[INFO] cloning repository https://github.com/Rohrschacht/hashfilter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rohrschacht/hashfilter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohrschacht%2Fhashfilter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohrschacht%2Fhashfilter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01619a9f7b871b4b676f633cb04064e009fb3b0d
[INFO] documenting Rohrschacht/hashfilter 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%2FRohrschacht%2Fhashfilter" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rohrschacht/hashfilter 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/Rohrschacht/hashfilter
[INFO] finished tweaking git repo https://github.com/Rohrschacht/hashfilter
[INFO] tweaked toml for git repo https://github.com/Rohrschacht/hashfilter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Rohrschacht/hashfilter 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 termios v0.3.1
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded chrono v0.4.5
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded block-padding v0.1.4
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded sha2 v0.8.0
[INFO] [stderr]   Downloaded colored v1.6.1
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded assert_cli v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 071a68aff5713c9c14d784d2703a55de19f8d5f92015210ea2e56fdddfec1127
[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" "071a68aff5713c9c14d784d2703a55de19f8d5f92015210ea2e56fdddfec1127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "071a68aff5713c9c14d784d2703a55de19f8d5f92015210ea2e56fdddfec1127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071a68aff5713c9c14d784d2703a55de19f8d5f92015210ea2e56fdddfec1127", kill_on_drop: false }`
[INFO] [stdout] 071a68aff5713c9c14d784d2703a55de19f8d5f92015210ea2e56fdddfec1127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 99494dee8dc06442b5cdf15e0ae1a3c43a702e04e40689709d0a5b87eeb1184b
[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" "99494dee8dc06442b5cdf15e0ae1a3c43a702e04e40689709d0a5b87eeb1184b", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]  Documenting arkhash v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.10s
[INFO] running `Command { std: "docker" "inspect" "99494dee8dc06442b5cdf15e0ae1a3c43a702e04e40689709d0a5b87eeb1184b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99494dee8dc06442b5cdf15e0ae1a3c43a702e04e40689709d0a5b87eeb1184b", kill_on_drop: false }`
[INFO] [stdout] 99494dee8dc06442b5cdf15e0ae1a3c43a702e04e40689709d0a5b87eeb1184b