[INFO] fetching crate max-7219-led-matrix-util 0.2.4...
[INFO] checking max-7219-led-matrix-util-0.2.4 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate max-7219-led-matrix-util 0.2.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate max-7219-led-matrix-util 0.2.4 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate max-7219-led-matrix-util 0.2.4
[INFO] finished tweaking crates.io crate max-7219-led-matrix-util 0.2.4
[INFO] tweaked toml for crates.io crate max-7219-led-matrix-util 0.2.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate max-7219-led-matrix-util 0.2.4 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded max7219 v0.3.1
[INFO] [stderr]   Downloaded gpio-cdev v0.5.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6105179990d0698bcd4009c992bff13f63ee0e9391ac24c0e3c73a12cdf73b7c
[INFO] running `Command { std: "docker" "start" "-a" "6105179990d0698bcd4009c992bff13f63ee0e9391ac24c0e3c73a12cdf73b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6105179990d0698bcd4009c992bff13f63ee0e9391ac24c0e3c73a12cdf73b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6105179990d0698bcd4009c992bff13f63ee0e9391ac24c0e3c73a12cdf73b7c", kill_on_drop: false }`
[INFO] [stdout] 6105179990d0698bcd4009c992bff13f63ee0e9391ac24c0e3c73a12cdf73b7c
[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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 433d4b9b0d2a7030622e3cde44302a1a13f9fe671352daf9f783e1198c22cfbe
[INFO] running `Command { std: "docker" "start" "-a" "433d4b9b0d2a7030622e3cde44302a1a13f9fe671352daf9f783e1198c22cfbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking max7219 v0.3.1
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking gpio-cdev v0.5.1
[INFO] [stderr]     Checking max-7219-led-matrix-util v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "433d4b9b0d2a7030622e3cde44302a1a13f9fe671352daf9f783e1198c22cfbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "433d4b9b0d2a7030622e3cde44302a1a13f9fe671352daf9f783e1198c22cfbe", kill_on_drop: false }`
[INFO] [stdout] 433d4b9b0d2a7030622e3cde44302a1a13f9fe671352daf9f783e1198c22cfbe