[INFO] cloning repository https://github.com/derekaspaulding/chip-8-emulator-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derekaspaulding/chip-8-emulator-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekaspaulding%2Fchip-8-emulator-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekaspaulding%2Fchip-8-emulator-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60d09f701beaea2538a021f5537bea72933560b5
[INFO] building derekaspaulding/chip-8-emulator-rust against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekaspaulding%2Fchip-8-emulator-rust" "/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/derekaspaulding/chip-8-emulator-rust on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/derekaspaulding/chip-8-emulator-rust
[INFO] finished tweaking git repo https://github.com/derekaspaulding/chip-8-emulator-rust
[INFO] tweaked toml for git repo https://github.com/derekaspaulding/chip-8-emulator-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/derekaspaulding/chip-8-emulator-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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e7bae0ed2cd556176162629b724c8535634b3c9b05b158e0eceffa2dbe0ca4b
[INFO] running `Command { std: "docker" "start" "-a" "3e7bae0ed2cd556176162629b724c8535634b3c9b05b158e0eceffa2dbe0ca4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e7bae0ed2cd556176162629b724c8535634b3c9b05b158e0eceffa2dbe0ca4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7bae0ed2cd556176162629b724c8535634b3c9b05b158e0eceffa2dbe0ca4b", kill_on_drop: false }`
[INFO] [stdout] 3e7bae0ed2cd556176162629b724c8535634b3c9b05b158e0eceffa2dbe0ca4b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e243fd821136d4c5f05e0bd7c00337ef7e8760940cd1224fb47fd954b106919
[INFO] running `Command { std: "docker" "start" "-a" "2e243fd821136d4c5f05e0bd7c00337ef7e8760940cd1224fb47fd954b106919", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip-8-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: structure field `Vx` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Vx: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vy` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Vy: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vx` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     Vx: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vy` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Vy: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "2e243fd821136d4c5f05e0bd7c00337ef7e8760940cd1224fb47fd954b106919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e243fd821136d4c5f05e0bd7c00337ef7e8760940cd1224fb47fd954b106919", kill_on_drop: false }`
[INFO] [stdout] 2e243fd821136d4c5f05e0bd7c00337ef7e8760940cd1224fb47fd954b106919
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07711aa41ed030d0e7ba4d63e5bd41125b2afffa114e16d7d45b35b42335a755
[INFO] running `Command { std: "docker" "start" "-a" "07711aa41ed030d0e7ba4d63e5bd41125b2afffa114e16d7d45b35b42335a755", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip-8-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: structure field `Vx` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Vx: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vy` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Vy: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vx` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     Vx: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vy` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Vy: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "07711aa41ed030d0e7ba4d63e5bd41125b2afffa114e16d7d45b35b42335a755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07711aa41ed030d0e7ba4d63e5bd41125b2afffa114e16d7d45b35b42335a755", kill_on_drop: false }`
[INFO] [stdout] 07711aa41ed030d0e7ba4d63e5bd41125b2afffa114e16d7d45b35b42335a755