[INFO] cloning repository https://github.com/christ776/Rust-Z80
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christ776/Rust-Z80" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrist776%2FRust-Z80", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrist776%2FRust-Z80'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e37d8a0d10959f7ef880d42b63b6b5a02d70ce2c
[INFO] testing christ776/Rust-Z80 against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrist776%2FRust-Z80" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christ776/Rust-Z80 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christ776/Rust-Z80
[INFO] finished tweaking git repo https://github.com/christ776/Rust-Z80
[INFO] tweaked toml for git repo https://github.com/christ776/Rust-Z80 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/christ776/Rust-Z80 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00530dc2199e46c72d6f6ddf486d2035fa2696fc0c2576d42c21838a26107b08
[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" "00530dc2199e46c72d6f6ddf486d2035fa2696fc0c2576d42c21838a26107b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00530dc2199e46c72d6f6ddf486d2035fa2696fc0c2576d42c21838a26107b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00530dc2199e46c72d6f6ddf486d2035fa2696fc0c2576d42c21838a26107b08", kill_on_drop: false }`
[INFO] [stdout] 00530dc2199e46c72d6f6ddf486d2035fa2696fc0c2576d42c21838a26107b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35e9706bf45303ad8c33d240caa46f6dd2dce844f8c40598f13be2a83443d3f5
[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" "35e9706bf45303ad8c33d240caa46f6dd2dce844f8c40598f13be2a83443d3f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling Z80 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/z80.rs:323:25
[INFO] [stdout]     |
[INFO] [stdout] 323 |   pub fn out(&mut self, op: u8) {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]    --> src/z80.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let mut s = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reg` is never read
[INFO] [stdout]    --> src/z80.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |     let mut reg = 0;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `r` is assigned to, but never used
[INFO] [stdout]    --> src/z80.rs:616:9
[INFO] [stdout]     |
[INFO] [stdout] 616 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_r` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         r = self.a as u8;
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/z80.rs:807:9
[INFO] [stdout]     |
[INFO] [stdout] 807 |     let mut n = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:842:11
[INFO] [stdout]     |
[INFO] [stdout] 842 |       let mut r = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/z80.rs:886:11
[INFO] [stdout]     |
[INFO] [stdout] 886 |       let mut res: u16 = 0;
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:887:11
[INFO] [stdout]     |
[INFO] [stdout] 887 |       let mut r: u8 = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]     --> src/z80.rs:1063:27
[INFO] [stdout]      |
[INFO] [stdout] 1063 |   pub fn sub_n(&mut self, op: u8) {
[INFO] [stdout]      |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1214:11
[INFO] [stdout]      |
[INFO] [stdout] 1214 |       let mut result: i8 = 0;
[INFO] [stdout]      |           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1243:9
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     let mut result = 0;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]     --> src/z80.rs:1419:11
[INFO] [stdout]      |
[INFO] [stdout] 1419 |       let mut r = 0;
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:305:47
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:345:42
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:361:42
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:391:41
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:436:65
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:610:41
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:622:41
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:667:41
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:701:41
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:720:41
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:756:41
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1105:41
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1206:45
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1274:42
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1345:45
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1381:41
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1442:45
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1669:45
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1718:42
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Z80` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `z80`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/z80.rs:323:25
[INFO] [stdout]     |
[INFO] [stdout] 323 |   pub fn out(&mut self, op: u8) {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]    --> src/z80.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let mut s = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reg` is never read
[INFO] [stdout]    --> src/z80.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |     let mut reg = 0;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `r` is assigned to, but never used
[INFO] [stdout]    --> src/z80.rs:616:9
[INFO] [stdout]     |
[INFO] [stdout] 616 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_r` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         r = self.a as u8;
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/z80.rs:807:9
[INFO] [stdout]     |
[INFO] [stdout] 807 |     let mut n = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:842:11
[INFO] [stdout]     |
[INFO] [stdout] 842 |       let mut r = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/z80.rs:886:11
[INFO] [stdout]     |
[INFO] [stdout] 886 |       let mut res: u16 = 0;
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:887:11
[INFO] [stdout]     |
[INFO] [stdout] 887 |       let mut r: u8 = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]     --> src/z80.rs:1063:27
[INFO] [stdout]      |
[INFO] [stdout] 1063 |   pub fn sub_n(&mut self, op: u8) {
[INFO] [stdout]      |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1214:11
[INFO] [stdout]      |
[INFO] [stdout] 1214 |       let mut result: i8 = 0;
[INFO] [stdout]      |           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1243:9
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     let mut result = 0;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]     --> src/z80.rs:1419:11
