[INFO] fetching crate salsa 0.15.2...
[INFO] documenting salsa-0.15.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate salsa 0.15.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate salsa 0.15.2 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 salsa 0.15.2
[INFO] finished tweaking crates.io crate salsa 0.15.2
[INFO] tweaked toml for crates.io crate salsa 0.15.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate salsa 0.15.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 93b8c7133263ec292a185a10912a6a820df0b1300d475f5e3a24287bc8fee1c4
[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" "93b8c7133263ec292a185a10912a6a820df0b1300d475f5e3a24287bc8fee1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93b8c7133263ec292a185a10912a6a820df0b1300d475f5e3a24287bc8fee1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b8c7133263ec292a185a10912a6a820df0b1300d475f5e3a24287bc8fee1c4", kill_on_drop: false }`
[INFO] [stdout] 93b8c7133263ec292a185a10912a6a820df0b1300d475f5e3a24287bc8fee1c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d5f708ba5e0d43a75c77d11d70d9f872ff0301eef1bbcd809b77d71497ed620d
[INFO] running `Command { std: "docker" "start" "-a" "d5f708ba5e0d43a75c77d11d70d9f872ff0301eef1bbcd809b77d71497ed620d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling salsa-macros v0.15.0
[INFO] [stderr]  Documenting salsa v0.15.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.22s
[INFO] running `Command { std: "docker" "inspect" "d5f708ba5e0d43a75c77d11d70d9f872ff0301eef1bbcd809b77d71497ed620d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f708ba5e0d43a75c77d11d70d9f872ff0301eef1bbcd809b77d71497ed620d", kill_on_drop: false }`
[INFO] [stdout] d5f708ba5e0d43a75c77d11d70d9f872ff0301eef1bbcd809b77d71497ed620d