[INFO] cloning repository https://github.com/niconii/nico2
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niconii/nico2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniconii%2Fnico2"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniconii%2Fnico2'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40e16490285cff22e0c50b15c2c98cf5cb2cc23d
[INFO] checking niconii/nico2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniconii%2Fnico2" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niconii/nico2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/niconii/nico2
[INFO] finished tweaking git repo https://github.com/niconii/nico2
[INFO] tweaked toml for git repo https://github.com/niconii/nico2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/niconii/nico2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb8fef515ee3b716494008659f1d94c16007b9daaed878d6cf94a49af531ed63
[INFO] running `"docker" "start" "-a" "eb8fef515ee3b716494008659f1d94c16007b9daaed878d6cf94a49af531ed63"`
[INFO] [stderr]     Checking nico2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/cpu/stack.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |             (0...3, _) => (&mut self.a, op & 3), // a @ ! a!
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:51:15
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (4...7, _) => (&mut self.b, op & 3), // b @b !b b!
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]   --> src/cpu/alu.rs:20:47
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/cpu/opcode.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn inc_address(addr: Word) -> Word {
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]  --> src/memory.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn read(&self, addr: Word) -> Word {
[INFO] [stderr]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/memory.rs:10:41
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/cpu/stack.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |             (0...3, _) => (&mut self.a, op & 3), // a @ ! a!
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:51:15
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (4...7, _) => (&mut self.b, op & 3), // b @b !b b!
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unary`
[INFO] [stderr]  --> src/cpu/alu.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn unary(operation: u8, dat: &mut Stack) {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `binary`
[INFO] [stderr]   --> src/cpu/alu.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stack`
[INFO] [stderr]   --> src/cpu/alu.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn stack(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unary`
[INFO] [stderr]  --> src/cpu/opcode.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Unary(u8),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binary`
[INFO] [stderr]  --> src/cpu/opcode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Binary(u8),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stack`
[INFO] [stderr]  --> src/cpu/opcode.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Stack(u8),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Register`
[INFO] [stderr]  --> src/cpu/opcode.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Register(u8, bool),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Control`
[INFO] [stderr]  --> src/cpu/opcode.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Control(u8, PartialAddr)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `insts`
[INFO] [stderr]   --> src/cpu/opcode.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     insts: [Opcode; 5],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `slot`
[INFO] [stderr]   --> src/cpu/opcode.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     slot: u8
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu/opcode.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `restart`
[INFO] [stderr]   --> src/cpu/opcode.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn restart(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at`
[INFO] [stderr]   --> src/cpu/stack.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn at(&mut self, steps: i8) -> &mut Word {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `p`
[INFO] [stderr]   --> src/cpu/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     p: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `i`
[INFO] [stderr]   --> src/cpu/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     i: IWord,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stderr]   --> src/cpu/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     a: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `b`
[INFO] [stderr]   --> src/cpu/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     b: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dat`
[INFO] [stderr]   --> src/cpu/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     dat: Stack,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ret`
[INFO] [stderr]   --> src/cpu/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     ret: Stack,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mem`
[INFO] [stderr]   --> src/cpu/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     mem: MemoryMap
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `jump`
[INFO] [stderr]   --> src/cpu/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn jump(&mut self, address: PartialAddr) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec`
[INFO] [stderr]   --> src/cpu/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn exec(&mut self, opcode: Opcode) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec_register`
[INFO] [stderr]   --> src/cpu/mod.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn exec_register(&mut self, op: u8, increment: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec_control`
[INFO] [stderr]   --> src/cpu/mod.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn exec_control(&mut self, operation: u8, address: PartialAddr) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]   --> src/cpu/alu.rs:20:47
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/cpu/opcode.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn inc_address(addr: Word) -> Word {
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]  --> src/memory.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn read(&self, addr: Word) -> Word {
[INFO] [stderr]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/memory.rs:10:41
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unary`
[INFO] [stderr]  --> src/cpu/alu.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn unary(operation: u8, dat: &mut Stack) {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `binary`
[INFO] [stderr]   --> src/cpu/alu.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stack`
[INFO] [stderr]   --> src/cpu/alu.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn stack(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unary`
[INFO] [stderr]  --> src/cpu/opcode.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Unary(u8),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binary`
[INFO] [stderr]  --> src/cpu/opcode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Binary(u8),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stack`
[INFO] [stderr]  --> src/cpu/opcode.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Stack(u8),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Register`
[INFO] [stderr]  --> src/cpu/opcode.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Register(u8, bool),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Control`
[INFO] [stderr]  --> src/cpu/opcode.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Control(u8, PartialAddr)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `insts`
[INFO] [stderr]   --> src/cpu/opcode.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     insts: [Opcode; 5],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `slot`
[INFO] [stderr]   --> src/cpu/opcode.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     slot: u8
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu/opcode.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `restart`
[INFO] [stderr]   --> src/cpu/opcode.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn restart(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at`
[INFO] [stderr]   --> src/cpu/stack.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn at(&mut self, steps: i8) -> &mut Word {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `p`
[INFO] [stderr]   --> src/cpu/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     p: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `i`
[INFO] [stderr]   --> src/cpu/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     i: IWord,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stderr]   --> src/cpu/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     a: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `b`
[INFO] [stderr]   --> src/cpu/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     b: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dat`
[INFO] [stderr]   --> src/cpu/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     dat: Stack,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ret`
[INFO] [stderr]   --> src/cpu/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     ret: Stack,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mem`
[INFO] [stderr]   --> src/cpu/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     mem: MemoryMap
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `jump`
[INFO] [stderr]   --> src/cpu/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn jump(&mut self, address: PartialAddr) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec`
[INFO] [stderr]   --> src/cpu/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn exec(&mut self, opcode: Opcode) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec_register`
[INFO] [stderr]   --> src/cpu/mod.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn exec_register(&mut self, op: u8, increment: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec_control`
[INFO] [stderr]   --> src/cpu/mod.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn exec_control(&mut self, operation: u8, address: PartialAddr) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "eb8fef515ee3b716494008659f1d94c16007b9daaed878d6cf94a49af531ed63"`
[INFO] running `"docker" "rm" "-f" "eb8fef515ee3b716494008659f1d94c16007b9daaed878d6cf94a49af531ed63"`
[INFO] [stdout] eb8fef515ee3b716494008659f1d94c16007b9daaed878d6cf94a49af531ed63