[INFO] fetching crate lever 0.1.1-alpha.11...
[INFO] documenting lever-0.1.1-alpha.11 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate lever 0.1.1-alpha.11 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lever 0.1.1-alpha.11 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 lever 0.1.1-alpha.11
[INFO] finished tweaking crates.io crate lever 0.1.1-alpha.11
[INFO] tweaked toml for crates.io crate lever 0.1.1-alpha.11 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate lever 0.1.1-alpha.11 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82de7fc957e1920de70824a0c0abadb55ea0ee9452bc6d52866c8fc92652de87
[INFO] running `Command { std: "docker" "start" "-a" "82de7fc957e1920de70824a0c0abadb55ea0ee9452bc6d52866c8fc92652de87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82de7fc957e1920de70824a0c0abadb55ea0ee9452bc6d52866c8fc92652de87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82de7fc957e1920de70824a0c0abadb55ea0ee9452bc6d52866c8fc92652de87", kill_on_drop: false }`
[INFO] [stdout] 82de7fc957e1920de70824a0c0abadb55ea0ee9452bc6d52866c8fc92652de87
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 00fc151d4bcc0b9814d453c3d1d143162a553a1ed08d059c1a940c1b3220bb16
[INFO] running `Command { std: "docker" "start" "-a" "00fc151d4bcc0b9814d453c3d1d143162a553a1ed08d059c1a940c1b3220bb16", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]  Documenting lever v0.1.1-alpha.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.47s
[INFO] running `Command { std: "docker" "inspect" "00fc151d4bcc0b9814d453c3d1d143162a553a1ed08d059c1a940c1b3220bb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00fc151d4bcc0b9814d453c3d1d143162a553a1ed08d059c1a940c1b3220bb16", kill_on_drop: false }`
[INFO] [stdout] 00fc151d4bcc0b9814d453c3d1d143162a553a1ed08d059c1a940c1b3220bb16