[INFO] fetching crate rs118-chip8 0.2.0...
[INFO] testing rs118-chip8-0.2.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate rs118-chip8 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rs118-chip8 0.2.0
[INFO] finished tweaking crates.io crate rs118-chip8 0.2.0
[INFO] tweaked toml for crates.io crate rs118-chip8 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs118-chip8 0.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs118-chip8 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11ff994de66d876ffc54bb5daed076c7a1c2f0f363fdf35a5adfa7129fd5274e
[INFO] running `Command { std: "docker" "start" "-a" "11ff994de66d876ffc54bb5daed076c7a1c2f0f363fdf35a5adfa7129fd5274e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11ff994de66d876ffc54bb5daed076c7a1c2f0f363fdf35a5adfa7129fd5274e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ff994de66d876ffc54bb5daed076c7a1c2f0f363fdf35a5adfa7129fd5274e", kill_on_drop: false }`
[INFO] [stdout] 11ff994de66d876ffc54bb5daed076c7a1c2f0f363fdf35a5adfa7129fd5274e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc03199615e4d4366f1a9c69c21506a49394c11fb06f7365967108f204690e18
[INFO] running `Command { std: "docker" "start" "-a" "dc03199615e4d4366f1a9c69c21506a49394c11fb06f7365967108f204690e18", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rs118-chip8 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/interpreter/mod.rs:134:78
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stdout]     |                                                                              ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stdout] 134 +                         let display_px = &mut self.display[(y as usize + i)][x as usize + j ];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/interpreter/mod.rs:134:60
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stdout]     |                                                            ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stdout] 134 +                         let display_px = &mut self.display[y as usize + i ][(x as usize + j)];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/interpreter/instruction.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Shr(Reg, Reg),      //8xy6, Vx = Vy >> 1
[INFO] [stdout]    |     ---      ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -     Shr(Reg, Reg),      //8xy6, Vx = Vy >> 1
[INFO] [stdout] 23 +     Shr(Reg, ()),      //8xy6, Vx = Vy >> 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/interpreter/instruction.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Shl(Reg, Reg),      //8xyE, Vx = Vy << 1
[INFO] [stdout]    |     ---      ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Shl(Reg, Reg),      //8xyE, Vx = Vy << 1
[INFO] [stdout] 25 +     Shl(Reg, ()),      //8xyE, Vx = Vy << 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "dc03199615e4d4366f1a9c69c21506a49394c11fb06f7365967108f204690e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc03199615e4d4366f1a9c69c21506a49394c11fb06f7365967108f204690e18", kill_on_drop: false }`
[INFO] [stdout] dc03199615e4d4366f1a9c69c21506a49394c11fb06f7365967108f204690e18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf5542241792ef8aea9071a6845c71dfe7dcdd387f1f46700886172d2867c9ba
[INFO] running `Command { std: "docker" "start" "-a" "cf5542241792ef8aea9071a6845c71dfe7dcdd387f1f46700886172d2867c9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs118-chip8 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/interpreter/mod.rs:134:78
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stdout]     |                                                                              ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stdout] 134 +                         let display_px = &mut self.display[(y as usize + i)][x as usize + j ];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/interpreter/mod.rs:134:60
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stdout]     |                                                            ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stdout] 134 +                         let display_px = &mut self.display[y as usize + i ][(x as usize + j)];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/interpreter/instruction.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Shr(Reg, Reg),      //8xy6, Vx = Vy >> 1
[INFO] [stdout]    |     ---      ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -     Shr(Reg, Reg),      //8xy6, Vx = Vy >> 1
[INFO] [stdout] 23 +     Shr(Reg, ()),      //8xy6, Vx = Vy >> 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/interpreter/instruction.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Shl(Reg, Reg),      //8xyE, Vx = Vy << 1
[INFO] [stdout]    |     ---      ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Shl(Reg, Reg),      //8xyE, Vx = Vy << 1
[INFO] [stdout] 25 +     Shl(Reg, ()),      //8xyE, Vx = Vy << 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "cf5542241792ef8aea9071a6845c71dfe7dcdd387f1f46700886172d2867c9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5542241792ef8aea9071a6845c71dfe7dcdd387f1f46700886172d2867c9ba", kill_on_drop: false }`
[INFO] [stdout] cf5542241792ef8aea9071a6845c71dfe7dcdd387f1f46700886172d2867c9ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b0e53fda0cf5e948c6a07832310a69057fdff233861ec3ce8e7d1609693995e
[INFO] running `Command { std: "docker" "start" "-a" "8b0e53fda0cf5e948c6a07832310a69057fdff233861ec3ce8e7d1609693995e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/interpreter/mod.rs:134:78
[INFO] [stderr]     |
[INFO] [stderr] 134 |                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stderr]     |                                                                              ^              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 134 -                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stderr] 134 +                         let display_px = &mut self.display[(y as usize + i)][x as usize + j ];
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/interpreter/mod.rs:134:60
[INFO] [stderr]     |
[INFO] [stderr] 134 |                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stderr]     |                                                            ^              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 134 -                         let display_px = &mut self.display[(y as usize + i)][(x as usize + j)];
[INFO] [stderr] 134 +                         let display_px = &mut self.display[y as usize + i ][(x as usize + j)];
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/interpreter/instruction.rs:23:14
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Shr(Reg, Reg),      //8xy6, Vx = Vy >> 1
[INFO] [stderr]    |     ---      ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 23 -     Shr(Reg, Reg),      //8xy6, Vx = Vy >> 1
[INFO] [stderr] 23 +     Shr(Reg, ()),      //8xy6, Vx = Vy >> 1
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/interpreter/instruction.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Shl(Reg, Reg),      //8xyE, Vx = Vy << 1
[INFO] [stderr]    |     ---      ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 25 -     Shl(Reg, Reg),      //8xyE, Vx = Vy << 1
[INFO] [stderr] 25 +     Shl(Reg, ()),      //8xyE, Vx = Vy << 1
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rs118-chip8` (bin "rs118-chip8" test) generated 4 warnings (run `cargo fix --bin "rs118-chip8" -p rs118-chip8 --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rs118_chip8-55c8af725c616f9f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test interpreter::test::test_nop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b0e53fda0cf5e948c6a07832310a69057fdff233861ec3ce8e7d1609693995e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0e53fda0cf5e948c6a07832310a69057fdff233861ec3ce8e7d1609693995e", kill_on_drop: false }`
[INFO] [stdout] 8b0e53fda0cf5e948c6a07832310a69057fdff233861ec3ce8e7d1609693995e
