[INFO] cloning repository https://github.com/JorgeMartinezG/chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JorgeMartinezG/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJorgeMartinezG%2Fchip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJorgeMartinezG%2Fchip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 275a2481c184e55c556931225a66de7b232d7795 [INFO] checking JorgeMartinezG/chip8 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJorgeMartinezG%2Fchip8" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JorgeMartinezG/chip8 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JorgeMartinezG/chip8 [INFO] finished tweaking git repo https://github.com/JorgeMartinezG/chip8 [INFO] tweaked toml for git repo https://github.com/JorgeMartinezG/chip8 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/JorgeMartinezG/chip8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lazy_static v1.2.0 [INFO] [stderr] Downloaded scopeguard v0.3.3 [INFO] [stderr] Downloaded crossbeam-epoch v0.3.1 [INFO] [stderr] Downloaded gdi32-sys v0.1.2 [INFO] [stderr] Downloaded pkg-config v0.3.14 [INFO] [stderr] Downloaded rayon-core v1.4.1 [INFO] [stderr] Downloaded cc v1.0.25 [INFO] [stderr] Downloaded arrayvec v0.4.7 [INFO] [stderr] Downloaded num_cpus v1.8.0 [INFO] [stderr] Downloaded crossbeam-utils v0.2.2 [INFO] [stderr] Downloaded bitflags v0.7.0 [INFO] [stderr] Downloaded nodrop v0.1.12 [INFO] [stderr] Downloaded rayon v0.8.2 [INFO] [stderr] Downloaded redox_syscall v0.1.40 [INFO] [stderr] Downloaded libc v0.2.43 [INFO] [stderr] Downloaded sdl2-sys v0.31.0 [INFO] [stderr] Downloaded memoffset v0.2.1 [INFO] [stderr] Downloaded num-traits v0.2.6 [INFO] [stderr] Downloaded winapi v0.3.6 [INFO] [stderr] Downloaded user32-sys v0.1.3 [INFO] [stderr] Downloaded orbclient v0.3.17 [INFO] [stderr] Downloaded rand v0.3.22 [INFO] [stderr] Downloaded x11-dl v2.14.0 [INFO] [stderr] Downloaded num v0.1.42 [INFO] [stderr] Downloaded lazy_static v0.2.11 [INFO] [stderr] Downloaded num-integer v0.1.39 [INFO] [stderr] Downloaded bitflags v1.0.4 [INFO] [stderr] Downloaded cfg-if v0.1.6 [INFO] [stderr] Downloaded minifb v0.10.7 [INFO] [stderr] Downloaded num-iter v0.1.37 [INFO] [stderr] Downloaded crossbeam-deque v0.2.0 [INFO] [stderr] Downloaded time v0.1.40 [INFO] [stderr] Downloaded sdl2 v0.31.0 [INFO] [stderr] Downloaded rand v0.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 355f160fb80054d2e36b0ed5a2361b92ef4930cf39f14f7672674846431ee462 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "355f160fb80054d2e36b0ed5a2361b92ef4930cf39f14f7672674846431ee462", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "355f160fb80054d2e36b0ed5a2361b92ef4930cf39f14f7672674846431ee462", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "355f160fb80054d2e36b0ed5a2361b92ef4930cf39f14f7672674846431ee462", kill_on_drop: false }` [INFO] [stdout] 355f160fb80054d2e36b0ed5a2361b92ef4930cf39f14f7672674846431ee462 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a612e7c05d0a76cb88fc43fdbd078c2075db9f87b9db8142d6527d72029c74a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7a612e7c05d0a76cb88fc43fdbd078c2075db9f87b9db8142d6527d72029c74a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling minifb v0.10.7 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Compiling x11-dl v2.14.0 [INFO] [stderr] Checking chip8-emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | file.read_to_end(&mut data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:99:3 [INFO] [stdout] | [INFO] [stdout] 99 | window.update_with_buffer(&buffer); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/cpu.rs:327:9 [INFO] [stdout] | [INFO] [stdout] 327 | write!(f, "pc: {:#X}\n", self.pc); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cpu.rs:328:9 [INFO] [stdout] | [INFO] [stdout] 328 | write!(f, "vx: "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cpu.rs:330:13 [INFO] [stdout] | [INFO] [stdout] 330 | write!(f, "{:#X} ", *item); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cpu.rs:332:9 [INFO] [stdout] | [INFO] [stdout] 332 | write!(f, "\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | file.read_to_end(&mut data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:99:3 [INFO] [stdout] | [INFO] [stdout] 99 | window.update_with_buffer(&buffer); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/cpu.rs:327:9 [INFO] [stdout] | [INFO] [stdout] 327 | write!(f, "pc: {:#X}\n", self.pc); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cpu.rs:328:9 [INFO] [stdout] | [INFO] [stdout] 328 | write!(f, "vx: "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cpu.rs:330:13 [INFO] [stdout] | [INFO] [stdout] 330 | write!(f, "{:#X} ", *item); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cpu.rs:332:9 [INFO] [stdout] | [INFO] [stdout] 332 | write!(f, "\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.31s [INFO] running `Command { std: "docker" "inspect" "7a612e7c05d0a76cb88fc43fdbd078c2075db9f87b9db8142d6527d72029c74a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a612e7c05d0a76cb88fc43fdbd078c2075db9f87b9db8142d6527d72029c74a", kill_on_drop: false }` [INFO] [stdout] 7a612e7c05d0a76cb88fc43fdbd078c2075db9f87b9db8142d6527d72029c74a