[INFO] updating cached repository https://github.com/stianeklund/z80-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/stianeklund/z80-rs
[INFO] [stderr]    6b7a062..596d4ce  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 596d4ceb1687207ed17f051e995f5601c0e2bb29
[INFO] checking stianeklund/z80-rs against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2Fz80-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stianeklund/z80-rs on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stianeklund/z80-rs
[INFO] finished tweaking git repo https://github.com/stianeklund/z80-rs
[INFO] tweaked toml for git repo https://github.com/stianeklund/z80-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/stianeklund/z80-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd45e540c573e136abf5285157f75f347c956cca9a0baba0fa902a80121ca3b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd45e540c573e136abf5285157f75f347c956cca9a0baba0fa902a80121ca3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd45e540c573e136abf5285157f75f347c956cca9a0baba0fa902a80121ca3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd45e540c573e136abf5285157f75f347c956cca9a0baba0fa902a80121ca3b7", kill_on_drop: false }`
[INFO] [stdout] dd45e540c573e136abf5285157f75f347c956cca9a0baba0fa902a80121ca3b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aa3124d36f81c3d12c0abcd2eaf0e05d3d1bcec465a5b4237d84aebe5172346
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5aa3124d36f81c3d12c0abcd2eaf0e05d3d1bcec465a5b4237d84aebe5172346", kill_on_drop: false }`
[INFO] [stderr]     Checking z80-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Cpu`, `Registers`
[INFO] [stdout]  --> src/memory.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::{Cpu, Registers};
[INFO] [stdout]   |                  ^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IXH`
[INFO] [stdout]  --> src/cpu_tests.rs:4:61
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use crate::instruction_info::Register::{BC, DE, HL, IX, IXH, IY, R, SP};
[INFO] [stdout]   |                                                             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cpu`, `Registers`
[INFO] [stdout]  --> src/memory.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::{Cpu, Registers};
[INFO] [stdout]   |                  ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/cpu.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     output: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/cpu.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     output: 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: `all_tests`
[INFO] [stdout]   --> src/cpu_tests.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn all_tests() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "5aa3124d36f81c3d12c0abcd2eaf0e05d3d1bcec465a5b4237d84aebe5172346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa3124d36f81c3d12c0abcd2eaf0e05d3d1bcec465a5b4237d84aebe5172346", kill_on_drop: false }`
[INFO] [stdout] 5aa3124d36f81c3d12c0abcd2eaf0e05d3d1bcec465a5b4237d84aebe5172346