[INFO] fetching crate cryptoballot 0.4.0...
[INFO] documenting cryptoballot-0.4.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate cryptoballot 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cryptoballot 0.4.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cryptoballot 0.4.0
[INFO] finished tweaking crates.io crate cryptoballot 0.4.0
[INFO] tweaked toml for crates.io crate cryptoballot 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35c217063ae7ac1e23ff54d79ab2ed6fac1d388b06869dc5b0826c6047ea0e1e
[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" "35c217063ae7ac1e23ff54d79ab2ed6fac1d388b06869dc5b0826c6047ea0e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35c217063ae7ac1e23ff54d79ab2ed6fac1d388b06869dc5b0826c6047ea0e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c217063ae7ac1e23ff54d79ab2ed6fac1d388b06869dc5b0826c6047ea0e1e", kill_on_drop: false }`
[INFO] [stdout] 35c217063ae7ac1e23ff54d79ab2ed6fac1d388b06869dc5b0826c6047ea0e1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf7f6933f527da2e87b7c20818cc0ac540eeeed2f249421b28a5096fce7ddf9
[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" "6bf7f6933f527da2e87b7c20818cc0ac540eeeed2f249421b28a5096fce7ddf9", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint-dig v0.6.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]     Checking hex-serde v0.1.0
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking hex-buffer-serde v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking aes-gcm v0.3.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking sharks v0.3.3
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]     Checking fdh v0.6.0
[INFO] [stderr]     Checking rsa v0.2.0
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking rsa-fdh v0.2.1
[INFO] [stderr]  Documenting cryptoballot v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.48s
[INFO] running `Command { std: "docker" "inspect" "6bf7f6933f527da2e87b7c20818cc0ac540eeeed2f249421b28a5096fce7ddf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf7f6933f527da2e87b7c20818cc0ac540eeeed2f249421b28a5096fce7ddf9", kill_on_drop: false }`
[INFO] [stdout] 6bf7f6933f527da2e87b7c20818cc0ac540eeeed2f249421b28a5096fce7ddf9