[INFO] cloning repository https://github.com/mmisono/rust-cbpf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmisono/rust-cbpf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmisono%2Frust-cbpf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmisono%2Frust-cbpf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a6c7e15049419f102b57391206d72ae9c982562
[INFO] documenting mmisono/rust-cbpf 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%2Fmmisono%2Frust-cbpf" "/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/mmisono/rust-cbpf 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/mmisono/rust-cbpf
[INFO] finished tweaking git repo https://github.com/mmisono/rust-cbpf
[INFO] tweaked toml for git repo https://github.com/mmisono/rust-cbpf written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mmisono/rust-cbpf 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]     Updating git repository `https://github.com/polachok/pcap`
[INFO] [stderr]     Updating git repository `https://github.com/qmonnet/rbpf`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded combine v2.5.1
[INFO] [stderr]   Downloaded structopt-derive v0.1.1
[INFO] [stderr]   Downloaded structopt v0.1.1
[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" "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] 178d8593f657b85e27e982fa0e029b3cc7d84823582cdfc496d5ff1de0d352f6
[INFO] running `Command { std: "docker" "start" "-a" "178d8593f657b85e27e982fa0e029b3cc7d84823582cdfc496d5ff1de0d352f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178d8593f657b85e27e982fa0e029b3cc7d84823582cdfc496d5ff1de0d352f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178d8593f657b85e27e982fa0e029b3cc7d84823582cdfc496d5ff1de0d352f6", kill_on_drop: false }`
[INFO] [stdout] 178d8593f657b85e27e982fa0e029b3cc7d84823582cdfc496d5ff1de0d352f6
[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" "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] c9cd966a2b0c3039889a63e83f66522f63a8ad6a7c663f7561c9da00f6c62eaf
[INFO] running `Command { std: "docker" "start" "-a" "c9cd966a2b0c3039889a63e83f66522f63a8ad6a7c663f7561c9da00f6c62eaf", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking combine v2.5.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking pcap v0.5.7 (https://github.com/polachok/pcap?branch=offline-bpf#af08d400)
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking rbpf v0.0.3 (https://github.com/qmonnet/rbpf#fe5ddd5e)
[INFO] [stderr]    Compiling structopt-derive v0.1.1
[INFO] [stderr]     Checking structopt v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking cbpf v0.1.0 (/opt/rustwide/workdir/cbpf)
[INFO] [stderr]  Documenting cbpf v0.1.0 (/opt/rustwide/workdir/cbpf)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> cbpf/src/lib.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout] 63 +     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting c2e v0.1.0 (/opt/rustwide/workdir/c2e)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.36s
[INFO] running `Command { std: "docker" "inspect" "c9cd966a2b0c3039889a63e83f66522f63a8ad6a7c663f7561c9da00f6c62eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cd966a2b0c3039889a63e83f66522f63a8ad6a7c663f7561c9da00f6c62eaf", kill_on_drop: false }`
[INFO] [stdout] c9cd966a2b0c3039889a63e83f66522f63a8ad6a7c663f7561c9da00f6c62eaf
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d43a554b049d93b45b697ac0338b8cefc645ae214e01d84d72691a64f46c6d50
[INFO] running `Command { std: "docker" "start" "-a" "d43a554b049d93b45b697ac0338b8cefc645ae214e01d84d72691a64f46c6d50", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "d43a554b049d93b45b697ac0338b8cefc645ae214e01d84d72691a64f46c6d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43a554b049d93b45b697ac0338b8cefc645ae214e01d84d72691a64f46c6d50", kill_on_drop: false }`
[INFO] [stdout] d43a554b049d93b45b697ac0338b8cefc645ae214e01d84d72691a64f46c6d50