[INFO] cloning repository https://github.com/chrsmutti/chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrsmutti/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrsmutti%2Fchip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrsmutti%2Fchip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7481756a4475fb46e8c4c0ea4acace3260e8c8d9 [INFO] checking chrsmutti/chip8 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrsmutti%2Fchip8" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chrsmutti/chip8 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chrsmutti/chip8 [INFO] finished tweaking git repo https://github.com/chrsmutti/chip8 [INFO] tweaked toml for git repo https://github.com/chrsmutti/chip8 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/chrsmutti/chip8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v0.14.7 [INFO] [stderr] Downloaded sdl2-sys v0.31.0 [INFO] [stderr] Downloaded sdl2 v0.31.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9ed9caf4f54eba1a61cb68c11a64a47bc85003b32a99e881a41a7ab4760d671 [INFO] running `Command { std: "docker" "start" "-a" "b9ed9caf4f54eba1a61cb68c11a64a47bc85003b32a99e881a41a7ab4760d671", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9ed9caf4f54eba1a61cb68c11a64a47bc85003b32a99e881a41a7ab4760d671", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9ed9caf4f54eba1a61cb68c11a64a47bc85003b32a99e881a41a7ab4760d671", kill_on_drop: false }` [INFO] [stdout] b9ed9caf4f54eba1a61cb68c11a64a47bc85003b32a99e881a41a7ab4760d671 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 069de5bbfcdc3efcb54295e29d5062bdca04c49564b067ab912859811136e4d3 [INFO] running `Command { std: "docker" "start" "-a" "069de5bbfcdc3efcb54295e29d5062bdca04c49564b067ab912859811136e4d3", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Compiling cfg-if v0.1.4 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking rand v0.5.4 [INFO] [stderr] Compiling syn v0.14.7 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking sdl2 v0.31.0 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Checking failure v0.1.2 [INFO] [stderr] Checking chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/processor.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | 'event: for event in event_pump.poll_iter() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/processor.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | 'event: for event in event_pump.poll_iter() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/processor.rs:114:14 [INFO] [stdout] | [INFO] [stdout] 114 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 114 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 113 | IntoIterator::into_iter(opcode) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/processor.rs:114:14 [INFO] [stdout] | [INFO] [stdout] 114 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 114 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 113 | IntoIterator::into_iter(opcode) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/display.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | mem::replace(&mut self.gfx, [[false; 64]; 32]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/display.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | mem::replace(&mut self.gfx, [[false; 64]; 32]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/processor.rs:317:9 [INFO] [stdout] | [INFO] [stdout] 317 | processor.const_ops(opcode); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/processor.rs:331:9 [INFO] [stdout] | [INFO] [stdout] 331 | processor.const_ops(opcode); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/processor.rs:343:9 [INFO] [stdout] | [INFO] [stdout] 343 | processor.const_ops(opcode); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/processor.rs:355:9 [INFO] [stdout] | [INFO] [stdout] 355 | processor.misc_ops(opcode); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/processor.rs:367:9 [INFO] [stdout] | [INFO] [stdout] 367 | processor.misc_ops(opcode); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/processor.rs:375:9 [INFO] [stdout] | [INFO] [stdout] 375 | processor.control_flow_ops(opcode); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/processor.rs:386:9 [INFO] [stdout] | [INFO] [stdout] 386 | processor.control_flow_ops(opcode); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/processor.rs:397:9 [INFO] [stdout] | [INFO] [stdout] 397 | processor.control_flow_ops(opcode); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/processor.rs:411:9 [INFO] [stdout] | [INFO] [stdout] 411 | processor.control_flow_ops(call_opcode); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/processor.rs:412:9 [INFO] [stdout] | [INFO] [stdout] 412 | processor.misc_ops(return_opcode); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.13s [INFO] running `Command { std: "docker" "inspect" "069de5bbfcdc3efcb54295e29d5062bdca04c49564b067ab912859811136e4d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "069de5bbfcdc3efcb54295e29d5062bdca04c49564b067ab912859811136e4d3", kill_on_drop: false }` [INFO] [stdout] 069de5bbfcdc3efcb54295e29d5062bdca04c49564b067ab912859811136e4d3