[INFO] [stdout]      |
[INFO] [stdout] 1419 |       let mut r = 0;
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cpm_bdos`
[INFO] [stdout]   --> src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn cpm_bdos(cpu: &mut Z80) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:305:47
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:345:42
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:361:42
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:391:41
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:436:65
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:610:41
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:622:41
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:667:41
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:701:41
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:720:41
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:756:41
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1105:41
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1206:45
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1274:42
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1345:45
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1381:41
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1442:45
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1669:45
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1718:42
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "35e9706bf45303ad8c33d240caa46f6dd2dce844f8c40598f13be2a83443d3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e9706bf45303ad8c33d240caa46f6dd2dce844f8c40598f13be2a83443d3f5", kill_on_drop: false }`
[INFO] [stdout] 35e9706bf45303ad8c33d240caa46f6dd2dce844f8c40598f13be2a83443d3f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eac5a2231fc8ed18ec39d756a5bbe9a376c2478a32b0e779d27db610ac2eb85d
[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" "eac5a2231fc8ed18ec39d756a5bbe9a376c2478a32b0e779d27db610ac2eb85d", kill_on_drop: false }`
[INFO] [stderr]    Compiling Z80 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/z80.rs:323:25
[INFO] [stdout]     |
[INFO] [stdout] 323 |   pub fn out(&mut self, op: u8) {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]    --> src/z80.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let mut s = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reg` is never read
[INFO] [stdout]    --> src/z80.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |     let mut reg = 0;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `r` is assigned to, but never used
[INFO] [stdout]    --> src/z80.rs:616:9
[INFO] [stdout]     |
[INFO] [stdout] 616 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_r` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         r = self.a as u8;
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/z80.rs:807:9
[INFO] [stdout]     |
[INFO] [stdout] 807 |     let mut n = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:842:11
[INFO] [stdout]     |
[INFO] [stdout] 842 |       let mut r = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/z80.rs:886:11
[INFO] [stdout]     |
[INFO] [stdout] 886 |       let mut res: u16 = 0;
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:887:11
[INFO] [stdout]     |
[INFO] [stdout] 887 |       let mut r: u8 = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]     --> src/z80.rs:1063:27
[INFO] [stdout]      |
[INFO] [stdout] 1063 |   pub fn sub_n(&mut self, op: u8) {
[INFO] [stdout]      |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1214:11
[INFO] [stdout]      |
[INFO] [stdout] 1214 |       let mut result: i8 = 0;
[INFO] [stdout]      |           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1243:9
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     let mut result = 0;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]     --> src/z80.rs:1419:11
[INFO] [stdout]      |
[INFO] [stdout] 1419 |       let mut r = 0;
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:305:47
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:345:42
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:361:42
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:391:41
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:436:65
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:610:41
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:622:41
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:667:41
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:701:41
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:720:41
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:756:41
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1105:41
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1206:45
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1274:42
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1345:45
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1381:41
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1442:45
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1669:45
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1718:42
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Z80` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `z80`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/z80.rs:323:25
[INFO] [stdout]     |
[INFO] [stdout] 323 |   pub fn out(&mut self, op: u8) {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]    --> src/z80.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let mut s = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reg` is never read
[INFO] [stdout]    --> src/z80.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |     let mut reg = 0;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `r` is assigned to, but never used
[INFO] [stdout]    --> src/z80.rs:616:9
[INFO] [stdout]     |
[INFO] [stdout] 616 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_r` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         r = self.a as u8;
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/z80.rs:807:9
[INFO] [stdout]     |
[INFO] [stdout] 807 |     let mut n = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:842:11
[INFO] [stdout]     |
[INFO] [stdout] 842 |       let mut r = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/z80.rs:886:11
[INFO] [stdout]     |
[INFO] [stdout] 886 |       let mut res: u16 = 0;
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:887:11
[INFO] [stdout]     |
[INFO] [stdout] 887 |       let mut r: u8 = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]     --> src/z80.rs:1063:27
[INFO] [stdout]      |
[INFO] [stdout] 1063 |   pub fn sub_n(&mut self, op: u8) {
