[INFO] cloning repository https://github.com/lars-t-hansen/z80emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lars-t-hansen/z80emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flars-t-hansen%2Fz80emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flars-t-hansen%2Fz80emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22d4069945bed32b3e0a35fc2905854bc0697d19
[INFO] checking lars-t-hansen/z80emu against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flars-t-hansen%2Fz80emu" "/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/lars-t-hansen/z80emu on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lars-t-hansen/z80emu
[INFO] finished tweaking git repo https://github.com/lars-t-hansen/z80emu
[INFO] tweaked toml for git repo https://github.com/lars-t-hansen/z80emu written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/lars-t-hansen/z80emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d03a3a7c6f1f89fb809f43e845aac4addb6f924fe857736a09eb791196b9968
[INFO] running `Command { std: "docker" "start" "-a" "0d03a3a7c6f1f89fb809f43e845aac4addb6f924fe857736a09eb791196b9968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d03a3a7c6f1f89fb809f43e845aac4addb6f924fe857736a09eb791196b9968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d03a3a7c6f1f89fb809f43e845aac4addb6f924fe857736a09eb791196b9968", kill_on_drop: false }`
[INFO] [stdout] 0d03a3a7c6f1f89fb809f43e845aac4addb6f924fe857736a09eb791196b9968
[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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdb1a41eb95275421feb5a90bfd78380486d4567ee0a22e5dc35e8a70f684f1b
[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" "cdb1a41eb95275421feb5a90bfd78380486d4567ee0a22e5dc35e8a70f684f1b", kill_on_drop: false }`
[INFO] [stderr]     Checking z80emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/z80.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     macro_rules! set_bc { ($v:ident) => { set16!(b, c, $v); } }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/z80.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     macro_rules! set_de { ($v:ident) => { set16!(d, e, $v); } }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/z80.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     macro_rules! set_sp { ($v:ident) => { sp_ = $v; } }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/file_backed_spinning_disk.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |     tty:   &'a mut TTY,
[INFO] [stdout]    |                    ^^^ help: use `dyn`: `dyn TTY`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     dsk_a: &'a mut SpinningDisk,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn SpinningDisk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/z80.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     macro_rules! set_bc { ($v:ident) => { set16!(b, c, $v); } }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/z80.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     macro_rules! set_de { ($v:ident) => { set16!(d, e, $v); } }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/z80.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     macro_rules! set_sp { ($v:ident) => { sp_ = $v; } }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/file_backed_spinning_disk.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |     tty:   &'a mut TTY,
[INFO] [stdout]    |                    ^^^ help: use `dyn`: `dyn TTY`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     dsk_a: &'a mut SpinningDisk,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn SpinningDisk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 342 |             0x80 => { add_a_r!(b); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 343 |             0x81 => { add_a_r!(c); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 344 |             0x82 => { add_a_r!(d); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 345 |             0x83 => { add_a_r!(e); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 346 |             0x84 => { add_a_r!(h); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 347 |             0x85 => { add_a_r!(l); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 348 |             0x86 => { let n = at_hl!(); add_a_r!(n); }
[INFO] [stdout]     |                                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 349 |             0x87 => { add_a_r!(a); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 350 |             0x88 => { adc_a_r!(b); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 351 |             0x89 => { adc_a_r!(c); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 352 |             0x8A => { adc_a_r!(d); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 353 |             0x8B => { adc_a_r!(e); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 354 |             0x8C => { adc_a_r!(h); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 355 |             0x8D => { adc_a_r!(l); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 356 |             0x8E => { let n = at_hl!(); adc_a_r!(n); }
[INFO] [stdout]     |                                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 357 |             0x8F => { adc_a_r!(a); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 358 |             0xA0 => { and_a_r!(b); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 359 |             0xA1 => { and_a_r!(c); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 360 |             0xA2 => { and_a_r!(d); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 361 |             0xA3 => { and_a_r!(e); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 362 |             0xA4 => { and_a_r!(h); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 363 |             0xA5 => { and_a_r!(l); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 364 |             0xA6 => { let n = at_hl!(); and_a_r!(n); }
[INFO] [stdout]     |                                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 365 |             0xA7 => { and_a_r!(a); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 367 |             0xC6 => { let n = byte!(); add_a_r!(n); }
[INFO] [stdout]     |                                        ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 381 |             0xCE => { let n = byte!(); adc_a_r!(n); }
[INFO] [stdout]     |                                        ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 414 |                     0x86 => { op_a_ixd!(add_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 415 |                     0x8E => { op_a_ixd!(adc_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 416 |                     0xA6 => { op_a_ixd!(and_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 420 |             0xE6 => { let n = byte!(); and_a_r!(n); }
[INFO] [stdout]     |                                        ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 427 |                     0x4A => { adc_hl_ss!(bc); }
[INFO] [stdout]     |                               --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 428 |                     0x5A => { adc_hl_ss!(de); }
[INFO] [stdout]     |                               --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 429 |                     0x6A => { adc_hl_ss!(hl); }
[INFO] [stdout]     |                               --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 430 |                     0x7A => { adc_hl_ss!(sp); }
[INFO] [stdout]     |                               --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 448 |                     0x86 => { op_a_iyd!(add_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 449 |                     0x8E => { op_a_iyd!(adc_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 450 |                     0xA6 => { op_a_iyd!(and_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]    --> src/file_backed_spinning_disk.rs:143:32
