[INFO] fetching crate du-dust 0.5.2...
[INFO] documenting du-dust-0.5.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate du-dust 0.5.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate du-dust 0.5.2 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 du-dust 0.5.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate du-dust 0.5.2
[INFO] tweaked toml for crates.io crate du-dust 0.5.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate du-dust 0.5.2 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 605493d213aec1c8636be965a331536b35ded14dc317fc8a5c87838b6c0de40b
[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" "605493d213aec1c8636be965a331536b35ded14dc317fc8a5c87838b6c0de40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "605493d213aec1c8636be965a331536b35ded14dc317fc8a5c87838b6c0de40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605493d213aec1c8636be965a331536b35ded14dc317fc8a5c87838b6c0de40b", kill_on_drop: false }`
[INFO] [stdout] 605493d213aec1c8636be965a331536b35ded14dc317fc8a5c87838b6c0de40b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0949f32388131fe9f7e6e8ce345d21c055b35fde9cddecbbb6fb60ae0d8a3f10
[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" "0949f32388131fe9f7e6e8ce345d21c055b35fde9cddecbbb6fb60ae0d8a3f10", kill_on_drop: false }`
[INFO] [stderr]     Checking lscolors v0.6.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking terminal_size v0.1.10
[INFO] [stderr]     Checking ignore v0.4.12
[INFO] [stderr]  Documenting du-dust v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "0949f32388131fe9f7e6e8ce345d21c055b35fde9cddecbbb6fb60ae0d8a3f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0949f32388131fe9f7e6e8ce345d21c055b35fde9cddecbbb6fb60ae0d8a3f10", kill_on_drop: false }`
[INFO] [stdout] 0949f32388131fe9f7e6e8ce345d21c055b35fde9cddecbbb6fb60ae0d8a3f10