[INFO] fetching crate cabot 0.6.0...
[INFO] documenting cabot-0.6.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate cabot 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cabot 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 cabot 0.6.0
[INFO] finished tweaking crates.io crate cabot 0.6.0
[INFO] tweaked toml for crates.io crate cabot 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cabot 0.6.0 already has a lockfile, it will not be regenerated
[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-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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5141e1bee0ca58ed8a31d2f7f214cedbf4581e67593611928b87e7daaf3f9164
[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" "5141e1bee0ca58ed8a31d2f7f214cedbf4581e67593611928b87e7daaf3f9164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5141e1bee0ca58ed8a31d2f7f214cedbf4581e67593611928b87e7daaf3f9164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5141e1bee0ca58ed8a31d2f7f214cedbf4581e67593611928b87e7daaf3f9164", kill_on_drop: false }`
[INFO] [stdout] 5141e1bee0ca58ed8a31d2f7f214cedbf4581e67593611928b87e7daaf3f9164
[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" "+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] f42983b8a0a0e6533ff150d5fce331c4ef1c39bbcf0c9cf6ba9d5550834cb747
[INFO] running `Command { std: "docker" "start" "-a" "f42983b8a0a0e6533ff150d5fce331c4ef1c39bbcf0c9cf6ba9d5550834cb747", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]  Documenting cabot v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.99s
[INFO] running `Command { std: "docker" "inspect" "f42983b8a0a0e6533ff150d5fce331c4ef1c39bbcf0c9cf6ba9d5550834cb747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42983b8a0a0e6533ff150d5fce331c4ef1c39bbcf0c9cf6ba9d5550834cb747", kill_on_drop: false }`
[INFO] [stdout] f42983b8a0a0e6533ff150d5fce331c4ef1c39bbcf0c9cf6ba9d5550834cb747