[INFO] cloning repository https://github.com/hnrbs/6502
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hnrbs/6502" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrbs%2F6502", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrbs%2F6502'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5ebb6361e7c892e0e07fa3621902475087d3a76
[INFO] checking hnrbs/6502 against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrbs%2F6502" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hnrbs/6502
[INFO] finished tweaking git repo https://github.com/hnrbs/6502
[INFO] tweaked toml for git repo https://github.com/hnrbs/6502 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hnrbs/6502 on toolchain 70daa2c0d8eed7066b07966f3c0b0b8622bff4e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hnrbs/6502 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" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac6ad740bce192d06f2ba77bf9a4690cae3e0a09f92a08420c6f402d3da8939f
[INFO] running `Command { std: "docker" "start" "-a" "ac6ad740bce192d06f2ba77bf9a4690cae3e0a09f92a08420c6f402d3da8939f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6ad740bce192d06f2ba77bf9a4690cae3e0a09f92a08420c6f402d3da8939f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6ad740bce192d06f2ba77bf9a4690cae3e0a09f92a08420c6f402d3da8939f", kill_on_drop: false }`
[INFO] [stdout] ac6ad740bce192d06f2ba77bf9a4690cae3e0a09f92a08420c6f402d3da8939f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1de41cb547845d1877515e21e7a02407c025f4bcadfd71a985c9fbb370d4131c
[INFO] running `Command { std: "docker" "start" "-a" "1de41cb547845d1877515e21e7a02407c025f4bcadfd71a985c9fbb370d4131c", kill_on_drop: false }`
[INFO] [stderr]     Checking mos6502 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct CPU {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout]  6 |     memory: Box<dyn Bus>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  7 |
[INFO] [stdout]  8 |     accumulator: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]  9 |     x: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     y: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     program_counter: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     stack_pointer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     status: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Flag` is never used
[INFO] [stdout]   --> src/lib.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Flag {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `position` is never used
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Flag {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 27 |     fn position(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_status` is never used
[INFO] [stdout]   --> src/lib.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl CPU {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 41 |     fn set_status(&mut self, flag: Flag, value: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_u8` and `write_u8` are never used
[INFO] [stdout]  --> src/memory.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Bus {
[INFO] [stdout]   |           --- methods in this trait
[INFO] [stdout] 2 |     fn read_u8(&self, address: u16) -> u8;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 3 |     fn write_u8(&mut self, address: u16, value: u8);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/memory.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Memory([u8; SIZE]);
[INFO] [stdout]   |            ------ ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct CPU {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout]  6 |     memory: Box<dyn Bus>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  7 |
[INFO] [stdout]  8 |     accumulator: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]  9 |     x: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     y: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     program_counter: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     stack_pointer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     status: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Flag` is never used
[INFO] [stdout]   --> src/lib.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Flag {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `position` is never used
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Flag {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 27 |     fn position(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_status` is never used
[INFO] [stdout]   --> src/lib.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl CPU {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 41 |     fn set_status(&mut self, flag: Flag, value: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_u8` and `write_u8` are never used
[INFO] [stdout]  --> src/memory.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Bus {
[INFO] [stdout]   |           --- methods in this trait
[INFO] [stdout] 2 |     fn read_u8(&self, address: u16) -> u8;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 3 |     fn write_u8(&mut self, address: u16, value: u8);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/memory.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Memory([u8; SIZE]);
[INFO] [stdout]   |            ------ ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "1de41cb547845d1877515e21e7a02407c025f4bcadfd71a985c9fbb370d4131c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de41cb547845d1877515e21e7a02407c025f4bcadfd71a985c9fbb370d4131c", kill_on_drop: false }`
[INFO] [stdout] 1de41cb547845d1877515e21e7a02407c025f4bcadfd71a985c9fbb370d4131c