[INFO] cloning repository https://github.com/Gangezilla/8080-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gangezilla/8080-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGangezilla%2F8080-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGangezilla%2F8080-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 067058c21100c1eab013f836a6b58821375073eb
[INFO] checking Gangezilla/8080-emu against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGangezilla%2F8080-emu" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gangezilla/8080-emu on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gangezilla/8080-emu
[INFO] finished tweaking git repo https://github.com/Gangezilla/8080-emu
[INFO] tweaked toml for git repo https://github.com/Gangezilla/8080-emu written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Gangezilla/8080-emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccad2b75bc08a7cd58def26306017076d373c4d7eeedf11b643c55f30403b5a5
[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" "ccad2b75bc08a7cd58def26306017076d373c4d7eeedf11b643c55f30403b5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccad2b75bc08a7cd58def26306017076d373c4d7eeedf11b643c55f30403b5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccad2b75bc08a7cd58def26306017076d373c4d7eeedf11b643c55f30403b5a5", kill_on_drop: false }`
[INFO] [stdout] ccad2b75bc08a7cd58def26306017076d373c4d7eeedf11b643c55f30403b5a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 458ee0e5ce0f29ab0a1f92802f71a3ce53fa0e32af06cfcd813f8a4d4557f165
[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" "458ee0e5ce0f29ab0a1f92802f71a3ce53fa0e32af06cfcd813f8a4d4557f165", kill_on_drop: false }`
[INFO] [stderr]     Checking emu-8080 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `cycle` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut cycle = 0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_cycle` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cycle` is never read
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         cycle += self.next();
[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: unused variable: `f`
[INFO] [stdout]   --> src/register.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |   pub fn get_flag(&self, f: Flag) -> bool {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/register.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/register.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/cpu.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let a = self.imm_dw();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/register.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut reg = Self::default();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cycle` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut cycle = 0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_cycle` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cycle` is never read
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         cycle += self.next();
[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: unused variable: `f`
[INFO] [stdout]   --> src/register.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |   pub fn get_flag(&self, f: Flag) -> bool {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/register.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/register.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/cpu.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let a = self.imm_dw();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/linear_memory.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn set(&mut self, a: u16, v: u8) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_word`
[INFO] [stdout]   --> src/linear_memory.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set_word() {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Flag`
[INFO] [stdout]   --> src/register.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Flag {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_flag`
[INFO] [stdout]   --> src/register.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |   pub fn get_flag(&self, f: Flag) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_flag`
[INFO] [stdout]   --> src/register.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/register.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut reg = Self::default();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/linear_memory.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn set(&mut self, a: u16, v: u8) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_word`
[INFO] [stdout]   --> src/linear_memory.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set_word() {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Flag`
[INFO] [stdout]   --> src/register.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Flag {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_flag`
[INFO] [stdout]   --> src/register.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |   pub fn get_flag(&self, f: Flag) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_flag`
[INFO] [stdout]   --> src/register.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "458ee0e5ce0f29ab0a1f92802f71a3ce53fa0e32af06cfcd813f8a4d4557f165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458ee0e5ce0f29ab0a1f92802f71a3ce53fa0e32af06cfcd813f8a4d4557f165", kill_on_drop: false }`
[INFO] [stdout] 458ee0e5ce0f29ab0a1f92802f71a3ce53fa0e32af06cfcd813f8a4d4557f165