[INFO] fetching crate chip_8 0.3.1...
[INFO] checking chip_8-0.3.1 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate chip_8 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate chip_8 0.3.1 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chip_8 0.3.1
[INFO] finished tweaking crates.io crate chip_8 0.3.1
[INFO] tweaked toml for crates.io crate chip_8 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded version-sync v0.9.4
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9c078dfc2a13ce468db205d5adbf2b6b270216c36a8117f09d924eae9b498ce
[INFO] running `Command { std: "docker" "start" "-a" "f9c078dfc2a13ce468db205d5adbf2b6b270216c36a8117f09d924eae9b498ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9c078dfc2a13ce468db205d5adbf2b6b270216c36a8117f09d924eae9b498ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c078dfc2a13ce468db205d5adbf2b6b270216c36a8117f09d924eae9b498ce", kill_on_drop: false }`
[INFO] [stdout] f9c078dfc2a13ce468db205d5adbf2b6b270216c36a8117f09d924eae9b498ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 803a8aa990b8f6076c4d9a8ef72fa5f1a24c8b4c66a0e6d2bfdc8ddc85b44cfc
[INFO] running `Command { std: "docker" "start" "-a" "803a8aa990b8f6076c4d9a8ef72fa5f1a24c8b4c66a0e6d2bfdc8ddc85b44cfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking unicode-ident v1.0.11
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking quote v1.0.32
[INFO] [stderr]     Checking chip_8 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `i` and `pc` are never read
[INFO] [stdout]   --> src/vm.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Registers {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 29 |     vregisters: [VRegisterValue; 16], // TODO: Use variant_count for constant?
[INFO] [stdout] 30 |     i: IRegisterValue,
[INFO] [stdout]    |     ^
[INFO] [stdout] 31 |     pc: PCRegisterValue,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `registers`, `rng`, `sys_fn`, `keypad`, `waiting_on_any_keypress`, and `display` are never read
[INFO] [stdout]   --> src/vm.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct VM<R: Rng> {
[INFO] [stdout]    |            -- fields in this struct
[INFO] [stdout] 71 |     registers: Registers,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 72 |     rng: R,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 73 |     sys_fn: fn(&mut Self, crate::instructions::Addr) -> crate::errors::Result<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 74 |     keypad: crate::keypad::Keypad,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 75 |     waiting_on_any_keypress: Option<VRegister>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 76 |     memory: Memory,
[INFO] [stdout] 77 |     display: Display,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `execute_instruction` is never used
[INFO] [stdout]    --> src/vm.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 94  | impl<R> VM<R>
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn execute_instruction(&mut self, instruction: &Instruction) -> crate::errors::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempfile v3.7.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking version-sync v0.9.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "803a8aa990b8f6076c4d9a8ef72fa5f1a24c8b4c66a0e6d2bfdc8ddc85b44cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803a8aa990b8f6076c4d9a8ef72fa5f1a24c8b4c66a0e6d2bfdc8ddc85b44cfc", kill_on_drop: false }`
[INFO] [stdout] 803a8aa990b8f6076c4d9a8ef72fa5f1a24c8b4c66a0e6d2bfdc8ddc85b44cfc