[INFO] [stdout]      |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1214:11
[INFO] [stdout]      |
[INFO] [stdout] 1214 |       let mut result: i8 = 0;
[INFO] [stdout]      |           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1243:9
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     let mut result = 0;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]     --> src/z80.rs:1419:11
[INFO] [stdout]      |
[INFO] [stdout] 1419 |       let mut r = 0;
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cpm_bdos`
[INFO] [stdout]   --> src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn cpm_bdos(cpu: &mut Z80) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:305:47
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:345:42
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:361:42
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:391:41
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:436:65
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:610:41
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:622:41
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:667:41
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:701:41
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:720:41
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:756:41
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1105:41
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1206:45
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1274:42
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1345:45
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1381:41
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1442:45
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1669:45
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1718:42
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/z80.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/z80.rs:323:25
[INFO] [stdout]     |
[INFO] [stdout] 323 |   pub fn out(&mut self, op: u8) {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]    --> src/z80.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let mut s = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reg` is never read
[INFO] [stdout]    --> src/z80.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |     let mut reg = 0;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `r` is assigned to, but never used
[INFO] [stdout]    --> src/z80.rs:616:9
[INFO] [stdout]     |
[INFO] [stdout] 616 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_r` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         r = self.a as u8;
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/z80.rs:807:9
[INFO] [stdout]     |
[INFO] [stdout] 807 |     let mut n = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:842:11
[INFO] [stdout]     |
[INFO] [stdout] 842 |       let mut r = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/z80.rs:886:11
[INFO] [stdout]     |
[INFO] [stdout] 886 |       let mut res: u16 = 0;
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:887:11
[INFO] [stdout]     |
[INFO] [stdout] 887 |       let mut r: u8 = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]     --> src/z80.rs:1063:27
[INFO] [stdout]      |
[INFO] [stdout] 1063 |   pub fn sub_n(&mut self, op: u8) {
[INFO] [stdout]      |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1214:11
[INFO] [stdout]      |
[INFO] [stdout] 1214 |       let mut result: i8 = 0;
[INFO] [stdout]      |           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1243:9
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     let mut result = 0;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]     --> src/z80.rs:1419:11
[INFO] [stdout]      |
[INFO] [stdout] 1419 |       let mut r = 0;
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cpm_bdos`
[INFO] [stdout]   --> src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn cpm_bdos(cpu: &mut Z80) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:305:47
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:345:42
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:361:42
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:391:41
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:436:65
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:610:41
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:622:41
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:667:41
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:701:41
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:720:41
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:756:41
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1105:41
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1206:45
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1274:42
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1345:45
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1381:41
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1442:45
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1669:45
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1718:42
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/z80.rs:323:25
[INFO] [stdout]     |
[INFO] [stdout] 323 |   pub fn out(&mut self, op: u8) {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]    --> src/z80.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let mut s = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reg` is never read
[INFO] [stdout]    --> src/z80.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |     let mut reg = 0;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `r` is assigned to, but never used
[INFO] [stdout]    --> src/z80.rs:616:9
[INFO] [stdout]     |
[INFO] [stdout] 616 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_r` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         r = self.a as u8;
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/z80.rs:807:9
[INFO] [stdout]     |
[INFO] [stdout] 807 |     let mut n = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:842:11
[INFO] [stdout]     |
[INFO] [stdout] 842 |       let mut r = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/z80.rs:886:11
[INFO] [stdout]     |
[INFO] [stdout] 886 |       let mut res: u16 = 0;
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/z80.rs:887:11
[INFO] [stdout]     |
[INFO] [stdout] 887 |       let mut r: u8 = 0;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]     --> src/z80.rs:1063:27
[INFO] [stdout]      |
[INFO] [stdout] 1063 |   pub fn sub_n(&mut self, op: u8) {
[INFO] [stdout]      |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1214:11
[INFO] [stdout]      |
[INFO] [stdout] 1214 |       let mut result: i8 = 0;
[INFO] [stdout]      |           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]     --> src/z80.rs:1243:9
