[INFO] cloning repository https://github.com/ernstnaezer/learning-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/ernstnaezer/learning-rust-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernstnaezer%2Flearning-rust-chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernstnaezer%2Flearning-rust-chip8'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernstnaezer%2Flearning-rust-chip8: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/ernstnaezer/learning-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/ernstnaezer/learning-rust-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernstnaezer%2Flearning-rust-chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernstnaezer%2Flearning-rust-chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3186c80ceb690a2531c5a2a7a2b1532991adaf1
[INFO] checking ernstnaezer/learning-rust-chip8 against master#90384941aae4ea38de00e4702b50757e9b882a19 for pr-138340
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernstnaezer%2Flearning-rust-chip8" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ernstnaezer/learning-rust-chip8 on toolchain 90384941aae4ea38de00e4702b50757e9b882a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ernstnaezer/learning-rust-chip8
[INFO] finished tweaking git repo https://github.com/ernstnaezer/learning-rust-chip8
[INFO] tweaked toml for git repo https://github.com/ernstnaezer/learning-rust-chip8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ernstnaezer/learning-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" "+90384941aae4ea38de00e4702b50757e9b882a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b29bb75bfba38b0c15937ed1df3d2ce6b16849371fb7f8a6497ce2e3d38ddcb
[INFO] running `Command { std: "docker" "start" "-a" "1b29bb75bfba38b0c15937ed1df3d2ce6b16849371fb7f8a6497ce2e3d38ddcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b29bb75bfba38b0c15937ed1df3d2ce6b16849371fb7f8a6497ce2e3d38ddcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b29bb75bfba38b0c15937ed1df3d2ce6b16849371fb7f8a6497ce2e3d38ddcb", kill_on_drop: false }`
[INFO] [stdout] 1b29bb75bfba38b0c15937ed1df3d2ce6b16849371fb7f8a6497ce2e3d38ddcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3c4589bc10bec0c5e61413098e058a24146f21b8f56ed1abbeec5b99f9a5ea9
[INFO] running `Command { std: "docker" "start" "-a" "e3c4589bc10bec0c5e61413098e058a24146f21b8f56ed1abbeec5b99f9a5ea9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chip8-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     'running: loop {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     'running: loop {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/drivers/cartridge_driver.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CartridgeDriver {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 6 |     pub rom: [u8; 3584],
[INFO] [stdout] 7 |     pub size: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/drivers/cartridge_driver.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CartridgeDriver {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 6 |     pub rom: [u8; 3584],
[INFO] [stdout] 7 |     pub size: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "e3c4589bc10bec0c5e61413098e058a24146f21b8f56ed1abbeec5b99f9a5ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c4589bc10bec0c5e61413098e058a24146f21b8f56ed1abbeec5b99f9a5ea9", kill_on_drop: false }`
[INFO] [stdout] e3c4589bc10bec0c5e61413098e058a24146f21b8f56ed1abbeec5b99f9a5ea9