[INFO] cloning repository https://github.com/lmarzocchetti/rust_chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lmarzocchetti/rust_chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmarzocchetti%2Frust_chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmarzocchetti%2Frust_chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 640965cd14e0c61d6e3ec3be4efa8c9f7f7ed72b
[INFO] building lmarzocchetti/rust_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%2Flmarzocchetti%2Frust_chip8" "/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/lmarzocchetti/rust_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/lmarzocchetti/rust_chip8
[INFO] finished tweaking git repo https://github.com/lmarzocchetti/rust_chip8
[INFO] tweaked toml for git repo https://github.com/lmarzocchetti/rust_chip8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lmarzocchetti/rust_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] 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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba7ca69bbfe25f699b4754545686abad4ebc0cfd6f78a0e403496e7c8b5717c0
[INFO] running `Command { std: "docker" "start" "-a" "ba7ca69bbfe25f699b4754545686abad4ebc0cfd6f78a0e403496e7c8b5717c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba7ca69bbfe25f699b4754545686abad4ebc0cfd6f78a0e403496e7c8b5717c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7ca69bbfe25f699b4754545686abad4ebc0cfd6f78a0e403496e7c8b5717c0", kill_on_drop: false }`
[INFO] [stdout] ba7ca69bbfe25f699b4754545686abad4ebc0cfd6f78a0e403496e7c8b5717c0
[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=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] cfd4a9f548012f9c90311f6d733993a667222c37e0d6614aa2af2351e26607d4
[INFO] running `Command { std: "docker" "start" "-a" "cfd4a9f548012f9c90311f6d733993a667222c37e0d6614aa2af2351e26607d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.36.0
[INFO] [stderr]    Compiling sdl2-sys v0.36.0
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rust_chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `New` is never constructed
[INFO] [stdout]   --> lib/chip.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum InstrVersion {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 13 |     Old,
[INFO] [stdout] 14 |     New,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sdl_context` and `video_subsystem` are never read
[INFO] [stdout]   --> lib/display.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Display {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     sdl_context: Sdl,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     video_subsystem: VideoSubsystem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "cfd4a9f548012f9c90311f6d733993a667222c37e0d6614aa2af2351e26607d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd4a9f548012f9c90311f6d733993a667222c37e0d6614aa2af2351e26607d4", kill_on_drop: false }`
[INFO] [stdout] cfd4a9f548012f9c90311f6d733993a667222c37e0d6614aa2af2351e26607d4
[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=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] 01900f4d6aa2cca43aad3ce2b0d387100a3be26777e850015b82243fa497db63
[INFO] running `Command { std: "docker" "start" "-a" "01900f4d6aa2cca43aad3ce2b0d387100a3be26777e850015b82243fa497db63", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `New` is never constructed
[INFO] [stdout]   --> lib/chip.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum InstrVersion {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 13 |     Old,
[INFO] [stdout] 14 |     New,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sdl_context` and `video_subsystem` are never read
[INFO] [stdout]   --> lib/display.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Display {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     sdl_context: Sdl,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     video_subsystem: VideoSubsystem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `New` is never constructed
[INFO] [stdout]   --> lib/chip.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum InstrVersion {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 13 |     Old,
[INFO] [stdout] 14 |     New,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sdl_context` and `video_subsystem` are never read
[INFO] [stdout]   --> lib/display.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Display {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     sdl_context: Sdl,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     video_subsystem: VideoSubsystem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "01900f4d6aa2cca43aad3ce2b0d387100a3be26777e850015b82243fa497db63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01900f4d6aa2cca43aad3ce2b0d387100a3be26777e850015b82243fa497db63", kill_on_drop: false }`
[INFO] [stdout] 01900f4d6aa2cca43aad3ce2b0d387100a3be26777e850015b82243fa497db63