[INFO] cloning repository https://github.com/wgoodall01/tagmu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wgoodall01/tagmu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgoodall01%2Ftagmu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgoodall01%2Ftagmu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fb02dfb1a14d558c11179b7e19def5dea55d463
[INFO] documenting wgoodall01/tagmu 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%2Fwgoodall01%2Ftagmu" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wgoodall01/tagmu 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/wgoodall01/tagmu
[INFO] finished tweaking git repo https://github.com/wgoodall01/tagmu
[INFO] tweaked toml for git repo https://github.com/wgoodall01/tagmu written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wgoodall01/tagmu 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]     Updating git repository `https://github.com/wgoodall01/rust-plist`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sled v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4811485f2a58f097ee2c4866eefb815c805d05fb3804c2be476ac8ca93de91b8
[INFO] running `Command { std: "docker" "start" "-a" "4811485f2a58f097ee2c4866eefb815c805d05fb3804c2be476ac8ca93de91b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4811485f2a58f097ee2c4866eefb815c805d05fb3804c2be476ac8ca93de91b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4811485f2a58f097ee2c4866eefb815c805d05fb3804c2be476ac8ca93de91b8", kill_on_drop: false }`
[INFO] [stdout] 4811485f2a58f097ee2c4866eefb815c805d05fb3804c2be476ac8ca93de91b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ef32bb94099b1a467987f1cd7a913b6487bf2eeeb5302864618c10f9e22e5a93
[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" "ef32bb94099b1a467987f1cd7a913b6487bf2eeeb5302864618c10f9e22e5a93", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking sled v0.31.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling snafu-derive v0.6.2
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking snafu v0.6.2
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#e4a7f501)
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#e4a7f501)
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking plist v0.5.2 (https://github.com/wgoodall01/rust-plist#68b824e7)
[INFO] [stderr]  Documenting tagmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.90s
[INFO] running `Command { std: "docker" "inspect" "ef32bb94099b1a467987f1cd7a913b6487bf2eeeb5302864618c10f9e22e5a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef32bb94099b1a467987f1cd7a913b6487bf2eeeb5302864618c10f9e22e5a93", kill_on_drop: false }`
[INFO] [stdout] ef32bb94099b1a467987f1cd7a913b6487bf2eeeb5302864618c10f9e22e5a93