[INFO] cloning repository https://github.com/ccakes/trk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ccakes/trk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccakes%2Ftrk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccakes%2Ftrk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 548cb2ccd5fdb9c9af62526a5fce54d17193fc9c
[INFO] documenting ccakes/trk 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%2Fccakes%2Ftrk" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ccakes/trk 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/ccakes/trk
[INFO] finished tweaking git repo https://github.com/ccakes/trk
[INFO] tweaked toml for git repo https://github.com/ccakes/trk written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ccakes/trk 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded structopt-derive v0.2.12
[INFO] [stderr]   Downloaded structopt v0.2.12
[INFO] [stderr]   Downloaded libsqlite3-sys v0.10.0
[INFO] [stderr]   Downloaded quote v0.6.9
[INFO] [stderr]   Downloaded csv-core v0.1.4
[INFO] [stderr]   Downloaded serde v1.0.82
[INFO] [stderr]   Downloaded rusqlite v0.15.0
[INFO] [stderr]   Downloaded syn v0.15.17
[INFO] [stderr]   Downloaded drawille v0.2.3
[INFO] [stderr]   Downloaded fern v0.5.7
[INFO] [stderr]   Downloaded csv v1.0.2
[INFO] [stderr]   Downloaded read_input v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 8e7c8848430e41f90674a5e3f141c7163b42e09ca033548294af8721d9eacd7f
[INFO] running `Command { std: "docker" "start" "-a" "8e7c8848430e41f90674a5e3f141c7163b42e09ca033548294af8721d9eacd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e7c8848430e41f90674a5e3f141c7163b42e09ca033548294af8721d9eacd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7c8848430e41f90674a5e3f141c7163b42e09ca033548294af8721d9eacd7f", kill_on_drop: false }`
[INFO] [stdout] 8e7c8848430e41f90674a5e3f141c7163b42e09ca033548294af8721d9eacd7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0de36e913338fb43118457f27df1b12b362afb4f5af7bb23c0287de3526a2d20
[INFO] running `Command { std: "docker" "start" "-a" "0de36e913338fb43118457f27df1b12b362afb4f5af7bb23c0287de3526a2d20", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking encode_unicode v0.3.5
[INFO] [stderr]     Checking drawille v0.2.3
[INFO] [stderr]     Checking read_input v0.5.2
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.10.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking fern v0.5.7
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]    Compiling syn v0.15.17
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking rusqlite v0.15.0
[INFO] [stderr]    Compiling structopt-derive v0.2.12
[INFO] [stderr]     Checking structopt v0.2.12
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]  Documenting trk v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.43s
[INFO] running `Command { std: "docker" "inspect" "0de36e913338fb43118457f27df1b12b362afb4f5af7bb23c0287de3526a2d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de36e913338fb43118457f27df1b12b362afb4f5af7bb23c0287de3526a2d20", kill_on_drop: false }`
[INFO] [stdout] 0de36e913338fb43118457f27df1b12b362afb4f5af7bb23c0287de3526a2d20