[INFO] fetching crate exar-db 0.1.0...
[INFO] documenting exar-db-0.1.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate exar-db 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate exar-db 0.1.0 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 exar-db 0.1.0
[INFO] removed path dependency exar from crates.io crate exar-db 0.1.0
[INFO] removed path dependency exar-server from crates.io crate exar-db 0.1.0
[INFO] finished tweaking crates.io crate exar-db 0.1.0
[INFO] tweaked toml for crates.io crate exar-db 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] 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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9b5638946b49506db304396c4111f9aeeda4a4c7c3d0f5cb2579cb6669687ff
[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" "c9b5638946b49506db304396c4111f9aeeda4a4c7c3d0f5cb2579cb6669687ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b5638946b49506db304396c4111f9aeeda4a4c7c3d0f5cb2579cb6669687ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b5638946b49506db304396c4111f9aeeda4a4c7c3d0f5cb2579cb6669687ff", kill_on_drop: false }`
[INFO] [stdout] c9b5638946b49506db304396c4111f9aeeda4a4c7c3d0f5cb2579cb6669687ff
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a2829c2dfd8e8e3acc2c6f896930d30e5cb91b56374e49d46cbed17fd212b08
[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" "2a2829c2dfd8e8e3acc2c6f896930d30e5cb91b56374e49d46cbed17fd212b08", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking indexed-line-reader v0.2.1
[INFO] [stderr]     Checking humantime v0.1.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking exar v0.1.0
[INFO] [stderr]     Checking ordered-float v0.1.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking exar-net v0.1.0
[INFO] [stderr]     Checking exar-server v0.1.0
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]     Checking serde-value v0.2.1
[INFO] [stderr]     Checking toml-config v0.4.0
[INFO] [stderr]     Checking log4rs v0.4.8
[INFO] [stderr]  Documenting exar-db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `Command { std: "docker" "inspect" "2a2829c2dfd8e8e3acc2c6f896930d30e5cb91b56374e49d46cbed17fd212b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2829c2dfd8e8e3acc2c6f896930d30e5cb91b56374e49d46cbed17fd212b08", kill_on_drop: false }`
[INFO] [stdout] 2a2829c2dfd8e8e3acc2c6f896930d30e5cb91b56374e49d46cbed17fd212b08