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     let mut result = 0;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]     --> src/z80.rs:1419:11
[INFO] [stdout]      |
[INFO] [stdout] 1419 |       let mut r = 0;
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 293 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:305:47
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 318 |         _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:345:42
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 345 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:361:42
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 361 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:391:41
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 391 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:436:65
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 436 |       _ => {  println!("op {:x}",op); panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:610:41
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 610 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:622:41
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 622 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:667:41
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 667 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:701:41
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 701 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:720:41
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 720 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/z80.rs:756:41
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stdout]     |                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 756 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1105:41
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1105 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1206:45
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1206 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1274:42
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1274 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1345:45
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1345 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1381:41
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1381 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1442:45
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1442 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1669:45
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                             ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1669 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/z80.rs:1718:42
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stdout]      |                                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stdout]      |                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1718 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Z80` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `z80`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "eac5a2231fc8ed18ec39d756a5bbe9a376c2478a32b0e779d27db610ac2eb85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac5a2231fc8ed18ec39d756a5bbe9a376c2478a32b0e779d27db610ac2eb85d", kill_on_drop: false }`
[INFO] [stdout] eac5a2231fc8ed18ec39d756a5bbe9a376c2478a32b0e779d27db610ac2eb85d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcac0f08ae9c86568d088f3275848c614edf47c27d89270fce6e271ff1cf12cb
[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" "dcac0f08ae9c86568d088f3275848c614edf47c27d89270fce6e271ff1cf12cb", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/z80.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/z80.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/z80.rs:323:25
[INFO] [stderr]     |
[INFO] [stderr] 323 |   pub fn out(&mut self, op: u8) {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |     let mut r = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]    --> src/z80.rs:356:9
[INFO] [stderr]     |
[INFO] [stderr] 356 |     let mut s = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `reg` is never read
[INFO] [stderr]    --> src/z80.rs:383:9
[INFO] [stderr]     |
[INFO] [stderr] 383 |     let mut reg = 0;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `r` is assigned to, but never used
[INFO] [stderr]    --> src/z80.rs:616:9
[INFO] [stderr]     |
[INFO] [stderr] 616 |     let mut r = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_r` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 |         r = self.a as u8;
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `n` is never read
[INFO] [stderr]    --> src/z80.rs:807:9
[INFO] [stderr]     |
[INFO] [stderr] 807 |     let mut n = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:842:11
[INFO] [stderr]     |
[INFO] [stderr] 842 |       let mut r = 0;
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/z80.rs:886:11
[INFO] [stderr]     |
[INFO] [stderr] 886 |       let mut res: u16 = 0;
[INFO] [stderr]     |           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:887:11
[INFO] [stderr]     |
[INFO] [stderr] 887 |       let mut r: u8 = 0;
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]     --> src/z80.rs:1063:27
[INFO] [stderr]      |
[INFO] [stderr] 1063 |   pub fn sub_n(&mut self, op: u8) {
[INFO] [stderr]      |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]     --> src/z80.rs:1214:11
[INFO] [stderr]      |
[INFO] [stderr] 1214 |       let mut result: i8 = 0;
[INFO] [stderr]      |           ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]     --> src/z80.rs:1243:9
[INFO] [stderr]      |
[INFO] [stderr] 1243 |     let mut result = 0;
[INFO] [stderr]      |         ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]     --> src/z80.rs:1419:11
[INFO] [stderr]      |
[INFO] [stderr] 1419 |       let mut r = 0;
[INFO] [stderr]      |           ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]     |                                               ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]     |                                                   ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:305:47
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]     |                                               ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]     |                                                   ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:318:43
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                               ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:345:42
