[INFO] cloning repository https://github.com/luvies/rust-rpi-led-matrix-controller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luvies/rust-rpi-led-matrix-controller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluvies%2Frust-rpi-led-matrix-controller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluvies%2Frust-rpi-led-matrix-controller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 883c1cad69398dfa8af24ed3abc5a4de9b5d3631
[INFO] documenting luvies/rust-rpi-led-matrix-controller against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluvies%2Frust-rpi-led-matrix-controller" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luvies/rust-rpi-led-matrix-controller on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luvies/rust-rpi-led-matrix-controller
[INFO] finished tweaking git repo https://github.com/luvies/rust-rpi-led-matrix-controller
[INFO] tweaked toml for git repo https://github.com/luvies/rust-rpi-led-matrix-controller written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/luvies/rust-rpi-led-matrix-controller already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sphinxc0re/rust-rpi-rgb-led-matrix`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6048d025a48a1d59a54caed475b115dc724f270c0b6f8a8d5bb3f6edbdc25767
[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" "6048d025a48a1d59a54caed475b115dc724f270c0b6f8a8d5bb3f6edbdc25767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6048d025a48a1d59a54caed475b115dc724f270c0b6f8a8d5bb3f6edbdc25767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6048d025a48a1d59a54caed475b115dc724f270c0b6f8a8d5bb3f6edbdc25767", kill_on_drop: false }`
[INFO] [stdout] 6048d025a48a1d59a54caed475b115dc724f270c0b6f8a8d5bb3f6edbdc25767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e8ce8464c2212816bac3651bc7024e6507db5ecd3110666b448fc82b1ffeb32
[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" "1e8ce8464c2212816bac3651bc7024e6507db5ecd3110666b448fc82b1ffeb32", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rust_rpi_led_matrix_controller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rpi-led-matrix v0.1.1 (https://github.com/sphinxc0re/rust-rpi-rgb-led-matrix#4e44d037)
[INFO] [stderr]  Documenting rust_rpi_led_matrix_controller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `Command { std: "docker" "inspect" "1e8ce8464c2212816bac3651bc7024e6507db5ecd3110666b448fc82b1ffeb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8ce8464c2212816bac3651bc7024e6507db5ecd3110666b448fc82b1ffeb32", kill_on_drop: false }`
[INFO] [stdout] 1e8ce8464c2212816bac3651bc7024e6507db5ecd3110666b448fc82b1ffeb32