[INFO] fetching crate eventsource 0.5.0...
[INFO] documenting eventsource-0.5.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate eventsource 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate eventsource 0.5.0 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 eventsource 0.5.0
[INFO] finished tweaking crates.io crate eventsource 0.5.0
[INFO] tweaked toml for crates.io crate eventsource 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate eventsource 0.5.0 already has a lockfile, it will not be regenerated
[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 cc v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8f0a6ade0c0b9b95b2edcefe507a811373bf59ea9201981420e4f1ee80acb9d5
[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" "8f0a6ade0c0b9b95b2edcefe507a811373bf59ea9201981420e4f1ee80acb9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f0a6ade0c0b9b95b2edcefe507a811373bf59ea9201981420e4f1ee80acb9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0a6ade0c0b9b95b2edcefe507a811373bf59ea9201981420e4f1ee80acb9d5", kill_on_drop: false }`
[INFO] [stdout] 8f0a6ade0c0b9b95b2edcefe507a811373bf59ea9201981420e4f1ee80acb9d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1ac2678a505fca7d5b2d535b6e385914c8743e44fca0d1d712896bc1ad5dc0d3
[INFO] running `Command { std: "docker" "start" "-a" "1ac2678a505fca7d5b2d535b6e385914c8743e44fca0d1d712896bc1ad5dc0d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking encoding_rs v0.8.19
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]  Documenting eventsource v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.62s
[INFO] running `Command { std: "docker" "inspect" "1ac2678a505fca7d5b2d535b6e385914c8743e44fca0d1d712896bc1ad5dc0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac2678a505fca7d5b2d535b6e385914c8743e44fca0d1d712896bc1ad5dc0d3", kill_on_drop: false }`
[INFO] [stdout] 1ac2678a505fca7d5b2d535b6e385914c8743e44fca0d1d712896bc1ad5dc0d3