[INFO] cloning repository https://github.com/maxjoehnk/rpi-led-matrix-opc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxjoehnk/rpi-led-matrix-opc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjoehnk%2Frpi-led-matrix-opc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjoehnk%2Frpi-led-matrix-opc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb780ef0d7fabe78f6ca5f29245c9873dd6b51c7
[INFO] documenting maxjoehnk/rpi-led-matrix-opc against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjoehnk%2Frpi-led-matrix-opc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxjoehnk/rpi-led-matrix-opc on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxjoehnk/rpi-led-matrix-opc
[INFO] finished tweaking git repo https://github.com/maxjoehnk/rpi-led-matrix-opc
[INFO] tweaked toml for git repo https://github.com/maxjoehnk/rpi-led-matrix-opc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/maxjoehnk/rpi-led-matrix-opc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a08857cd00726378d51eefe409f24c72a9907077e84c7d31c05398b301ae3ad4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a08857cd00726378d51eefe409f24c72a9907077e84c7d31c05398b301ae3ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a08857cd00726378d51eefe409f24c72a9907077e84c7d31c05398b301ae3ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08857cd00726378d51eefe409f24c72a9907077e84c7d31c05398b301ae3ad4", kill_on_drop: false }`
[INFO] [stdout] a08857cd00726378d51eefe409f24c72a9907077e84c7d31c05398b301ae3ad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81338f435de30a7d8bb2d67135bb490def0300c313c1d99bdfd445824aca1d60
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "81338f435de30a7d8bb2d67135bb490def0300c313c1d99bdfd445824aca1d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking event-listener v2.3.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]    Compiling rpi-led-matrix v0.1.1 (https://github.com/helvethor/rust-rpi-rgb-led-matrix#a807847b)
[INFO] [stderr]     Checking concurrent-queue v1.2.1
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]  Documenting rpi-led-matrix-opc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.34s
[INFO] running `Command { std: "docker" "inspect" "81338f435de30a7d8bb2d67135bb490def0300c313c1d99bdfd445824aca1d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81338f435de30a7d8bb2d67135bb490def0300c313c1d99bdfd445824aca1d60", kill_on_drop: false }`
[INFO] [stdout] 81338f435de30a7d8bb2d67135bb490def0300c313c1d99bdfd445824aca1d60