[INFO] cloning repository https://github.com/Ngalstyan4/emulator101.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ngalstyan4/emulator101.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNgalstyan4%2Femulator101.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNgalstyan4%2Femulator101.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38d52100b6f443d94d6077d7ff4c5a7a9ec82595
[INFO] testing Ngalstyan4/emulator101.rs against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNgalstyan4%2Femulator101.rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ngalstyan4/emulator101.rs
[INFO] finished tweaking git repo https://github.com/Ngalstyan4/emulator101.rs
[INFO] tweaked toml for git repo https://github.com/Ngalstyan4/emulator101.rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ngalstyan4/emulator101.rs on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ngalstyan4/emulator101.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 613c613a07a630794030d6df3ba09b0c28264471e0a15df9a650181fd207e910
[INFO] running `Command { std: "docker" "start" "-a" "613c613a07a630794030d6df3ba09b0c28264471e0a15df9a650181fd207e910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "613c613a07a630794030d6df3ba09b0c28264471e0a15df9a650181fd207e910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "613c613a07a630794030d6df3ba09b0c28264471e0a15df9a650181fd207e910", kill_on_drop: false }`
[INFO] [stdout] 613c613a07a630794030d6df3ba09b0c28264471e0a15df9a650181fd207e910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dfbc5057de83e6a77d6a6664c1ab7da593bf62a50ddb795171b241fb9d02647
[INFO] running `Command { std: "docker" "start" "-a" "1dfbc5057de83e6a77d6a6664c1ab7da593bf62a50ddb795171b241fb9d02647", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling drawille v0.2.3
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/sdl2_screen.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/sdl2_screen.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use std::time::Duration;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/sdl2_screen.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn draw_elems<'a>(&mut self, elems: Vec<(usize, &'a u8)>, c:Color) {
[INFO] [stdout]    |                                                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/sdl2_screen.rs:93:66
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let elems = framebuffer.iter().enumerate().filter(|&(i, &v)| (i *8 % 256 < 112 )== top).collect::<Vec<_>>();
[INFO] [stdout]    |                                                                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_instr`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let num_instr = args[1].parse().unwrap_or(50000004);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_cycles` is never used
[INFO] [stdout]    --> src/cpu8080.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl State8080 {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 228 |     pub fn get_cycles(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]     --> src/cpu8080.rs:1799:4
[INFO] [stdout]      |
[INFO] [stdout] 1799 | fn main() {
[INFO] [stdout]      |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/screen.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Screen {
[INFO] [stdout]   |           ------ associated function in this trait
[INFO] [stdout] 2 |     fn new() -> Self; //  Q:: is that the right thing to do? // should this be out of the trait?
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SoC` is never constructed
[INFO] [stdout]  --> src/soc.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct SoC<S: Screen> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `emulate` is never used
[INFO] [stdout]   --> src/soc.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SoC<Sdl2Screen> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 15 |     fn emulate(self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `_LogicFlagsA` should have a snake case name
[INFO] [stdout]    --> src/cpu8080.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn _LogicFlagsA(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `_logic_flags_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `_arithFlagsA` should have a snake case name
[INFO] [stdout]    --> src/cpu8080.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn _arithFlagsA(&mut self, res: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `_arith_flags_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `_arithNoCarry` should have a snake case name
[INFO] [stdout]    --> src/cpu8080.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 |     fn _arithNoCarry(&mut self, res: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `_arith_no_carry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "1dfbc5057de83e6a77d6a6664c1ab7da593bf62a50ddb795171b241fb9d02647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dfbc5057de83e6a77d6a6664c1ab7da593bf62a50ddb795171b241fb9d02647", kill_on_drop: false }`
[INFO] [stdout] 1dfbc5057de83e6a77d6a6664c1ab7da593bf62a50ddb795171b241fb9d02647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df2b69a391091afbc235be05ea110b1723abadb4f001753bdda022f1bcdbf892
[INFO] running `Command { std: "docker" "start" "-a" "df2b69a391091afbc235be05ea110b1723abadb4f001753bdda022f1bcdbf892", kill_on_drop: false }`
