[INFO] fetching crate functiontrace-server 0.2.2...
[INFO] documenting functiontrace-server-0.2.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate functiontrace-server 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate functiontrace-server 0.2.2 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 functiontrace-server 0.2.2
[INFO] finished tweaking crates.io crate functiontrace-server 0.2.2
[INFO] tweaked toml for crates.io crate functiontrace-server 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate functiontrace-server 0.2.2 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 rmp-serde v0.14.4
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded argh v0.1.3
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded mio v0.7.0
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded rmp v0.8.9
[INFO] [stderr]   Downloaded paste v1.0.0
[INFO] [stderr]   Downloaded ntapi v0.3.4
[INFO] [stderr]   Downloaded indexmap v1.5.1
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[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-2020-08-29" "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] 5d8e19b4e90ddf53a950e51785f97d5735d0fd0d428029d503719fa9efdb8bbd
[INFO] running `Command { std: "docker" "start" "-a" "5d8e19b4e90ddf53a950e51785f97d5735d0fd0d428029d503719fa9efdb8bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d8e19b4e90ddf53a950e51785f97d5735d0fd0d428029d503719fa9efdb8bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8e19b4e90ddf53a950e51785f97d5735d0fd0d428029d503719fa9efdb8bbd", kill_on_drop: false }`
[INFO] [stdout] 5d8e19b4e90ddf53a950e51785f97d5735d0fd0d428029d503719fa9efdb8bbd
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41215800e0454cdc667a57f3124c6ecc3c309a48cd9f2fba774b17e02bf48beb
[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" "41215800e0454cdc667a57f3124c6ecc3c309a48cd9f2fba774b17e02bf48beb", kill_on_drop: false }`
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling paste v1.0.0
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]  Documenting functiontrace-server v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "41215800e0454cdc667a57f3124c6ecc3c309a48cd9f2fba774b17e02bf48beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41215800e0454cdc667a57f3124c6ecc3c309a48cd9f2fba774b17e02bf48beb", kill_on_drop: false }`
[INFO] [stdout] 41215800e0454cdc667a57f3124c6ecc3c309a48cd9f2fba774b17e02bf48beb