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                          ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:361:42
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                          ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:391:41
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:436:65
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                                                     ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:610:41
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:622:41
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:667:41
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:701:41
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:720:41
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:756:41
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1105:41
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                         ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1206:45
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1274:42
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                          ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1345:45
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1381:41
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                         ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1442:45
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1669:45
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1718:42
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                          ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Z80` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `z80`
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/z80.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/z80.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/z80.rs:323:25
[INFO] [stderr]     |
[INFO] [stderr] 323 |   pub fn out(&mut self, op: u8) {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |     let mut r = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]    --> src/z80.rs:356:9
[INFO] [stderr]     |
[INFO] [stderr] 356 |     let mut s = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `reg` is never read
[INFO] [stderr]    --> src/z80.rs:383:9
[INFO] [stderr]     |
[INFO] [stderr] 383 |     let mut reg = 0;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `r` is assigned to, but never used
[INFO] [stderr]    --> src/z80.rs:616:9
[INFO] [stderr]     |
[INFO] [stderr] 616 |     let mut r = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_r` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 |         r = self.a as u8;
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `n` is never read
[INFO] [stderr]    --> src/z80.rs:807:9
[INFO] [stderr]     |
[INFO] [stderr] 807 |     let mut n = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:842:11
[INFO] [stderr]     |
[INFO] [stderr] 842 |       let mut r = 0;
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/z80.rs:886:11
[INFO] [stderr]     |
[INFO] [stderr] 886 |       let mut res: u16 = 0;
[INFO] [stderr]     |           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:887:11
[INFO] [stderr]     |
[INFO] [stderr] 887 |       let mut r: u8 = 0;
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]     --> src/z80.rs:1063:27
[INFO] [stderr]      |
[INFO] [stderr] 1063 |   pub fn sub_n(&mut self, op: u8) {
[INFO] [stderr]      |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]     --> src/z80.rs:1214:11
[INFO] [stderr]      |
[INFO] [stderr] 1214 |       let mut result: i8 = 0;
[INFO] [stderr]      |           ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]     --> src/z80.rs:1243:9
[INFO] [stderr]      |
[INFO] [stderr] 1243 |     let mut result = 0;
[INFO] [stderr]      |         ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]     --> src/z80.rs:1419:11
[INFO] [stderr]      |
[INFO] [stderr] 1419 |       let mut r = 0;
[INFO] [stderr]      |           ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]     |                                               ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]     |                                                   ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:305:47
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]     |                                               ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]     |                                                   ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:318:43
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                               ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:345:42
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                          ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:361:42
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                          ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:391:41
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:436:65
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                                                     ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:610:41
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:622:41
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stdout] 
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stdout] running 0 tests
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 622 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stdout] 
[INFO] [stderr]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stdout] 
[INFO] [stderr]    --> src/z80.rs:667:41
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 667 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:701:41
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:720:41
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:756:41
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1105:41
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                         ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1206:45
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1274:42
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                          ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1345:45
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1381:41
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                         ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1442:45
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1669:45
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1718:42
