[INFO] fetching crate jsonrpc-derive 14.2.1...
[INFO] documenting jsonrpc-derive-14.2.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate jsonrpc-derive 14.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate jsonrpc-derive 14.2.1 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 jsonrpc-derive 14.2.1
[INFO] finished tweaking crates.io crate jsonrpc-derive 14.2.1
[INFO] tweaked toml for crates.io crate jsonrpc-derive 14.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-derive 14.2.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonrpc-client-transports v14.2.0
[INFO] [stderr]   Downloaded trybuild v1.0.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96c0ff284f2d5b43ab31ae0b82d4df3b0c594a9fa148671188657d70fbc21e24
[INFO] running `Command { std: "docker" "start" "-a" "96c0ff284f2d5b43ab31ae0b82d4df3b0c594a9fa148671188657d70fbc21e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96c0ff284f2d5b43ab31ae0b82d4df3b0c594a9fa148671188657d70fbc21e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c0ff284f2d5b43ab31ae0b82d4df3b0c594a9fa148671188657d70fbc21e24", kill_on_drop: false }`
[INFO] [stdout] 96c0ff284f2d5b43ab31ae0b82d4df3b0c594a9fa148671188657d70fbc21e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2febe28707ba49d5263c190f019460cd5f2844b31705e80f879294b10f9345c7
[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" "2febe28707ba49d5263c190f019460cd5f2844b31705e80f879294b10f9345c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking proc-macro2 v1.0.18
[INFO] [stderr]     Checking quote v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking proc-macro-crate v0.1.4
[INFO] [stderr]  Documenting jsonrpc-derive v14.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.96s
[INFO] running `Command { std: "docker" "inspect" "2febe28707ba49d5263c190f019460cd5f2844b31705e80f879294b10f9345c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2febe28707ba49d5263c190f019460cd5f2844b31705e80f879294b10f9345c7", kill_on_drop: false }`
[INFO] [stdout] 2febe28707ba49d5263c190f019460cd5f2844b31705e80f879294b10f9345c7