[INFO] cloning repository https://github.com/cadecolvin/chip8-emu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cadecolvin/chip8-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadecolvin%2Fchip8-emu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadecolvin%2Fchip8-emu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c1bcfb61d1ad2231286798caaca9ed67d0a1e64 [INFO] checking cadecolvin/chip8-emu against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadecolvin%2Fchip8-emu" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cadecolvin/chip8-emu [INFO] finished tweaking git repo https://github.com/cadecolvin/chip8-emu [INFO] tweaked toml for git repo https://github.com/cadecolvin/chip8-emu written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cadecolvin/chip8-emu on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cadecolvin/chip8-emu 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking cadecolvin/chip8-emu against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadecolvin%2Fchip8-emu" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cadecolvin/chip8-emu [INFO] finished tweaking git repo https://github.com/cadecolvin/chip8-emu [INFO] tweaked toml for git repo https://github.com/cadecolvin/chip8-emu written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cadecolvin/chip8-emu on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cadecolvin/chip8-emu 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded getrandom v0.1.12 [INFO] [stderr] Downloaded c2-chacha v0.2.2 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded ppv-lite86 v0.2.5 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded rand v0.7.0 [INFO] [stderr] Downloaded libc v0.2.62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32aea709d523d0a7830471a4efd972bac00ccb678454c37978c07f456d0d7dfd [INFO] running `Command { std: "docker" "start" "-a" "32aea709d523d0a7830471a4efd972bac00ccb678454c37978c07f456d0d7dfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32aea709d523d0a7830471a4efd972bac00ccb678454c37978c07f456d0d7dfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32aea709d523d0a7830471a4efd972bac00ccb678454c37978c07f456d0d7dfd", kill_on_drop: false }` [INFO] [stdout] 32aea709d523d0a7830471a4efd972bac00ccb678454c37978c07f456d0d7dfd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d009de0d478c2593e2a40d3b75a1f35ca5a3f242568cc718e26698b0554ec983 [INFO] running `Command { std: "docker" "start" "-a" "d009de0d478c2593e2a40d3b75a1f35ca5a3f242568cc718e26698b0554ec983", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking chip8-emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:139:21 [INFO] [stdout] | [INFO] [stdout] 139 | let mut sprite_idx = self.addr_register; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `pixel_flipped` is assigned to, but never used [INFO] [stdout] --> src/chip8.rs:140:21 [INFO] [stdout] | [INFO] [stdout] 140 | let mut pixel_flipped = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_pixel_flipped` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_flipped` is never read [INFO] [stdout] --> src/chip8.rs:157:29 [INFO] [stdout] | [INFO] [stdout] 157 | ... pixel_flipped = true; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chip8` [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let chip8 = Chip8::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chip8` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/chip8.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Chip8 { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 4 | pub stack: [u16; 16], [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | pub stack_pointer: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 6 | pub program_counter: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | [INFO] [stdout] 8 | pub memory: [u8; 4096], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | [INFO] [stdout] 10 | pub registers: [u8; 16], [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 11 | pub addr_register: u16, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 12 | [INFO] [stdout] 13 | pub screen: [[bool; 64]; 32], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | [INFO] [stdout] 15 | pub delay_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 16 | pub sound_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `execute_cycle`, `read_word`, and `process_opcode` are never used [INFO] [stdout] --> src/chip8.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Chip8 { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn execute_cycle(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn read_word(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn process_opcode(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:139:21 [INFO] [stdout] | [INFO] [stdout] 139 | let mut sprite_idx = self.addr_register; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `pixel_flipped` is assigned to, but never used [INFO] [stdout] --> src/chip8.rs:140:21 [INFO] [stdout] | [INFO] [stdout] 140 | let mut pixel_flipped = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_pixel_flipped` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_flipped` is never read [INFO] [stdout] --> src/chip8.rs:157:29 [INFO] [stdout] | [INFO] [stdout] 157 | ... pixel_flipped = true; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chip8` [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let chip8 = Chip8::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chip8` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/chip8.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Chip8 { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 4 | pub stack: [u16; 16], [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | pub stack_pointer: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 6 | pub program_counter: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | [INFO] [stdout] 8 | pub memory: [u8; 4096], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | [INFO] [stdout] 10 | pub registers: [u8; 16], [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 11 | pub addr_register: u16, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 12 | [INFO] [stdout] 13 | pub screen: [[bool; 64]; 32], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | [INFO] [stdout] 15 | pub delay_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 16 | pub sound_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `execute_cycle`, `read_word`, and `process_opcode` are never used [INFO] [stdout] --> src/chip8.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Chip8 { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn execute_cycle(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn read_word(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn process_opcode(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.83s [INFO] running `Command { std: "docker" "inspect" "d009de0d478c2593e2a40d3b75a1f35ca5a3f242568cc718e26698b0554ec983", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d009de0d478c2593e2a40d3b75a1f35ca5a3f242568cc718e26698b0554ec983", kill_on_drop: false }` [INFO] [stdout] d009de0d478c2593e2a40d3b75a1f35ca5a3f242568cc718e26698b0554ec983