[INFO] fetching crate pipr 0.0.15...
[INFO] documenting pipr-0.0.15 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate pipr 0.0.15 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pipr 0.0.15 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipr 0.0.15
[INFO] finished tweaking crates.io crate pipr 0.0.15
[INFO] tweaked toml for crates.io crate pipr 0.0.15 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate pipr 0.0.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.7.1
[INFO] [stderr]   Downloaded ansi-parser v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbc761b7098757f1804ad266d69c01a6d0ac9ae15297e5cd33e87d783df7c345
[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" "dbc761b7098757f1804ad266d69c01a6d0ac9ae15297e5cd33e87d783df7c345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbc761b7098757f1804ad266d69c01a6d0ac9ae15297e5cd33e87d783df7c345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc761b7098757f1804ad266d69c01a6d0ac9ae15297e5cd33e87d783df7c345", kill_on_drop: false }`
[INFO] [stdout] dbc761b7098757f1804ad266d69c01a6d0ac9ae15297e5cd33e87d783df7c345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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-2020-10-09" "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] 819f48094eca156196855a601066a83c8f763e81c08142c2dc9b5e8f94c94cda
[INFO] running `Command { std: "docker" "start" "-a" "819f48094eca156196855a601066a83c8f763e81c08142c2dc9b5e8f94c94cda", 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]    Compiling serde v1.0.116
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling onig_sys v69.5.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking mio v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking ansi-parser v0.6.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking onig v6.1.0
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking tui v0.10.0
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking syntect v4.4.0
[INFO] [stderr]  Documenting pipr v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.51s
[INFO] running `Command { std: "docker" "inspect" "819f48094eca156196855a601066a83c8f763e81c08142c2dc9b5e8f94c94cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819f48094eca156196855a601066a83c8f763e81c08142c2dc9b5e8f94c94cda", kill_on_drop: false }`
[INFO] [stdout] 819f48094eca156196855a601066a83c8f763e81c08142c2dc9b5e8f94c94cda
