[INFO] fetching crate flowc 0.8.8...
[INFO] documenting flowc-0.8.8 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate flowc 0.8.8 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate flowc 0.8.8 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 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-9/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-2020-10-09" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1c8da64f53e8f7a222be930af6205080d2bb57647d0c85edfe3448a9ec38540f
[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" "1c8da64f53e8f7a222be930af6205080d2bb57647d0c85edfe3448a9ec38540f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c8da64f53e8f7a222be930af6205080d2bb57647d0c85edfe3448a9ec38540f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8da64f53e8f7a222be930af6205080d2bb57647d0c85edfe3448a9ec38540f", kill_on_drop: false }`
[INFO] [stdout] 1c8da64f53e8f7a222be930af6205080d2bb57647d0c85edfe3448a9ec38540f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] caa17f5c42b736b185bdd894de730c273a3c7091a38eb2c842e4bb7a49ee491d
[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" "caa17f5c42b736b185bdd894de730c273a3c7091a38eb2c842e4bb7a49ee491d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking simpath v1.3.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.25
[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 erased-serde v0.3.10
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking simplog v1.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking wasmi v0.4.5
[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 58.09s
[INFO] running `Command { std: "docker" "inspect" "caa17f5c42b736b185bdd894de730c273a3c7091a38eb2c842e4bb7a49ee491d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa17f5c42b736b185bdd894de730c273a3c7091a38eb2c842e4bb7a49ee491d", kill_on_drop: false }`
[INFO] [stdout] caa17f5c42b736b185bdd894de730c273a3c7091a38eb2c842e4bb7a49ee491d
