[INFO] fetching crate dmenv 0.20.0...
[INFO] documenting dmenv-0.20.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate dmenv 0.20.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dmenv 0.20.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dmenv 0.20.0
[INFO] finished tweaking crates.io crate dmenv 0.20.0
[INFO] tweaked toml for crates.io crate dmenv 0.20.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dmenv 0.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf79ec7cd0ee8f3d0426827820be4d8e5cc5d7ad36cc6d532115563e84dae2d9
[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" "cf79ec7cd0ee8f3d0426827820be4d8e5cc5d7ad36cc6d532115563e84dae2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf79ec7cd0ee8f3d0426827820be4d8e5cc5d7ad36cc6d532115563e84dae2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf79ec7cd0ee8f3d0426827820be4d8e5cc5d7ad36cc6d532115563e84dae2d9", kill_on_drop: false }`
[INFO] [stdout] cf79ec7cd0ee8f3d0426827820be4d8e5cc5d7ad36cc6d532115563e84dae2d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed5c356a1e4678986077dba3c630ff3dc5ce4f5e04fb2a7be773929a8e291dac
[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" "ed5c356a1e4678986077dba3c630ff3dc5ce4f5e04fb2a7be773929a8e291dac", 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 cc v1.0.46
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]  Documenting dmenv v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.65s
[INFO] running `Command { std: "docker" "inspect" "ed5c356a1e4678986077dba3c630ff3dc5ce4f5e04fb2a7be773929a8e291dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5c356a1e4678986077dba3c630ff3dc5ce4f5e04fb2a7be773929a8e291dac", kill_on_drop: false }`
[INFO] [stdout] ed5c356a1e4678986077dba3c630ff3dc5ce4f5e04fb2a7be773929a8e291dac