[INFO] cloning repository https://github.com/justin1dennison/showz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justin1dennison/showz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin1dennison%2Fshowz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin1dennison%2Fshowz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4c55049c0f28d7c36c7dfe7189beeec9cfac654
[INFO] documenting justin1dennison/showz 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%2Fjustin1dennison%2Fshowz" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justin1dennison/showz 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/justin1dennison/showz
[INFO] finished tweaking git repo https://github.com/justin1dennison/showz
[INFO] tweaked toml for git repo https://github.com/justin1dennison/showz written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/justin1dennison/showz 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 askama_derive v0.9.0
[INFO] [stderr]   Downloaded askama_escape v0.3.0
[INFO] [stderr]   Downloaded askama_shared v0.9.1
[INFO] [stderr]   Downloaded askama v0.9.0
[INFO] [stderr]   Downloaded sql-builder v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e183f3e8d7375af80bcf924859cb0388d496d0ed70d95b4d3f9591152d8a1b5b
[INFO] running `Command { std: "docker" "start" "-a" "e183f3e8d7375af80bcf924859cb0388d496d0ed70d95b4d3f9591152d8a1b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e183f3e8d7375af80bcf924859cb0388d496d0ed70d95b4d3f9591152d8a1b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e183f3e8d7375af80bcf924859cb0388d496d0ed70d95b4d3f9591152d8a1b5b", kill_on_drop: false }`
[INFO] [stdout] e183f3e8d7375af80bcf924859cb0388d496d0ed70d95b4d3f9591152d8a1b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0242c93c11581af5579b1b9639788be16ecbfb39f41196bf2450a65d2c2d13bd
[INFO] running `Command { std: "docker" "start" "-a" "0242c93c11581af5579b1b9639788be16ecbfb39f41196bf2450a65d2c2d13bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling askama_escape v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking sql-builder v0.12.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking anyhow v1.0.28
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rusqlite v0.23.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking askama_shared v0.9.1
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]    Compiling askama_derive v0.9.0
[INFO] [stderr]     Checking askama v0.9.0
[INFO] [stderr]  Documenting showz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "0242c93c11581af5579b1b9639788be16ecbfb39f41196bf2450a65d2c2d13bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0242c93c11581af5579b1b9639788be16ecbfb39f41196bf2450a65d2c2d13bd", kill_on_drop: false }`
[INFO] [stdout] 0242c93c11581af5579b1b9639788be16ecbfb39f41196bf2450a65d2c2d13bd