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn write_sector(&mut self, mem: &mut [u8]) {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 342 |             0x80 => { add_a_r!(b); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 343 |             0x81 => { add_a_r!(c); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 344 |             0x82 => { add_a_r!(d); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 345 |             0x83 => { add_a_r!(e); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 346 |             0x84 => { add_a_r!(h); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 347 |             0x85 => { add_a_r!(l); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 348 |             0x86 => { let n = at_hl!(); add_a_r!(n); }
[INFO] [stdout]     |                                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 349 |             0x87 => { add_a_r!(a); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 350 |             0x88 => { adc_a_r!(b); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 351 |             0x89 => { adc_a_r!(c); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 352 |             0x8A => { adc_a_r!(d); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 353 |             0x8B => { adc_a_r!(e); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 354 |             0x8C => { adc_a_r!(h); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 355 |             0x8D => { adc_a_r!(l); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 356 |             0x8E => { let n = at_hl!(); adc_a_r!(n); }
[INFO] [stdout]     |                                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 357 |             0x8F => { adc_a_r!(a); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 358 |             0xA0 => { and_a_r!(b); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 359 |             0xA1 => { and_a_r!(c); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 360 |             0xA2 => { and_a_r!(d); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 361 |             0xA3 => { and_a_r!(e); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 362 |             0xA4 => { and_a_r!(h); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 363 |             0xA5 => { and_a_r!(l); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 364 |             0xA6 => { let n = at_hl!(); and_a_r!(n); }
[INFO] [stdout]     |                                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 365 |             0xA7 => { and_a_r!(a); }
[INFO] [stdout]     |                       ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 367 |             0xC6 => { let n = byte!(); add_a_r!(n); }
[INFO] [stdout]     |                                        ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 381 |             0xCE => { let n = byte!(); adc_a_r!(n); }
[INFO] [stdout]     |                                        ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 414 |                     0x86 => { op_a_ixd!(add_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 415 |                     0x8E => { op_a_ixd!(adc_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 416 |                     0xA6 => { op_a_ixd!(and_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 420 |             0xE6 => { let n = byte!(); and_a_r!(n); }
[INFO] [stdout]     |                                        ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 427 |                     0x4A => { adc_hl_ss!(bc); }
[INFO] [stdout]     |                               --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 428 |                     0x5A => { adc_hl_ss!(de); }
[INFO] [stdout]     |                               --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 429 |                     0x6A => { adc_hl_ss!(hl); }
[INFO] [stdout]     |                               --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 430 |                     0x7A => { adc_hl_ss!(sp); }
[INFO] [stdout]     |                               --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 448 |                     0x86 => { op_a_iyd!(add_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 449 |                     0x8E => { op_a_iyd!(adc_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `f` is never read
[INFO] [stdout]    --> src/z80.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             f &= UNUSED_FLAGS;
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 450 |                     0xA6 => { op_a_iyd!(and_a_r); }
[INFO] [stdout]     |                               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]    --> src/file_backed_spinning_disk.rs:143:32
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn write_sector(&mut self, mem: &mut [u8]) {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/z80.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut sp_ = z80.sp;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/z80.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut sp_ = z80.sp;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NEG_FLAG`
[INFO] [stdout]   --> src/z80.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | const NEG_FLAG: u8 = 0x02;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NEG_SHIFT`
[INFO] [stdout]   --> src/z80.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | const NEG_SHIFT: u8 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OVERFLOW_FLAG`
[INFO] [stdout]   --> src/z80.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | const OVERFLOW_FLAG: u8 = 0x04;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OVERFLOW_SHIFT`
[INFO] [stdout]   --> src/z80.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | const OVERFLOW_SHIFT: u8 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PARITY_SHIFT`
[INFO] [stdout]   --> src/z80.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | const PARITY_SHIFT: u8 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HALF_SHIFT`
[INFO] [stdout]   --> src/z80.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | const HALF_SHIFT: u8 = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ZERO_SHIFT`
[INFO] [stdout]   --> src/z80.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | const ZERO_SHIFT: u8 = 6;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIGN_SHIFT`
[INFO] [stdout]   --> src/z80.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | const SIGN_SHIFT: u8 = 7;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NEG_FLAG`
[INFO] [stdout]   --> src/z80.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | const NEG_FLAG: u8 = 0x02;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NEG_SHIFT`
[INFO] [stdout]   --> src/z80.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | const NEG_SHIFT: u8 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OVERFLOW_FLAG`
[INFO] [stdout]   --> src/z80.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | const OVERFLOW_FLAG: u8 = 0x04;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OVERFLOW_SHIFT`
[INFO] [stdout]   --> src/z80.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | const OVERFLOW_SHIFT: u8 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PARITY_SHIFT`
[INFO] [stdout]   --> src/z80.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | const PARITY_SHIFT: u8 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HALF_SHIFT`
[INFO] [stdout]   --> src/z80.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | const HALF_SHIFT: u8 = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ZERO_SHIFT`
[INFO] [stdout]   --> src/z80.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | const ZERO_SHIFT: u8 = 6;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIGN_SHIFT`
[INFO] [stdout]   --> src/z80.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | const SIGN_SHIFT: u8 = 7;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "cdb1a41eb95275421feb5a90bfd78380486d4567ee0a22e5dc35e8a70f684f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb1a41eb95275421feb5a90bfd78380486d4567ee0a22e5dc35e8a70f684f1b", kill_on_drop: false }`
[INFO] [stdout] cdb1a41eb95275421feb5a90bfd78380486d4567ee0a22e5dc35e8a70f684f1b