[INFO] cloning repository https://github.com/stremin/highloadcup2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stremin/highloadcup2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstremin%2Fhighloadcup2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstremin%2Fhighloadcup2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fac8aa059923e85a4875f3e67aa7d0191a39b631
[INFO] documenting stremin/highloadcup2018 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%2Fstremin%2Fhighloadcup2018" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stremin/highloadcup2018 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] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking git repo https://github.com/stremin/highloadcup2018
[INFO] finished tweaking git repo https://github.com/stremin/highloadcup2018
[INFO] tweaked toml for git repo https://github.com/stremin/highloadcup2018 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/stremin/highloadcup2018 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 chashmap v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3cfceb9ad5d001b78b75c55562957ad9419628505de70e5aa553a35bf1c706dc
[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" "3cfceb9ad5d001b78b75c55562957ad9419628505de70e5aa553a35bf1c706dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cfceb9ad5d001b78b75c55562957ad9419628505de70e5aa553a35bf1c706dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfceb9ad5d001b78b75c55562957ad9419628505de70e5aa553a35bf1c706dc", kill_on_drop: false }`
[INFO] [stdout] 3cfceb9ad5d001b78b75c55562957ad9419628505de70e5aa553a35bf1c706dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 39ac37585a8b35170c7216ea8974372b94a714d120084f47c697859382cb79ed
[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" "39ac37585a8b35170c7216ea8974372b94a714d120084f47c697859382cb79ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]     Checking reexport-proc-macro v1.0.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking zip v0.5.0
[INFO] [stderr]     Checking chashmap v2.2.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]  Documenting hlc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.51s
[INFO] running `Command { std: "docker" "inspect" "39ac37585a8b35170c7216ea8974372b94a714d120084f47c697859382cb79ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ac37585a8b35170c7216ea8974372b94a714d120084f47c697859382cb79ed", kill_on_drop: false }`
[INFO] [stdout] 39ac37585a8b35170c7216ea8974372b94a714d120084f47c697859382cb79ed