[INFO] fetching crate dtn7-plus 0.1.6...
[INFO] documenting dtn7-plus-0.1.6 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate dtn7-plus 0.1.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dtn7-plus 0.1.6 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 dtn7-plus 0.1.6
[INFO] finished tweaking crates.io crate dtn7-plus 0.1.6
[INFO] tweaked toml for crates.io crate dtn7-plus 0.1.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate dtn7-plus 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] edc2aec61c2b0aea97a9313fdbc4885605f3c7e5d2346f3fde775c221e8ed089
[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" "edc2aec61c2b0aea97a9313fdbc4885605f3c7e5d2346f3fde775c221e8ed089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edc2aec61c2b0aea97a9313fdbc4885605f3c7e5d2346f3fde775c221e8ed089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc2aec61c2b0aea97a9313fdbc4885605f3c7e5d2346f3fde775c221e8ed089", kill_on_drop: false }`
[INFO] [stdout] edc2aec61c2b0aea97a9313fdbc4885605f3c7e5d2346f3fde775c221e8ed089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 81bfe4e2cfe066e0a438e28a34e03a179c9d8bd513e5231bbdf2a9fd81d6a59a
[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" "81bfe4e2cfe066e0a438e28a34e03a179c9d8bd513e5231bbdf2a9fd81d6a59a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.29
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking smaz v0.1.0
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking attohttpc v0.12.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derive-try-from-primitive v1.0.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking serde_bytes v0.11.4
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking bp7 v0.6.5
[INFO] [stderr]     Checking dtn7-plus v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting dtn7-plus v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.62s
[INFO] running `Command { std: "docker" "inspect" "81bfe4e2cfe066e0a438e28a34e03a179c9d8bd513e5231bbdf2a9fd81d6a59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81bfe4e2cfe066e0a438e28a34e03a179c9d8bd513e5231bbdf2a9fd81d6a59a", kill_on_drop: false }`
[INFO] [stdout] 81bfe4e2cfe066e0a438e28a34e03a179c9d8bd513e5231bbdf2a9fd81d6a59a