[INFO] cloning repository https://github.com/s-knibbs/pyvalico
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s-knibbs/pyvalico" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-knibbs%2Fpyvalico", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-knibbs%2Fpyvalico'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34045b620c4c6ddcd15610323aed7b8037a778fb
[INFO] documenting s-knibbs/pyvalico against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-knibbs%2Fpyvalico" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/s-knibbs/pyvalico 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 git repo https://github.com/s-knibbs/pyvalico
[INFO] finished tweaking git repo https://github.com/s-knibbs/pyvalico
[INFO] tweaked toml for git repo https://github.com/s-knibbs/pyvalico written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/s-knibbs/pyvalico 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 cpython-json 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] 78c86f1bfdc32ddc9d7f1e20c9b8fd92b71cc3edf02c62e7d75823e38324abae
[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" "78c86f1bfdc32ddc9d7f1e20c9b8fd92b71cc3edf02c62e7d75823e38324abae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78c86f1bfdc32ddc9d7f1e20c9b8fd92b71cc3edf02c62e7d75823e38324abae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c86f1bfdc32ddc9d7f1e20c9b8fd92b71cc3edf02c62e7d75823e38324abae", kill_on_drop: false }`
[INFO] [stdout] 78c86f1bfdc32ddc9d7f1e20c9b8fd92b71cc3edf02c62e7d75823e38324abae
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a375b0ca2e4dae24f46ef94e373fe36fe88c5cd4acca6cff6e5fb2b5c4ec9da
[INFO] running `Command { std: "docker" "start" "-a" "4a375b0ca2e4dae24f46ef94e373fe36fe88c5cd4acca6cff6e5fb2b5c4ec9da", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling serde v1.0.77
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling cpython v0.2.1
[INFO] [stderr]     Checking traitobject v0.0.3
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling valico v2.1.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling python3-sys v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.27
[INFO] [stderr]     Checking jsonway v2.0.0
[INFO] [stderr]     Checking cpython-json v0.3.0
[INFO] [stderr]  Documenting pyvalico v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.67s
[INFO] running `Command { std: "docker" "inspect" "4a375b0ca2e4dae24f46ef94e373fe36fe88c5cd4acca6cff6e5fb2b5c4ec9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a375b0ca2e4dae24f46ef94e373fe36fe88c5cd4acca6cff6e5fb2b5c4ec9da", kill_on_drop: false }`
[INFO] [stdout] 4a375b0ca2e4dae24f46ef94e373fe36fe88c5cd4acca6cff6e5fb2b5c4ec9da