[INFO] fetching crate finchers-session 0.2.0...
[INFO] documenting finchers-session-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate finchers-session 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate finchers-session 0.2.0 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 finchers-session 0.2.0
[INFO] finished tweaking crates.io crate finchers-session 0.2.0
[INFO] tweaked toml for crates.io crate finchers-session 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redis v0.9.1
[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] d3c707755f305595c96a9eb1856c33e61da4b3d3f8997b5c95af7d4834a793e2
[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" "d3c707755f305595c96a9eb1856c33e61da4b3d3f8997b5c95af7d4834a793e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c707755f305595c96a9eb1856c33e61da4b3d3f8997b5c95af7d4834a793e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c707755f305595c96a9eb1856c33e61da4b3d3f8997b5c95af7d4834a793e2", kill_on_drop: false }`
[INFO] [stdout] d3c707755f305595c96a9eb1856c33e61da4b3d3f8997b5c95af7d4834a793e2
[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] 2164c800d263d86f379537a06e80b7fb074a1da9d9f715a10a272c7b3472f64a
[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" "2164c800d263d86f379537a06e80b7fb074a1da9d9f715a10a272c7b3472f64a", kill_on_drop: false }`
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]    Compiling finchers v0.13.5
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking aes-gcm v0.5.0
[INFO] [stderr]     Checking serde_qs v0.4.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]  Documenting finchers-session v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.68s
[INFO] running `Command { std: "docker" "inspect" "2164c800d263d86f379537a06e80b7fb074a1da9d9f715a10a272c7b3472f64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2164c800d263d86f379537a06e80b7fb074a1da9d9f715a10a272c7b3472f64a", kill_on_drop: false }`
[INFO] [stdout] 2164c800d263d86f379537a06e80b7fb074a1da9d9f715a10a272c7b3472f64a