[INFO] cloning repository https://github.com/naari3/emu6502
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naari3/emu6502" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaari3%2Femu6502", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaari3%2Femu6502'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4815180fa6cea60e22e4b493d4926d3bcb88f47
[INFO] checking naari3/emu6502 against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaari3%2Femu6502" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naari3/emu6502 on toolchain f2d69d5a7c04617d122facd0a7a5bdde0af928ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/naari3/emu6502
[INFO] finished tweaking git repo https://github.com/naari3/emu6502
[INFO] tweaked toml for git repo https://github.com/naari3/emu6502 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/naari3/emu6502 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" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a66b5422d247785500745521c4ba7efe86bf5bb0c67cfdf2709d62833fb05acb
[INFO] running `Command { std: "docker" "start" "-a" "a66b5422d247785500745521c4ba7efe86bf5bb0c67cfdf2709d62833fb05acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a66b5422d247785500745521c4ba7efe86bf5bb0c67cfdf2709d62833fb05acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66b5422d247785500745521c4ba7efe86bf5bb0c67cfdf2709d62833fb05acb", kill_on_drop: false }`
[INFO] [stdout] a66b5422d247785500745521c4ba7efe86bf5bb0c67cfdf2709d62833fb05acb
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 048fcdf3309d7a9196c5df79c2be20746767d2290ff456fbbf3231177317703e
[INFO] running `Command { std: "docker" "start" "-a" "048fcdf3309d7a9196c5df79c2be20746767d2290ff456fbbf3231177317703e", kill_on_drop: false }`
[INFO] [stderr]     Checking emu6502 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]    --> src/instruction.rs:250:56
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub struct OpCode(pub Instruction, pub AddressingMode, Officiality);
[INFO] [stdout]     |            ------ field in this struct                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `OpCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]    --> src/instruction.rs:250:56
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub struct OpCode(pub Instruction, pub AddressingMode, Officiality);
[INFO] [stdout]     |            ------ field in this struct                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `OpCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_byte_without_effect` is never used
[INFO] [stdout]  --> src/ram.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait MemIO {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 6 |     fn read_byte(&mut self, address: usize) -> u8;
[INFO] [stdout] 7 |     fn read_byte_without_effect(&mut self, address: usize) -> u8;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]    --> src/instruction.rs:250:56
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub struct OpCode(pub Instruction, pub AddressingMode, Officiality);
[INFO] [stdout]     |            ------ field in this struct                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `OpCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]    --> src/instruction.rs:250:56
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub struct OpCode(pub Instruction, pub AddressingMode, Officiality);
[INFO] [stdout]     |            ------ field in this struct                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `OpCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_byte_without_effect` is never used
[INFO] [stdout]  --> src/ram.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait MemIO {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 6 |     fn read_byte(&mut self, address: usize) -> u8;
[INFO] [stdout] 7 |     fn read_byte_without_effect(&mut self, address: usize) -> u8;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "048fcdf3309d7a9196c5df79c2be20746767d2290ff456fbbf3231177317703e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048fcdf3309d7a9196c5df79c2be20746767d2290ff456fbbf3231177317703e", kill_on_drop: false }`
[INFO] [stdout] 048fcdf3309d7a9196c5df79c2be20746767d2290ff456fbbf3231177317703e