[INFO] fetching crate salsa 0.16.0...
[INFO] documenting salsa-0.16.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate salsa 0.16.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate salsa 0.16.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate salsa 0.16.0
[INFO] finished tweaking crates.io crate salsa 0.16.0
[INFO] tweaked toml for crates.io crate salsa 0.16.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate salsa 0.16.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7820a8010b7f1aa1c7591a028e744d75cc862e8e568ec22c49c3f867cf75bd08
[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" "7820a8010b7f1aa1c7591a028e744d75cc862e8e568ec22c49c3f867cf75bd08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7820a8010b7f1aa1c7591a028e744d75cc862e8e568ec22c49c3f867cf75bd08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7820a8010b7f1aa1c7591a028e744d75cc862e8e568ec22c49c3f867cf75bd08", kill_on_drop: false }`
[INFO] [stdout] 7820a8010b7f1aa1c7591a028e744d75cc862e8e568ec22c49c3f867cf75bd08
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 034b8ead79c69bd24cb2f76ddbf072909aae16dfc1c60020ab18a215957dad30
[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" "034b8ead79c69bd24cb2f76ddbf072909aae16dfc1c60020ab18a215957dad30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking instant v0.1.5
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]     Checking lock_api v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling salsa-macros v0.16.0
[INFO] [stderr]  Documenting salsa v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.48s
[INFO] running `Command { std: "docker" "inspect" "034b8ead79c69bd24cb2f76ddbf072909aae16dfc1c60020ab18a215957dad30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034b8ead79c69bd24cb2f76ddbf072909aae16dfc1c60020ab18a215957dad30", kill_on_drop: false }`
[INFO] [stdout] 034b8ead79c69bd24cb2f76ddbf072909aae16dfc1c60020ab18a215957dad30
