[INFO] cloning repository https://github.com/NikhilCodes/yet-another-chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NikhilCodes/yet-another-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikhilCodes%2Fyet-another-chip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikhilCodes%2Fyet-another-chip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2de6c90048b2029dd64b6a41d3ed6fbb61015e18 [INFO] checking NikhilCodes/yet-another-chip8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikhilCodes%2Fyet-another-chip8" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NikhilCodes/yet-another-chip8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NikhilCodes/yet-another-chip8 [INFO] finished tweaking git repo https://github.com/NikhilCodes/yet-another-chip8 [INFO] tweaked toml for git repo https://github.com/NikhilCodes/yet-another-chip8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/NikhilCodes/yet-another-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unidiff v0.3.3 [INFO] [stderr] Downloaded cmake v0.1.45 [INFO] [stderr] Downloaded xkb v0.2.1 [INFO] [stderr] Downloaded clang-sys v1.2.0 [INFO] [stderr] Downloaded tar v0.4.35 [INFO] [stderr] Downloaded sdl2 v0.34.5 [INFO] [stderr] Downloaded sdl2-sys v0.34.5 [INFO] [stderr] Downloaded bindgen v0.56.0 [INFO] [stderr] Downloaded minifb v0.19.3 [INFO] [stderr] Downloaded xkbcommon-sys v0.7.5 [INFO] [stderr] Downloaded orbclient v0.3.31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c9d57d23959873a56e2389cab154266e8fbf2a1f1293a5d2ac1e71452714a89 [INFO] running `Command { std: "docker" "start" "-a" "0c9d57d23959873a56e2389cab154266e8fbf2a1f1293a5d2ac1e71452714a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c9d57d23959873a56e2389cab154266e8fbf2a1f1293a5d2ac1e71452714a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c9d57d23959873a56e2389cab154266e8fbf2a1f1293a5d2ac1e71452714a89", kill_on_drop: false }` [INFO] [stdout] 0c9d57d23959873a56e2389cab154266e8fbf2a1f1293a5d2ac1e71452714a89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0dc1c7edcc4236214e6cc5e3727a72430f0ca718746783f47e40eb0acbdc8bd [INFO] running `Command { std: "docker" "start" "-a" "f0dc1c7edcc4236214e6cc5e3727a72430f0ca718746783f47e40eb0acbdc8bd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [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 bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling libloading v0.7.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling nom v6.2.1 [INFO] [stderr] Compiling clang-sys v1.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling wayland-sys v0.28.6 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling minifb v0.19.3 [INFO] [stderr] Compiling wayland-scanner v0.28.6 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling regex v1.4.6 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling wayland-client v0.28.6 [INFO] [stderr] Compiling wayland-protocols v0.28.6 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking xcursor v0.3.3 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Checking wayland-commons v0.28.6 [INFO] [stderr] Checking wayland-cursor v0.28.6 [INFO] [stderr] Compiling xkbcommon-sys v0.7.5 [INFO] [stderr] Checking xkb v0.2.1 [INFO] [stderr] Checking Chip-8-emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/emulator/cpu.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/emulator/cpu.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/emulator/keyboard.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/emulator/cpu.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/emulator/cpu.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/emulator/keyboard.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/bus.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Bus { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/chip8.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Chip8 { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/display.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Display { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/bus.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Bus { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/chip8.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Chip8 { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/display.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Display { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | 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] 108 | let _ = window.update_with_buffer(&buffer, width, height); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | 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] 108 | let _ = window.update_with_buffer(&buffer, width, height); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.26s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.2.1 [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" "f0dc1c7edcc4236214e6cc5e3727a72430f0ca718746783f47e40eb0acbdc8bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0dc1c7edcc4236214e6cc5e3727a72430f0ca718746783f47e40eb0acbdc8bd", kill_on_drop: false }` [INFO] [stdout] f0dc1c7edcc4236214e6cc5e3727a72430f0ca718746783f47e40eb0acbdc8bd [INFO] checking NikhilCodes/yet-another-chip8 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikhilCodes%2Fyet-another-chip8" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NikhilCodes/yet-another-chip8 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NikhilCodes/yet-another-chip8 [INFO] finished tweaking git repo https://github.com/NikhilCodes/yet-another-chip8 [INFO] tweaked toml for git repo https://github.com/NikhilCodes/yet-another-chip8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NikhilCodes/yet-another-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e6d7ae88a95432e2749b962b96da0a13fbe678e5468f7948bd957451099f677 [INFO] running `Command { std: "docker" "start" "-a" "4e6d7ae88a95432e2749b962b96da0a13fbe678e5468f7948bd957451099f677", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e6d7ae88a95432e2749b962b96da0a13fbe678e5468f7948bd957451099f677", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e6d7ae88a95432e2749b962b96da0a13fbe678e5468f7948bd957451099f677", kill_on_drop: false }` [INFO] [stdout] 4e6d7ae88a95432e2749b962b96da0a13fbe678e5468f7948bd957451099f677 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce833542387dce86b2b60e2f7219c3c4f43ef320d4291af0342684f523315668 [INFO] running `Command { std: "docker" "start" "-a" "ce833542387dce86b2b60e2f7219c3c4f43ef320d4291af0342684f523315668", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling libloading v0.7.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling nom v6.2.1 [INFO] [stderr] Compiling clang-sys v1.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Compiling wayland-sys v0.28.6 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling wayland-scanner v0.28.6 [INFO] [stderr] Compiling minifb v0.19.3 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling regex v1.4.6 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling wayland-client v0.28.6 [INFO] [stderr] Compiling wayland-protocols v0.28.6 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking xcursor v0.3.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Checking wayland-commons v0.28.6 [INFO] [stderr] Checking wayland-cursor v0.28.6 [INFO] [stderr] Compiling xkbcommon-sys v0.7.5 [INFO] [stderr] Checking xkb v0.2.1 [INFO] [stderr] Checking Chip-8-emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/emulator/cpu.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/emulator/cpu.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/emulator/keyboard.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/emulator/cpu.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/emulator/cpu.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/emulator/keyboard.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/bus.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Bus { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/chip8.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Chip8 { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/display.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Display { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/bus.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Bus { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/chip8.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Chip8 { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_screen` is never used [INFO] [stdout] --> src/emulator/display.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Display { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn draw_screen(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | 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] 108 | let _ = window.update_with_buffer(&buffer, width, height); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | 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] 108 | let _ = window.update_with_buffer(&buffer, width, height); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.51s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.2.1 [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" "ce833542387dce86b2b60e2f7219c3c4f43ef320d4291af0342684f523315668", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce833542387dce86b2b60e2f7219c3c4f43ef320d4291af0342684f523315668", kill_on_drop: false }` [INFO] [stdout] ce833542387dce86b2b60e2f7219c3c4f43ef320d4291af0342684f523315668