[INFO] cloning repository https://github.com/nt591/chip8-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nt591/chip8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnt591%2Fchip8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnt591%2Fchip8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7307a5888bdc5f42867d52740d753e747652e443
[INFO] checking nt591/chip8-rs against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnt591%2Fchip8-rs" "/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/nt591/chip8-rs on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nt591/chip8-rs
[INFO] finished tweaking git repo https://github.com/nt591/chip8-rs
[INFO] tweaked toml for git repo https://github.com/nt591/chip8-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nt591/chip8-rs 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking nt591/chip8-rs against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnt591%2Fchip8-rs" "/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/nt591/chip8-rs on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nt591/chip8-rs
[INFO] finished tweaking git repo https://github.com/nt591/chip8-rs
[INFO] tweaked toml for git repo https://github.com/nt591/chip8-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nt591/chip8-rs 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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c9655715f4423045e73df7eb31d31def50e4f170b9f9270738891de86410c73
[INFO] running `Command { std: "docker" "start" "-a" "8c9655715f4423045e73df7eb31d31def50e4f170b9f9270738891de86410c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c9655715f4423045e73df7eb31d31def50e4f170b9f9270738891de86410c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9655715f4423045e73df7eb31d31def50e4f170b9f9270738891de86410c73", kill_on_drop: false }`
[INFO] [stdout] 8c9655715f4423045e73df7eb31d31def50e4f170b9f9270738891de86410c73
[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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 418b4ee7d8a060d2d6f8d05fe1f7b3000b036d5158c4c157014f5cbc334eabc2
[INFO] running `Command { std: "docker" "start" "-a" "418b4ee7d8a060d2d6f8d05fe1f7b3000b036d5158c4c157014f5cbc334eabc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking chip8-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/stack.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for i in 0..15 {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMORY_SIZE` is never used
[INFO] [stdout]  --> src/memory.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const MEMORY_SIZE: usize = 2 << 11; //4096
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROM_ADDR` is never used
[INFO] [stdout]  --> src/memory.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const ROM_ADDR: usize = 2 << 8; // 512
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FONT_ADDR` is never used
[INFO] [stdout]  --> src/memory.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const FONT_ADDR: usize = 0x050; // by convention
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]  --> src/memory.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Memory {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Memory` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/memory.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Memory {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `FONT` is never used
[INFO] [stdout]  --> src/screen/font.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub static FONT: [u8; 80] = [
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `screen` is never read
[INFO] [stdout]  --> src/screen/screen.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Screen {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 5 |     screen: [BitArray; 32], // 64 pixels wide, 32 pixels tall
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Screen` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stack` and `sp` are never read
[INFO] [stdout]  --> src/stack.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Stack {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 3 |     // limited to 16 2-byte entries
[INFO] [stdout] 4 |     stack: [u16; 16],
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     sp: usize, // index
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push` and `pop` are never used
[INFO] [stdout]   --> src/stack.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Stack {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 9  |     fn push(&mut self, val: u16) -> Result<(), &str> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn pop(&mut self) -> Result<u16, &str> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMORY_SIZE` is never used
[INFO] [stdout]  --> src/memory.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const MEMORY_SIZE: usize = 2 << 11; //4096
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROM_ADDR` is never used
[INFO] [stdout]  --> src/memory.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const ROM_ADDR: usize = 2 << 8; // 512
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FONT_ADDR` is never used
[INFO] [stdout]  --> src/memory.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const FONT_ADDR: usize = 0x050; // by convention
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]  --> src/memory.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Memory {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Memory` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/memory.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Memory {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `FONT` is never used
[INFO] [stdout]  --> src/screen/font.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub static FONT: [u8; 80] = [
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `screen` is never read
[INFO] [stdout]  --> src/screen/screen.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Screen {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 5 |     screen: [BitArray; 32], // 64 pixels wide, 32 pixels tall
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Screen` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "418b4ee7d8a060d2d6f8d05fe1f7b3000b036d5158c4c157014f5cbc334eabc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418b4ee7d8a060d2d6f8d05fe1f7b3000b036d5158c4c157014f5cbc334eabc2", kill_on_drop: false }`
[INFO] [stdout] 418b4ee7d8a060d2d6f8d05fe1f7b3000b036d5158c4c157014f5cbc334eabc2
