[INFO] fetching crate poldercast 0.13.3...
[INFO] documenting poldercast-0.13.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate poldercast 0.13.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate poldercast 0.13.3 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 poldercast 0.13.3
[INFO] finished tweaking crates.io crate poldercast 0.13.3
[INFO] tweaked toml for crates.io crate poldercast 0.13.3 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 tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded lru v0.4.3
[INFO] [stderr]   Downloaded hashbrown v0.6.3
[INFO] [stderr]   Downloaded ahash v0.2.18
[INFO] [stderr]   Downloaded multihash v0.8.0
[INFO] [stderr]   Downloaded quickcheck_macros v0.8.0
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded multibase v0.6.0
[INFO] [stderr]   Downloaded multiaddr v0.3.1
[INFO] [stderr]   Downloaded cid v0.3.1
[INFO] [stderr]   Downloaded integer-encoding v1.0.8
[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] ed018fcdd9cb3df0a5a450988968df7c3903f81d350bb99f8e2bdd4d49a6fcbd
[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" "ed018fcdd9cb3df0a5a450988968df7c3903f81d350bb99f8e2bdd4d49a6fcbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed018fcdd9cb3df0a5a450988968df7c3903f81d350bb99f8e2bdd4d49a6fcbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed018fcdd9cb3df0a5a450988968df7c3903f81d350bb99f8e2bdd4d49a6fcbd", kill_on_drop: false }`
[INFO] [stdout] ed018fcdd9cb3df0a5a450988968df7c3903f81d350bb99f8e2bdd4d49a6fcbd
[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] [stdout] b6575815e3169aa64bb7b69544fd1ee579c64e1fa0022fd6cc30ece2b75ed02e
[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" "b6575815e3169aa64bb7b69544fd1ee579c64e1fa0022fd6cc30ece2b75ed02e", kill_on_drop: false }`
[INFO] [stderr]     Checking base-x v0.2.6
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking multibase v0.6.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking multihash v0.8.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking integer-encoding v1.0.8
[INFO] [stderr]     Checking cid v0.3.1
[INFO] [stderr]     Checking multiaddr v0.3.1
[INFO] [stderr]  Documenting poldercast v0.13.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.77s
[INFO] running `Command { std: "docker" "inspect" "b6575815e3169aa64bb7b69544fd1ee579c64e1fa0022fd6cc30ece2b75ed02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6575815e3169aa64bb7b69544fd1ee579c64e1fa0022fd6cc30ece2b75ed02e", kill_on_drop: false }`
[INFO] [stdout] b6575815e3169aa64bb7b69544fd1ee579c64e1fa0022fd6cc30ece2b75ed02e