[INFO] cloning repository https://github.com/corporealshift/rust-changes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corporealshift/rust-changes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorporealshift%2Frust-changes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorporealshift%2Frust-changes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e9b997744112e7d00290bc7f0e6bd87e22ea2ad
[INFO] documenting corporealshift/rust-changes 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%2Fcorporealshift%2Frust-changes" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corporealshift/rust-changes 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/corporealshift/rust-changes
[INFO] finished tweaking git repo https://github.com/corporealshift/rust-changes
[INFO] tweaked toml for git repo https://github.com/corporealshift/rust-changes written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/corporealshift/rust-changes 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 crossbeam-utils v0.6.1
[INFO] [stderr]   Downloaded smallvec v0.6.6
[INFO] [stderr]   Downloaded libssh2-sys v0.2.11
[INFO] [stderr]   Downloaded reqwest v0.9.5
[INFO] [stderr]   Downloaded libgit2-sys v0.7.10
[INFO] [stderr]   Downloaded curl-sys v0.4.15
[INFO] [stderr]   Downloaded hyper v0.12.15
[INFO] [stderr]   Downloaded syn v0.15.21
[INFO] [stderr]   Downloaded mktemp v0.3.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 37817a825590c700cbe200e6f5d9a099c955fa34efd8733d72f5d018a1b8b935
[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" "37817a825590c700cbe200e6f5d9a099c955fa34efd8733d72f5d018a1b8b935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37817a825590c700cbe200e6f5d9a099c955fa34efd8733d72f5d018a1b8b935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37817a825590c700cbe200e6f5d9a099c955fa34efd8733d72f5d018a1b8b935", kill_on_drop: false }`
[INFO] [stdout] 37817a825590c700cbe200e6f5d9a099c955fa34efd8733d72f5d018a1b8b935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] fdda5626a822a2487d88c7ef8b6cf657b5a8e6207fc2a7d97ee3b05eafae8e83
[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" "fdda5626a822a2487d88c7ef8b6cf657b5a8e6207fc2a7d97ee3b05eafae8e83", kill_on_drop: false }`
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.15
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]     Checking encoding_rs v0.8.12
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking openssl-sys v0.9.39
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking mktemp v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking openssl v0.10.15
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking native-tls v0.2.2
[INFO] [stderr]     Checking hyper v0.12.15
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]  Documenting changeswr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "fdda5626a822a2487d88c7ef8b6cf657b5a8e6207fc2a7d97ee3b05eafae8e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdda5626a822a2487d88c7ef8b6cf657b5a8e6207fc2a7d97ee3b05eafae8e83", kill_on_drop: false }`
[INFO] [stdout] fdda5626a822a2487d88c7ef8b6cf657b5a8e6207fc2a7d97ee3b05eafae8e83