[INFO] fetching crate threshold_crypto 0.4.0...
[INFO] documenting threshold_crypto-0.4.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate threshold_crypto 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate threshold_crypto 0.4.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate threshold_crypto 0.4.0
[INFO] finished tweaking crates.io crate threshold_crypto 0.4.0
[INFO] tweaked toml for crates.io crate threshold_crypto 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate threshold_crypto 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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 parity-scale-codec-derive v1.2.1
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-10-09" "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] 9b49e97eec4e9ecc63ec5f1d869a0070fa203e2c1ec94e5171da1f6dee5b22dc
[INFO] running `Command { std: "docker" "start" "-a" "9b49e97eec4e9ecc63ec5f1d869a0070fa203e2c1ec94e5171da1f6dee5b22dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b49e97eec4e9ecc63ec5f1d869a0070fa203e2c1ec94e5171da1f6dee5b22dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b49e97eec4e9ecc63ec5f1d869a0070fa203e2c1ec94e5171da1f6dee5b22dc", kill_on_drop: false }`
[INFO] [stdout] 9b49e97eec4e9ecc63ec5f1d869a0070fa203e2c1ec94e5171da1f6dee5b22dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fce4c78d64bbbe09026bb7ce0e4dbaad0d0bd9b2c626b2f96fcb1491f2e16765
[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" "fce4c78d64bbbe09026bb7ce0e4dbaad0d0bd9b2c626b2f96fcb1491f2e16765", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling ff_derive v0.6.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ff v0.6.0
[INFO] [stderr]     Checking group v0.6.0
[INFO] [stderr]     Checking pairing v0.16.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]  Documenting threshold_crypto v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Serialize`
[INFO] [stdout]   --> src/serde_impl.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     /// To avoid deriving [`Serialize`] automatically for structs containing secret keys this trait
[INFO] [stdout]    |                            ^^^^^^^^^^^ the module `serialize_secret_internal` contains no item named `Serialize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `::serde_impls::SerdeSecret`
[INFO] [stdout]   --> src/serde_impl.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |     /// [`::serde_impls::SerdeSecret`].
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the module `serialize_secret_internal` contains no item named ``
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.53s
[INFO] running `Command { std: "docker" "inspect" "fce4c78d64bbbe09026bb7ce0e4dbaad0d0bd9b2c626b2f96fcb1491f2e16765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce4c78d64bbbe09026bb7ce0e4dbaad0d0bd9b2c626b2f96fcb1491f2e16765", kill_on_drop: false }`
[INFO] [stdout] fce4c78d64bbbe09026bb7ce0e4dbaad0d0bd9b2c626b2f96fcb1491f2e16765
