[INFO] cloning repository https://github.com/goodnewsj62/chip8_rust_impl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goodnewsj62/chip8_rust_impl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodnewsj62%2Fchip8_rust_impl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodnewsj62%2Fchip8_rust_impl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70c45bc2ae6095f3f7b400c9c25cde5580bc56d7
[INFO] testing goodnewsj62/chip8_rust_impl against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodnewsj62%2Fchip8_rust_impl" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/goodnewsj62/chip8_rust_impl
[INFO] finished tweaking git repo https://github.com/goodnewsj62/chip8_rust_impl
[INFO] tweaked toml for git repo https://github.com/goodnewsj62/chip8_rust_impl written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/goodnewsj62/chip8_rust_impl on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/goodnewsj62/chip8_rust_impl 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20caa8b4fc2200653576a79723e1099ca5bd83f49cf201b3bea717fc757a644e
[INFO] running `Command { std: "docker" "start" "-a" "20caa8b4fc2200653576a79723e1099ca5bd83f49cf201b3bea717fc757a644e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20caa8b4fc2200653576a79723e1099ca5bd83f49cf201b3bea717fc757a644e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20caa8b4fc2200653576a79723e1099ca5bd83f49cf201b3bea717fc757a644e", kill_on_drop: false }`
[INFO] [stdout] 20caa8b4fc2200653576a79723e1099ca5bd83f49cf201b3bea717fc757a644e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 671bac38d198cc03204be80474175c68df9873988542a188146108469aec7c8c
[INFO] running `Command { std: "docker" "start" "-a" "671bac38d198cc03204be80474175c68df9873988542a188146108469aec7c8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip_8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]  --> src/memory.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Memory {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create` and `check_range` are never used
[INFO] [stdout]   --> src/memory.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Memory {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn create(bytes: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn check_range(&self, position: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MemoryTrait` is never used
[INFO] [stdout]  --> src/register.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait MemoryTrait {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mask` is never used
[INFO] [stdout]   --> src/register.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl EightBitRegister {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn mask(&self, pos: usize) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "671bac38d198cc03204be80474175c68df9873988542a188146108469aec7c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671bac38d198cc03204be80474175c68df9873988542a188146108469aec7c8c", kill_on_drop: false }`
[INFO] [stdout] 671bac38d198cc03204be80474175c68df9873988542a188146108469aec7c8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09ea7c15212729063e83b3ddaed1aa9b920302f08261dde21b219857a6be60dc
[INFO] running `Command { std: "docker" "start" "-a" "09ea7c15212729063e83b3ddaed1aa9b920302f08261dde21b219857a6be60dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip_8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]  --> src/memory.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Memory {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create` and `check_range` are never used
[INFO] [stdout]   --> src/memory.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Memory {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn create(bytes: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn check_range(&self, position: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MemoryTrait` is never used
[INFO] [stdout]  --> src/register.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait MemoryTrait {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mask` is never used
[INFO] [stdout]   --> src/register.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl EightBitRegister {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn mask(&self, pos: usize) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "09ea7c15212729063e83b3ddaed1aa9b920302f08261dde21b219857a6be60dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ea7c15212729063e83b3ddaed1aa9b920302f08261dde21b219857a6be60dc", kill_on_drop: false }`
[INFO] [stdout] 09ea7c15212729063e83b3ddaed1aa9b920302f08261dde21b219857a6be60dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5726aa8a9f0afb9b7587aa4fae8ca2db359d2bc652f0e9672372f21c776de15e
[INFO] running `Command { std: "docker" "start" "-a" "5726aa8a9f0afb9b7587aa4fae8ca2db359d2bc652f0e9672372f21c776de15e", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Memory` is never constructed
[INFO] [stderr]  --> src/memory.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Memory {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `create` and `check_range` are never used
[INFO] [stderr]   --> src/memory.rs:9:12
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl Memory {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr]  9 |     pub fn create(bytes: usize) -> Self {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     fn check_range(&self, position: usize) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MemoryTrait` is never used
[INFO] [stderr]  --> src/register.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait MemoryTrait {
[INFO] [stderr]   |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `mask` is never used
[INFO] [stderr]   --> src/register.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl EightBitRegister {
[INFO] [stderr]    | --------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn mask(&self, pos: usize) -> u8 {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chip_8` (lib) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chip_8-f1d704c43365c7a0)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_register_clear_operation ... ok
[INFO] [stdout] test tests::test_register_set_bits ... ok
[INFO] [stdout] test tests::test_create_memory_of_n_size ... ok
[INFO] [stdout] test tests::test_mem_set_and_check ... ok
[INFO] [stdout] test tests::test_register_check_operation ... ok
[INFO] [stdout] test tests::test_register_toggle_operation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip_8-aef1e39847a5f680)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] [stderr]    Doc-tests chip_8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "5726aa8a9f0afb9b7587aa4fae8ca2db359d2bc652f0e9672372f21c776de15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5726aa8a9f0afb9b7587aa4fae8ca2db359d2bc652f0e9672372f21c776de15e", kill_on_drop: false }`
[INFO] [stdout] 5726aa8a9f0afb9b7587aa4fae8ca2db359d2bc652f0e9672372f21c776de15e