[INFO] fetching crate flowc 0.8.8...
[INFO] documenting flowc-0.8.8 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate flowc 0.8.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate flowc 0.8.8 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 flowc 0.8.8
[INFO] finished tweaking crates.io crate flowc 0.8.8
[INFO] tweaked toml for crates.io crate flowc 0.8.8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate flowc 0.8.8 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 flowr v0.8.8
[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] 7ae0f5d23ff2035b824fa8498b027e311f0ae8e91b8544ae078a0ddd025e50e2
[INFO] running `Command { std: "docker" "start" "-a" "7ae0f5d23ff2035b824fa8498b027e311f0ae8e91b8544ae078a0ddd025e50e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ae0f5d23ff2035b824fa8498b027e311f0ae8e91b8544ae078a0ddd025e50e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae0f5d23ff2035b824fa8498b027e311f0ae8e91b8544ae078a0ddd025e50e2", kill_on_drop: false }`
[INFO] [stdout] 7ae0f5d23ff2035b824fa8498b027e311f0ae8e91b8544ae078a0ddd025e50e2
[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] 69ea2569fa0a82681db6db5c04bf92ca3a64e648d220cc523a5565daf0998e95
[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" "69ea2569fa0a82681db6db5c04bf92ca3a64e648d220cc523a5565daf0998e95", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking simpath v1.3.1
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking simplog v1.2.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking erased-serde v0.3.10
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]     Checking flowrlib v0.8.8
[INFO] [stderr]     Checking provider v0.8.8
[INFO] [stderr]     Checking flowclib v0.8.8
[INFO] [stderr]  Documenting flowc v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.30s
[INFO] running `Command { std: "docker" "inspect" "69ea2569fa0a82681db6db5c04bf92ca3a64e648d220cc523a5565daf0998e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ea2569fa0a82681db6db5c04bf92ca3a64e648d220cc523a5565daf0998e95", kill_on_drop: false }`
[INFO] [stdout] 69ea2569fa0a82681db6db5c04bf92ca3a64e648d220cc523a5565daf0998e95