[INFO] cloning repository https://github.com/00tanker00/Rust_RPi_UnicornHatHD
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/00tanker00/Rust_RPi_UnicornHatHD" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F00tanker00%2FRust_RPi_UnicornHatHD", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F00tanker00%2FRust_RPi_UnicornHatHD'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c19d46660c3c70198ffffe308b42251122648ae1
[INFO] documenting 00tanker00/Rust_RPi_UnicornHatHD 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%2F00tanker00%2FRust_RPi_UnicornHatHD" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/00tanker00/Rust_RPi_UnicornHatHD 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/00tanker00/Rust_RPi_UnicornHatHD
[INFO] finished tweaking git repo https://github.com/00tanker00/Rust_RPi_UnicornHatHD
[INFO] tweaked toml for git repo https://github.com/00tanker00/Rust_RPi_UnicornHatHD written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/00tanker00/Rust_RPi_UnicornHatHD 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]  Downloading crates ...
[INFO] [stderr]   Downloaded unicorn_hat_hd v0.2.1
[INFO] [stderr]   Downloaded cc v1.0.26
[INFO] [stderr]   Downloaded rgb v0.8.11
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3c7f153c858972c1f208c5eddf2b740026a02af785a18bc6bfbf67641077f28
[INFO] running `Command { std: "docker" "start" "-a" "a3c7f153c858972c1f208c5eddf2b740026a02af785a18bc6bfbf67641077f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3c7f153c858972c1f208c5eddf2b740026a02af785a18bc6bfbf67641077f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c7f153c858972c1f208c5eddf2b740026a02af785a18bc6bfbf67641077f28", kill_on_drop: false }`
[INFO] [stdout] a3c7f153c858972c1f208c5eddf2b740026a02af785a18bc6bfbf67641077f28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efdbb81133edea9da4c6e5f907201cc477e8ab16bc73691acf39df8ea405348d
[INFO] running `Command { std: "docker" "start" "-a" "efdbb81133edea9da4c6e5f907201cc477e8ab16bc73691acf39df8ea405348d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking rgb v0.8.11
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking unicorn_hat_hd v0.2.1
[INFO] [stderr]  Documenting uhd v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.67s
[INFO] running `Command { std: "docker" "inspect" "efdbb81133edea9da4c6e5f907201cc477e8ab16bc73691acf39df8ea405348d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efdbb81133edea9da4c6e5f907201cc477e8ab16bc73691acf39df8ea405348d", kill_on_drop: false }`
[INFO] [stdout] efdbb81133edea9da4c6e5f907201cc477e8ab16bc73691acf39df8ea405348d