[INFO] fetching crate frunk 0.3.1...
[INFO] documenting frunk-0.3.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate frunk 0.3.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate frunk 0.3.1 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 frunk 0.3.1
[INFO] finished tweaking crates.io crate frunk 0.3.1
[INFO] tweaked toml for crates.io crate frunk 0.3.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate frunk 0.3.1 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 time v0.1.40
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded serde_derive v1.0.79
[INFO] [stderr]   Downloaded syn v0.15.22
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded proc-macro2 v0.4.19
[INFO] [stderr]   Downloaded frunk_laws v0.3.0
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.79
[INFO] [stderr]   Downloaded aho-corasick v0.6.8
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded log v0.4.5
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded frunk v0.3.0
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c96764a0eb5dd3f45485b62789b517e80204bd1f9fe0dba06af896b2cda6bba3
[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" "c96764a0eb5dd3f45485b62789b517e80204bd1f9fe0dba06af896b2cda6bba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c96764a0eb5dd3f45485b62789b517e80204bd1f9fe0dba06af896b2cda6bba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96764a0eb5dd3f45485b62789b517e80204bd1f9fe0dba06af896b2cda6bba3", kill_on_drop: false }`
[INFO] [stdout] c96764a0eb5dd3f45485b62789b517e80204bd1f9fe0dba06af896b2cda6bba3
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33769e0440041522bba2b8537d4798b46a751f2b77895768b98e6c043a3cfefc
[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" "33769e0440041522bba2b8537d4798b46a751f2b77895768b98e6c043a3cfefc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling frunk_core v0.3.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.0.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling frunk_derives v0.3.1
[INFO] [stderr]    Compiling frunk_proc_macros_impl v0.0.4
[INFO] [stderr]     Checking frunk_proc_macros v0.0.4
[INFO] [stderr]  Documenting frunk v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.00s
[INFO] running `Command { std: "docker" "inspect" "33769e0440041522bba2b8537d4798b46a751f2b77895768b98e6c043a3cfefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33769e0440041522bba2b8537d4798b46a751f2b77895768b98e6c043a3cfefc", kill_on_drop: false }`
[INFO] [stdout] 33769e0440041522bba2b8537d4798b46a751f2b77895768b98e6c043a3cfefc