[INFO] [stderr]    Compiling emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/sdl2_screen.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/sdl2_screen.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use std::time::Duration;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/sdl2_screen.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn draw_elems<'a>(&mut self, elems: Vec<(usize, &'a u8)>, c:Color) {
[INFO] [stdout]    |                                                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/sdl2_screen.rs:93:66
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let elems = framebuffer.iter().enumerate().filter(|&(i, &v)| (i *8 % 256 < 112 )== top).collect::<Vec<_>>();
[INFO] [stdout]    |                                                                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_instr`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let num_instr = args[1].parse().unwrap_or(50000004);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_cycles` is never used
[INFO] [stdout]    --> src/cpu8080.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl State8080 {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 228 |     pub fn get_cycles(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]     --> src/cpu8080.rs:1799:4
[INFO] [stdout]      |
[INFO] [stdout] 1799 | fn main() {
[INFO] [stdout]      |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/screen.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Screen {
[INFO] [stdout]   |           ------ associated function in this trait
[INFO] [stdout] 2 |     fn new() -> Self; //  Q:: is that the right thing to do? // should this be out of the trait?
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SoC` is never constructed
[INFO] [stdout]  --> src/soc.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct SoC<S: Screen> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `emulate` is never used
[INFO] [stdout]   --> src/soc.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SoC<Sdl2Screen> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 15 |     fn emulate(self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `_LogicFlagsA` should have a snake case name
[INFO] [stdout]    --> src/cpu8080.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn _LogicFlagsA(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `_logic_flags_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `_arithFlagsA` should have a snake case name
[INFO] [stdout]    --> src/cpu8080.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn _arithFlagsA(&mut self, res: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `_arith_flags_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `_arithNoCarry` should have a snake case name
[INFO] [stdout]    --> src/cpu8080.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 |     fn _arithNoCarry(&mut self, res: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `_arith_no_carry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "df2b69a391091afbc235be05ea110b1723abadb4f001753bdda022f1bcdbf892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2b69a391091afbc235be05ea110b1723abadb4f001753bdda022f1bcdbf892", kill_on_drop: false }`
[INFO] [stdout] df2b69a391091afbc235be05ea110b1723abadb4f001753bdda022f1bcdbf892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e54cdb32dab480d43cf9a614b39e00b624af3821c9badeab9d09ea7222aecb4b
[INFO] running `Command { std: "docker" "start" "-a" "e54cdb32dab480d43cf9a614b39e00b624af3821c9badeab9d09ea7222aecb4b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/sdl2_screen.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread` and `time`
[INFO] [stderr]  --> src/sdl2_screen.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     use std::time::Duration;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/sdl2_screen.rs:40:63
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn draw_elems<'a>(&mut self, elems: Vec<(usize, &'a u8)>, c:Color) {
[INFO] [stderr]    |                                                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/sdl2_screen.rs:93:66
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let elems = framebuffer.iter().enumerate().filter(|&(i, &v)| (i *8 % 256 < 112 )== top).collect::<Vec<_>>();
[INFO] [stderr]    |                                                                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_instr`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let num_instr = args[1].parse().unwrap_or(50000004);
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_instr`
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_cycles` is never used
[INFO] [stderr]    --> src/cpu8080.rs:228:12
[INFO] [stderr]     |
[INFO] [stderr] 172 | impl State8080 {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 228 |     pub fn get_cycles(&self) -> u64 {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]     --> src/cpu8080.rs:1799:4
[INFO] [stderr]      |
[INFO] [stderr] 1799 | fn main() {
[INFO] [stderr]      |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/screen.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Screen {
[INFO] [stderr]   |           ------ associated function in this trait
[INFO] [stderr] 2 |     fn new() -> Self; //  Q:: is that the right thing to do? // should this be out of the trait?
