[INFO] cloning repository https://github.com/JulesVranckx/chip8rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JulesVranckx/chip8rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulesVranckx%2Fchip8rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulesVranckx%2Fchip8rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bea4101698bede60ee56ea70b0a332ba81905ed6 [INFO] checking JulesVranckx/chip8rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulesVranckx%2Fchip8rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JulesVranckx/chip8rs 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/JulesVranckx/chip8rs [INFO] finished tweaking git repo https://github.com/JulesVranckx/chip8rs [INFO] tweaked toml for git repo https://github.com/JulesVranckx/chip8rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JulesVranckx/chip8rs 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] Downloading crates ... [INFO] [stderr] Downloaded c_vec v1.0.12 [INFO] [stderr] Downloaded clap_derive v3.0.6 [INFO] [stderr] Downloaded sdl2-sys v0.30.0 [INFO] [stderr] Downloaded sdl2 v0.30.0 [INFO] [stderr] Downloaded clap v3.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3e7ac5361ad45384f06304c70f6032a5323130595faf6c0d2fc9eb3f5580c4f2 [INFO] running `Command { std: "docker" "start" "-a" "3e7ac5361ad45384f06304c70f6032a5323130595faf6c0d2fc9eb3f5580c4f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e7ac5361ad45384f06304c70f6032a5323130595faf6c0d2fc9eb3f5580c4f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e7ac5361ad45384f06304c70f6032a5323130595faf6c0d2fc9eb3f5580c4f2", kill_on_drop: false }` [INFO] [stdout] 3e7ac5361ad45384f06304c70f6032a5323130595faf6c0d2fc9eb3f5580c4f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6ead8057b87e5d06295f0729187dd06d35d5f5d03e3926f6b49b7a40f8db28cb [INFO] running `Command { std: "docker" "start" "-a" "6ead8057b87e5d06295f0729187dd06d35d5f5d03e3926f6b49b7a40f8db28cb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling sdl2-sys v0.30.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking c_vec v1.0.12 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking sdl2 v0.30.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.6 [INFO] [stderr] Checking clap v3.0.7 [INFO] [stderr] Checking chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `FRAME_BUFFER_HEIGHT`, `FRAME_BUFFER_LENGTH`, `Instruction` [INFO] [stdout] --> src/main.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use cpu::{CPU, Instruction, FRAME_BUFFER_LENGTH, FRAME_BUFFER_HEIGHT}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/display_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/audio_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/input_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::input_driver::InputDriver` [INFO] [stdout] --> src/drivers/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use self::input_driver::InputDriver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::cartridge_driver::CartridgeDriver` [INFO] [stdout] --> src/drivers/mod.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub use self::cartridge_driver::CartridgeDriver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FRAME_BUFFER_HEIGHT`, `FRAME_BUFFER_LENGTH`, `Instruction` [INFO] [stdout] --> src/main.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use cpu::{CPU, Instruction, FRAME_BUFFER_LENGTH, FRAME_BUFFER_HEIGHT}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/display_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/audio_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/input_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::input_driver::InputDriver` [INFO] [stdout] --> src/drivers/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use self::input_driver::InputDriver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::cartridge_driver::CartridgeDriver` [INFO] [stdout] --> src/drivers/mod.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub use self::cartridge_driver::CartridgeDriver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:837:25 [INFO] [stdout] | [INFO] [stdout] 837 | let mut x = self.v.read(*vx)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:838:25 [INFO] [stdout] | [INFO] [stdout] 838 | let mut y = self.v.read(*vy)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:857:25 [INFO] [stdout] | [INFO] [stdout] 857 | let mut x = self.v.read(*vx)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:858:25 [INFO] [stdout] | [INFO] [stdout] 858 | let mut y = self.v.read(*vy)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SYS` is never constructed [INFO] [stdout] --> src/cpu.rs:999:5 [INFO] [stdout] | [INFO] [stdout] 998 | pub enum Instruction { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 999 | SYS(Addr), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` 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: struct `InputDriver` is never constructed [INFO] [stdout] --> src/drivers/input_driver.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct InputDriver { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `poll` are never used [INFO] [stdout] --> src/drivers/input_driver.