[INFO] fetching crate ursa 0.3.5...
[INFO] documenting ursa-0.3.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ursa 0.3.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ursa 0.3.5 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 ursa 0.3.5
[INFO] finished tweaking crates.io crate ursa 0.3.5
[INFO] tweaked toml for crates.io crate ursa 0.3.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 libsodium-ffi v0.2.2
[INFO] [stderr]   Downloaded ffi-support v0.4.2
[INFO] [stderr]   Downloaded bytebuffer-rs v0.3.1
[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] 55472bb531a9440ae09c279b818f229461bbcc31e1e1eab40bb3ee19c7d879b6
[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" "55472bb531a9440ae09c279b818f229461bbcc31e1e1eab40bb3ee19c7d879b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55472bb531a9440ae09c279b818f229461bbcc31e1e1eab40bb3ee19c7d879b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55472bb531a9440ae09c279b818f229461bbcc31e1e1eab40bb3ee19c7d879b6", kill_on_drop: false }`
[INFO] [stdout] 55472bb531a9440ae09c279b818f229461bbcc31e1e1eab40bb3ee19c7d879b6
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d21ae9d71f8a6b43d4208e0bfdf9cb7cfffb911893d5f15ee0dede2e2c95c1ad
[INFO] running `Command { std: "docker" "start" "-a" "d21ae9d71f8a6b43d4208e0bfdf9cb7cfffb911893d5f15ee0dede2e2c95c1ad", kill_on_drop: false }`
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking miracl_core v1.0.0
[INFO] [stderr]     Checking int_traits v0.1.1
[INFO] [stderr]     Checking amcl v0.2.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking block-modes v0.4.0
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking c2-chacha v0.2.4
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking amcl_wrapper v0.4.0
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]  Documenting ursa v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.04s
[INFO] running `Command { std: "docker" "inspect" "d21ae9d71f8a6b43d4208e0bfdf9cb7cfffb911893d5f15ee0dede2e2c95c1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21ae9d71f8a6b43d4208e0bfdf9cb7cfffb911893d5f15ee0dede2e2c95c1ad", kill_on_drop: false }`
[INFO] [stdout] d21ae9d71f8a6b43d4208e0bfdf9cb7cfffb911893d5f15ee0dede2e2c95c1ad