[INFO] fetching crate cargo-rbot 0.1.1...
[INFO] documenting cargo-rbot-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-rbot 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-rbot 0.1.1 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 cargo-rbot 0.1.1
[INFO] finished tweaking crates.io crate cargo-rbot 0.1.1
[INFO] tweaked toml for crates.io crate cargo-rbot 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-rbot 0.1.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded subprocess v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 998170170d9fb4093ee07458c83713d3ac08aad4559b0a155b105b1920a0cf02
[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" "998170170d9fb4093ee07458c83713d3ac08aad4559b0a155b105b1920a0cf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "998170170d9fb4093ee07458c83713d3ac08aad4559b0a155b105b1920a0cf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998170170d9fb4093ee07458c83713d3ac08aad4559b0a155b105b1920a0cf02", kill_on_drop: false }`
[INFO] [stdout] 998170170d9fb4093ee07458c83713d3ac08aad4559b0a155b105b1920a0cf02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91032d01d980238e08bfa2208d893ccec1efe36aafb136ab46fdb86a1adc5e26
[INFO] running `Command { std: "docker" "start" "-a" "91032d01d980238e08bfa2208d893ccec1efe36aafb136ab46fdb86a1adc5e26", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking ref_slice v1.2.0
[INFO] [stderr]     Checking subprocess v0.1.18
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]  Documenting cargo-rbot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.64s
[INFO] running `Command { std: "docker" "inspect" "91032d01d980238e08bfa2208d893ccec1efe36aafb136ab46fdb86a1adc5e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91032d01d980238e08bfa2208d893ccec1efe36aafb136ab46fdb86a1adc5e26", kill_on_drop: false }`
[INFO] [stdout] 91032d01d980238e08bfa2208d893ccec1efe36aafb136ab46fdb86a1adc5e26