[INFO] cloning repository https://github.com/nstylo/chip8-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nstylo/chip8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstylo%2Fchip8-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstylo%2Fchip8-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8df863d9fbd7eb7b13c8138428616d596436a329 [INFO] building nstylo/chip8-rust 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%2Fnstylo%2Fchip8-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nstylo/chip8-rust 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/nstylo/chip8-rust [INFO] finished tweaking git repo https://github.com/nstylo/chip8-rust [INFO] tweaked toml for git repo https://github.com/nstylo/chip8-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nstylo/chip8-rust 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ac7ecb4b2a33201050ae362c675a9d5e3f7d4bea641d1b882c816d8dc11141d2 [INFO] running `Command { std: "docker" "start" "-a" "ac7ecb4b2a33201050ae362c675a9d5e3f7d4bea641d1b882c816d8dc11141d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac7ecb4b2a33201050ae362c675a9d5e3f7d4bea641d1b882c816d8dc11141d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac7ecb4b2a33201050ae362c675a9d5e3f7d4bea641d1b882c816d8dc11141d2", kill_on_drop: false }` [INFO] [stdout] ac7ecb4b2a33201050ae362c675a9d5e3f7d4bea641d1b882c816d8dc11141d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] da3ce768db6acd7cc3fa9e1105833a860057d0c347096c22bbf20f67b76f5696 [INFO] running `Command { std: "docker" "start" "-a" "da3ce768db6acd7cc3fa9e1105833a860057d0c347096c22bbf20f67b76f5696", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling chip8-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/cpu.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let n = opcode.0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cpu` is never constructed [INFO] [stdout] --> src/cpu.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Cpu { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `write`, `read`, `load_rom`, `load_instruction`, and `run_instruction` are never used [INFO] [stdout] --> src/cpu.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Cpu { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 15 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn write(&mut self, address: u16, value: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | fn read(&self, address: u16) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn load_rom(&mut self, data: &Vec) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn load_instruction(&self, addr: u16) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn run_instruction(&mut self, instruction: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.74s [INFO] running `Command { std: "docker" "inspect" "da3ce768db6acd7cc3fa9e1105833a860057d0c347096c22bbf20f67b76f5696", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da3ce768db6acd7cc3fa9e1105833a860057d0c347096c22bbf20f67b76f5696", kill_on_drop: false }` [INFO] [stdout] da3ce768db6acd7cc3fa9e1105833a860057d0c347096c22bbf20f67b76f5696 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] afaea3420e558f2fb92c1dd93a2e6f276f19bd81da87aa0ea7bff5c660332bd2 [INFO] running `Command { std: "docker" "start" "-a" "afaea3420e558f2fb92c1dd93a2e6f276f19bd81da87aa0ea7bff5c660332bd2", kill_on_drop: false }` [INFO] [stderr] Compiling chip8-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/cpu.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let n = opcode.0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cpu` is never constructed [INFO] [stdout] --> src/cpu.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Cpu { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `write`, `read`, `load_rom`, `load_instruction`, and `run_instruction` are never used [INFO] [stdout] --> src/cpu.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Cpu { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 15 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn write(&mut self, address: u16, value: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | fn read(&self, address: u16) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn load_rom(&mut self, data: &Vec) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn load_instruction(&self, addr: u16) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn run_instruction(&mut self, instruction: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "afaea3420e558f2fb92c1dd93a2e6f276f19bd81da87aa0ea7bff5c660332bd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afaea3420e558f2fb92c1dd93a2e6f276f19bd81da87aa0ea7bff5c660332bd2", kill_on_drop: false }` [INFO] [stdout] afaea3420e558f2fb92c1dd93a2e6f276f19bd81da87aa0ea7bff5c660332bd2