[INFO] cloning repository https://github.com/anzbert/rust_pi_metronome
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anzbert/rust_pi_metronome" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanzbert%2Frust_pi_metronome", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanzbert%2Frust_pi_metronome'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95091873bbdec31337786a9396800395d5492df4
[INFO] documenting anzbert/rust_pi_metronome against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanzbert%2Frust_pi_metronome" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anzbert/rust_pi_metronome on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anzbert/rust_pi_metronome
[INFO] finished tweaking git repo https://github.com/anzbert/rust_pi_metronome
[INFO] tweaked toml for git repo https://github.com/anzbert/rust_pi_metronome written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/anzbert/rust_pi_metronome already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] bf22de898255d8c5477fd33a4c42feaa34226f17d12bca79e07bb4a162f8f62a
[INFO] running `Command { std: "docker" "start" "-a" "bf22de898255d8c5477fd33a4c42feaa34226f17d12bca79e07bb4a162f8f62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf22de898255d8c5477fd33a4c42feaa34226f17d12bca79e07bb4a162f8f62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf22de898255d8c5477fd33a4c42feaa34226f17d12bca79e07bb4a162f8f62a", kill_on_drop: false }`
[INFO] [stdout] bf22de898255d8c5477fd33a4c42feaa34226f17d12bca79e07bb4a162f8f62a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 7d5969aac83038b34c87ec21446c52aae0e531943faa81dbb87d6d7b136cc89a
[INFO] running `Command { std: "docker" "start" "-a" "7d5969aac83038b34c87ec21446c52aae0e531943faa81dbb87d6d7b136cc89a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling libloading v0.7.1
[INFO] [stderr]    Compiling cmake v0.1.46
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rppal v0.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling cexpr v0.5.0
[INFO] [stderr]    Compiling ableton-link v0.1.0 (https://github.com/jmyhrman/ableton-link-rs#e7b9fc2e)
[INFO] [stderr]    Compiling rs_ws281x v0.4.2 (https://github.com/anzbert/rpi-ws281x-rust#887babf3)
[INFO] [stderr]  Documenting rust_pi_metronome v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "7d5969aac83038b34c87ec21446c52aae0e531943faa81dbb87d6d7b136cc89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5969aac83038b34c87ec21446c52aae0e531943faa81dbb87d6d7b136cc89a", kill_on_drop: false }`
[INFO] [stdout] 7d5969aac83038b34c87ec21446c52aae0e531943faa81dbb87d6d7b136cc89a