[INFO] fetching crate tokio-serde-json 0.3.0...
[INFO] documenting tokio-serde-json-0.3.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate tokio-serde-json 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tokio-serde-json 0.3.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-serde-json 0.3.0
[INFO] finished tweaking crates.io crate tokio-serde-json 0.3.0
[INFO] tweaked toml for crates.io crate tokio-serde-json 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate tokio-serde-json 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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 tokio-serde v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 791ffb29e7e493458b22bbecba871338f3ede876c7095bed7b3fe42df0be7bfa
[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" "791ffb29e7e493458b22bbecba871338f3ede876c7095bed7b3fe42df0be7bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "791ffb29e7e493458b22bbecba871338f3ede876c7095bed7b3fe42df0be7bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791ffb29e7e493458b22bbecba871338f3ede876c7095bed7b3fe42df0be7bfa", kill_on_drop: false }`
[INFO] [stdout] 791ffb29e7e493458b22bbecba871338f3ede876c7095bed7b3fe42df0be7bfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ac467ad7c421971e6c463def668f1ea2298ccc74fbf4dbfe7013c62daf678df
[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" "8ac467ad7c421971e6c463def668f1ea2298ccc74fbf4dbfe7013c62daf678df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.2
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking pin-project v0.4.2
[INFO] [stderr]     Checking tokio-serde v0.4.0
[INFO] [stderr]  Documenting tokio-serde-json v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.40s
[INFO] running `Command { std: "docker" "inspect" "8ac467ad7c421971e6c463def668f1ea2298ccc74fbf4dbfe7013c62daf678df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac467ad7c421971e6c463def668f1ea2298ccc74fbf4dbfe7013c62daf678df", kill_on_drop: false }`
[INFO] [stdout] 8ac467ad7c421971e6c463def668f1ea2298ccc74fbf4dbfe7013c62daf678df