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl InputDriver { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new(sdl_context: &sdl2::Sdl) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn poll(&mut self) -> Result<[bool; 16], ()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CartridgeDriver` is never constructed [INFO] [stdout] --> src/drivers/cartridge_driver.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct CartridgeDriver { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/drivers/cartridge_driver.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl CartridgeDriver { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 10 | pub fn new(filename: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:837:25 [INFO] [stdout] | [INFO] [stdout] 837 | let mut x = self.v.read(*vx)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:838:25 [INFO] [stdout] | [INFO] [stdout] 838 | let mut y = self.v.read(*vy)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:857:25 [INFO] [stdout] | [INFO] [stdout] 857 | let mut x = self.v.read(*vx)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:858:25 [INFO] [stdout] | [INFO] [stdout] 858 | let mut y = self.v.read(*vy)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SYS` is never constructed [INFO] [stdout] --> src/cpu.rs:999:5 [INFO] [stdout] | [INFO] [stdout] 998 | pub enum Instruction { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 999 | SYS(Addr), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` 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: struct `InputDriver` is never constructed [INFO] [stdout] --> src/drivers/input_driver.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct InputDriver { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `poll` are never used [INFO] [stdout] --> src/drivers/input_driver.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl InputDriver { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new(sdl_context: &sdl2::Sdl) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn poll(&mut self) -> Result<[bool; 16], ()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CartridgeDriver` is never constructed [INFO] [stdout] --> src/drivers/cartridge_driver.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct CartridgeDriver { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/drivers/cartridge_driver.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl CartridgeDriver { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 10 | pub fn new(filename: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.94s [INFO] running `Command { std: "docker" "inspect" "6ead8057b87e5d06295f0729187dd06d35d5f5d03e3926f6b49b7a40f8db28cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ead8057b87e5d06295f0729187dd06d35d5f5d03e3926f6b49b7a40f8db28cb", kill_on_drop: false }` [INFO] [stdout] 6ead8057b87e5d06295f0729187dd06d35d5f5d03e3926f6b49b7a40f8db28cb [INFO] checking JulesVranckx/chip8rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulesVranckx%2Fchip8rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JulesVranckx/chip8rs 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/JulesVranckx/chip8rs [INFO] finished tweaking git repo https://github.com/JulesVranckx/chip8rs [INFO] tweaked toml for git repo https://github.com/JulesVranckx/chip8rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JulesVranckx/chip8rs 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bec97b2c6349928f470cd9900e7e83d83edb9d960a6a893d8b1b7010b6e4e21c [INFO] running `Command { std: "docker" "start" "-a" "bec97b2c6349928f470cd9900e7e83d83edb9d960a6a893d8b1b7010b6e4e21c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bec97b2c6349928f470cd9900e7e83d83edb9d960a6a893d8b1b7010b6e4e21c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bec97b2c6349928f470cd9900e7e83d83edb9d960a6a893d8b1b7010b6e4e21c", kill_on_drop: false }` [INFO] [stdout] bec97b2c6349928f470cd9900e7e83d83edb9d960a6a893d8b1b7010b6e4e21c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4d32875c21d40b27a6f5c8ce93e25b7dace8c88ddf041689b10c0b40778f2c13 [INFO] running `Command { std: "docker" "start" "-a" "4d32875c21d40b27a6f5c8ce93e25b7dace8c88ddf041689b10c0b40778f2c13", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling sdl2-sys v0.30.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking c_vec v1.0.12 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking sdl2 v0.30.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.6 [INFO] [stderr] Checking clap v3.0.7 [INFO] [stderr] Checking chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `FRAME_BUFFER_HEIGHT`, `FRAME_BUFFER_LENGTH`, `Instruction` [INFO] [stdout] --> src/main.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use cpu::{CPU, Instruction, FRAME_BUFFER_LENGTH, FRAME_BUFFER_HEIGHT}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/display_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/audio_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/input_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::input_driver::InputDriver` [INFO] [stdout] --> src/drivers/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use self::input_driver::InputDriver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::cartridge_driver::CartridgeDriver` [INFO] [stdout] --> src/drivers/mod.