[INFO] cloning repository https://github.com/revan730/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/revan730/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frevan730%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frevan730%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae5bdeaebd55f1d9cbe4f8e70f433db528a99fab
[INFO] building revan730/chip8 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%2Frevan730%2Fchip8" "/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/revan730/chip8 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/revan730/chip8
[INFO] finished tweaking git repo https://github.com/revan730/chip8
[INFO] tweaked toml for git repo https://github.com/revan730/chip8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/revan730/chip8 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]     Updating git repository `https://github.com/bjz/gl-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/OpenGL-Registry.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/angle.git`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/EGL-Registry.git`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/WebGL.git`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/WebGLDeveloperTools.git`
[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] 0cbe4a9667800ac09a02365fca3d1e5dda653cea41dff5210a41ef3cbd949694
[INFO] running `Command { std: "docker" "start" "-a" "0cbe4a9667800ac09a02365fca3d1e5dda653cea41dff5210a41ef3cbd949694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cbe4a9667800ac09a02365fca3d1e5dda653cea41dff5210a41ef3cbd949694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cbe4a9667800ac09a02365fca3d1e5dda653cea41dff5210a41ef3cbd949694", kill_on_drop: false }`
[INFO] [stdout] 0cbe4a9667800ac09a02365fca3d1e5dda653cea41dff5210a41ef3cbd949694
[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] adf71148577f2a5dc38b2f5d4433981c46e1bbe54028f9f7ce0b9a94ec87c796
[INFO] running `Command { std: "docker" "start" "-a" "adf71148577f2a5dc38b2f5d4433981c46e1bbe54028f9f7ce0b9a94ec87c796", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling khronos_api v3.2.0 (https://github.com/bjz/gl-rs#1cd256c7)
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling gl_generator v0.14.1 (https://github.com/bjz/gl-rs#1cd256c7)
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling gl v0.14.0 (https://github.com/bjz/gl-rs#1cd256c7)
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/cpu.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Cpu {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Sys` is never constructed
[INFO] [stdout]  --> src/instructions.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Instructions {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 3 |     Sys, // Unused on interpreters
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instructions` 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: field `kind` is never read
[INFO] [stdout]   --> src/opcode_decoders.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ArgumentDecoder {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub kind: ArgumentType,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArgumentDecoder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/opcode_decoders.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct OpcodeDecoder<'a> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 20 |     pub name: &'a str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpcodeDecoder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "adf71148577f2a5dc38b2f5d4433981c46e1bbe54028f9f7ce0b9a94ec87c796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf71148577f2a5dc38b2f5d4433981c46e1bbe54028f9f7ce0b9a94ec87c796", kill_on_drop: false }`
[INFO] [stdout] adf71148577f2a5dc38b2f5d4433981c46e1bbe54028f9f7ce0b9a94ec87c796
[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] 59188c0b574d5deb53df4e1e89410bda5f5914734760e6b405218a26d30e4093
[INFO] running `Command { std: "docker" "start" "-a" "59188c0b574d5deb53df4e1e89410bda5f5914734760e6b405218a26d30e4093", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/cpu.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Cpu {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Sys` is never constructed
[INFO] [stdout]  --> src/instructions.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Instructions {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 3 |     Sys, // Unused on interpreters
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instructions` 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: field `kind` is never read
[INFO] [stdout]   --> src/opcode_decoders.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ArgumentDecoder {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub kind: ArgumentType,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArgumentDecoder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/opcode_decoders.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct OpcodeDecoder<'a> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 20 |     pub name: &'a str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpcodeDecoder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "59188c0b574d5deb53df4e1e89410bda5f5914734760e6b405218a26d30e4093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59188c0b574d5deb53df4e1e89410bda5f5914734760e6b405218a26d30e4093", kill_on_drop: false }`
[INFO] [stdout] 59188c0b574d5deb53df4e1e89410bda5f5914734760e6b405218a26d30e4093