[INFO] fetching crate sse-client 1.1.1...
[INFO] documenting sse-client-1.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate sse-client 1.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sse-client 1.1.1 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 sse-client 1.1.1
[INFO] finished tweaking crates.io crate sse-client 1.1.1
[INFO] tweaked toml for crates.io crate sse-client 1.1.1 written to /workspace/builds/worker-4/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 http-test-server v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d7642637e64e75fe952f15a05fe535a91d7849991c1ed695103f665951b21c2b
[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" "d7642637e64e75fe952f15a05fe535a91d7849991c1ed695103f665951b21c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7642637e64e75fe952f15a05fe535a91d7849991c1ed695103f665951b21c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7642637e64e75fe952f15a05fe535a91d7849991c1ed695103f665951b21c2b", kill_on_drop: false }`
[INFO] [stdout] d7642637e64e75fe952f15a05fe535a91d7849991c1ed695103f665951b21c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab4b8d06639b5d9bb8264256e59a7eac6cc67823aebb79ebffe6245076efdc3f
[INFO] running `Command { std: "docker" "start" "-a" "ab4b8d06639b5d9bb8264256e59a7eac6cc67823aebb79ebffe6245076efdc3f", kill_on_drop: false }`
[INFO] [stderr]  Documenting sse-client v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "ab4b8d06639b5d9bb8264256e59a7eac6cc67823aebb79ebffe6245076efdc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4b8d06639b5d9bb8264256e59a7eac6cc67823aebb79ebffe6245076efdc3f", kill_on_drop: false }`
[INFO] [stdout] ab4b8d06639b5d9bb8264256e59a7eac6cc67823aebb79ebffe6245076efdc3f