[INFO] updating cached repository Gangezilla/8080-emu
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gangezilla/8080-emu
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gangezilla/8080-emu" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Gangezilla/8080-emu"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Gangezilla/8080-emu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gangezilla/8080-emu" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Gangezilla/8080-emu"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Gangezilla/8080-emu'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 067058c21100c1eab013f836a6b58821375073eb
[INFO] sha for GitHub repo Gangezilla/8080-emu: 067058c21100c1eab013f836a6b58821375073eb
[INFO] validating manifest of Gangezilla/8080-emu on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Gangezilla/8080-emu on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Gangezilla/8080-emu
[INFO] finished frobbing Gangezilla/8080-emu
[INFO] frobbed toml for Gangezilla/8080-emu written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Gangezilla/8080-emu/Cargo.toml
[INFO] started frobbing Gangezilla/8080-emu
[INFO] finished frobbing Gangezilla/8080-emu
[INFO] frobbed toml for Gangezilla/8080-emu written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Gangezilla/8080-emu/Cargo.toml
[INFO] crate Gangezilla/8080-emu already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Gangezilla/8080-emu against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-2/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Gangezilla/8080-emu:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 14be447eedb05a0a19401aa27d72cceeebab612683b4b48acd343811af99d855
[INFO] running `"docker" "start" "-a" "14be447eedb05a0a19401aa27d72cceeebab612683b4b48acd343811af99d855"`
[INFO] [stderr]     Checking emu-8080 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `cycle` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut cycle = 0;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_cycle` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cycle` is never read
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         cycle += self.next();
[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: unused variable: `f`
[INFO] [stderr]   --> src/register.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |   pub fn get_flag(&self, f: Flag) -> bool {
[INFO] [stderr]    |                          ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/register.rs:31:30
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stderr]    |                              ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/register.rs:31:39
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stderr]    |                                       ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/cpu.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let a = self.imm_dw();
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/register.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut reg = Self::default();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cycle` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut cycle = 0;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_cycle` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cycle` is never read
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         cycle += self.next();
[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: unused variable: `f`
[INFO] [stderr]   --> src/register.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |   pub fn get_flag(&self, f: Flag) -> bool {
[INFO] [stderr]    |                          ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/register.rs:31:30
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stderr]    |                              ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/register.rs:31:39
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stderr]    |                                       ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/cpu.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let a = self.imm_dw();
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/linear_memory.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn set(&mut self, a: u16, v: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_word`
[INFO] [stderr]   --> src/linear_memory.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn set_word() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Flag`
[INFO] [stderr]   --> src/register.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub enum Flag {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_flag`
[INFO] [stderr]   --> src/register.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   pub fn get_flag(&self, f: Flag) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_flag`
[INFO] [stderr]   --> src/register.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/register.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut reg = Self::default();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/linear_memory.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn set(&mut self, a: u16, v: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_word`
[INFO] [stderr]   --> src/linear_memory.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn set_word() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Flag`
[INFO] [stderr]   --> src/register.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub enum Flag {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_flag`
[INFO] [stderr]   --> src/register.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   pub fn get_flag(&self, f: Flag) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_flag`
[INFO] [stderr]   --> src/register.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn set_flag(&mut self, f: Flag, v: bool) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "14be447eedb05a0a19401aa27d72cceeebab612683b4b48acd343811af99d855"`
[INFO] running `"docker" "rm" "-f" "14be447eedb05a0a19401aa27d72cceeebab612683b4b48acd343811af99d855"`
[INFO] [stdout] 14be447eedb05a0a19401aa27d72cceeebab612683b4b48acd343811af99d855