[INFO] cloning repository https://github.com/aloggia/rust-chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aloggia/rust-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faloggia%2Frust-chip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faloggia%2Frust-chip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7eb11b62d2f785ffced6895e0294b3881331626b [INFO] building aloggia/rust-chip8 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faloggia%2Frust-chip8" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aloggia/rust-chip8 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aloggia/rust-chip8 [INFO] finished tweaking git repo https://github.com/aloggia/rust-chip8 [INFO] tweaked toml for git repo https://github.com/aloggia/rust-chip8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/aloggia/rust-chip8 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9dc274ceebe441592e41a29872f1b9d871e07031d9088e4b80f575c183e765a1 [INFO] running `Command { std: "docker" "start" "-a" "9dc274ceebe441592e41a29872f1b9d871e07031d9088e4b80f575c183e765a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9dc274ceebe441592e41a29872f1b9d871e07031d9088e4b80f575c183e765a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dc274ceebe441592e41a29872f1b9d871e07031d9088e4b80f575c183e765a1", kill_on_drop: false }` [INFO] [stdout] 9dc274ceebe441592e41a29872f1b9d871e07031d9088e4b80f575c183e765a1 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f9c2d8fdd3868b91c532a8e81d0c2e0d3571cd0db2ba44afa005dbf023a3690 [INFO] running `Command { std: "docker" "start" "-a" "1f9c2d8fdd3868b91c532a8e81d0c2e0d3571cd0db2ba44afa005dbf023a3690", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling clang-sys v1.2.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling wayland-sys v0.28.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling wayland-scanner v0.28.5 [INFO] [stderr] Compiling libloading v0.7.0 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling nix v0.20.0 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling wayland-client v0.28.5 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling downcast-rs v1.2.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling wayland-protocols v0.28.5 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling env_logger v0.8.3 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling minifb v0.19.3 [INFO] [stderr] Compiling xcursor v0.3.3 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling wayland-commons v0.28.5 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling wayland-cursor v0.28.5 [INFO] [stderr] Compiling xkbcommon-sys v0.7.5 [INFO] [stderr] Compiling xkb v0.2.1 [INFO] [stderr] Compiling rust-chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `KeyRepeat`, `Key`, and `Window` [INFO] [stdout] --> src/keyboard.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | use minifb::{Window, KeyRepeat, Key}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 120 | window.update_with_buffer(&buffer, width, height); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 120 | let _ = window.update_with_buffer(&buffer, width, height); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/cpu.rs:169:28 [INFO] [stdout] | [INFO] [stdout] 169 | if diff < 0 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:342:9 [INFO] [stdout] | [INFO] [stdout] 342 | write!(f, "\n{:#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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:343:9 [INFO] [stdout] | [INFO] [stdout] 343 | 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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:345:13 [INFO] [stdout] | [INFO] [stdout] 345 | 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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:347:9 [INFO] [stdout] | [INFO] [stdout] 347 | 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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.48s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "1f9c2d8fdd3868b91c532a8e81d0c2e0d3571cd0db2ba44afa005dbf023a3690", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f9c2d8fdd3868b91c532a8e81d0c2e0d3571cd0db2ba44afa005dbf023a3690", kill_on_drop: false }` [INFO] [stdout] 1f9c2d8fdd3868b91c532a8e81d0c2e0d3571cd0db2ba44afa005dbf023a3690 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa5edfc61eec7286afb601aefa2baa819cbb23a399f2c0070f52f8070c895728 [INFO] running `Command { std: "docker" "start" "-a" "aa5edfc61eec7286afb601aefa2baa819cbb23a399f2c0070f52f8070c895728", kill_on_drop: false }` [INFO] [stderr] Compiling rust-chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `KeyRepeat`, `Key`, and `Window` [INFO] [stdout] --> src/keyboard.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | use minifb::{Window, KeyRepeat, Key}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 120 | window.update_with_buffer(&buffer, width, height); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 120 | let _ = window.update_with_buffer(&buffer, width, height); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/cpu.rs:169:28 [INFO] [stdout] | [INFO] [stdout] 169 | if diff < 0 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:342:9 [INFO] [stdout] | [INFO] [stdout] 342 | write!(f, "\n{:#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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:343:9 [INFO] [stdout] | [INFO] [stdout] 343 | 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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:345:13 [INFO] [stdout] | [INFO] [stdout] 345 | 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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:347:9 [INFO] [stdout] | [INFO] [stdout] 347 | 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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "aa5edfc61eec7286afb601aefa2baa819cbb23a399f2c0070f52f8070c895728", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa5edfc61eec7286afb601aefa2baa819cbb23a399f2c0070f52f8070c895728", kill_on_drop: false }` [INFO] [stdout] aa5edfc61eec7286afb601aefa2baa819cbb23a399f2c0070f52f8070c895728