[INFO] fetching crate restson 0.6.0...
[INFO] documenting restson-0.6.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate restson 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate restson 0.6.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate restson 0.6.0
[INFO] finished tweaking crates.io crate restson 0.6.0
[INFO] tweaked toml for crates.io crate restson 0.6.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.46.0" "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] 2a91cef8a5f39797b4be1e145a35cf6483fa28533b6749b29e7dcae59e61e8e9
[INFO] running `Command { std: "docker" "start" "-a" "2a91cef8a5f39797b4be1e145a35cf6483fa28533b6749b29e7dcae59e61e8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a91cef8a5f39797b4be1e145a35cf6483fa28533b6749b29e7dcae59e61e8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a91cef8a5f39797b4be1e145a35cf6483fa28533b6749b29e7dcae59e61e8e9", kill_on_drop: false }`
[INFO] [stdout] 2a91cef8a5f39797b4be1e145a35cf6483fa28533b6749b29e7dcae59e61e8e9
[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" "+1.46.0" "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] f7ed42a67de92529c602c65aa4ab59cbe1c54a415540801618797f1c8b317f88
[INFO] running `Command { std: "docker" "start" "-a" "f7ed42a67de92529c602c65aa4ab59cbe1c54a415540801618797f1c8b317f88", kill_on_drop: false }`
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]  Documenting restson v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.99s
[INFO] running `Command { std: "docker" "inspect" "f7ed42a67de92529c602c65aa4ab59cbe1c54a415540801618797f1c8b317f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ed42a67de92529c602c65aa4ab59cbe1c54a415540801618797f1c8b317f88", kill_on_drop: false }`
[INFO] [stdout] f7ed42a67de92529c602c65aa4ab59cbe1c54a415540801618797f1c8b317f88