[INFO] cloning repository https://github.com/acje/usrgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acje/usrgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facje%2Fusrgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facje%2Fusrgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17e2d9e6f425ca97ac0916c6f10e7478d6165f1a
[INFO] documenting acje/usrgen 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%2Facje%2Fusrgen" "/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/acje/usrgen 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/acje/usrgen
[INFO] finished tweaking git repo https://github.com/acje/usrgen
[INFO] tweaked toml for git repo https://github.com/acje/usrgen written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/acje/usrgen 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-normalization v0.1.9
[INFO] [stderr]   Downloaded postgres-shared v0.4.2
[INFO] [stderr]   Downloaded fallible-iterator v0.1.6
[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] [stdout] 22bd9d5ad3f31b7797456797793fc352596386306d6791c343efe65481be3bb5
[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" "22bd9d5ad3f31b7797456797793fc352596386306d6791c343efe65481be3bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22bd9d5ad3f31b7797456797793fc352596386306d6791c343efe65481be3bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22bd9d5ad3f31b7797456797793fc352596386306d6791c343efe65481be3bb5", kill_on_drop: false }`
[INFO] [stdout] 22bd9d5ad3f31b7797456797793fc352596386306d6791c343efe65481be3bb5
[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] 06a15a29466a530fdad13a935b2743a770a75764a3ab3d77d2a853d3d432ef8f
[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" "06a15a29466a530fdad13a935b2743a770a75764a3ab3d77d2a853d3d432ef8f", kill_on_drop: false }`
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]  Documenting usrgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.65s
[INFO] running `Command { std: "docker" "inspect" "06a15a29466a530fdad13a935b2743a770a75764a3ab3d77d2a853d3d432ef8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a15a29466a530fdad13a935b2743a770a75764a3ab3d77d2a853d3d432ef8f", kill_on_drop: false }`
[INFO] [stdout] 06a15a29466a530fdad13a935b2743a770a75764a3ab3d77d2a853d3d432ef8f