[INFO] fetching crate rustscan 1.8.0...
[INFO] documenting rustscan-1.8.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rustscan 1.8.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustscan 1.8.0 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 crates.io crate rustscan 1.8.0
[INFO] finished tweaking crates.io crate rustscan 1.8.0
[INFO] tweaked toml for crates.io crate rustscan 1.8.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rustscan 1.8.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shell-words v1.0.0
[INFO] [stderr]   Downloaded vec-arena v0.5.0
[INFO] [stderr]   Downloaded gcd v2.0.1
[INFO] [stderr]   Downloaded event-listener v2.3.2
[INFO] [stderr]   Downloaded futures-lite v0.1.10
[INFO] [stderr]   Downloaded blocking v0.5.0
[INFO] [stderr]   Downloaded rlimit v0.4.0
[INFO] [stderr]   Downloaded polling v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6fefbea2aa007b0414f386f3436b3e990692cf8e23734fa5c22baed4b26eca48
[INFO] running `Command { std: "docker" "start" "-a" "6fefbea2aa007b0414f386f3436b3e990692cf8e23734fa5c22baed4b26eca48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fefbea2aa007b0414f386f3436b3e990692cf8e23734fa5c22baed4b26eca48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fefbea2aa007b0414f386f3436b3e990692cf8e23734fa5c22baed4b26eca48", kill_on_drop: false }`
[INFO] [stdout] 6fefbea2aa007b0414f386f3436b3e990692cf8e23734fa5c22baed4b26eca48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f04909806b0f899e5d6ae68fb33ee2cbd28c8fa28669cc8df0a40ecacc1068aa
[INFO] running `Command { std: "docker" "start" "-a" "f04909806b0f899e5d6ae68fb33ee2cbd28c8fa28669cc8df0a40ecacc1068aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking event-listener v2.3.2
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]     Checking gcd v2.0.1
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking polling v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rlimit v0.4.0
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.0
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]  Documenting rustscan v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.22s
[INFO] running `Command { std: "docker" "inspect" "f04909806b0f899e5d6ae68fb33ee2cbd28c8fa28669cc8df0a40ecacc1068aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04909806b0f899e5d6ae68fb33ee2cbd28c8fa28669cc8df0a40ecacc1068aa", kill_on_drop: false }`
[INFO] [stdout] f04909806b0f899e5d6ae68fb33ee2cbd28c8fa28669cc8df0a40ecacc1068aa