[INFO] cloning repository https://github.com/TheGizmoDojo/UltrasonicPiPiano
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheGizmoDojo/UltrasonicPiPiano" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGizmoDojo%2FUltrasonicPiPiano", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGizmoDojo%2FUltrasonicPiPiano'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ceb3f3be1a3455b58d4c22a1f5fad547135ab97d
[INFO] documenting TheGizmoDojo/UltrasonicPiPiano against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGizmoDojo%2FUltrasonicPiPiano" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheGizmoDojo/UltrasonicPiPiano on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheGizmoDojo/UltrasonicPiPiano
[INFO] finished tweaking git repo https://github.com/TheGizmoDojo/UltrasonicPiPiano
[INFO] tweaked toml for git repo https://github.com/TheGizmoDojo/UltrasonicPiPiano written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/TheGizmoDojo/UltrasonicPiPiano already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.0
[INFO] [stderr]   Downloaded sysfs_gpio v0.4.4
[INFO] [stderr]   Downloaded octasonic v0.1.0
[INFO] [stderr]   Downloaded spidev v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d735bc5049e3ebf43b54b8bfa63543b45a3fb4ebc987181dcf9bd313c62f33cc
[INFO] running `Command { std: "docker" "start" "-a" "d735bc5049e3ebf43b54b8bfa63543b45a3fb4ebc987181dcf9bd313c62f33cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d735bc5049e3ebf43b54b8bfa63543b45a3fb4ebc987181dcf9bd313c62f33cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d735bc5049e3ebf43b54b8bfa63543b45a3fb4ebc987181dcf9bd313c62f33cc", kill_on_drop: false }`
[INFO] [stdout] d735bc5049e3ebf43b54b8bfa63543b45a3fb4ebc987181dcf9bd313c62f33cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4527e015a98e53851d15a4429a2074917ecf60ce29876404cb398c73257dc03c
[INFO] running `Command { std: "docker" "start" "-a" "4527e015a98e53851d15a4429a2074917ecf60ce29876404cb398c73257dc03c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking spidev v0.2.1
[INFO] [stderr]     Checking sysfs_gpio v0.4.4
[INFO] [stderr]     Checking sysfs_gpio v0.5.0
[INFO] [stderr]     Checking octasonic v0.1.0
[INFO] [stderr]  Documenting ultrasonic_piano v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "4527e015a98e53851d15a4429a2074917ecf60ce29876404cb398c73257dc03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4527e015a98e53851d15a4429a2074917ecf60ce29876404cb398c73257dc03c", kill_on_drop: false }`
[INFO] [stdout] 4527e015a98e53851d15a4429a2074917ecf60ce29876404cb398c73257dc03c