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                          ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Z80` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `z80`
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/z80.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/z80.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/z80.rs:323:25
[INFO] [stderr]     |
[INFO] [stderr] 323 |   pub fn out(&mut self, op: u8) {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |     let mut r = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]    --> src/z80.rs:356:9
[INFO] [stderr]     |
[INFO] [stderr] 356 |     let mut s = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `reg` is never read
[INFO] [stderr]    --> src/z80.rs:383:9
[INFO] [stderr]     |
[INFO] [stderr] 383 |     let mut reg = 0;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `r` is assigned to, but never used
[INFO] [stderr]    --> src/z80.rs:616:9
[INFO] [stderr]     |
[INFO] [stderr] 616 |     let mut r = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_r` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 |         r = self.a as u8;
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `n` is never read
[INFO] [stderr]    --> src/z80.rs:807:9
[INFO] [stderr]     |
[INFO] [stderr] 807 |     let mut n = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:842:11
[INFO] [stderr]     |
[INFO] [stderr] 842 |       let mut r = 0;
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/z80.rs:886:11
[INFO] [stderr]     |
[INFO] [stderr] 886 |       let mut res: u16 = 0;
[INFO] [stderr]     |           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:887:11
[INFO] [stderr]     |
[INFO] [stderr] 887 |       let mut r: u8 = 0;
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]     --> src/z80.rs:1063:27
[INFO] [stderr]      |
[INFO] [stderr] 1063 |   pub fn sub_n(&mut self, op: u8) {
[INFO] [stderr]      |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]     --> src/z80.rs:1214:11
[INFO] [stderr]      |
[INFO] [stderr] 1214 |       let mut result: i8 = 0;
[INFO] [stderr]      |           ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]     --> src/z80.rs:1243:9
[INFO] [stderr]      |
[INFO] [stderr] 1243 |     let mut result = 0;
[INFO] [stderr]      |         ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]     --> src/z80.rs:1419:11
[INFO] [stderr]      |
[INFO] [stderr] 1419 |       let mut r = 0;
[INFO] [stderr]      |           ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cpm_bdos`
[INFO] [stderr]   --> src/main.rs:73:4
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn cpm_bdos(cpu: &mut Z80) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]     |                                               ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]     |                                                   ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:305:47
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]     |                                               ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]     |                                                   ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:318:43
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                               ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:345:42
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                          ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:361:42
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                          ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:391:41
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:436:65
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                                                     ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:610:41
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:622:41
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:667:41
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:701:41
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:720:41
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:756:41
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1105:41
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                         ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1206:45
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1274:42
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                          ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1345:45
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1381:41
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                         ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1442:45
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1669:45
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1718:42
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                          ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/z80.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/z80.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/z80.rs:323:25
[INFO] [stderr]     |
[INFO] [stderr] 323 |   pub fn out(&mut self, op: u8) {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |     let mut r = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stdout] 
[INFO] [stderr]    --> src/z80.rs:356:9
[INFO] [stdout] running 10 tests
[INFO] [stderr]     |
[INFO] [stdout] test test_opcodes::test_add_r ... ok
[INFO] [stderr] 356 |     let mut s = 0;
[INFO] [stdout] test test_opcodes::test_add_r_2 ... ok
[INFO] [stderr]     |         ^^^^^
[INFO] [stdout] test test_opcodes::test_ld_ihl ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test_opcodes::test_ld_ihl_n ... ok
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stdout] test test_opcodes::test_jr_cc ... ok
[INFO] [stderr] 
[INFO] [stdout] test test_opcodes::test_push_pop ... ok
[INFO] [stderr] warning: value assigned to `reg` is never read
[INFO] [stdout] test test_opcodes::test_djnz ... ok
[INFO] [stderr]    --> src/z80.rs:383:9
[INFO] [stdout] test test_opcodes::test_call_ret ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test_opcodes::test_cp_r ... ok
[INFO] [stderr] 383 |     let mut reg = 0;
[INFO] [stdout] test test_opcodes::test_call_cc_ret_cc ... ok
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: variable `r` is assigned to, but never used
[INFO] [stderr]    --> src/z80.rs:616:9
[INFO] [stderr]     |
[INFO] [stderr] 616 |     let mut r = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_r` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 |         r = self.a as u8;
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `n` is never read
[INFO] [stderr]    --> src/z80.rs:807:9