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SoC` is never constructed
[INFO] [stderr]  --> src/soc.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct SoC<S: Screen> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `emulate` is never used
[INFO] [stderr]   --> src/soc.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl SoC<Sdl2Screen> {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] 15 |     fn emulate(self) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `_LogicFlagsA` should have a snake case name
[INFO] [stderr]    --> src/cpu8080.rs:248:8
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn _LogicFlagsA(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `_logic_flags_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `_arithFlagsA` should have a snake case name
[INFO] [stderr]    --> src/cpu8080.rs:256:8
[INFO] [stderr]     |
[INFO] [stderr] 256 |     fn _arithFlagsA(&mut self, res: u16) {
[INFO] [stderr]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `_arith_flags_a`
[INFO] [stderr] 
[INFO] [stderr] warning: method `_arithNoCarry` should have a snake case name
[INFO] [stderr]    --> src/cpu8080.rs:263:8
[INFO] [stderr]     |
[INFO] [stderr] 263 |     fn _arithNoCarry(&mut self, res: u16) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `_arith_no_carry`
[INFO] [stderr] 
[INFO] [stderr] warning: `emulator` (bin "emulator" test) generated 15 warnings (run `cargo fix --bin "emulator" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/emulator-b03f5324b7bf1c9e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test cpu8080::tests::test_parity ... ok
[INFO] [stdout] test cpu8080::tests::cpu_diag ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- cpu8080::tests::cpu_diag stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'cpu8080::tests::cpu_diag' panicked at src/cpu8080.rs:1879:47:
[INFO] [stdout] Unable to read cpudiag ROM file: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ee5ce297a12 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ee5ce297a12 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ee5ce297a12 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ee5ce297a12 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ee5ce2bcad3 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ee5ce2bcad3 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5ee5ce2949a3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ee5ce2949a3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ee5ce297862 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ee5ce298f7c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5ee5ce298dd2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5ee5ce260804 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5ee5ce260804 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ee5ce29995b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5ee5ce29995b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5ee5ce29972a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5ee5ce297f09 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5ee5ce2993bd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5ee5ce2bb650 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5ee5ce2bb9c6 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x5ee5ce22706c - core::result::Result<T,E>::expect::h5df54eb991d6bf57
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x5ee5ce22706c - emulator::cpu8080::tests::cpu_diag::h3681c34ba7298fee
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cpu8080.rs:1879:47
[INFO] [stdout]   22:     0x5ee5ce22706c - emulator::cpu8080::tests::cpu_diag::{{closure}}::h0b513196cf604bcb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cpu8080.rs:1877:22
[INFO] [stdout]   23:     0x5ee5ce22706c - core::ops::function::FnOnce::call_once::hd06002397a2a76f8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ee5ce265f3b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ee5ce265f3b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5ee5ce26517e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5ee5ce26517e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5ee5ce26517e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5ee5ce26517e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5ee5ce26517e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ee5ce26517e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5ee5ce26517e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5ee5ce228d24 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5ee5ce228d24 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5ee5ce22c6ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5ee5ce22c6ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5ee5ce22c6ca - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5ee5ce22c6ca - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5ee5ce22c6ca - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5ee5ce22c6ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5ee5ce22c6ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5ee5ce29c8b7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5ee5ce29c8b7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5ee5ce29c8b7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x70039f749aa4 - <unknown>
[INFO] [stdout]   46:     0x70039f7d6a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     cpu8080::tests::cpu_diag
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin emulator`
[INFO] running `Command { std: "docker" "inspect" "e54cdb32dab480d43cf9a614b39e00b624af3821c9badeab9d09ea7222aecb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54cdb32dab480d43cf9a614b39e00b624af3821c9badeab9d09ea7222aecb4b", kill_on_drop: false }`
[INFO] [stdout] e54cdb32dab480d43cf9a614b39e00b624af3821c9badeab9d09ea7222aecb4b
