[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]    44b8051..6b7a062  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b7a062ac08c1fa38bf5e867474840c21314c30e
[INFO] checking stianeklund/z80-rs against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2Fz80-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stianeklund/z80-rs on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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-5/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" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cafe8c6beadb8ddd735e868234223edbc169e92090ab5b479cc8ffdd34086fa1
[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" "cafe8c6beadb8ddd735e868234223edbc169e92090ab5b479cc8ffdd34086fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cafe8c6beadb8ddd735e868234223edbc169e92090ab5b479cc8ffdd34086fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafe8c6beadb8ddd735e868234223edbc169e92090ab5b479cc8ffdd34086fa1", kill_on_drop: false }`
[INFO] [stdout] cafe8c6beadb8ddd735e868234223edbc169e92090ab5b479cc8ffdd34086fa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5509fc40a23e58598c0494d2777e80f66c4f39203b9809372fde6ac574e6011
[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" "f5509fc40a23e58598c0494d2777e80f66c4f39203b9809372fde6ac574e6011", 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:4:57
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use crate::instruction_info::Register::{BC, DE, HL, IXH};
[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:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     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 2.12s
[INFO] running `Command { std: "docker" "inspect" "f5509fc40a23e58598c0494d2777e80f66c4f39203b9809372fde6ac574e6011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5509fc40a23e58598c0494d2777e80f66c4f39203b9809372fde6ac574e6011", kill_on_drop: false }`
[INFO] [stdout] f5509fc40a23e58598c0494d2777e80f66c4f39203b9809372fde6ac574e6011