[INFO] cloning repository https://github.com/tetigi/watson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetigi/watson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetigi%2Fwatson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetigi%2Fwatson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 919ef47de6223819c58d6c3be0139386d5dfbdc9
[INFO] documenting tetigi/watson against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetigi%2Fwatson" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetigi/watson on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tetigi/watson
[INFO] finished tweaking git repo https://github.com/tetigi/watson
[INFO] tweaked toml for git repo https://github.com/tetigi/watson written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tetigi/watson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16ce8604fa58891116229c2f60df832938d28d4e12b30c68a126ffb5ac3237cd
[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" "16ce8604fa58891116229c2f60df832938d28d4e12b30c68a126ffb5ac3237cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16ce8604fa58891116229c2f60df832938d28d4e12b30c68a126ffb5ac3237cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ce8604fa58891116229c2f60df832938d28d4e12b30c68a126ffb5ac3237cd", kill_on_drop: false }`
[INFO] [stdout] 16ce8604fa58891116229c2f60df832938d28d4e12b30c68a126ffb5ac3237cd
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 863e840364bc198881f96fed4b35fb10889c146cb250bbe2b930b312ae60800a
[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" "863e840364bc198881f96fed4b35fb10889c146cb250bbe2b930b312ae60800a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking webpki-roots v0.15.0
[INFO] [stderr]     Checking rustls v0.13.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking hyper-rustls v0.6.2
[INFO] [stderr]     Checking yup-oauth2 v1.0.11
[INFO] [stderr]     Checking google-calendar3 v1.0.10+20190702
[INFO] [stderr]  Documenting watson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.14s
[INFO] running `Command { std: "docker" "inspect" "863e840364bc198881f96fed4b35fb10889c146cb250bbe2b930b312ae60800a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863e840364bc198881f96fed4b35fb10889c146cb250bbe2b930b312ae60800a", kill_on_drop: false }`
[INFO] [stdout] 863e840364bc198881f96fed4b35fb10889c146cb250bbe2b930b312ae60800a