[INFO] cloning repository https://github.com/MatthewMcDade13/rusty-i8080
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MatthewMcDade13/rusty-i8080" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewMcDade13%2Frusty-i8080", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewMcDade13%2Frusty-i8080'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6b099dfb845f3152e1709d40d505ba49831ce23
[INFO] checking MatthewMcDade13/rusty-i8080 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewMcDade13%2Frusty-i8080" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MatthewMcDade13/rusty-i8080 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MatthewMcDade13/rusty-i8080
[INFO] finished tweaking git repo https://github.com/MatthewMcDade13/rusty-i8080
[INFO] tweaked toml for git repo https://github.com/MatthewMcDade13/rusty-i8080 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/MatthewMcDade13/rusty-i8080 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 031b922981d784207df7f03845a973aa7a397bc238103d90e01a38eaedd9e3be
[INFO] running `Command { std: "docker" "start" "-a" "031b922981d784207df7f03845a973aa7a397bc238103d90e01a38eaedd9e3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "031b922981d784207df7f03845a973aa7a397bc238103d90e01a38eaedd9e3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "031b922981d784207df7f03845a973aa7a397bc238103d90e01a38eaedd9e3be", kill_on_drop: false }`
[INFO] [stdout] 031b922981d784207df7f03845a973aa7a397bc238103d90e01a38eaedd9e3be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46b6bbcc537cb5e5cb2ae8926b269e6b96cf719caf246f10a1348288932dc596
[INFO] running `Command { std: "docker" "start" "-a" "46b6bbcc537cb5e5cb2ae8926b269e6b96cf719caf246f10a1348288932dc596", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rusty-i8080 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Instruction`
[INFO] [stdout]  --> src/cpu.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use opcode::{Instruction, OpcodeTable};
[INFO] [stdout]   |              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/cpu.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instruction`
[INFO] [stdout]  --> src/cpu.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use opcode::{Instruction, OpcodeTable};
[INFO] [stdout]   |              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/cpu.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]    --> src/opcode.rs:423:29
[INFO] [stdout]     |
[INFO] [stdout] 423 |             func_ptr: |cpu, b2, b3| { 
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]    --> src/opcode.rs:423:29
[INFO] [stdout]     |
[INFO] [stdout] 423 |             func_ptr: |cpu, b2, b3| { 
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b3`
[INFO] [stdout]    --> src/opcode.rs:423:33
[INFO] [stdout]     |
[INFO] [stdout] 423 |             func_ptr: |cpu, b2, b3| { 
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_b3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b3`
[INFO] [stdout]    --> src/opcode.rs:423:33
[INFO] [stdout]     |
[INFO] [stdout] 423 |             func_ptr: |cpu, b2, b3| { 
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_b3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sign_flag`
[INFO] [stdout]    --> src/cpu.rs:330:21
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub(crate) const fn sign_flag(n: u16) -> bool {
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `carry_flag`
[INFO] [stdout]    --> src/cpu.rs:334:21
[INFO] [stdout]     |
[INFO] [stdout] 334 | pub(crate) const fn carry_flag(n: u16) -> bool {
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sign_flag`
[INFO] [stdout]    --> src/cpu.rs:330:21
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub(crate) const fn sign_flag(n: u16) -> bool {
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `carry_flag`
[INFO] [stdout]    --> src/cpu.rs:334:21
[INFO] [stdout]     |
[INFO] [stdout] 334 | pub(crate) const fn carry_flag(n: u16) -> bool {
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> examples/invaders.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let f = cpu::read_file("invaders_rom/invaders.h")?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fun`
[INFO] [stdout]  --> examples/invaders.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn fun(h: u8, l: u8) {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `register_pair`
[INFO] [stdout]   --> examples/invaders.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | const fn register_pair(high: u8, low: u8) -> u16 {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "46b6bbcc537cb5e5cb2ae8926b269e6b96cf719caf246f10a1348288932dc596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b6bbcc537cb5e5cb2ae8926b269e6b96cf719caf246f10a1348288932dc596", kill_on_drop: false }`
[INFO] [stdout] 46b6bbcc537cb5e5cb2ae8926b269e6b96cf719caf246f10a1348288932dc596