[INFO] fetching crate turnhammer 0.1.0...
[INFO] documenting turnhammer-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate turnhammer 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate turnhammer 0.1.0 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 turnhammer 0.1.0
[INFO] finished tweaking crates.io crate turnhammer 0.1.0
[INFO] tweaked toml for crates.io crate turnhammer 0.1.0 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 slab_typesafe v0.1.3
[INFO] [stderr]   Downloaded turnclient v0.1.0
[INFO] [stderr]   Downloaded spin_sleep v0.3.7
[INFO] [stderr]   Downloaded stunclient v0.1.2
[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] dff4eae4f319e79c22070386a033bb0e6bfe9b788ff2a0bed74e539fb73ac88a
[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" "dff4eae4f319e79c22070386a033bb0e6bfe9b788ff2a0bed74e539fb73ac88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dff4eae4f319e79c22070386a033bb0e6bfe9b788ff2a0bed74e539fb73ac88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff4eae4f319e79c22070386a033bb0e6bfe9b788ff2a0bed74e539fb73ac88a", kill_on_drop: false }`
[INFO] [stdout] dff4eae4f319e79c22070386a033bb0e6bfe9b788ff2a0bed74e539fb73ac88a
[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] 00aaa492eae5d2cad9ae9dfd0a692ee3d734a6aa8b8dd408df8ddf199afaf60a
[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" "00aaa492eae5d2cad9ae9dfd0a692ee3d734a6aa8b8dd408df8ddf199afaf60a", kill_on_drop: false }`
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking spin_sleep v0.3.7
[INFO] [stderr]     Checking slab_typesafe v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking bytecodec v0.4.13
[INFO] [stderr]     Checking stun_codec v0.1.12
[INFO] [stderr]     Checking turnclient v0.1.0
[INFO] [stderr]     Checking stunclient v0.1.2
[INFO] [stderr]  Documenting turnhammer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.20s
[INFO] running `Command { std: "docker" "inspect" "00aaa492eae5d2cad9ae9dfd0a692ee3d734a6aa8b8dd408df8ddf199afaf60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00aaa492eae5d2cad9ae9dfd0a692ee3d734a6aa8b8dd408df8ddf199afaf60a", kill_on_drop: false }`
[INFO] [stdout] 00aaa492eae5d2cad9ae9dfd0a692ee3d734a6aa8b8dd408df8ddf199afaf60a