[INFO] cloning repository https://github.com/jafow/xprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jafow/xprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjafow%2Fxprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjafow%2Fxprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab600c2d8d4c29228528c287845de0cfca75b26b
[INFO] documenting jafow/xprs 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%2Fjafow%2Fxprs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jafow/xprs 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/jafow/xprs
[INFO] finished tweaking git repo https://github.com/jafow/xprs
[INFO] tweaked toml for git repo https://github.com/jafow/xprs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jafow/xprs 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 trackable_derive v0.1.2
[INFO] [stderr]   Downloaded libflate v0.1.23
[INFO] [stderr]   Downloaded sloggers v0.3.2
[INFO] [stderr]   Downloaded trackable v0.2.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 8002e0d8793420783c00623e5bc10b9cbcda8ab1e17ac9ee628022be5aa3e1e1
[INFO] running `Command { std: "docker" "start" "-a" "8002e0d8793420783c00623e5bc10b9cbcda8ab1e17ac9ee628022be5aa3e1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8002e0d8793420783c00623e5bc10b9cbcda8ab1e17ac9ee628022be5aa3e1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8002e0d8793420783c00623e5bc10b9cbcda8ab1e17ac9ee628022be5aa3e1e1", kill_on_drop: false }`
[INFO] [stdout] 8002e0d8793420783c00623e5bc10b9cbcda8ab1e17ac9ee628022be5aa3e1e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 028655bd32be572a87ab84be572e8e2a5d0672f042988287a8072141baf2d09a
[INFO] running `Command { std: "docker" "start" "-a" "028655bd32be572a87ab84be572e8e2a5d0672f042988287a8072141baf2d09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking libflate v0.1.23
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-scope v4.1.1
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]     Checking trackable v0.2.22
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking sloggers v0.3.2
[INFO] [stderr]  Documenting xprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.55s
[INFO] running `Command { std: "docker" "inspect" "028655bd32be572a87ab84be572e8e2a5d0672f042988287a8072141baf2d09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028655bd32be572a87ab84be572e8e2a5d0672f042988287a8072141baf2d09a", kill_on_drop: false }`
[INFO] [stdout] 028655bd32be572a87ab84be572e8e2a5d0672f042988287a8072141baf2d09a