[INFO] fetching crate wkd-checker 0.4.0...
[INFO] documenting wkd-checker-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wkd-checker 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wkd-checker 0.4.0 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 wkd-checker 0.4.0
[INFO] finished tweaking crates.io crate wkd-checker 0.4.0
[INFO] tweaked toml for crates.io crate wkd-checker 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate wkd-checker 0.4.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded zbase32 v0.1.2
[INFO] [stderr]   Downloaded sequoia-openpgp v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ac31b8cedd90aa5cf3a0507c4976cf5d77db15981d3eafbfe4b3005601399272
[INFO] running `Command { std: "docker" "start" "-a" "ac31b8cedd90aa5cf3a0507c4976cf5d77db15981d3eafbfe4b3005601399272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac31b8cedd90aa5cf3a0507c4976cf5d77db15981d3eafbfe4b3005601399272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac31b8cedd90aa5cf3a0507c4976cf5d77db15981d3eafbfe4b3005601399272", kill_on_drop: false }`
[INFO] [stdout] ac31b8cedd90aa5cf3a0507c4976cf5d77db15981d3eafbfe4b3005601399272
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a0e0d9aaec37d363cf42c97d006e29a58291cc1c559d0f43a8d6ca5d4b9a7e5a
[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" "a0e0d9aaec37d363cf42c97d006e29a58291cc1c559d0f43a8d6ca5d4b9a7e5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling memsec v0.5.7
[INFO] [stderr]     Checking dyn-clone v1.0.1
[INFO] [stderr]     Checking zbase32 v0.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking openssl v0.10.28
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking buffered-reader v0.18.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]    Compiling nettle-sys v2.0.4
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]     Checking nettle v7.0.0
[INFO] [stderr]    Compiling sequoia-openpgp v0.18.0
[INFO] [stderr]  Documenting wkd-checker v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "a0e0d9aaec37d363cf42c97d006e29a58291cc1c559d0f43a8d6ca5d4b9a7e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e0d9aaec37d363cf42c97d006e29a58291cc1c559d0f43a8d6ca5d4b9a7e5a", kill_on_drop: false }`
[INFO] [stdout] a0e0d9aaec37d363cf42c97d006e29a58291cc1c559d0f43a8d6ca5d4b9a7e5a