[INFO] cloning repository https://github.com/vijaykiran/dt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vijaykiran/dt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvijaykiran%2Fdt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvijaykiran%2Fdt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a81cf992eb74c14a06b7a8be0139041f94ce15bf
[INFO] documenting vijaykiran/dt 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%2Fvijaykiran%2Fdt" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vijaykiran/dt 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/vijaykiran/dt
[INFO] finished tweaking git repo https://github.com/vijaykiran/dt
[INFO] tweaked toml for git repo https://github.com/vijaykiran/dt written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/vijaykiran/dt 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8196b06eaf014741800d93e0c8e094a6c56a10b57df2a9e26ebb3420cbe4d337
[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" "8196b06eaf014741800d93e0c8e094a6c56a10b57df2a9e26ebb3420cbe4d337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8196b06eaf014741800d93e0c8e094a6c56a10b57df2a9e26ebb3420cbe4d337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8196b06eaf014741800d93e0c8e094a6c56a10b57df2a9e26ebb3420cbe4d337", kill_on_drop: false }`
[INFO] [stdout] 8196b06eaf014741800d93e0c8e094a6c56a10b57df2a9e26ebb3420cbe4d337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 12aff01e7b0aaf7f35de97b9454b62ae6ac98bde707fb324a81d1fd256b9d0c9
[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" "12aff01e7b0aaf7f35de97b9454b62ae6ac98bde707fb324a81d1fd256b9d0c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking unic-ucd-segment v0.7.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]  Documenting dt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.25s
[INFO] running `Command { std: "docker" "inspect" "12aff01e7b0aaf7f35de97b9454b62ae6ac98bde707fb324a81d1fd256b9d0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12aff01e7b0aaf7f35de97b9454b62ae6ac98bde707fb324a81d1fd256b9d0c9", kill_on_drop: false }`
[INFO] [stdout] 12aff01e7b0aaf7f35de97b9454b62ae6ac98bde707fb324a81d1fd256b9d0c9