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub use self::cartridge_driver::CartridgeDriver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FRAME_BUFFER_HEIGHT`, `FRAME_BUFFER_LENGTH`, `Instruction` [INFO] [stdout] --> src/main.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use cpu::{CPU, Instruction, FRAME_BUFFER_LENGTH, FRAME_BUFFER_HEIGHT}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/display_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/audio_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sdl2` is imported redundantly [INFO] [stdout] --> src/drivers/input_driver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2; [INFO] [stdout] | ^^^^ the item `sdl2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::input_driver::InputDriver` [INFO] [stdout] --> src/drivers/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use self::input_driver::InputDriver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::cartridge_driver::CartridgeDriver` [INFO] [stdout] --> src/drivers/mod.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub use self::cartridge_driver::CartridgeDriver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:837:25 [INFO] [stdout] | [INFO] [stdout] 837 | let mut x = self.v.read(*vx)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:838:25 [INFO] [stdout] | [INFO] [stdout] 838 | let mut y = self.v.read(*vy)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:857:25 [INFO] [stdout] | [INFO] [stdout] 857 | let mut x = self.v.read(*vx)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:858:25 [INFO] [stdout] | [INFO] [stdout] 858 | let mut y = self.v.read(*vy)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SYS` is never constructed [INFO] [stdout] --> src/cpu.rs:999:5 [INFO] [stdout] | [INFO] [stdout] 998 | pub enum Instruction { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 999 | SYS(Addr), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` 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: struct `InputDriver` is never constructed [INFO] [stdout] --> src/drivers/input_driver.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct InputDriver { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:837:25 [INFO] [stdout] | [INFO] [stdout] 837 | let mut x = self.v.read(*vx)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:838:25 [INFO] [stdout] | [INFO] [stdout] 838 | let mut y = self.v.read(*vy)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:857:25 [INFO] [stdout] | [INFO] [stdout] 857 | let mut x = self.v.read(*vx)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:858:25 [INFO] [stdout] | [INFO] [stdout] 858 | let mut y = self.v.read(*vy)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `poll` are never used [INFO] [stdout] --> src/drivers/input_driver.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl InputDriver { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new(sdl_context: &sdl2::Sdl) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn poll(&mut self) -> Result<[bool; 16], ()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CartridgeDriver` is never constructed [INFO] [stdout] --> src/drivers/cartridge_driver.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct CartridgeDriver { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/drivers/cartridge_driver.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl CartridgeDriver { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 10 | pub fn new(filename: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SYS` is never constructed [INFO] [stdout] --> src/cpu.rs:999:5 [INFO] [stdout] | [INFO] [stdout] 998 | pub enum Instruction { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 999 | SYS(Addr), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` 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: struct `InputDriver` is never constructed [INFO] [stdout] --> src/drivers/input_driver.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct InputDriver { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `poll` are never used [INFO] [stdout] --> src/drivers/input_driver.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl InputDriver { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new(sdl_context: &sdl2::Sdl) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn poll(&mut self) -> Result<[bool; 16], ()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CartridgeDriver` is never constructed [INFO] [stdout] --> src/drivers/cartridge_driver.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct CartridgeDriver { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/drivers/cartridge_driver.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl CartridgeDriver { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 10 | pub fn new(filename: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.11s [INFO] running `Command { std: "docker" "inspect" "4d32875c21d40b27a6f5c8ce93e25b7dace8c88ddf041689b10c0b40778f2c13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d32875c21d40b27a6f5c8ce93e25b7dace8c88ddf041689b10c0b40778f2c13", kill_on_drop: false }` [INFO] [stdout] 4d32875c21d40b27a6f5c8ce93e25b7dace8c88ddf041689b10c0b40778f2c13