/chip8-disassembler"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/michaelsergio/chip8-disassembler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsergio/chip8-disassembler" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/michaelsergio/chip8-disassembler"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/michaelsergio/chip8-disassembler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0788eb177d99555757e6fe836a2ce19005c2158e
[INFO] sha for GitHub repo michaelsergio/chip8-disassembler: 0788eb177d99555757e6fe836a2ce19005c2158e
[INFO] validating manifest of michaelsergio/chip8-disassembler on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of michaelsergio/chip8-disassembler on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing michaelsergio/chip8-disassembler
[INFO] finished frobbing michaelsergio/chip8-disassembler
[INFO] frobbed toml for michaelsergio/chip8-disassembler written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/michaelsergio/chip8-disassembler/Cargo.toml
[INFO] started frobbing michaelsergio/chip8-disassembler
[INFO] finished frobbing michaelsergio/chip8-disassembler
[INFO] frobbed toml for michaelsergio/chip8-disassembler written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/michaelsergio/chip8-disassembler/Cargo.toml
[INFO] crate michaelsergio/chip8-disassembler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking michaelsergio/chip8-disassembler against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/michaelsergio/chip8-disassembler:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] be15c1e501807e7e4b729b04a996bd3967915d21ee7e3d7be91d80b2d44047a8
[INFO] running `"docker" "start" "-a" "be15c1e501807e7e4b729b04a996bd3967915d21ee7e3d7be91d80b2d44047a8"`
[INFO] [stderr]     Checking chip8-disassemble v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `decode_op`
[INFO] [stderr]   --> src/main.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn decode_op(opcode: u8) -> &'static str {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_op`
[INFO] [stderr]   --> src/main.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn decode_op(opcode: u8) -> &'static str {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "be15c1e501807e7e4b729b04a996bd3967915d21ee7e3d7be91d80b2d44047a8"`
[INFO] running `"docker" "rm" "-f" "be15c1e501807e7e4b729b04a996bd3967915d21ee7e3d7be91d80b2d44047a8"`
[INFO] [stdout] be15c1e501807e7e4b729b04a996bd3967915d21ee7e3d7be91d80b2d44047a8