[INFO] fetching crate jwtexp 0.1.2...
[INFO] documenting jwtexp-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate jwtexp 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jwtexp 0.1.2 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 jwtexp 0.1.2
[INFO] finished tweaking crates.io crate jwtexp 0.1.2
[INFO] tweaked toml for crates.io crate jwtexp 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate jwtexp 0.1.2 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 serde v1.0.25
[INFO] [stderr]   Downloaded serde_derive_internals v0.18.1
[INFO] [stderr]   Downloaded serde_derive v1.0.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 42160b0588d2f5c4b68eebfa390e37a8824ff5157e1544b536b19705cc3dc720
[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" "42160b0588d2f5c4b68eebfa390e37a8824ff5157e1544b536b19705cc3dc720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42160b0588d2f5c4b68eebfa390e37a8824ff5157e1544b536b19705cc3dc720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42160b0588d2f5c4b68eebfa390e37a8824ff5157e1544b536b19705cc3dc720", kill_on_drop: false }`
[INFO] [stdout] 42160b0588d2f5c4b68eebfa390e37a8824ff5157e1544b536b19705cc3dc720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 814aa5fa5bd3f0dc27e1e4c516508a59bd0768b82a5ef727d9f9d62534c3741a
[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" "814aa5fa5bd3f0dc27e1e4c516508a59bd0768b82a5ef727d9f9d62534c3741a", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling serde_derive_internals v0.18.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]    Compiling serde_derive v1.0.25
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]     Checking serde v1.0.25
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.8
[INFO] [stderr]     Checking simple_asn1 v0.4.0
[INFO] [stderr]     Checking jsonwebtoken v7.1.0
[INFO] [stderr]  Documenting jwtexp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.82s
[INFO] running `Command { std: "docker" "inspect" "814aa5fa5bd3f0dc27e1e4c516508a59bd0768b82a5ef727d9f9d62534c3741a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814aa5fa5bd3f0dc27e1e4c516508a59bd0768b82a5ef727d9f9d62534c3741a", kill_on_drop: false }`
[INFO] [stdout] 814aa5fa5bd3f0dc27e1e4c516508a59bd0768b82a5ef727d9f9d62534c3741a