[INFO] [stderr]     |
[INFO] [stderr] 807 |     let mut n = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:842:11
[INFO] [stderr]     |
[INFO] [stderr] 842 |       let mut r = 0;
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/z80.rs:886:11
[INFO] [stderr]     |
[INFO] [stderr] 886 |       let mut res: u16 = 0;
[INFO] [stderr]     |           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]    --> src/z80.rs:887:11
[INFO] [stderr]     |
[INFO] [stderr] 887 |       let mut r: u8 = 0;
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]     --> src/z80.rs:1063:27
[INFO] [stderr]      |
[INFO] [stderr] 1063 |   pub fn sub_n(&mut self, op: u8) {
[INFO] [stderr]      |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]     --> src/z80.rs:1214:11
[INFO] [stderr]      |
[INFO] [stderr] 1214 |       let mut result: i8 = 0;
[INFO] [stderr]      |           ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]     --> src/z80.rs:1243:9
[INFO] [stderr]      |
[INFO] [stderr] 1243 |     let mut result = 0;
[INFO] [stderr]      |         ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]     --> src/z80.rs:1419:11
[INFO] [stderr]      |
[INFO] [stderr] 1419 |       let mut r = 0;
[INFO] [stderr]      |           ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cpm_bdos`
[INFO] [stderr]   --> src/main.rs:73:4
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn cpm_bdos(cpu: &mut Z80) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]     |                                               ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]     |                                                   ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 293 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:305:47
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]     |                                               ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]     |                                                   ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 305 |             _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:318:43
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                               ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 318 |         _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:345:42
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                          ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 345 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:361:42
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                          ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 361 |        _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:391:41
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 391 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:436:65
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                                                     ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 436 |       _ => {  println!("op {:x}",op); panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:610:41
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 610 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:622:41
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 622 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:667:41
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 667 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:701:41
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 701 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:720:41
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 720 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/z80.rs:756:41
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("unknown cp/m call {}!"); },
[INFO] [stderr]     |                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("unknown cp/m call {}!", ...); },
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 756 |       _ => {  panic!("{}", "unknown cp/m call {}!"); },
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1105:41
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                         ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1105 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1206:45
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1206 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1274:42
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                          ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1274 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1345:45
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1345 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1381:41
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                         ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                             ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1381 |       _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1442:45
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1442 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1669:45
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                             ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1669 |           _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]     --> src/z80.rs:1718:42
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("unknown cp/m call {}!"); }
[INFO] [stderr]      |                                          ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("unknown cp/m call {}!", ...); }
[INFO] [stderr]      |                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1718 |        _ => {  panic!("{}", "unknown cp/m call {}!"); }
[INFO] [stderr]      |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Z80-9c9ba24e8a70e789
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Z80-295df0353f0fec1a
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_opcodes-16783232d4a4de5b
[INFO] [stderr]    Doc-tests Z80
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/z80.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     ((self.b as u8 as u16) << 8 as u16 | self.c as u8 as u16)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/z80.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     ((self.d as u8 as u16) << 8 as u16 | self.e as u8 as u16)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dcac0f08ae9c86568d088f3275848c614edf47c27d89270fce6e271ff1cf12cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcac0f08ae9c86568d088f3275848c614edf47c27d89270fce6e271ff1cf12cb", kill_on_drop: false }`
[INFO] [stdout] dcac0f08ae9c86568d088f3275848c614edf47c27d89270fce6e271ff1cf12cb