[INFO] fetching crate sentry 0.19.1...
[INFO] documenting sentry-0.19.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate sentry 0.19.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate sentry 0.19.1 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 sentry 0.19.1
[INFO] finished tweaking crates.io crate sentry 0.19.1
[INFO] tweaked toml for crates.io crate sentry 0.19.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate sentry 0.19.1 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 sentry-contexts v0.19.1
[INFO] [stderr]   Downloaded sentry-log v0.19.1
[INFO] [stderr]   Downloaded sentry-anyhow v0.19.1
[INFO] [stderr]   Downloaded sentry-error-chain v0.19.1
[INFO] [stderr]   Downloaded sentry-slog v0.19.1
[INFO] [stderr]   Downloaded sentry-debug-images v0.19.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 96ad0cd83e7772a4050e3771ea24b99ec23d1b9ae41cedd667c587dd8e809cf2
[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" "96ad0cd83e7772a4050e3771ea24b99ec23d1b9ae41cedd667c587dd8e809cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ad0cd83e7772a4050e3771ea24b99ec23d1b9ae41cedd667c587dd8e809cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ad0cd83e7772a4050e3771ea24b99ec23d1b9ae41cedd667c587dd8e809cf2", kill_on_drop: false }`
[INFO] [stdout] 96ad0cd83e7772a4050e3771ea24b99ec23d1b9ae41cedd667c587dd8e809cf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] afcbdac8b0e829c474d4358a596e50fce59e559cfec474986b370dd1d024cacf
[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" "afcbdac8b0e829c474d4358a596e50fce59e559cfec474986b370dd1d024cacf", kill_on_drop: false }`
[INFO] [stderr]    Compiling sentry-contexts v0.19.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking sentry-types v0.19.1
[INFO] [stderr]     Checking sentry-core v0.19.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking sentry-backtrace v0.19.1
[INFO] [stderr]     Checking sentry-failure v0.19.1
[INFO] [stderr]     Checking sentry-panic v0.19.1
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]  Documenting sentry v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.34s
[INFO] running `Command { std: "docker" "inspect" "afcbdac8b0e829c474d4358a596e50fce59e559cfec474986b370dd1d024cacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcbdac8b0e829c474d4358a596e50fce59e559cfec474986b370dd1d024cacf", kill_on_drop: false }`
[INFO] [stdout] afcbdac8b0e829c474d4358a596e50fce59e559cfec474986b370dd1d024cacf