[INFO] cloning repository https://github.com/BrendanBall/barrier-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrendanBall/barrier-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanBall%2Fbarrier-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanBall%2Fbarrier-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8a7ca86494866873b36deff3b00e94e6af81cce
[INFO] documenting BrendanBall/barrier-rust 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%2FBrendanBall%2Fbarrier-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrendanBall/barrier-rust 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/BrendanBall/barrier-rust
[INFO] finished tweaking git repo https://github.com/BrendanBall/barrier-rust
[INFO] tweaked toml for git repo https://github.com/BrendanBall/barrier-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/BrendanBall/barrier-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6b7902605f2f8ea8695c2ad3efc2d756f9580a423c0d6d871dd4dc299360b16c
[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" "6b7902605f2f8ea8695c2ad3efc2d756f9580a423c0d6d871dd4dc299360b16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b7902605f2f8ea8695c2ad3efc2d756f9580a423c0d6d871dd4dc299360b16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7902605f2f8ea8695c2ad3efc2d756f9580a423c0d6d871dd4dc299360b16c", kill_on_drop: false }`
[INFO] [stdout] 6b7902605f2f8ea8695c2ad3efc2d756f9580a423c0d6d871dd4dc299360b16c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] bffc6eebf4a34528aba31a9d5c4ffa362e95fb36af663d7836b39fb8f6316e30
[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" "bffc6eebf4a34528aba31a9d5c4ffa362e95fb36af663d7836b39fb8f6316e30", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling evdev-sys v0.2.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking lexical-core v0.6.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking uinput-sys v0.1.7
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking nom v5.1.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking uinput v0.1.3
[INFO] [stderr]     Checking evdev-rs v0.3.1
[INFO] [stderr]     Checking barrier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting barrier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.63s
[INFO] running `Command { std: "docker" "inspect" "bffc6eebf4a34528aba31a9d5c4ffa362e95fb36af663d7836b39fb8f6316e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bffc6eebf4a34528aba31a9d5c4ffa362e95fb36af663d7836b39fb8f6316e30", kill_on_drop: false }`
[INFO] [stdout] bffc6eebf4a34528aba31a9d5c4ffa362e95fb36af663d7836b39fb8f6316e30